./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-uli526x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc87de9-430b-4e49-ac5a-544de46af15d/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc87de9-430b-4e49-ac5a-544de46af15d/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc87de9-430b-4e49-ac5a-544de46af15d/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc87de9-430b-4e49-ac5a-544de46af15d/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc87de9-430b-4e49-ac5a-544de46af15d/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc87de9-430b-4e49-ac5a-544de46af15d/bin/uautomizer-uyxdKDjOR8 --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 b230ba173626e1a1717879ee489b2ae4510c44810563ac66116e22604ac558a2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 21:55:02,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:55:02,126 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:55:02,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:55:02,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:55:02,145 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:55:02,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:55:02,148 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:55:02,150 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:55:02,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:55:02,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:55:02,152 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:55:02,153 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:55:02,154 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:55:02,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:55:02,156 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:55:02,156 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:55:02,157 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:55:02,159 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:55:02,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:55:02,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:55:02,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:55:02,164 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:55:02,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:55:02,168 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:55:02,168 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:55:02,168 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:55:02,169 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:55:02,170 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:55:02,170 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:55:02,171 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:55:02,171 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:55:02,172 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:55:02,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:55:02,173 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:55:02,174 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:55:02,174 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:55:02,174 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:55:02,175 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:55:02,175 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:55:02,176 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:55:02,177 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc87de9-430b-4e49-ac5a-544de46af15d/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 21:55:02,196 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:55:02,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:55:02,196 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:55:02,196 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:55:02,197 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:55:02,197 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:55:02,198 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:55:02,198 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:55:02,198 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:55:02,198 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:55:02,199 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 21:55:02,199 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:55:02,199 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 21:55:02,199 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:55:02,199 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 21:55:02,199 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:55:02,200 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:55:02,200 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 21:55:02,200 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:55:02,200 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:55:02,200 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:55:02,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:55:02,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:55:02,201 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:55:02,201 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 21:55:02,201 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 21:55:02,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 21:55:02,201 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:55:02,202 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 21:55:02,202 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:55:02,202 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:55:02,202 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:55:02,202 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_6cc87de9-430b-4e49-ac5a-544de46af15d/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc87de9-430b-4e49-ac5a-544de46af15d/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b230ba173626e1a1717879ee489b2ae4510c44810563ac66116e22604ac558a2 [2022-12-13 21:55:02,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:55:02,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:55:02,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:55:02,414 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:55:02,414 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:55:02,415 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc87de9-430b-4e49-ac5a-544de46af15d/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2022-12-13 21:55:04,963 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:55:05,323 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:55:05,324 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc87de9-430b-4e49-ac5a-544de46af15d/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2022-12-13 21:55:05,345 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc87de9-430b-4e49-ac5a-544de46af15d/bin/uautomizer-uyxdKDjOR8/data/ec1e4395e/55210a92f2af493c85192e15106aeb74/FLAG883cd4992 [2022-12-13 21:55:05,356 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc87de9-430b-4e49-ac5a-544de46af15d/bin/uautomizer-uyxdKDjOR8/data/ec1e4395e/55210a92f2af493c85192e15106aeb74 [2022-12-13 21:55:05,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:55:05,358 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:55:05,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:55:05,359 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:55:05,363 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:55:05,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:55:05" (1/1) ... [2022-12-13 21:55:05,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e65c745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:55:05, skipping insertion in model container [2022-12-13 21:55:05,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:55:05" (1/1) ... [2022-12-13 21:55:05,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:55:05,486 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:55:06,091 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 21:55:06,196 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 21:55:06,202 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 21:55:06,202 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 21:55:06,209 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 21:55:06,232 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-13 21:55:06,237 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 21:55:06,239 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-13 21:55:06,263 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 21:55:06,304 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-13 21:55:06,305 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-13 21:55:06,313 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 21:55:06,313 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:06,383 WARN L623 FunctionHandler]: Unknown extern function __pci_enable_wake [2022-12-13 21:55:06,415 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-13 21:55:06,430 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 21:55:06,517 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,517 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 21:55:06,517 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,518 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 21:55:06,518 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,518 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 21:55:06,522 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:06,523 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:06,524 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:06,524 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 21:55:06,525 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:06,526 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:06,526 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-13 21:55:06,528 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:06,530 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-13 21:55:06,531 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 21:55:06,532 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,532 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,532 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,533 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,533 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,533 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,533 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,534 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 21:55:06,534 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,534 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,535 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 21:55:06,535 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 21:55:06,536 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-13 21:55:06,536 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-13 21:55:06,537 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 21:55:06,537 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 21:55:06,541 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-13 21:55:06,542 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 21:55:06,542 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 21:55:06,543 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:06,544 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 21:55:06,544 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-13 21:55:06,545 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-13 21:55:06,546 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:06,546 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,546 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 21:55:06,547 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,547 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 21:55:06,548 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:06,549 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 21:55:06,549 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 21:55:06,550 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,551 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,552 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:06,552 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 21:55:06,553 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 21:55:06,553 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 21:55:06,554 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,555 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,555 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,555 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 21:55:06,556 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,556 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 21:55:06,557 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,558 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 21:55:06,558 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,558 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,559 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:06,560 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,566 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:06,568 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 21:55:06,568 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 21:55:06,569 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 21:55:06,569 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-13 21:55:06,569 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 21:55:06,570 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:06,571 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:06,571 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:06,572 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:06,573 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:06,582 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 21:55:06,582 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 21:55:06,583 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 21:55:06,595 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 21:55:06,595 WARN L623 FunctionHandler]: Unknown extern function dev_trans_start [2022-12-13 21:55:06,596 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,596 WARN L623 FunctionHandler]: Unknown extern function dev_trans_start [2022-12-13 21:55:06,597 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 21:55:06,597 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:06,598 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-13 21:55:06,599 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:06,599 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 21:55:06,600 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 21:55:06,601 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:06,602 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 21:55:06,603 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 21:55:06,603 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 21:55:06,604 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 21:55:06,604 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-13 21:55:06,608 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,608 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 21:55:06,609 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,609 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:06,613 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:06,614 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-13 21:55:06,614 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-13 21:55:06,614 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-12-13 21:55:06,615 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-13 21:55:06,615 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-13 21:55:06,618 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:06,619 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-13 21:55:06,619 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-13 21:55:06,620 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 21:55:06,620 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-13 21:55:06,620 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:06,621 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 21:55:06,622 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:06,623 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:06,624 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,625 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,627 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,627 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 21:55:06,628 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:06,631 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,632 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 21:55:06,634 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,634 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,635 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,635 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,635 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 21:55:06,636 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 21:55:06,636 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,636 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 21:55:06,637 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,640 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:06,643 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 21:55:06,649 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,649 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 21:55:06,650 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 21:55:06,650 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,651 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 21:55:06,660 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,660 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 21:55:06,660 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,661 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 21:55:06,661 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,661 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 21:55:06,662 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,662 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 21:55:06,662 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 21:55:06,662 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:06,662 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 21:55:06,667 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:06,667 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:06,671 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:06,856 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-12-13 21:55:06,857 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 21:55:06,857 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 21:55:06,860 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 21:55:06,862 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 21:55:06,863 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 21:55:06,868 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 21:55:06,869 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-13 21:55:06,874 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 21:55:06,874 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 21:55:06,875 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-13 21:55:06,876 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 21:55:06,876 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 21:55:06,876 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 21:55:06,877 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 21:55:06,877 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 21:55:06,878 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 21:55:06,878 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 21:55:06,878 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 21:55:06,879 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 21:55:06,879 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 21:55:06,879 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-13 21:55:06,880 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 21:55:06,915 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-13 21:55:06,915 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 21:55:06,921 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 21:55:07,298 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_6cc87de9-430b-4e49-ac5a-544de46af15d/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309274,309287] [2022-12-13 21:55:07,301 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_6cc87de9-430b-4e49-ac5a-544de46af15d/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309443,309456] [2022-12-13 21:55:07,302 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_6cc87de9-430b-4e49-ac5a-544de46af15d/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309610,309623] [2022-12-13 21:55:07,302 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_6cc87de9-430b-4e49-ac5a-544de46af15d/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309778,309791] [2022-12-13 21:55:07,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:55:07,338 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:55:07,406 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 21:55:07,411 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 21:55:07,411 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 21:55:07,412 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 21:55:07,413 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 21:55:07,415 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-13 21:55:07,415 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 21:55:07,416 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-13 21:55:07,417 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-13 21:55:07,418 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-13 21:55:07,419 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-13 21:55:07,419 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 21:55:07,420 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:07,421 WARN L623 FunctionHandler]: Unknown extern function __pci_enable_wake [2022-12-13 21:55:07,422 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-13 21:55:07,423 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 21:55:07,425 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,425 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 21:55:07,425 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,425 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 21:55:07,425 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,426 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 21:55:07,427 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:07,427 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:07,428 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:07,428 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 21:55:07,429 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:07,429 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:07,430 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-13 21:55:07,430 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:07,440 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-13 21:55:07,440 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 21:55:07,441 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,441 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,441 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,441 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,441 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,442 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,442 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,442 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 21:55:07,442 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,443 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,443 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 21:55:07,443 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 21:55:07,443 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-13 21:55:07,444 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-13 21:55:07,444 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 21:55:07,444 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 21:55:07,445 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-13 21:55:07,445 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 21:55:07,445 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 21:55:07,446 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:07,446 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 21:55:07,447 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-13 21:55:07,447 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-13 21:55:07,448 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:07,448 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,448 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 21:55:07,448 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,448 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 21:55:07,451 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:07,455 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 21:55:07,455 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 21:55:07,458 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,458 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,459 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:07,460 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 21:55:07,460 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 21:55:07,460 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 21:55:07,460 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,461 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,461 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,461 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 21:55:07,462 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,462 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 21:55:07,464 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,465 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 21:55:07,465 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,465 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,466 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:07,466 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,469 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:07,470 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 21:55:07,471 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 21:55:07,471 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 21:55:07,471 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-13 21:55:07,471 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-13 21:55:07,471 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:07,472 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:07,473 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:07,473 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:07,474 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:07,475 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 21:55:07,475 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 21:55:07,476 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 21:55:07,477 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 21:55:07,477 WARN L623 FunctionHandler]: Unknown extern function dev_trans_start [2022-12-13 21:55:07,478 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,478 WARN L623 FunctionHandler]: Unknown extern function dev_trans_start [2022-12-13 21:55:07,478 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 21:55:07,478 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:07,479 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-13 21:55:07,481 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:07,481 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 21:55:07,482 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 21:55:07,484 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:07,485 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 21:55:07,485 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 21:55:07,486 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 21:55:07,486 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 21:55:07,486 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-13 21:55:07,487 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,487 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 21:55:07,487 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,487 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:07,488 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:07,488 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-13 21:55:07,489 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-13 21:55:07,489 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-12-13 21:55:07,489 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-13 21:55:07,489 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-13 21:55:07,490 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:07,490 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-13 21:55:07,490 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-13 21:55:07,490 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-13 21:55:07,490 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-13 21:55:07,491 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:07,491 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 21:55:07,492 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:07,493 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:07,493 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,493 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,495 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,495 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 21:55:07,496 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:07,498 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,498 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 21:55:07,499 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,499 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,500 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,500 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,500 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 21:55:07,500 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 21:55:07,500 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,501 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 21:55:07,501 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,522 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:07,529 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 21:55:07,536 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,536 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 21:55:07,536 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 21:55:07,537 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,537 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 21:55:07,537 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,537 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 21:55:07,538 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,538 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 21:55:07,538 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,538 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 21:55:07,538 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,538 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 21:55:07,538 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 21:55:07,539 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 21:55:07,539 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 21:55:07,540 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:07,540 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:07,541 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 21:55:07,544 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-12-13 21:55:07,545 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-13 21:55:07,545 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 21:55:07,546 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 21:55:07,548 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 21:55:07,548 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 21:55:07,552 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 21:55:07,553 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-13 21:55:07,556 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 21:55:07,557 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 21:55:07,559 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-13 21:55:07,559 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 21:55:07,560 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 21:55:07,560 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 21:55:07,560 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 21:55:07,561 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 21:55:07,561 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 21:55:07,561 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 21:55:07,561 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 21:55:07,562 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 21:55:07,562 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-13 21:55:07,562 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-13 21:55:07,562 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 21:55:07,564 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-13 21:55:07,564 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 21:55:07,565 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 21:55:07,578 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_6cc87de9-430b-4e49-ac5a-544de46af15d/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309274,309287] [2022-12-13 21:55:07,579 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_6cc87de9-430b-4e49-ac5a-544de46af15d/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309443,309456] [2022-12-13 21:55:07,579 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_6cc87de9-430b-4e49-ac5a-544de46af15d/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309610,309623] [2022-12-13 21:55:07,579 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_6cc87de9-430b-4e49-ac5a-544de46af15d/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309778,309791] [2022-12-13 21:55:07,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:55:07,691 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:55:07,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:55:07 WrapperNode [2022-12-13 21:55:07,692 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:55:07,692 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:55:07,692 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:55:07,692 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:55:07,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:55:07" (1/1) ... [2022-12-13 21:55:07,741 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:55:07" (1/1) ... [2022-12-13 21:55:07,821 INFO L138 Inliner]: procedures = 412, calls = 1674, calls flagged for inlining = 194, calls inlined = 177, statements flattened = 4057 [2022-12-13 21:55:07,821 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:55:07,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:55:07,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:55:07,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:55:07,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:55:07" (1/1) ... [2022-12-13 21:55:07,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:55:07" (1/1) ... [2022-12-13 21:55:07,854 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:55:07" (1/1) ... [2022-12-13 21:55:07,855 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:55:07" (1/1) ... [2022-12-13 21:55:07,905 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:55:07" (1/1) ... [2022-12-13 21:55:07,913 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:55:07" (1/1) ... [2022-12-13 21:55:07,927 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:55:07" (1/1) ... [2022-12-13 21:55:07,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:55:07" (1/1) ... [2022-12-13 21:55:07,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:55:07,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:55:07,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:55:07,955 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:55:07,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:55:07" (1/1) ... [2022-12-13 21:55:07,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:55:07,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc87de9-430b-4e49-ac5a-544de46af15d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:55:07,979 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc87de9-430b-4e49-ac5a-544de46af15d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:55:07,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc87de9-430b-4e49-ac5a-544de46af15d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:55:08,012 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-12-13 21:55:08,012 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-12-13 21:55:08,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-13 21:55:08,012 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-13 21:55:08,012 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-12-13 21:55:08,012 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-12-13 21:55:08,012 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-12-13 21:55:08,012 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-12-13 21:55:08,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 21:55:08,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 21:55:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-13 21:55:08,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-13 21:55:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-13 21:55:08,013 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-13 21:55:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2022-12-13 21:55:08,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2022-12-13 21:55:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-12-13 21:55:08,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-12-13 21:55:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-12-13 21:55:08,013 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-12-13 21:55:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2022-12-13 21:55:08,013 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2022-12-13 21:55:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_poll [2022-12-13 21:55:08,013 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_poll [2022-12-13 21:55:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-12-13 21:55:08,013 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-12-13 21:55:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-13 21:55:08,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-13 21:55:08,013 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-12-13 21:55:08,013 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-12-13 21:55:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-12-13 21:55:08,014 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-12-13 21:55:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-12-13 21:55:08,014 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-12-13 21:55:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-13 21:55:08,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-13 21:55:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-12-13 21:55:08,014 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-12-13 21:55:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 21:55:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_stop [2022-12-13 21:55:08,014 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_stop [2022-12-13 21:55:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-13 21:55:08,014 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-13 21:55:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-13 21:55:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-13 21:55:08,014 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-13 21:55:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 21:55:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-13 21:55:08,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-13 21:55:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_set_filter_mode [2022-12-13 21:55:08,014 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_set_filter_mode [2022-12-13 21:55:08,015 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write_1bit [2022-12-13 21:55:08,015 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write_1bit [2022-12-13 21:55:08,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 21:55:08,015 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOID [2022-12-13 21:55:08,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOID [2022-12-13 21:55:08,015 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-12-13 21:55:08,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-12-13 21:55:08,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-13 21:55:08,015 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-13 21:55:08,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-12-13 21:55:08,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-12-13 21:55:08,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-12-13 21:55:08,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-12-13 21:55:08,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-13 21:55:08,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-13 21:55:08,015 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-12-13 21:55:08,015 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-12-13 21:55:08,015 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-13 21:55:08,015 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-13 21:55:08,015 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read_1bit [2022-12-13 21:55:08,015 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read_1bit [2022-12-13 21:55:08,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-13 21:55:08,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-13 21:55:08,016 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_reset_prepare [2022-12-13 21:55:08,016 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_reset_prepare [2022-12-13 21:55:08,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 21:55:08,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-12-13 21:55:08,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-12-13 21:55:08,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-12-13 21:55:08,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-12-13 21:55:08,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:55:08,016 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffer [2022-12-13 21:55:08,016 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffer [2022-12-13 21:55:08,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-13 21:55:08,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-13 21:55:08,016 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-13 21:55:08,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-13 21:55:08,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 21:55:08,016 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 21:55:08,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 21:55:08,016 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-12-13 21:55:08,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-12-13 21:55:08,016 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-13 21:55:08,017 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-13 21:55:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-12-13 21:55:08,017 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-12-13 21:55:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-12-13 21:55:08,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-12-13 21:55:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-12-13 21:55:08,017 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-12-13 21:55:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:55:08,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:55:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_reuse_skb [2022-12-13 21:55:08,017 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_reuse_skb [2022-12-13 21:55:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_open [2022-12-13 21:55:08,017 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_open [2022-12-13 21:55:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 21:55:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 21:55:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 21:55:08,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 21:55:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-13 21:55:08,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-13 21:55:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-12-13 21:55:08,017 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-12-13 21:55:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_uli526x_board_info [2022-12-13 21:55:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_uli526x_board_info [2022-12-13 21:55:08,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-12-13 21:55:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-12-13 21:55:08,018 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-12-13 21:55:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-12-13 21:55:08,018 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-12-13 21:55:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-12-13 21:55:08,018 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-12-13 21:55:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-12-13 21:55:08,018 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-12-13 21:55:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-12-13 21:55:08,018 INFO L130 BoogieDeclarations]: Found specification of procedure send_filter_frame [2022-12-13 21:55:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure send_filter_frame [2022-12-13 21:55:08,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_uli526x_cleanup_module_14_2 [2022-12-13 21:55:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_uli526x_cleanup_module_14_2 [2022-12-13 21:55:08,018 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-12-13 21:55:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-12-13 21:55:08,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 21:55:08,018 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-12-13 21:55:08,018 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-12-13 21:55:08,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 21:55:08,019 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-12-13 21:55:08,019 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-12-13 21:55:08,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 21:55:08,019 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-13 21:55:08,019 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-13 21:55:08,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-13 21:55:08,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-13 21:55:08,019 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_resume [2022-12-13 21:55:08,019 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_resume [2022-12-13 21:55:08,019 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-13 21:55:08,019 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-13 21:55:08,019 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_interrupt [2022-12-13 21:55:08,019 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_interrupt [2022-12-13 21:55:08,019 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~TO~~u16~0 [2022-12-13 21:55:08,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~TO~~u16~0 [2022-12-13 21:55:08,019 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_remove_one [2022-12-13 21:55:08,019 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_remove_one [2022-12-13 21:55:08,019 INFO L130 BoogieDeclarations]: Found specification of procedure update_cr6 [2022-12-13 21:55:08,019 INFO L138 BoogieDeclarations]: Found implementation of procedure update_cr6 [2022-12-13 21:55:08,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 21:55:08,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 21:55:08,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 21:55:08,020 INFO L130 BoogieDeclarations]: Found specification of procedure srom_clk_write [2022-12-13 21:55:08,020 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_clk_write [2022-12-13 21:55:08,020 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_free_rxbuffer [2022-12-13 21:55:08,020 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_free_rxbuffer [2022-12-13 21:55:08,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-13 21:55:08,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-13 21:55:08,020 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-12-13 21:55:08,020 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-12-13 21:55:08,020 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-12-13 21:55:08,020 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-12-13 21:55:08,020 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_init [2022-12-13 21:55:08,020 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_init [2022-12-13 21:55:08,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 21:55:08,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-13 21:55:08,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-13 21:55:08,467 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:55:08,469 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:55:08,817 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 21:55:10,526 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-12-13 21:55:10,693 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:55:10,705 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:55:10,705 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 21:55:10,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:55:10 BoogieIcfgContainer [2022-12-13 21:55:10,708 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:55:10,709 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 21:55:10,709 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 21:55:10,712 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 21:55:10,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:55:05" (1/3) ... [2022-12-13 21:55:10,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d04cccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:55:10, skipping insertion in model container [2022-12-13 21:55:10,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:55:07" (2/3) ... [2022-12-13 21:55:10,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d04cccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:55:10, skipping insertion in model container [2022-12-13 21:55:10,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:55:10" (3/3) ... [2022-12-13 21:55:10,713 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2022-12-13 21:55:10,727 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 21:55:10,727 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-13 21:55:10,783 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 21:55:10,788 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;@68f545cc, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 21:55:10,788 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-13 21:55:10,795 INFO L276 IsEmpty]: Start isEmpty. Operand has 1481 states, 1010 states have (on average 1.2821782178217822) internal successors, (1295), 1033 states have internal predecessors, (1295), 390 states have call successors, (390), 79 states have call predecessors, (390), 78 states have return successors, (384), 378 states have call predecessors, (384), 384 states have call successors, (384) [2022-12-13 21:55:10,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-12-13 21:55:10,807 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:55:10,807 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:55:10,808 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)] === [2022-12-13 21:55:10,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:55:10,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1841260472, now seen corresponding path program 1 times [2022-12-13 21:55:10,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:55:10,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949645118] [2022-12-13 21:55:10,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:55:10,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:55:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:11,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:55:11,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:11,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:11,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:11,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:55:11,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:11,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:11,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:11,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 21:55:11,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:11,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:11,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:11,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 21:55:11,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:11,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:11,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:11,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 21:55:11,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:11,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:11,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:11,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 21:55:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:11,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:11,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:11,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 21:55:11,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:11,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:11,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:11,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 21:55:11,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:11,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:11,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:11,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 21:55:11,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:11,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:11,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 21:55:11,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:11,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 21:55:11,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:11,481 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-12-13 21:55:11,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:55:11,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949645118] [2022-12-13 21:55:11,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949645118] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:55:11,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:55:11,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 21:55:11,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871938105] [2022-12-13 21:55:11,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:55:11,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 21:55:11,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:55:11,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 21:55:11,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 21:55:11,526 INFO L87 Difference]: Start difference. First operand has 1481 states, 1010 states have (on average 1.2821782178217822) internal successors, (1295), 1033 states have internal predecessors, (1295), 390 states have call successors, (390), 79 states have call predecessors, (390), 78 states have return successors, (384), 378 states have call predecessors, (384), 384 states have call successors, (384) Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 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) [2022-12-13 21:55:14,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:55:14,930 INFO L93 Difference]: Finished difference Result 4556 states and 6533 transitions. [2022-12-13 21:55:14,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 21:55:14,932 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 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 127 [2022-12-13 21:55:14,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:55:14,963 INFO L225 Difference]: With dead ends: 4556 [2022-12-13 21:55:14,963 INFO L226 Difference]: Without dead ends: 3088 [2022-12-13 21:55:14,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:55:14,977 INFO L413 NwaCegarLoop]: 1552 mSDtfsCounter, 2970 mSDsluCounter, 1850 mSDsCounter, 0 mSdLazyCounter, 2323 mSolverCounterSat, 1200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3337 SdHoareTripleChecker+Valid, 3402 SdHoareTripleChecker+Invalid, 3523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1200 IncrementalHoareTripleChecker+Valid, 2323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:55:14,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3337 Valid, 3402 Invalid, 3523 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1200 Valid, 2323 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-12-13 21:55:14,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3088 states. [2022-12-13 21:55:15,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3088 to 2818. [2022-12-13 21:55:15,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2818 states, 1937 states have (on average 1.2741352607124419) internal successors, (2468), 1982 states have internal predecessors, (2468), 726 states have call successors, (726), 153 states have call predecessors, (726), 152 states have return successors, (722), 710 states have call predecessors, (722), 722 states have call successors, (722) [2022-12-13 21:55:15,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2818 states to 2818 states and 3916 transitions. [2022-12-13 21:55:15,209 INFO L78 Accepts]: Start accepts. Automaton has 2818 states and 3916 transitions. Word has length 127 [2022-12-13 21:55:15,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:55:15,210 INFO L495 AbstractCegarLoop]: Abstraction has 2818 states and 3916 transitions. [2022-12-13 21:55:15,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 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) [2022-12-13 21:55:15,210 INFO L276 IsEmpty]: Start isEmpty. Operand 2818 states and 3916 transitions. [2022-12-13 21:55:15,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-12-13 21:55:15,217 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:55:15,218 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:55:15,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 21:55:15,218 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)] === [2022-12-13 21:55:15,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:55:15,219 INFO L85 PathProgramCache]: Analyzing trace with hash 783894734, now seen corresponding path program 1 times [2022-12-13 21:55:15,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:55:15,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450839702] [2022-12-13 21:55:15,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:55:15,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:55:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:15,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:55:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:15,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:15,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:15,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:55:15,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:15,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:15,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:15,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 21:55:15,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:15,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:15,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:15,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 21:55:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:15,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:15,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:15,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 21:55:15,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:15,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:15,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:15,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 21:55:15,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:15,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:15,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:15,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 21:55:15,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:15,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:15,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 21:55:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:15,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:15,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 21:55:15,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:15,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:15,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:15,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 21:55:15,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:15,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-12-13 21:55:15,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:15,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-12-13 21:55:15,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:15,525 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-12-13 21:55:15,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:55:15,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450839702] [2022-12-13 21:55:15,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450839702] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:55:15,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:55:15,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 21:55:15,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427400818] [2022-12-13 21:55:15,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:55:15,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 21:55:15,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:55:15,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 21:55:15,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 21:55:15,528 INFO L87 Difference]: Start difference. First operand 2818 states and 3916 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-12-13 21:55:18,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:55:18,696 INFO L93 Difference]: Finished difference Result 8840 states and 12391 transitions. [2022-12-13 21:55:18,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 21:55:18,697 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 131 [2022-12-13 21:55:18,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:55:18,719 INFO L225 Difference]: With dead ends: 8840 [2022-12-13 21:55:18,719 INFO L226 Difference]: Without dead ends: 6045 [2022-12-13 21:55:18,734 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 [2022-12-13 21:55:18,735 INFO L413 NwaCegarLoop]: 1567 mSDtfsCounter, 2977 mSDsluCounter, 1910 mSDsCounter, 0 mSdLazyCounter, 2265 mSolverCounterSat, 1248 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3334 SdHoareTripleChecker+Valid, 3477 SdHoareTripleChecker+Invalid, 3513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1248 IncrementalHoareTripleChecker+Valid, 2265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-12-13 21:55:18,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3334 Valid, 3477 Invalid, 3513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1248 Valid, 2265 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-12-13 21:55:18,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6045 states. [2022-12-13 21:55:18,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6045 to 5715. [2022-12-13 21:55:18,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5715 states, 3962 states have (on average 1.2804139323573953) internal successors, (5073), 4066 states have internal predecessors, (5073), 1439 states have call successors, (1439), 304 states have call predecessors, (1439), 311 states have return successors, (1473), 1404 states have call predecessors, (1473), 1435 states have call successors, (1473) [2022-12-13 21:55:18,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5715 states to 5715 states and 7985 transitions. [2022-12-13 21:55:18,947 INFO L78 Accepts]: Start accepts. Automaton has 5715 states and 7985 transitions. Word has length 131 [2022-12-13 21:55:18,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:55:18,948 INFO L495 AbstractCegarLoop]: Abstraction has 5715 states and 7985 transitions. [2022-12-13 21:55:18,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-12-13 21:55:18,948 INFO L276 IsEmpty]: Start isEmpty. Operand 5715 states and 7985 transitions. [2022-12-13 21:55:18,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-12-13 21:55:18,950 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:55:18,950 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:55:18,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 21:55:18,951 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 21:55:18,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:55:18,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1075742526, now seen corresponding path program 1 times [2022-12-13 21:55:18,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:55:18,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097112050] [2022-12-13 21:55:18,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:55:18,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:55:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:19,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:55:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:19,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:19,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:55:19,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:19,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:19,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 21:55:19,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:19,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:19,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 21:55:19,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:19,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:19,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 21:55:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:19,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:19,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 21:55:19,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:19,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:19,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:19,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 21:55:19,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:19,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:19,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 21:55:19,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:19,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:19,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:19,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 21:55:19,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:19,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:19,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:19,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 21:55:19,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:19,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 21:55:19,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:19,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-12-13 21:55:19,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:19,235 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-12-13 21:55:19,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:55:19,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097112050] [2022-12-13 21:55:19,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097112050] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:55:19,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:55:19,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 21:55:19,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316622053] [2022-12-13 21:55:19,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:55:19,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 21:55:19,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:55:19,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 21:55:19,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 21:55:19,237 INFO L87 Difference]: Start difference. First operand 5715 states and 7985 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, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-12-13 21:55:22,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:55:22,255 INFO L93 Difference]: Finished difference Result 17109 states and 23950 transitions. [2022-12-13 21:55:22,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 21:55:22,256 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, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 131 [2022-12-13 21:55:22,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:55:22,292 INFO L225 Difference]: With dead ends: 17109 [2022-12-13 21:55:22,293 INFO L226 Difference]: Without dead ends: 11417 [2022-12-13 21:55:22,307 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 [2022-12-13 21:55:22,308 INFO L413 NwaCegarLoop]: 1539 mSDtfsCounter, 2826 mSDsluCounter, 1921 mSDsCounter, 0 mSdLazyCounter, 2230 mSolverCounterSat, 1226 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3158 SdHoareTripleChecker+Valid, 3460 SdHoareTripleChecker+Invalid, 3456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1226 IncrementalHoareTripleChecker+Valid, 2230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-12-13 21:55:22,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3158 Valid, 3460 Invalid, 3456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1226 Valid, 2230 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-12-13 21:55:22,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11417 states. [2022-12-13 21:55:22,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11417 to 10551. [2022-12-13 21:55:22,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10551 states, 7282 states have (on average 1.2734138972809668) internal successors, (9273), 7478 states have internal predecessors, (9273), 2669 states have call successors, (2669), 598 states have call predecessors, (2669), 597 states have return successors, (2711), 2586 states have call predecessors, (2711), 2665 states have call successors, (2711) [2022-12-13 21:55:22,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10551 states to 10551 states and 14653 transitions. [2022-12-13 21:55:22,766 INFO L78 Accepts]: Start accepts. Automaton has 10551 states and 14653 transitions. Word has length 131 [2022-12-13 21:55:22,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:55:22,767 INFO L495 AbstractCegarLoop]: Abstraction has 10551 states and 14653 transitions. [2022-12-13 21:55:22,767 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, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-12-13 21:55:22,768 INFO L276 IsEmpty]: Start isEmpty. Operand 10551 states and 14653 transitions. [2022-12-13 21:55:22,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-12-13 21:55:22,770 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:55:22,770 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:55:22,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 21:55:22,770 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 21:55:22,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:55:22,771 INFO L85 PathProgramCache]: Analyzing trace with hash -341120382, now seen corresponding path program 1 times [2022-12-13 21:55:22,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:55:22,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573029658] [2022-12-13 21:55:22,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:55:22,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:55:22,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:23,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:55:23,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:23,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:23,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:23,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:55:23,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:23,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:23,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:23,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 21:55:23,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:23,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:23,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:23,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 21:55:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:23,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:23,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 21:55:23,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:23,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:23,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:23,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 21:55:23,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:23,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:23,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:23,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 21:55:23,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:23,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:23,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:23,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 21:55:23,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:23,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:23,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:23,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 21:55:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:23,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:23,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:23,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 21:55:23,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:23,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 21:55:23,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:23,143 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-12-13 21:55:23,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:55:23,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573029658] [2022-12-13 21:55:23,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573029658] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:55:23,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:55:23,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 21:55:23,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456906222] [2022-12-13 21:55:23,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:55:23,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 21:55:23,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:55:23,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 21:55:23,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-12-13 21:55:23,146 INFO L87 Difference]: Start difference. First operand 10551 states and 14653 transitions. Second operand has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-12-13 21:55:28,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:55:28,621 INFO L93 Difference]: Finished difference Result 25483 states and 35484 transitions. [2022-12-13 21:55:28,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 21:55:28,622 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 137 [2022-12-13 21:55:28,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:55:28,675 INFO L225 Difference]: With dead ends: 25483 [2022-12-13 21:55:28,675 INFO L226 Difference]: Without dead ends: 14955 [2022-12-13 21:55:28,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-12-13 21:55:28,702 INFO L413 NwaCegarLoop]: 1703 mSDtfsCounter, 6122 mSDsluCounter, 2585 mSDsCounter, 0 mSdLazyCounter, 4835 mSolverCounterSat, 2664 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6673 SdHoareTripleChecker+Valid, 4288 SdHoareTripleChecker+Invalid, 7499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2664 IncrementalHoareTripleChecker+Valid, 4835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-12-13 21:55:28,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6673 Valid, 4288 Invalid, 7499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2664 Valid, 4835 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-12-13 21:55:28,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14955 states. [2022-12-13 21:55:29,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14955 to 13262. [2022-12-13 21:55:29,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13262 states, 9343 states have (on average 1.2798886867173285) internal successors, (11958), 9576 states have internal predecessors, (11958), 3111 states have call successors, (3111), 820 states have call predecessors, (3111), 805 states have return successors, (3127), 2987 states have call predecessors, (3127), 3107 states have call successors, (3127) [2022-12-13 21:55:29,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13262 states to 13262 states and 18196 transitions. [2022-12-13 21:55:29,205 INFO L78 Accepts]: Start accepts. Automaton has 13262 states and 18196 transitions. Word has length 137 [2022-12-13 21:55:29,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:55:29,205 INFO L495 AbstractCegarLoop]: Abstraction has 13262 states and 18196 transitions. [2022-12-13 21:55:29,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-12-13 21:55:29,205 INFO L276 IsEmpty]: Start isEmpty. Operand 13262 states and 18196 transitions. [2022-12-13 21:55:29,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-12-13 21:55:29,207 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:55:29,207 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:55:29,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 21:55:29,207 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)] === [2022-12-13 21:55:29,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:55:29,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1949494620, now seen corresponding path program 1 times [2022-12-13 21:55:29,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:55:29,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139802077] [2022-12-13 21:55:29,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:55:29,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:55:29,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:29,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:55:29,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:29,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:29,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:29,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:55:29,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:29,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:29,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:29,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 21:55:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:29,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:29,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 21:55:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:29,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:29,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 21:55:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:29,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:29,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 21:55:29,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:29,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:29,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:29,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 21:55:29,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:29,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:29,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:29,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 21:55:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:29,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:29,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:29,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 21:55:29,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:29,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:29,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:29,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 21:55:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:29,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-12-13 21:55:29,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:29,382 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-12-13 21:55:29,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:55:29,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139802077] [2022-12-13 21:55:29,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139802077] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:55:29,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:55:29,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 21:55:29,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12552783] [2022-12-13 21:55:29,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:55:29,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 21:55:29,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:55:29,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 21:55:29,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 21:55:29,384 INFO L87 Difference]: Start difference. First operand 13262 states and 18196 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 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) [2022-12-13 21:55:32,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:55:32,852 INFO L93 Difference]: Finished difference Result 37156 states and 51360 transitions. [2022-12-13 21:55:32,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 21:55:32,853 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 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 140 [2022-12-13 21:55:32,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:55:32,915 INFO L225 Difference]: With dead ends: 37156 [2022-12-13 21:55:32,915 INFO L226 Difference]: Without dead ends: 23917 [2022-12-13 21:55:32,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:55:32,944 INFO L413 NwaCegarLoop]: 1536 mSDtfsCounter, 2800 mSDsluCounter, 1877 mSDsCounter, 0 mSdLazyCounter, 2290 mSolverCounterSat, 1223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3138 SdHoareTripleChecker+Valid, 3413 SdHoareTripleChecker+Invalid, 3513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1223 IncrementalHoareTripleChecker+Valid, 2290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-12-13 21:55:32,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3138 Valid, 3413 Invalid, 3513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1223 Valid, 2290 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-12-13 21:55:32,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23917 states. [2022-12-13 21:55:33,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23917 to 21376. [2022-12-13 21:55:33,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21376 states, 14919 states have (on average 1.2743481466586233) internal successors, (19012), 15296 states have internal predecessors, (19012), 5114 states have call successors, (5114), 1377 states have call predecessors, (5114), 1340 states have return successors, (5137), 4883 states have call predecessors, (5137), 5110 states have call successors, (5137) [2022-12-13 21:55:33,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21376 states to 21376 states and 29263 transitions. [2022-12-13 21:55:33,758 INFO L78 Accepts]: Start accepts. Automaton has 21376 states and 29263 transitions. Word has length 140 [2022-12-13 21:55:33,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:55:33,759 INFO L495 AbstractCegarLoop]: Abstraction has 21376 states and 29263 transitions. [2022-12-13 21:55:33,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 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) [2022-12-13 21:55:33,759 INFO L276 IsEmpty]: Start isEmpty. Operand 21376 states and 29263 transitions. [2022-12-13 21:55:33,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-12-13 21:55:33,760 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:55:33,760 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:55:33,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 21:55:33,761 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)] === [2022-12-13 21:55:33,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:55:33,761 INFO L85 PathProgramCache]: Analyzing trace with hash -760182417, now seen corresponding path program 1 times [2022-12-13 21:55:33,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:55:33,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241181895] [2022-12-13 21:55:33,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:55:33,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:55:33,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:33,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:55:33,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:33,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:33,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:33,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:55:33,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:33,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:33,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:33,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 21:55:33,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:33,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:33,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:33,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 21:55:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:33,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:33,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:33,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 21:55:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:33,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:33,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:33,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 21:55:33,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:33,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:33,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:33,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 21:55:33,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:33,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:33,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 21:55:33,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:33,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:33,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:33,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 21:55:33,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:33,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:33,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:33,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 21:55:33,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:33,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 21:55:33,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:33,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 21:55:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:33,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 21:55:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:33,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 21:55:34,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:34,003 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2022-12-13 21:55:34,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:55:34,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241181895] [2022-12-13 21:55:34,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241181895] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:55:34,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:55:34,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 21:55:34,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853680722] [2022-12-13 21:55:34,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:55:34,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 21:55:34,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:55:34,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 21:55:34,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 21:55:34,004 INFO L87 Difference]: Start difference. First operand 21376 states and 29263 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-12-13 21:55:37,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:55:37,771 INFO L93 Difference]: Finished difference Result 67710 states and 93537 transitions. [2022-12-13 21:55:37,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 21:55:37,772 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 154 [2022-12-13 21:55:37,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:55:37,903 INFO L225 Difference]: With dead ends: 67710 [2022-12-13 21:55:37,904 INFO L226 Difference]: Without dead ends: 46357 [2022-12-13 21:55:37,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:55:37,959 INFO L413 NwaCegarLoop]: 1727 mSDtfsCounter, 2989 mSDsluCounter, 2039 mSDsCounter, 0 mSdLazyCounter, 2333 mSolverCounterSat, 1228 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3363 SdHoareTripleChecker+Valid, 3766 SdHoareTripleChecker+Invalid, 3561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1228 IncrementalHoareTripleChecker+Valid, 2333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-13 21:55:37,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3363 Valid, 3766 Invalid, 3561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1228 Valid, 2333 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-13 21:55:37,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46357 states. [2022-12-13 21:55:39,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46357 to 41335. [2022-12-13 21:55:39,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41335 states, 28807 states have (on average 1.2746554656854236) internal successors, (36719), 29583 states have internal predecessors, (36719), 9922 states have call successors, (9922), 2676 states have call predecessors, (9922), 2603 states have return successors, (9972), 9429 states have call predecessors, (9972), 9918 states have call successors, (9972) [2022-12-13 21:55:39,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41335 states to 41335 states and 56613 transitions. [2022-12-13 21:55:39,588 INFO L78 Accepts]: Start accepts. Automaton has 41335 states and 56613 transitions. Word has length 154 [2022-12-13 21:55:39,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:55:39,588 INFO L495 AbstractCegarLoop]: Abstraction has 41335 states and 56613 transitions. [2022-12-13 21:55:39,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-12-13 21:55:39,588 INFO L276 IsEmpty]: Start isEmpty. Operand 41335 states and 56613 transitions. [2022-12-13 21:55:39,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-12-13 21:55:39,590 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:55:39,590 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 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] [2022-12-13 21:55:39,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 21:55:39,590 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 21:55:39,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:55:39,591 INFO L85 PathProgramCache]: Analyzing trace with hash 480059155, now seen corresponding path program 1 times [2022-12-13 21:55:39,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:55:39,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573849972] [2022-12-13 21:55:39,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:55:39,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:55:39,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:39,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:55:39,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:39,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:39,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:55:39,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:39,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:39,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:39,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 21:55:39,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:39,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:39,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:39,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 21:55:39,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:39,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:39,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:39,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 21:55:39,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:39,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:39,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:39,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 21:55:39,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:39,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:39,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:39,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 21:55:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:39,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:39,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:39,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 21:55:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:39,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:39,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:39,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 21:55:39,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:39,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:39,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:39,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 21:55:39,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:39,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 21:55:39,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:39,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-12-13 21:55:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:39,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 21:55:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:39,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 21:55:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:39,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:39,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:39,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-12-13 21:55:39,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:39,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-12-13 21:55:39,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:39,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 21:55:39,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:39,817 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2022-12-13 21:55:39,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:55:39,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573849972] [2022-12-13 21:55:39,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573849972] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:55:39,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:55:39,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 21:55:39,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653134262] [2022-12-13 21:55:39,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:55:39,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 21:55:39,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:55:39,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 21:55:39,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 21:55:39,818 INFO L87 Difference]: Start difference. First operand 41335 states and 56613 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-13 21:55:45,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:55:45,345 INFO L93 Difference]: Finished difference Result 133743 states and 187064 transitions. [2022-12-13 21:55:45,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 21:55:45,346 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 189 [2022-12-13 21:55:45,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:55:45,672 INFO L225 Difference]: With dead ends: 133743 [2022-12-13 21:55:45,673 INFO L226 Difference]: Without dead ends: 92487 [2022-12-13 21:55:45,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:55:45,863 INFO L413 NwaCegarLoop]: 2204 mSDtfsCounter, 2552 mSDsluCounter, 2283 mSDsCounter, 0 mSdLazyCounter, 2727 mSolverCounterSat, 1102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2924 SdHoareTripleChecker+Valid, 4487 SdHoareTripleChecker+Invalid, 3829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1102 IncrementalHoareTripleChecker+Valid, 2727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-12-13 21:55:45,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2924 Valid, 4487 Invalid, 3829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1102 Valid, 2727 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-12-13 21:55:45,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92487 states. [2022-12-13 21:55:48,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92487 to 82565. [2022-12-13 21:55:49,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82565 states, 57539 states have (on average 1.2627435304749821) internal successors, (72657), 59089 states have internal predecessors, (72657), 19818 states have call successors, (19818), 5350 states have call predecessors, (19818), 5205 states have return successors, (20692), 18833 states have call predecessors, (20692), 19814 states have call successors, (20692) [2022-12-13 21:55:49,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82565 states to 82565 states and 113167 transitions. [2022-12-13 21:55:49,330 INFO L78 Accepts]: Start accepts. Automaton has 82565 states and 113167 transitions. Word has length 189 [2022-12-13 21:55:49,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:55:49,331 INFO L495 AbstractCegarLoop]: Abstraction has 82565 states and 113167 transitions. [2022-12-13 21:55:49,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-13 21:55:49,331 INFO L276 IsEmpty]: Start isEmpty. Operand 82565 states and 113167 transitions. [2022-12-13 21:55:49,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-12-13 21:55:49,333 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:55:49,333 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 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] [2022-12-13 21:55:49,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 21:55:49,333 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 21:55:49,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:55:49,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1206120683, now seen corresponding path program 1 times [2022-12-13 21:55:49,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:55:49,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156936282] [2022-12-13 21:55:49,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:55:49,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:55:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:49,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:55:49,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:49,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:49,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:49,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:55:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:49,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:49,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:49,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 21:55:49,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:49,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:49,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:49,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 21:55:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:49,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:49,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:49,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 21:55:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:49,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:49,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 21:55:49,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:49,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:49,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:49,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 21:55:49,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:49,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:49,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:49,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 21:55:49,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:49,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:49,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:49,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 21:55:49,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:49,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:49,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:49,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 21:55:49,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:49,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 21:55:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:49,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-12-13 21:55:49,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:49,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 21:55:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:49,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 21:55:49,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:49,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:49,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-12-13 21:55:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:49,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-12-13 21:55:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:49,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 21:55:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:49,597 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2022-12-13 21:55:49,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:55:49,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156936282] [2022-12-13 21:55:49,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156936282] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:55:49,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:55:49,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 21:55:49,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975056456] [2022-12-13 21:55:49,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:55:49,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 21:55:49,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:55:49,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 21:55:49,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 21:55:49,599 INFO L87 Difference]: Start difference. First operand 82565 states and 113167 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-13 21:55:53,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:55:53,384 INFO L93 Difference]: Finished difference Result 128769 states and 176445 transitions. [2022-12-13 21:55:53,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 21:55:53,385 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 189 [2022-12-13 21:55:53,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:55:53,535 INFO L225 Difference]: With dead ends: 128769 [2022-12-13 21:55:53,535 INFO L226 Difference]: Without dead ends: 46283 [2022-12-13 21:55:53,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:55:53,726 INFO L413 NwaCegarLoop]: 1326 mSDtfsCounter, 2237 mSDsluCounter, 733 mSDsCounter, 0 mSdLazyCounter, 970 mSolverCounterSat, 964 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2430 SdHoareTripleChecker+Valid, 2059 SdHoareTripleChecker+Invalid, 1934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 964 IncrementalHoareTripleChecker+Valid, 970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-12-13 21:55:53,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2430 Valid, 2059 Invalid, 1934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [964 Valid, 970 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-12-13 21:55:53,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46283 states. [2022-12-13 21:55:55,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46283 to 41335. [2022-12-13 21:55:55,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41335 states, 28807 states have (on average 1.2486895546221404) internal successors, (35971), 29583 states have internal predecessors, (35971), 9922 states have call successors, (9922), 2676 states have call predecessors, (9922), 2603 states have return successors, (9972), 9429 states have call predecessors, (9972), 9918 states have call successors, (9972) [2022-12-13 21:55:55,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41335 states to 41335 states and 55865 transitions. [2022-12-13 21:55:55,660 INFO L78 Accepts]: Start accepts. Automaton has 41335 states and 55865 transitions. Word has length 189 [2022-12-13 21:55:55,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:55:55,660 INFO L495 AbstractCegarLoop]: Abstraction has 41335 states and 55865 transitions. [2022-12-13 21:55:55,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-13 21:55:55,661 INFO L276 IsEmpty]: Start isEmpty. Operand 41335 states and 55865 transitions. [2022-12-13 21:55:55,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-12-13 21:55:55,663 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:55:55,663 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 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] [2022-12-13 21:55:55,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 21:55:55,663 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 21:55:55,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:55:55,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1260513581, now seen corresponding path program 1 times [2022-12-13 21:55:55,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:55:55,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764120637] [2022-12-13 21:55:55,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:55:55,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:55:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:55,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:55:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:55,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:55,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:55,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:55:55,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:55,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:55,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 21:55:55,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:55,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:55,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:55,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 21:55:55,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:55,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:55,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:55,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 21:55:55,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:55,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:55,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 21:55:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:55,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:55,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 21:55:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:55,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:55,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 21:55:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:55,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:55,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:55,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 21:55:55,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:55,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:55,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 21:55:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:55,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 21:55:55,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:55,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-12-13 21:55:55,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:55,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 21:55:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:56,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 21:55:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:56,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:55:56,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:56,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-12-13 21:55:56,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:56,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-12-13 21:55:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:56,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-12-13 21:55:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:55:56,036 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2022-12-13 21:55:56,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:55:56,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764120637] [2022-12-13 21:55:56,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764120637] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:55:56,036 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:55:56,036 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 21:55:56,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107374776] [2022-12-13 21:55:56,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:55:56,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 21:55:56,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:55:56,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 21:55:56,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 21:55:56,038 INFO L87 Difference]: Start difference. First operand 41335 states and 55865 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-13 21:56:00,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:56:00,672 INFO L93 Difference]: Finished difference Result 87491 states and 119047 transitions. [2022-12-13 21:56:00,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 21:56:00,673 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 189 [2022-12-13 21:56:00,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:56:00,842 INFO L225 Difference]: With dead ends: 87491 [2022-12-13 21:56:00,842 INFO L226 Difference]: Without dead ends: 46235 [2022-12-13 21:56:00,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:56:00,953 INFO L413 NwaCegarLoop]: 1317 mSDtfsCounter, 2230 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 976 mSolverCounterSat, 967 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2424 SdHoareTripleChecker+Valid, 2041 SdHoareTripleChecker+Invalid, 1943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 967 IncrementalHoareTripleChecker+Valid, 976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-13 21:56:00,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2424 Valid, 2041 Invalid, 1943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [967 Valid, 976 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-13 21:56:01,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46235 states. [2022-12-13 21:56:03,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46235 to 41287. [2022-12-13 21:56:03,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41287 states, 28759 states have (on average 1.2424284571786224) internal successors, (35731), 29535 states have internal predecessors, (35731), 9922 states have call successors, (9922), 2676 states have call predecessors, (9922), 2603 states have return successors, (9972), 9429 states have call predecessors, (9972), 9918 states have call successors, (9972) [2022-12-13 21:56:03,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41287 states to 41287 states and 55625 transitions. [2022-12-13 21:56:03,489 INFO L78 Accepts]: Start accepts. Automaton has 41287 states and 55625 transitions. Word has length 189 [2022-12-13 21:56:03,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:56:03,489 INFO L495 AbstractCegarLoop]: Abstraction has 41287 states and 55625 transitions. [2022-12-13 21:56:03,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-13 21:56:03,490 INFO L276 IsEmpty]: Start isEmpty. Operand 41287 states and 55625 transitions. [2022-12-13 21:56:03,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-12-13 21:56:03,491 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:56:03,491 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 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, 1] [2022-12-13 21:56:03,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 21:56:03,492 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 21:56:03,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:56:03,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1009874549, now seen corresponding path program 1 times [2022-12-13 21:56:03,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:56:03,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119757911] [2022-12-13 21:56:03,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:56:03,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:56:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:03,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:56:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:03,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:03,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:03,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:56:03,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:03,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:03,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:03,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 21:56:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:03,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:03,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 21:56:03,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:03,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:03,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:03,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 21:56:03,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:03,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:03,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 21:56:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:03,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:03,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 21:56:03,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:03,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:03,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:03,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 21:56:03,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:03,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:03,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:03,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 21:56:03,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:03,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:03,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:03,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 21:56:03,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:03,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 21:56:03,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:03,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 21:56:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:03,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 21:56:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:03,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 21:56:03,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:03,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:03,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 21:56:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:03,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-12-13 21:56:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:03,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 21:56:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:03,702 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2022-12-13 21:56:03,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:56:03,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119757911] [2022-12-13 21:56:03,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119757911] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:56:03,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:56:03,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 21:56:03,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028706508] [2022-12-13 21:56:03,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:56:03,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 21:56:03,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:56:03,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 21:56:03,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 21:56:03,704 INFO L87 Difference]: Start difference. First operand 41287 states and 55625 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-13 21:56:10,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:56:10,423 INFO L93 Difference]: Finished difference Result 130377 states and 177371 transitions. [2022-12-13 21:56:10,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 21:56:10,424 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 192 [2022-12-13 21:56:10,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:56:10,699 INFO L225 Difference]: With dead ends: 130377 [2022-12-13 21:56:10,699 INFO L226 Difference]: Without dead ends: 89169 [2022-12-13 21:56:10,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:56:10,796 INFO L413 NwaCegarLoop]: 2136 mSDtfsCounter, 2704 mSDsluCounter, 2317 mSDsCounter, 0 mSdLazyCounter, 2481 mSolverCounterSat, 1017 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3064 SdHoareTripleChecker+Valid, 4453 SdHoareTripleChecker+Invalid, 3498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1017 IncrementalHoareTripleChecker+Valid, 2481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-12-13 21:56:10,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3064 Valid, 4453 Invalid, 3498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1017 Valid, 2481 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-12-13 21:56:10,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89169 states. [2022-12-13 21:56:15,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89169 to 79269. [2022-12-13 21:56:15,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79269 states, 55267 states have (on average 1.2426402735809796) internal successors, (68677), 56593 states have internal predecessors, (68677), 18954 states have call successors, (18954), 5158 states have call predecessors, (18954), 5045 states have return successors, (19058), 18225 states have call predecessors, (19058), 18950 states have call successors, (19058) [2022-12-13 21:56:15,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79269 states to 79269 states and 106689 transitions. [2022-12-13 21:56:15,647 INFO L78 Accepts]: Start accepts. Automaton has 79269 states and 106689 transitions. Word has length 192 [2022-12-13 21:56:15,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:56:15,647 INFO L495 AbstractCegarLoop]: Abstraction has 79269 states and 106689 transitions. [2022-12-13 21:56:15,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-12-13 21:56:15,648 INFO L276 IsEmpty]: Start isEmpty. Operand 79269 states and 106689 transitions. [2022-12-13 21:56:15,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-12-13 21:56:15,650 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:56:15,650 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 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, 1] [2022-12-13 21:56:15,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 21:56:15,651 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 21:56:15,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:56:15,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1150423159, now seen corresponding path program 1 times [2022-12-13 21:56:15,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:56:15,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230825166] [2022-12-13 21:56:15,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:56:15,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:56:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:15,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:56:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:15,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:15,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:56:15,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:15,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:15,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 21:56:15,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:15,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:15,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 21:56:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:15,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:16,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 21:56:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:16,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:16,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 21:56:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:16,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:16,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:16,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 21:56:16,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:16,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:16,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:16,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 21:56:16,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:16,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:16,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 21:56:16,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:16,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:16,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:16,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 21:56:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:16,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 21:56:16,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:16,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 21:56:16,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:16,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 21:56:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:16,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 21:56:16,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:16,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:16,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:16,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 21:56:16,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:16,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-12-13 21:56:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:16,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 21:56:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:16,114 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2022-12-13 21:56:16,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:56:16,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230825166] [2022-12-13 21:56:16,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230825166] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:56:16,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:56:16,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 21:56:16,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318758567] [2022-12-13 21:56:16,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:56:16,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 21:56:16,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:56:16,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 21:56:16,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 21:56:16,116 INFO L87 Difference]: Start difference. First operand 79269 states and 106689 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 21:56:22,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:56:22,558 INFO L93 Difference]: Finished difference Result 89171 states and 121603 transitions. [2022-12-13 21:56:22,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 21:56:22,559 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 192 [2022-12-13 21:56:22,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:56:22,798 INFO L225 Difference]: With dead ends: 89171 [2022-12-13 21:56:22,798 INFO L226 Difference]: Without dead ends: 89169 [2022-12-13 21:56:22,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 21:56:22,825 INFO L413 NwaCegarLoop]: 1312 mSDtfsCounter, 2227 mSDsluCounter, 2989 mSDsCounter, 0 mSdLazyCounter, 2784 mSolverCounterSat, 974 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2415 SdHoareTripleChecker+Valid, 4301 SdHoareTripleChecker+Invalid, 3758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 974 IncrementalHoareTripleChecker+Valid, 2784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:56:22,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2415 Valid, 4301 Invalid, 3758 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [974 Valid, 2784 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-12-13 21:56:22,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89169 states. [2022-12-13 21:56:26,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89169 to 79273. [2022-12-13 21:56:26,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79273 states, 55270 states have (on average 1.2426271033110186) internal successors, (68680), 56596 states have internal predecessors, (68680), 18954 states have call successors, (18954), 5159 states have call predecessors, (18954), 5046 states have return successors, (19058), 18225 states have call predecessors, (19058), 18950 states have call successors, (19058) [2022-12-13 21:56:27,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79273 states to 79273 states and 106692 transitions. [2022-12-13 21:56:27,248 INFO L78 Accepts]: Start accepts. Automaton has 79273 states and 106692 transitions. Word has length 192 [2022-12-13 21:56:27,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:56:27,248 INFO L495 AbstractCegarLoop]: Abstraction has 79273 states and 106692 transitions. [2022-12-13 21:56:27,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 21:56:27,249 INFO L276 IsEmpty]: Start isEmpty. Operand 79273 states and 106692 transitions. [2022-12-13 21:56:27,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-12-13 21:56:27,250 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:56:27,250 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:56:27,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 21:56:27,251 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 21:56:27,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:56:27,251 INFO L85 PathProgramCache]: Analyzing trace with hash 2042171468, now seen corresponding path program 1 times [2022-12-13 21:56:27,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:56:27,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267037197] [2022-12-13 21:56:27,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:56:27,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:56:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:27,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:56:27,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:27,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:27,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:27,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:56:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:27,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:27,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:27,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 21:56:27,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:27,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:27,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 21:56:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:27,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:27,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 21:56:27,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:27,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:27,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:27,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 21:56:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:27,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:27,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 21:56:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:27,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:27,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 21:56:27,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:27,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:27,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:27,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 21:56:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:27,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:27,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 21:56:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:27,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 21:56:27,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:27,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 21:56:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:27,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 21:56:27,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:27,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 21:56:27,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:27,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:27,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:27,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 21:56:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:27,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-12-13 21:56:27,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:27,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 21:56:27,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:27,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 21:56:27,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:27,650 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2022-12-13 21:56:27,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:56:27,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267037197] [2022-12-13 21:56:27,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267037197] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:56:27,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:56:27,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 21:56:27,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865624221] [2022-12-13 21:56:27,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:56:27,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 21:56:27,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:56:27,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 21:56:27,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 21:56:27,651 INFO L87 Difference]: Start difference. First operand 79273 states and 106692 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 21:56:34,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:56:34,243 INFO L93 Difference]: Finished difference Result 89175 states and 121606 transitions. [2022-12-13 21:56:34,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 21:56:34,244 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 197 [2022-12-13 21:56:34,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:56:34,505 INFO L225 Difference]: With dead ends: 89175 [2022-12-13 21:56:34,506 INFO L226 Difference]: Without dead ends: 89173 [2022-12-13 21:56:34,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 21:56:34,536 INFO L413 NwaCegarLoop]: 1312 mSDtfsCounter, 2219 mSDsluCounter, 2989 mSDsCounter, 0 mSdLazyCounter, 2787 mSolverCounterSat, 973 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2407 SdHoareTripleChecker+Valid, 4301 SdHoareTripleChecker+Invalid, 3760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 973 IncrementalHoareTripleChecker+Valid, 2787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-13 21:56:34,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2407 Valid, 4301 Invalid, 3760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [973 Valid, 2787 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-12-13 21:56:34,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89173 states. [2022-12-13 21:56:38,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89173 to 79277. [2022-12-13 21:56:38,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79277 states, 55273 states have (on average 1.242613934470718) internal successors, (68683), 56599 states have internal predecessors, (68683), 18954 states have call successors, (18954), 5160 states have call predecessors, (18954), 5047 states have return successors, (19058), 18225 states have call predecessors, (19058), 18950 states have call successors, (19058) [2022-12-13 21:56:39,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79277 states to 79277 states and 106695 transitions. [2022-12-13 21:56:39,030 INFO L78 Accepts]: Start accepts. Automaton has 79277 states and 106695 transitions. Word has length 197 [2022-12-13 21:56:39,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:56:39,030 INFO L495 AbstractCegarLoop]: Abstraction has 79277 states and 106695 transitions. [2022-12-13 21:56:39,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 21:56:39,031 INFO L276 IsEmpty]: Start isEmpty. Operand 79277 states and 106695 transitions. [2022-12-13 21:56:39,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-12-13 21:56:39,033 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:56:39,033 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:56:39,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 21:56:39,034 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 21:56:39,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:56:39,034 INFO L85 PathProgramCache]: Analyzing trace with hash 464438615, now seen corresponding path program 1 times [2022-12-13 21:56:39,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:56:39,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370149724] [2022-12-13 21:56:39,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:56:39,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:56:39,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:39,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:56:39,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:39,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:39,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:39,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:56:39,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:39,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:39,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 21:56:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:39,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:39,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:39,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 21:56:39,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:39,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:39,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:39,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 21:56:39,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:39,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:39,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:39,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 21:56:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:39,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:39,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:39,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 21:56:39,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:39,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:39,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:39,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 21:56:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:39,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:39,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:39,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 21:56:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:39,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:39,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:39,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 21:56:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:39,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 21:56:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:39,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 21:56:39,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:39,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 21:56:39,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:39,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 21:56:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:39,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:39,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:39,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 21:56:39,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:39,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-12-13 21:56:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:39,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 21:56:39,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:39,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 21:56:39,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:39,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 21:56:39,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:39,359 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2022-12-13 21:56:39,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:56:39,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370149724] [2022-12-13 21:56:39,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370149724] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:56:39,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:56:39,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 21:56:39,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172646971] [2022-12-13 21:56:39,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:56:39,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 21:56:39,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:56:39,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 21:56:39,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 21:56:39,361 INFO L87 Difference]: Start difference. First operand 79277 states and 106695 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 21:56:46,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:56:46,929 INFO L93 Difference]: Finished difference Result 89179 states and 121609 transitions. [2022-12-13 21:56:46,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 21:56:46,930 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 202 [2022-12-13 21:56:46,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:56:47,186 INFO L225 Difference]: With dead ends: 89179 [2022-12-13 21:56:47,186 INFO L226 Difference]: Without dead ends: 89177 [2022-12-13 21:56:47,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 21:56:47,219 INFO L413 NwaCegarLoop]: 1311 mSDtfsCounter, 2219 mSDsluCounter, 2986 mSDsCounter, 0 mSdLazyCounter, 2787 mSolverCounterSat, 972 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2408 SdHoareTripleChecker+Valid, 4297 SdHoareTripleChecker+Invalid, 3759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 972 IncrementalHoareTripleChecker+Valid, 2787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-13 21:56:47,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2408 Valid, 4297 Invalid, 3759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [972 Valid, 2787 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-12-13 21:56:47,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89177 states. [2022-12-13 21:56:51,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89177 to 79281. [2022-12-13 21:56:51,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79281 states, 55276 states have (on average 1.2426007670598451) internal successors, (68686), 56602 states have internal predecessors, (68686), 18954 states have call successors, (18954), 5161 states have call predecessors, (18954), 5048 states have return successors, (19058), 18225 states have call predecessors, (19058), 18950 states have call successors, (19058) [2022-12-13 21:56:51,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79281 states to 79281 states and 106698 transitions. [2022-12-13 21:56:51,835 INFO L78 Accepts]: Start accepts. Automaton has 79281 states and 106698 transitions. Word has length 202 [2022-12-13 21:56:51,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:56:51,835 INFO L495 AbstractCegarLoop]: Abstraction has 79281 states and 106698 transitions. [2022-12-13 21:56:51,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 21:56:51,836 INFO L276 IsEmpty]: Start isEmpty. Operand 79281 states and 106698 transitions. [2022-12-13 21:56:51,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-12-13 21:56:51,838 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:56:51,838 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:56:51,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 21:56:51,838 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 21:56:51,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:56:51,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1524930284, now seen corresponding path program 1 times [2022-12-13 21:56:51,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:56:51,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766039276] [2022-12-13 21:56:51,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:56:51,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:56:51,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:52,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:56:52,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:52,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:52,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:56:52,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:52,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:52,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 21:56:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:52,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:52,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:52,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 21:56:52,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:52,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:52,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:52,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 21:56:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:52,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:52,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:52,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 21:56:52,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:52,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:52,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:52,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 21:56:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:52,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:52,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:52,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 21:56:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:52,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:52,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:52,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 21:56:52,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:52,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:52,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:52,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 21:56:52,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:52,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 21:56:52,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:52,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 21:56:52,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:52,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 21:56:52,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:52,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 21:56:52,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:52,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:56:52,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:52,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 21:56:52,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:52,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-12-13 21:56:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:52,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 21:56:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:52,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 21:56:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:52,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 21:56:52,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:52,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-12-13 21:56:52,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:52,131 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2022-12-13 21:56:52,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:56:52,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766039276] [2022-12-13 21:56:52,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766039276] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:56:52,132 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:56:52,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 21:56:52,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624183214] [2022-12-13 21:56:52,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:56:52,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 21:56:52,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:56:52,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 21:56:52,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 21:56:52,134 INFO L87 Difference]: Start difference. First operand 79281 states and 106698 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-13 21:56:59,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:56:59,670 INFO L93 Difference]: Finished difference Result 89183 states and 121612 transitions. [2022-12-13 21:56:59,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 21:56:59,671 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 207 [2022-12-13 21:56:59,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:56:59,968 INFO L225 Difference]: With dead ends: 89183 [2022-12-13 21:56:59,968 INFO L226 Difference]: Without dead ends: 89181 [2022-12-13 21:56:59,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 21:56:59,996 INFO L413 NwaCegarLoop]: 1312 mSDtfsCounter, 2219 mSDsluCounter, 2989 mSDsCounter, 0 mSdLazyCounter, 2787 mSolverCounterSat, 971 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2407 SdHoareTripleChecker+Valid, 4301 SdHoareTripleChecker+Invalid, 3758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 971 IncrementalHoareTripleChecker+Valid, 2787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-13 21:56:59,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2407 Valid, 4301 Invalid, 3758 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [971 Valid, 2787 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-12-13 21:57:00,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89181 states. [2022-12-13 21:57:04,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89181 to 79285. [2022-12-13 21:57:04,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79285 states, 55279 states have (on average 1.2425876010781671) internal successors, (68689), 56605 states have internal predecessors, (68689), 18954 states have call successors, (18954), 5162 states have call predecessors, (18954), 5049 states have return successors, (19058), 18225 states have call predecessors, (19058), 18950 states have call successors, (19058) [2022-12-13 21:57:04,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79285 states to 79285 states and 106701 transitions. [2022-12-13 21:57:04,896 INFO L78 Accepts]: Start accepts. Automaton has 79285 states and 106701 transitions. Word has length 207 [2022-12-13 21:57:04,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:57:04,896 INFO L495 AbstractCegarLoop]: Abstraction has 79285 states and 106701 transitions. [2022-12-13 21:57:04,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-13 21:57:04,896 INFO L276 IsEmpty]: Start isEmpty. Operand 79285 states and 106701 transitions. [2022-12-13 21:57:04,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-12-13 21:57:04,899 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:57:04,899 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:57:04,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 21:57:04,899 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 21:57:04,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:57:04,900 INFO L85 PathProgramCache]: Analyzing trace with hash -133656009, now seen corresponding path program 1 times [2022-12-13 21:57:04,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:57:04,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389519113] [2022-12-13 21:57:04,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:57:04,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:57:04,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:05,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:57:05,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:05,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:57:05,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:05,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:57:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:05,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:57:05,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:05,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 21:57:05,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:05,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:57:05,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:05,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 21:57:05,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:05,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:57:05,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:05,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 21:57:05,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:05,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:57:05,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:05,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 21:57:05,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:05,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:57:05,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:05,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 21:57:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:05,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:57:05,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:05,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 21:57:05,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:05,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:57:05,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:05,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 21:57:05,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:05,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:57:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:05,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 21:57:05,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:05,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 21:57:05,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:05,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 21:57:05,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:05,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 21:57:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:05,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 21:57:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:05,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:57:05,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:05,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 21:57:05,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:05,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-12-13 21:57:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:05,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 21:57:05,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:05,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 21:57:05,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:05,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 21:57:05,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:05,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-12-13 21:57:05,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:05,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 21:57:05,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:05,193 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2022-12-13 21:57:05,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:57:05,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389519113] [2022-12-13 21:57:05,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389519113] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:57:05,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:57:05,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 21:57:05,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048661947] [2022-12-13 21:57:05,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:57:05,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 21:57:05,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:57:05,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 21:57:05,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 21:57:05,195 INFO L87 Difference]: Start difference. First operand 79285 states and 106701 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 21:57:13,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:57:13,448 INFO L93 Difference]: Finished difference Result 89187 states and 121615 transitions. [2022-12-13 21:57:13,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 21:57:13,449 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 212 [2022-12-13 21:57:13,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:57:13,704 INFO L225 Difference]: With dead ends: 89187 [2022-12-13 21:57:13,704 INFO L226 Difference]: Without dead ends: 89185 [2022-12-13 21:57:13,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 21:57:13,737 INFO L413 NwaCegarLoop]: 1312 mSDtfsCounter, 2219 mSDsluCounter, 2989 mSDsCounter, 0 mSdLazyCounter, 2787 mSolverCounterSat, 970 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2407 SdHoareTripleChecker+Valid, 4301 SdHoareTripleChecker+Invalid, 3757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 970 IncrementalHoareTripleChecker+Valid, 2787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-12-13 21:57:13,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2407 Valid, 4301 Invalid, 3757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [970 Valid, 2787 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-12-13 21:57:13,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89185 states. [2022-12-13 21:57:18,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89185 to 79289. [2022-12-13 21:57:18,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79289 states, 55282 states have (on average 1.2425744365254514) internal successors, (68692), 56608 states have internal predecessors, (68692), 18954 states have call successors, (18954), 5163 states have call predecessors, (18954), 5050 states have return successors, (19058), 18225 states have call predecessors, (19058), 18950 states have call successors, (19058) [2022-12-13 21:57:18,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79289 states to 79289 states and 106704 transitions. [2022-12-13 21:57:18,977 INFO L78 Accepts]: Start accepts. Automaton has 79289 states and 106704 transitions. Word has length 212 [2022-12-13 21:57:18,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:57:18,977 INFO L495 AbstractCegarLoop]: Abstraction has 79289 states and 106704 transitions. [2022-12-13 21:57:18,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 21:57:18,978 INFO L276 IsEmpty]: Start isEmpty. Operand 79289 states and 106704 transitions. [2022-12-13 21:57:18,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-12-13 21:57:18,980 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:57:18,980 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 6, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:57:18,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 21:57:18,980 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 21:57:18,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:57:18,981 INFO L85 PathProgramCache]: Analyzing trace with hash -28059670, now seen corresponding path program 1 times [2022-12-13 21:57:18,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:57:18,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698241058] [2022-12-13 21:57:18,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:57:18,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:57:19,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:19,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:57:19,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:19,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:57:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:19,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:57:19,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:19,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:57:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:19,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 21:57:19,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:19,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:57:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:19,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 21:57:19,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:19,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:57:19,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:19,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 21:57:19,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:19,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:57:19,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:19,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 21:57:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:19,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:57:19,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:19,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 21:57:19,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:19,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:57:19,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:19,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 21:57:19,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:19,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:57:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:19,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 21:57:19,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:19,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:57:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:19,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 21:57:19,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:19,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 21:57:19,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:19,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 21:57:19,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:19,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 21:57:19,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:19,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 21:57:19,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:19,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:57:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:19,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 21:57:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:19,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-12-13 21:57:19,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:19,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-12-13 21:57:19,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:19,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-12-13 21:57:19,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:19,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 21:57:19,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:19,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-12-13 21:57:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:19,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 21:57:19,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:19,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-12-13 21:57:19,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:19,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-12-13 21:57:19,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:19,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-12-13 21:57:19,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:19,252 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2022-12-13 21:57:19,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:57:19,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698241058] [2022-12-13 21:57:19,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698241058] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:57:19,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:57:19,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 21:57:19,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264771375] [2022-12-13 21:57:19,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:57:19,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:57:19,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:57:19,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:57:19,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:57:19,253 INFO L87 Difference]: Start difference. First operand 79289 states and 106704 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-12-13 21:57:35,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:57:35,349 INFO L93 Difference]: Finished difference Result 211416 states and 287120 transitions. [2022-12-13 21:57:35,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 21:57:35,350 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 231 [2022-12-13 21:57:35,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:57:35,850 INFO L225 Difference]: With dead ends: 211416 [2022-12-13 21:57:35,851 INFO L226 Difference]: Without dead ends: 132206 [2022-12-13 21:57:36,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 21:57:36,040 INFO L413 NwaCegarLoop]: 1704 mSDtfsCounter, 2933 mSDsluCounter, 2715 mSDsCounter, 0 mSdLazyCounter, 4803 mSolverCounterSat, 2117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3135 SdHoareTripleChecker+Valid, 4419 SdHoareTripleChecker+Invalid, 6920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2117 IncrementalHoareTripleChecker+Valid, 4803 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-12-13 21:57:36,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3135 Valid, 4419 Invalid, 6920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2117 Valid, 4803 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-12-13 21:57:36,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132206 states. [2022-12-13 21:57:46,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132206 to 117319. [2022-12-13 21:57:46,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117319 states, 81838 states have (on average 1.2425279210146876) internal successors, (101686), 83714 states have internal predecessors, (101686), 27986 states have call successors, (27986), 7645 states have call predecessors, (27986), 7492 states have return successors, (28144), 27021 states have call predecessors, (28144), 27982 states have call successors, (28144) [2022-12-13 21:57:46,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117319 states to 117319 states and 157816 transitions. [2022-12-13 21:57:46,524 INFO L78 Accepts]: Start accepts. Automaton has 117319 states and 157816 transitions. Word has length 231 [2022-12-13 21:57:46,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:57:46,524 INFO L495 AbstractCegarLoop]: Abstraction has 117319 states and 157816 transitions. [2022-12-13 21:57:46,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-12-13 21:57:46,525 INFO L276 IsEmpty]: Start isEmpty. Operand 117319 states and 157816 transitions. [2022-12-13 21:57:46,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-12-13 21:57:46,527 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:57:46,527 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 6, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:57:46,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 21:57:46,527 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 21:57:46,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:57:46,528 INFO L85 PathProgramCache]: Analyzing trace with hash -381549172, now seen corresponding path program 1 times [2022-12-13 21:57:46,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:57:46,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786107710] [2022-12-13 21:57:46,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:57:46,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:57:46,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:46,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:57:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:46,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:57:46,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:46,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:57:46,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:46,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:57:46,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:46,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 21:57:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:46,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:57:46,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:46,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 21:57:46,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:46,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:57:46,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:46,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 21:57:46,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:46,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:57:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:46,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 21:57:46,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:46,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:57:46,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:46,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 21:57:46,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:46,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:57:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:46,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 21:57:46,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:46,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:57:46,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:46,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 21:57:46,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:46,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:57:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:46,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 21:57:46,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:46,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 21:57:46,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:46,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 21:57:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:46,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 21:57:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:46,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 21:57:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:46,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:57:46,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:46,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 21:57:46,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:46,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-12-13 21:57:46,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:46,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 21:57:46,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:46,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 21:57:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:46,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 21:57:46,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:46,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-12-13 21:57:46,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:46,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 21:57:46,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:46,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-12-13 21:57:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:57:46,807 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2022-12-13 21:57:46,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:57:46,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786107710] [2022-12-13 21:57:46,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786107710] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:57:46,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:57:46,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 21:57:46,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025517300] [2022-12-13 21:57:46,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:57:46,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 21:57:46,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:57:46,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 21:57:46,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 21:57:46,809 INFO L87 Difference]: Start difference. First operand 117319 states and 157816 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-13 21:58:00,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:58:00,448 INFO L93 Difference]: Finished difference Result 132169 states and 180180 transitions. [2022-12-13 21:58:00,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 21:58:00,449 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 217 [2022-12-13 21:58:00,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:58:00,861 INFO L225 Difference]: With dead ends: 132169 [2022-12-13 21:58:00,861 INFO L226 Difference]: Without dead ends: 132167 [2022-12-13 21:58:00,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 21:58:00,907 INFO L413 NwaCegarLoop]: 1312 mSDtfsCounter, 2219 mSDsluCounter, 2989 mSDsCounter, 0 mSdLazyCounter, 2787 mSolverCounterSat, 969 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2407 SdHoareTripleChecker+Valid, 4301 SdHoareTripleChecker+Invalid, 3756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 969 IncrementalHoareTripleChecker+Valid, 2787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:58:00,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2407 Valid, 4301 Invalid, 3756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [969 Valid, 2787 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-13 21:58:01,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132167 states. [2022-12-13 21:58:10,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132167 to 117323. [2022-12-13 21:58:10,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117323 states, 81841 states have (on average 1.2425190308036314) internal successors, (101689), 83717 states have internal predecessors, (101689), 27986 states have call successors, (27986), 7646 states have call predecessors, (27986), 7493 states have return successors, (28144), 27021 states have call predecessors, (28144), 27982 states have call successors, (28144) [2022-12-13 21:58:10,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117323 states to 117323 states and 157819 transitions. [2022-12-13 21:58:10,982 INFO L78 Accepts]: Start accepts. Automaton has 117323 states and 157819 transitions. Word has length 217 [2022-12-13 21:58:10,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:58:10,982 INFO L495 AbstractCegarLoop]: Abstraction has 117323 states and 157819 transitions. [2022-12-13 21:58:10,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-13 21:58:10,983 INFO L276 IsEmpty]: Start isEmpty. Operand 117323 states and 157819 transitions. [2022-12-13 21:58:10,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-12-13 21:58:10,985 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:58:10,985 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 7, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:58:10,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-13 21:58:10,985 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 21:58:10,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:58:10,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1574865129, now seen corresponding path program 1 times [2022-12-13 21:58:10,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:58:10,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914220847] [2022-12-13 21:58:10,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:58:10,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:58:11,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:11,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:58:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:11,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:58:11,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:11,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:58:11,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:11,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:58:11,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:11,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 21:58:11,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:11,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:58:11,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:11,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 21:58:11,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:11,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:58:11,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:11,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 21:58:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:11,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:58:11,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:11,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 21:58:11,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:11,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:58:11,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:11,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 21:58:11,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:11,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:58:11,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:11,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 21:58:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:11,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:58:11,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:11,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 21:58:11,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:11,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:58:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:11,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 21:58:11,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:11,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 21:58:11,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:11,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 21:58:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:11,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 21:58:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:11,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 21:58:11,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:11,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:58:11,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:11,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 21:58:11,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:11,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-12-13 21:58:11,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:11,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 21:58:11,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:11,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 21:58:11,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:11,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 21:58:11,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:11,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-12-13 21:58:11,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:11,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 21:58:11,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:11,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-12-13 21:58:11,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:11,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-12-13 21:58:11,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:11,406 INFO L134 CoverageAnalysis]: Checked inductivity of 556 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2022-12-13 21:58:11,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:58:11,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914220847] [2022-12-13 21:58:11,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914220847] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:58:11,406 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:58:11,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 21:58:11,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685834165] [2022-12-13 21:58:11,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:58:11,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 21:58:11,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:58:11,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 21:58:11,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 21:58:11,407 INFO L87 Difference]: Start difference. First operand 117323 states and 157819 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-13 21:58:24,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:58:24,760 INFO L93 Difference]: Finished difference Result 132173 states and 180183 transitions. [2022-12-13 21:58:24,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 21:58:24,761 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 222 [2022-12-13 21:58:24,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:58:25,219 INFO L225 Difference]: With dead ends: 132173 [2022-12-13 21:58:25,219 INFO L226 Difference]: Without dead ends: 132171 [2022-12-13 21:58:25,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 21:58:25,263 INFO L413 NwaCegarLoop]: 1311 mSDtfsCounter, 2219 mSDsluCounter, 2986 mSDsCounter, 0 mSdLazyCounter, 2787 mSolverCounterSat, 968 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2408 SdHoareTripleChecker+Valid, 4297 SdHoareTripleChecker+Invalid, 3755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 968 IncrementalHoareTripleChecker+Valid, 2787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-13 21:58:25,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2408 Valid, 4297 Invalid, 3755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [968 Valid, 2787 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-12-13 21:58:25,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132171 states. [2022-12-13 21:58:35,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132171 to 117327. [2022-12-13 21:58:35,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117327 states, 81844 states have (on average 1.2425101412443185) internal successors, (101692), 83720 states have internal predecessors, (101692), 27986 states have call successors, (27986), 7647 states have call predecessors, (27986), 7494 states have return successors, (28144), 27021 states have call predecessors, (28144), 27982 states have call successors, (28144) [2022-12-13 21:58:35,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117327 states to 117327 states and 157822 transitions. [2022-12-13 21:58:35,957 INFO L78 Accepts]: Start accepts. Automaton has 117327 states and 157822 transitions. Word has length 222 [2022-12-13 21:58:35,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:58:35,958 INFO L495 AbstractCegarLoop]: Abstraction has 117327 states and 157822 transitions. [2022-12-13 21:58:35,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-13 21:58:35,958 INFO L276 IsEmpty]: Start isEmpty. Operand 117327 states and 157822 transitions. [2022-12-13 21:58:35,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2022-12-13 21:58:35,961 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:58:35,961 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 8, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:58:35,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-13 21:58:35,961 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 21:58:35,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:58:35,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1569676332, now seen corresponding path program 1 times [2022-12-13 21:58:35,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:58:35,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591754070] [2022-12-13 21:58:35,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:58:35,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:58:35,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:36,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:58:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:36,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:58:36,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:36,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:58:36,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:36,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:58:36,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:36,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 21:58:36,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:36,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:58:36,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:36,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 21:58:36,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:36,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:58:36,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:36,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 21:58:36,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:36,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:58:36,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:36,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 21:58:36,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:36,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:58:36,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:36,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 21:58:36,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:36,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:58:36,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:36,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 21:58:36,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:36,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:58:36,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:36,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 21:58:36,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:36,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:58:36,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:36,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 21:58:36,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:36,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 21:58:36,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:36,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 21:58:36,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:36,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 21:58:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:36,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 21:58:36,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:36,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:58:36,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:36,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 21:58:36,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:36,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-12-13 21:58:36,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:36,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 21:58:36,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:36,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 21:58:36,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:36,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 21:58:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:36,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-12-13 21:58:36,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:36,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 21:58:36,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:36,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-12-13 21:58:36,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:36,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-12-13 21:58:36,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:36,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-12-13 21:58:36,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:58:36,252 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2022-12-13 21:58:36,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:58:36,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591754070] [2022-12-13 21:58:36,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591754070] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:58:36,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:58:36,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 21:58:36,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154746988] [2022-12-13 21:58:36,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:58:36,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 21:58:36,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:58:36,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 21:58:36,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 21:58:36,254 INFO L87 Difference]: Start difference. First operand 117327 states and 157822 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-13 21:58:53,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:58:53,104 INFO L93 Difference]: Finished difference Result 146211 states and 196992 transitions. [2022-12-13 21:58:53,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 21:58:53,105 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 227 [2022-12-13 21:58:53,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:58:53,555 INFO L225 Difference]: With dead ends: 146211 [2022-12-13 21:58:53,555 INFO L226 Difference]: Without dead ends: 146209 [2022-12-13 21:58:53,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 21:58:53,606 INFO L413 NwaCegarLoop]: 1364 mSDtfsCounter, 2036 mSDsluCounter, 3523 mSDsCounter, 0 mSdLazyCounter, 3772 mSolverCounterSat, 888 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2290 SdHoareTripleChecker+Valid, 4887 SdHoareTripleChecker+Invalid, 4660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 888 IncrementalHoareTripleChecker+Valid, 3772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-12-13 21:58:53,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2290 Valid, 4887 Invalid, 4660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [888 Valid, 3772 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-12-13 21:58:53,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146209 states. [2022-12-13 21:59:06,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146209 to 130129. [2022-12-13 21:59:06,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130129 states, 90127 states have (on average 1.2335371198420007) internal successors, (111175), 92111 states have internal predecessors, (111175), 30782 states have call successors, (30782), 9370 states have call predecessors, (30782), 9217 states have return successors, (30940), 29817 states have call predecessors, (30940), 30778 states have call successors, (30940) [2022-12-13 21:59:06,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130129 states to 130129 states and 172897 transitions. [2022-12-13 21:59:06,736 INFO L78 Accepts]: Start accepts. Automaton has 130129 states and 172897 transitions. Word has length 227 [2022-12-13 21:59:06,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:59:06,736 INFO L495 AbstractCegarLoop]: Abstraction has 130129 states and 172897 transitions. [2022-12-13 21:59:06,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-13 21:59:06,736 INFO L276 IsEmpty]: Start isEmpty. Operand 130129 states and 172897 transitions. [2022-12-13 21:59:06,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-12-13 21:59:06,739 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:59:06,739 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:59:06,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-13 21:59:06,740 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 21:59:06,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:59:06,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1476693001, now seen corresponding path program 1 times [2022-12-13 21:59:06,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:59:06,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272304839] [2022-12-13 21:59:06,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:59:06,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:59:06,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:07,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:59:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:07,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:59:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:07,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:59:07,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:07,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:59:07,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:07,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 21:59:07,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:07,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:59:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:07,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 21:59:07,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:07,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:59:07,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:07,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 21:59:07,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:07,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:59:07,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:07,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 21:59:07,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:07,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:59:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:07,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 21:59:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:07,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:59:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:07,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 21:59:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:07,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:59:07,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:07,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 21:59:07,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:07,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:59:07,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:07,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 21:59:07,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:07,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 21:59:07,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:07,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 21:59:07,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:07,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 21:59:07,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:07,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 21:59:07,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:07,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:59:07,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:07,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 21:59:07,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:07,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-12-13 21:59:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:07,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 21:59:07,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:07,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 21:59:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:07,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 21:59:07,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:07,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-12-13 21:59:07,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:07,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 21:59:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:07,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-12-13 21:59:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:07,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-12-13 21:59:07,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:07,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-12-13 21:59:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:07,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-12-13 21:59:07,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:07,146 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 596 trivial. 0 not checked. [2022-12-13 21:59:07,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:59:07,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272304839] [2022-12-13 21:59:07,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272304839] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:59:07,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:59:07,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 21:59:07,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650400476] [2022-12-13 21:59:07,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:59:07,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 21:59:07,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:59:07,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 21:59:07,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 21:59:07,147 INFO L87 Difference]: Start difference. First operand 130129 states and 172897 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-13 21:59:23,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:59:23,600 INFO L93 Difference]: Finished difference Result 146215 states and 196995 transitions. [2022-12-13 21:59:23,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 21:59:23,602 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 232 [2022-12-13 21:59:23,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:59:24,051 INFO L225 Difference]: With dead ends: 146215 [2022-12-13 21:59:24,052 INFO L226 Difference]: Without dead ends: 146213 [2022-12-13 21:59:24,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 21:59:24,103 INFO L413 NwaCegarLoop]: 1325 mSDtfsCounter, 2212 mSDsluCounter, 3016 mSDsCounter, 0 mSdLazyCounter, 2790 mSolverCounterSat, 955 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2399 SdHoareTripleChecker+Valid, 4341 SdHoareTripleChecker+Invalid, 3745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 955 IncrementalHoareTripleChecker+Valid, 2790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-13 21:59:24,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2399 Valid, 4341 Invalid, 3745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [955 Valid, 2790 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-12-13 21:59:24,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146213 states. [2022-12-13 21:59:36,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146213 to 130133. [2022-12-13 21:59:36,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130133 states, 90130 states have (on average 1.2335293464995007) internal successors, (111178), 92114 states have internal predecessors, (111178), 30782 states have call successors, (30782), 9371 states have call predecessors, (30782), 9218 states have return successors, (30940), 29817 states have call predecessors, (30940), 30778 states have call successors, (30940) [2022-12-13 21:59:36,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130133 states to 130133 states and 172900 transitions. [2022-12-13 21:59:36,586 INFO L78 Accepts]: Start accepts. Automaton has 130133 states and 172900 transitions. Word has length 232 [2022-12-13 21:59:36,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:59:36,587 INFO L495 AbstractCegarLoop]: Abstraction has 130133 states and 172900 transitions. [2022-12-13 21:59:36,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-13 21:59:36,587 INFO L276 IsEmpty]: Start isEmpty. Operand 130133 states and 172900 transitions. [2022-12-13 21:59:36,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-12-13 21:59:36,590 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:59:36,591 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 10, 9, 9, 9, 9, 9, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:59:36,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-13 21:59:36,591 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 21:59:36,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:59:36,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1693803828, now seen corresponding path program 1 times [2022-12-13 21:59:36,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:59:36,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542039556] [2022-12-13 21:59:36,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:59:36,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:59:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:36,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 21:59:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:36,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:59:36,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:36,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:59:36,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:36,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:59:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:36,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 21:59:36,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:36,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:59:36,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:36,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 21:59:36,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:36,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:59:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:36,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 21:59:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:36,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:59:36,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:36,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 21:59:36,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:36,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:59:36,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:36,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 21:59:36,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:36,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:59:36,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:36,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 21:59:36,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:36,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:59:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:36,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 21:59:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:36,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:59:36,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:36,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 21:59:36,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:36,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 21:59:36,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:36,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 21:59:36,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:36,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 21:59:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:36,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 21:59:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:36,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:59:36,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:36,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 21:59:36,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:36,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-12-13 21:59:36,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:36,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 21:59:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:36,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 21:59:36,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:36,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 21:59:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:36,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-12-13 21:59:36,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:36,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 21:59:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:36,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-12-13 21:59:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:36,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-12-13 21:59:36,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:36,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-12-13 21:59:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:36,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-12-13 21:59:36,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:36,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-12-13 21:59:36,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:59:36,873 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked. [2022-12-13 21:59:36,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:59:36,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542039556] [2022-12-13 21:59:36,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542039556] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:59:36,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:59:36,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 21:59:36,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142776338] [2022-12-13 21:59:36,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:59:36,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 21:59:36,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:59:36,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 21:59:36,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 21:59:36,875 INFO L87 Difference]: Start difference. First operand 130133 states and 172900 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-13 21:59:54,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:59:54,117 INFO L93 Difference]: Finished difference Result 146219 states and 196998 transitions. [2022-12-13 21:59:54,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 21:59:54,119 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 237 [2022-12-13 21:59:54,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:59:54,563 INFO L225 Difference]: With dead ends: 146219 [2022-12-13 21:59:54,563 INFO L226 Difference]: Without dead ends: 146217 [2022-12-13 21:59:54,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 21:59:54,609 INFO L413 NwaCegarLoop]: 1322 mSDtfsCounter, 2212 mSDsluCounter, 3009 mSDsCounter, 0 mSdLazyCounter, 2790 mSolverCounterSat, 958 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2400 SdHoareTripleChecker+Valid, 4331 SdHoareTripleChecker+Invalid, 3748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 958 IncrementalHoareTripleChecker+Valid, 2790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-12-13 21:59:54,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2400 Valid, 4331 Invalid, 3748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [958 Valid, 2790 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-12-13 21:59:54,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146217 states. [2022-12-13 22:00:07,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146217 to 130137. [2022-12-13 22:00:07,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130137 states, 90133 states have (on average 1.233521573674459) internal successors, (111181), 92117 states have internal predecessors, (111181), 30782 states have call successors, (30782), 9372 states have call predecessors, (30782), 9219 states have return successors, (30940), 29817 states have call predecessors, (30940), 30778 states have call successors, (30940) [2022-12-13 22:00:07,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130137 states to 130137 states and 172903 transitions. [2022-12-13 22:00:07,605 INFO L78 Accepts]: Start accepts. Automaton has 130137 states and 172903 transitions. Word has length 237 [2022-12-13 22:00:07,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:00:07,606 INFO L495 AbstractCegarLoop]: Abstraction has 130137 states and 172903 transitions. [2022-12-13 22:00:07,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-13 22:00:07,606 INFO L276 IsEmpty]: Start isEmpty. Operand 130137 states and 172903 transitions. [2022-12-13 22:00:07,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-12-13 22:00:07,609 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:00:07,610 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:00:07,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-13 22:00:07,610 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 22:00:07,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:00:07,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1737511780, now seen corresponding path program 1 times [2022-12-13 22:00:07,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:00:07,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903804006] [2022-12-13 22:00:07,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:00:07,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:00:07,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:07,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:00:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:07,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:00:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:07,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:00:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:07,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:00:07,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:07,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:00:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:07,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:00:07,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:07,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:00:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:07,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:00:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:07,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:00:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:07,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:00:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:07,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:00:07,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:07,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:00:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:07,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:00:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:07,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:00:07,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:07,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:00:07,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:07,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:00:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:07,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:00:07,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:07,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:00:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:07,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:00:07,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:07,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 22:00:07,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:07,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 22:00:07,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:07,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 22:00:07,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:07,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 22:00:07,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:07,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-12-13 22:00:07,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:07,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:00:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:07,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 22:00:07,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:07,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 22:00:07,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:07,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-12-13 22:00:07,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:07,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:00:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:07,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-12-13 22:00:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:07,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-12-13 22:00:07,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:07,894 INFO L134 CoverageAnalysis]: Checked inductivity of 571 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2022-12-13 22:00:07,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:00:07,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903804006] [2022-12-13 22:00:07,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903804006] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:00:07,894 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:00:07,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 22:00:07,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532867103] [2022-12-13 22:00:07,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:00:07,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 22:00:07,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:00:07,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 22:00:07,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 22:00:07,895 INFO L87 Difference]: Start difference. First operand 130137 states and 172903 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-12-13 22:00:29,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:00:29,525 INFO L93 Difference]: Finished difference Result 309939 states and 415218 transitions. [2022-12-13 22:00:29,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 22:00:29,526 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 237 [2022-12-13 22:00:29,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:00:30,137 INFO L225 Difference]: With dead ends: 309939 [2022-12-13 22:00:30,137 INFO L226 Difference]: Without dead ends: 179881 [2022-12-13 22:00:30,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 22:00:30,451 INFO L413 NwaCegarLoop]: 1946 mSDtfsCounter, 1934 mSDsluCounter, 2114 mSDsCounter, 0 mSdLazyCounter, 2415 mSolverCounterSat, 853 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2221 SdHoareTripleChecker+Valid, 4060 SdHoareTripleChecker+Invalid, 3268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 853 IncrementalHoareTripleChecker+Valid, 2415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-12-13 22:00:30,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2221 Valid, 4060 Invalid, 3268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [853 Valid, 2415 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-12-13 22:00:30,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179881 states. [2022-12-13 22:00:45,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179881 to 159193. [2022-12-13 22:00:46,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159193 states, 110873 states have (on average 1.2337449153536029) internal successors, (136789), 113261 states have internal predecessors, (136789), 36932 states have call successors, (36932), 11554 states have call predecessors, (36932), 11385 states have return successors, (37090), 35787 states have call predecessors, (37090), 36928 states have call successors, (37090) [2022-12-13 22:00:46,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159193 states to 159193 states and 210811 transitions. [2022-12-13 22:00:46,699 INFO L78 Accepts]: Start accepts. Automaton has 159193 states and 210811 transitions. Word has length 237 [2022-12-13 22:00:46,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:00:46,700 INFO L495 AbstractCegarLoop]: Abstraction has 159193 states and 210811 transitions. [2022-12-13 22:00:46,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-12-13 22:00:46,700 INFO L276 IsEmpty]: Start isEmpty. Operand 159193 states and 210811 transitions. [2022-12-13 22:00:46,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-12-13 22:00:46,702 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:00:46,702 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 11, 10, 10, 9, 9, 9, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:00:46,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-13 22:00:46,702 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 22:00:46,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:00:46,703 INFO L85 PathProgramCache]: Analyzing trace with hash 2098759895, now seen corresponding path program 1 times [2022-12-13 22:00:46,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:00:46,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390775584] [2022-12-13 22:00:46,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:00:46,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:00:46,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:46,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:00:46,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:46,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:00:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:46,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:00:46,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:46,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:00:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:46,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:00:46,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:46,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:00:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:46,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:00:46,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:46,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:00:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:46,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:00:46,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:46,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:00:46,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:46,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:00:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:46,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:00:46,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:46,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:00:46,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:46,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:00:46,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:46,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:00:46,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:46,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:00:46,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:46,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:00:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:46,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:00:46,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:46,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:00:46,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:46,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 22:00:46,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:46,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 22:00:46,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:46,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 22:00:46,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:46,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 22:00:46,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:46,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:00:46,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:46,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 22:00:46,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:46,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-12-13 22:00:46,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:46,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 22:00:46,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:46,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 22:00:46,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:46,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 22:00:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:46,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-12-13 22:00:46,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:46,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 22:00:46,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:46,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-12-13 22:00:46,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:46,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-12-13 22:00:46,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:46,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-12-13 22:00:46,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:46,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-12-13 22:00:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:46,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-12-13 22:00:46,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:46,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 22:00:46,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:00:46,982 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2022-12-13 22:00:46,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:00:46,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390775584] [2022-12-13 22:00:46,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390775584] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:00:46,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:00:46,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 22:00:46,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896878409] [2022-12-13 22:00:46,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:00:46,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 22:00:46,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:00:46,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 22:00:46,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 22:00:46,983 INFO L87 Difference]: Start difference. First operand 159193 states and 210811 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 22:01:06,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:01:06,772 INFO L93 Difference]: Finished difference Result 179791 states and 241647 transitions. [2022-12-13 22:01:06,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 22:01:06,773 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 242 [2022-12-13 22:01:06,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:01:07,330 INFO L225 Difference]: With dead ends: 179791 [2022-12-13 22:01:07,330 INFO L226 Difference]: Without dead ends: 179789 [2022-12-13 22:01:07,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-12-13 22:01:07,395 INFO L413 NwaCegarLoop]: 1323 mSDtfsCounter, 2212 mSDsluCounter, 3011 mSDsCounter, 0 mSdLazyCounter, 2790 mSolverCounterSat, 955 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2400 SdHoareTripleChecker+Valid, 4334 SdHoareTripleChecker+Invalid, 3745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 955 IncrementalHoareTripleChecker+Valid, 2790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:01:07,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2400 Valid, 4334 Invalid, 3745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [955 Valid, 2790 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-12-13 22:01:07,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179789 states. [2022-12-13 22:01:23,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179789 to 159197. [2022-12-13 22:01:23,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159197 states, 110876 states have (on average 1.233738590858256) internal successors, (136792), 113264 states have internal predecessors, (136792), 36932 states have call successors, (36932), 11555 states have call predecessors, (36932), 11386 states have return successors, (37090), 35787 states have call predecessors, (37090), 36928 states have call successors, (37090) [2022-12-13 22:01:23,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159197 states to 159197 states and 210814 transitions. [2022-12-13 22:01:23,759 INFO L78 Accepts]: Start accepts. Automaton has 159197 states and 210814 transitions. Word has length 242 [2022-12-13 22:01:23,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:01:23,760 INFO L495 AbstractCegarLoop]: Abstraction has 159197 states and 210814 transitions. [2022-12-13 22:01:23,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 22:01:23,760 INFO L276 IsEmpty]: Start isEmpty. Operand 159197 states and 210814 transitions. [2022-12-13 22:01:23,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-12-13 22:01:23,762 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:01:23,763 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 12, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:01:23,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-13 22:01:23,763 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 22:01:23,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:01:23,763 INFO L85 PathProgramCache]: Analyzing trace with hash 46203526, now seen corresponding path program 1 times [2022-12-13 22:01:23,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:01:23,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325128509] [2022-12-13 22:01:23,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:01:23,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:01:23,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:01:23,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:01:23,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:01:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:01:23,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:01:23,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:01:23,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:01:23,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:01:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:01:23,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:01:23,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:01:23,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:01:23,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:01:23,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:01:23,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:01:23,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:01:23,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:01:23,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:01:23,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:01:23,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 22:01:23,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 22:01:23,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 22:01:23,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 22:01:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:01:23,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 22:01:23,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-12-13 22:01:23,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-12-13 22:01:23,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 22:01:23,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 22:01:23,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-12-13 22:01:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-12-13 22:01:23,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 22:01:23,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-12-13 22:01:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-12-13 22:01:23,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-12-13 22:01:23,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-12-13 22:01:23,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-12-13 22:01:23,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-12-13 22:01:23,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 22:01:23,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-12-13 22:01:23,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-12-13 22:01:23,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-12-13 22:01:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-12-13 22:01:23,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:01:23,973 INFO L134 CoverageAnalysis]: Checked inductivity of 853 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2022-12-13 22:01:23,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:01:23,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325128509] [2022-12-13 22:01:23,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325128509] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:01:23,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:01:23,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 22:01:23,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558440996] [2022-12-13 22:01:23,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:01:23,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 22:01:23,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:01:23,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 22:01:23,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 22:01:23,975 INFO L87 Difference]: Start difference. First operand 159197 states and 210814 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-12-13 22:01:54,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:01:54,641 INFO L93 Difference]: Finished difference Result 397686 states and 531380 transitions. [2022-12-13 22:01:54,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 22:01:54,642 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 284 [2022-12-13 22:01:54,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:01:55,736 INFO L225 Difference]: With dead ends: 397686 [2022-12-13 22:01:55,736 INFO L226 Difference]: Without dead ends: 238568 [2022-12-13 22:01:56,093 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:01:56,094 INFO L413 NwaCegarLoop]: 1704 mSDtfsCounter, 2920 mSDsluCounter, 2714 mSDsCounter, 0 mSdLazyCounter, 4858 mSolverCounterSat, 2076 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3124 SdHoareTripleChecker+Valid, 4418 SdHoareTripleChecker+Invalid, 6934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2076 IncrementalHoareTripleChecker+Valid, 4858 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-12-13 22:01:56,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3124 Valid, 4418 Invalid, 6934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2076 Valid, 4858 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-12-13 22:01:56,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238568 states. [2022-12-13 22:02:17,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238568 to 211045. [2022-12-13 22:02:17,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211045 states, 147004 states have (on average 1.2334494299474845) internal successors, (181322), 150086 states have internal predecessors, (181322), 48914 states have call successors, (48914), 15381 states have call predecessors, (48914), 15124 states have return successors, (49126), 47457 states have call predecessors, (49126), 48910 states have call successors, (49126) [2022-12-13 22:02:18,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211045 states to 211045 states and 279362 transitions. [2022-12-13 22:02:18,104 INFO L78 Accepts]: Start accepts. Automaton has 211045 states and 279362 transitions. Word has length 284 [2022-12-13 22:02:18,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:02:18,104 INFO L495 AbstractCegarLoop]: Abstraction has 211045 states and 279362 transitions. [2022-12-13 22:02:18,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-12-13 22:02:18,104 INFO L276 IsEmpty]: Start isEmpty. Operand 211045 states and 279362 transitions. [2022-12-13 22:02:18,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-12-13 22:02:18,107 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:02:18,107 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 12, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:02:18,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-13 22:02:18,107 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 22:02:18,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:02:18,108 INFO L85 PathProgramCache]: Analyzing trace with hash 2118212884, now seen corresponding path program 1 times [2022-12-13 22:02:18,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:02:18,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959406889] [2022-12-13 22:02:18,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:02:18,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:02:18,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:02:18,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:02:18,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:02:18,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:02:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:02:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:02:18,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:02:18,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:02:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:02:18,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:02:18,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:02:18,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:02:18,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:02:18,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:02:18,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:02:18,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:02:18,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:02:18,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:02:18,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:02:18,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 22:02:18,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 22:02:18,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 22:02:18,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 22:02:18,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:02:18,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 22:02:18,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-12-13 22:02:18,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-12-13 22:02:18,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 22:02:18,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 22:02:18,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-12-13 22:02:18,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 22:02:18,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 22:02:18,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-12-13 22:02:18,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-12-13 22:02:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-12-13 22:02:18,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-12-13 22:02:18,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-12-13 22:02:18,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-12-13 22:02:18,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-12-13 22:02:18,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-12-13 22:02:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-12-13 22:02:18,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-12-13 22:02:18,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-12-13 22:02:18,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:18,443 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 833 trivial. 0 not checked. [2022-12-13 22:02:18,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:02:18,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959406889] [2022-12-13 22:02:18,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959406889] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:02:18,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:02:18,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 22:02:18,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240886900] [2022-12-13 22:02:18,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:02:18,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 22:02:18,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:02:18,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 22:02:18,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 22:02:18,445 INFO L87 Difference]: Start difference. First operand 211045 states and 279362 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-12-13 22:02:47,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:02:47,897 INFO L93 Difference]: Finished difference Result 238507 states and 320472 transitions. [2022-12-13 22:02:47,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 22:02:47,897 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 285 [2022-12-13 22:02:47,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:02:48,724 INFO L225 Difference]: With dead ends: 238507 [2022-12-13 22:02:48,725 INFO L226 Difference]: Without dead ends: 238503 [2022-12-13 22:02:48,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2022-12-13 22:02:48,817 INFO L413 NwaCegarLoop]: 912 mSDtfsCounter, 2915 mSDsluCounter, 2549 mSDsCounter, 0 mSdLazyCounter, 4409 mSolverCounterSat, 1720 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3074 SdHoareTripleChecker+Valid, 3461 SdHoareTripleChecker+Invalid, 6129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1720 IncrementalHoareTripleChecker+Valid, 4409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-12-13 22:02:48,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3074 Valid, 3461 Invalid, 6129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1720 Valid, 4409 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-12-13 22:02:49,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238503 states. [2022-12-13 22:03:11,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238503 to 211047. [2022-12-13 22:03:11,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211047 states, 147006 states have (on average 1.2334394514509612) internal successors, (181323), 150087 states have internal predecessors, (181323), 48914 states have call successors, (48914), 15382 states have call predecessors, (48914), 15124 states have return successors, (49126), 47457 states have call predecessors, (49126), 48910 states have call successors, (49126) [2022-12-13 22:03:11,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211047 states to 211047 states and 279363 transitions. [2022-12-13 22:03:11,820 INFO L78 Accepts]: Start accepts. Automaton has 211047 states and 279363 transitions. Word has length 285 [2022-12-13 22:03:11,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:03:11,820 INFO L495 AbstractCegarLoop]: Abstraction has 211047 states and 279363 transitions. [2022-12-13 22:03:11,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-12-13 22:03:11,821 INFO L276 IsEmpty]: Start isEmpty. Operand 211047 states and 279363 transitions. [2022-12-13 22:03:11,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2022-12-13 22:03:11,823 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:03:11,824 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 13, 12, 12, 9, 9, 9, 9, 9, 9, 6, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:03:11,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-13 22:03:11,824 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 22:03:11,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:03:11,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1293802737, now seen corresponding path program 1 times [2022-12-13 22:03:11,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:03:11,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087129526] [2022-12-13 22:03:11,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:03:11,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:03:11,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:03:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:03:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:03:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:03:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:03:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:03:12,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:03:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:03:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:03:12,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:03:12,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:03:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:03:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:03:12,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:03:12,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:03:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:03:12,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:03:12,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:03:12,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:03:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 22:03:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 22:03:12,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 22:03:12,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 22:03:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:03:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 22:03:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-12-13 22:03:12,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-12-13 22:03:12,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 22:03:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 22:03:12,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-12-13 22:03:12,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 22:03:12,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 22:03:12,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-12-13 22:03:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-12-13 22:03:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-12-13 22:03:12,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-12-13 22:03:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-12-13 22:03:12,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-12-13 22:03:12,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-12-13 22:03:12,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-12-13 22:03:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-12-13 22:03:12,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-12-13 22:03:12,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-12-13 22:03:12,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-12-13 22:03:12,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:12,170 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 877 trivial. 0 not checked. [2022-12-13 22:03:12,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:03:12,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087129526] [2022-12-13 22:03:12,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087129526] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:03:12,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:03:12,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 22:03:12,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497950037] [2022-12-13 22:03:12,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:03:12,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 22:03:12,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:03:12,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 22:03:12,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 22:03:12,172 INFO L87 Difference]: Start difference. First operand 211047 states and 279363 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-12-13 22:03:43,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:03:43,910 INFO L93 Difference]: Finished difference Result 238503 states and 320468 transitions. [2022-12-13 22:03:43,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 22:03:43,912 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 290 [2022-12-13 22:03:43,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:03:44,788 INFO L225 Difference]: With dead ends: 238503 [2022-12-13 22:03:44,788 INFO L226 Difference]: Without dead ends: 236413 [2022-12-13 22:03:44,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2022-12-13 22:03:44,881 INFO L413 NwaCegarLoop]: 912 mSDtfsCounter, 2907 mSDsluCounter, 2549 mSDsCounter, 0 mSdLazyCounter, 4404 mSolverCounterSat, 1716 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3066 SdHoareTripleChecker+Valid, 3461 SdHoareTripleChecker+Invalid, 6120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1716 IncrementalHoareTripleChecker+Valid, 4404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-12-13 22:03:44,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3066 Valid, 3461 Invalid, 6120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1716 Valid, 4404 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-12-13 22:03:45,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236413 states. [2022-12-13 22:04:04,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236413 to 157832. [2022-12-13 22:04:04,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157832 states, 109952 states have (on average 1.2332017607683352) internal successors, (135593), 112147 states have internal predecessors, (135593), 36525 states have call successors, (36525), 11475 states have call predecessors, (36525), 11353 states have return successors, (36684), 35619 states have call predecessors, (36684), 36522 states have call successors, (36684) [2022-12-13 22:04:04,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157832 states to 157832 states and 208802 transitions. [2022-12-13 22:04:04,652 INFO L78 Accepts]: Start accepts. Automaton has 157832 states and 208802 transitions. Word has length 290 [2022-12-13 22:04:04,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:04:04,652 INFO L495 AbstractCegarLoop]: Abstraction has 157832 states and 208802 transitions. [2022-12-13 22:04:04,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-12-13 22:04:04,653 INFO L276 IsEmpty]: Start isEmpty. Operand 157832 states and 208802 transitions. [2022-12-13 22:04:04,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-12-13 22:04:04,655 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:04:04,656 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 9, 9, 9, 9, 9, 9, 6, 6, 6, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:04:04,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-12-13 22:04:04,656 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 22:04:04,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:04,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1621367827, now seen corresponding path program 1 times [2022-12-13 22:04:04,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:04,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567163265] [2022-12-13 22:04:04,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:04,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:04,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:04,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:04:04,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:04,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:04:04,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:04,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:04:04,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:04,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:04:04,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:04,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:04:04,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:04,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:04:04,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:04,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:04:04,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:04,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:04:04,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:04,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:04:04,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:04,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:04:04,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:04,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:04:04,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:04,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:04:04,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:04,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:04:04,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:04,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:04:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:04,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:04:04,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:04,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:04:04,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:04,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:04:04,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:04,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:04:04,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:04,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:04:04,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:04,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 22:04:04,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:04,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 22:04:04,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:04,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 22:04:04,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:04,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 22:04:05,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:05,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:04:05,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:05,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 22:04:05,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:05,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-12-13 22:04:05,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:05,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-12-13 22:04:05,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:05,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-12-13 22:04:05,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:05,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 22:04:05,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:05,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-12-13 22:04:05,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:05,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-12-13 22:04:05,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:05,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 22:04:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:05,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-12-13 22:04:05,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:05,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-12-13 22:04:05,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:05,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-12-13 22:04:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:05,056 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 737 trivial. 0 not checked. [2022-12-13 22:04:05,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:04:05,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567163265] [2022-12-13 22:04:05,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567163265] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:04:05,057 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:04:05,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 22:04:05,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761998463] [2022-12-13 22:04:05,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:04:05,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 22:04:05,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:04:05,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 22:04:05,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 22:04:05,058 INFO L87 Difference]: Start difference. First operand 157832 states and 208802 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-13 22:04:30,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:04:30,602 INFO L93 Difference]: Finished difference Result 178424 states and 239633 transitions. [2022-12-13 22:04:30,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 22:04:30,603 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 263 [2022-12-13 22:04:30,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:04:31,170 INFO L225 Difference]: With dead ends: 178424 [2022-12-13 22:04:31,170 INFO L226 Difference]: Without dead ends: 178422 [2022-12-13 22:04:31,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:04:31,239 INFO L413 NwaCegarLoop]: 1349 mSDtfsCounter, 1894 mSDsluCounter, 3501 mSDsCounter, 0 mSdLazyCounter, 3948 mSolverCounterSat, 792 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2137 SdHoareTripleChecker+Valid, 4850 SdHoareTripleChecker+Invalid, 4740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 792 IncrementalHoareTripleChecker+Valid, 3948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-12-13 22:04:31,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2137 Valid, 4850 Invalid, 4740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [792 Valid, 3948 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-12-13 22:04:31,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178422 states. [2022-12-13 22:04:49,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178422 to 157830. [2022-12-13 22:04:50,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157830 states, 109951 states have (on average 1.231621358605197) internal successors, (135418), 112145 states have internal predecessors, (135418), 36525 states have call successors, (36525), 11475 states have call predecessors, (36525), 11353 states have return successors, (36684), 35619 states have call predecessors, (36684), 36522 states have call successors, (36684) [2022-12-13 22:04:50,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157830 states to 157830 states and 208627 transitions. [2022-12-13 22:04:50,557 INFO L78 Accepts]: Start accepts. Automaton has 157830 states and 208627 transitions. Word has length 263 [2022-12-13 22:04:50,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:04:50,557 INFO L495 AbstractCegarLoop]: Abstraction has 157830 states and 208627 transitions. [2022-12-13 22:04:50,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-13 22:04:50,558 INFO L276 IsEmpty]: Start isEmpty. Operand 157830 states and 208627 transitions. [2022-12-13 22:04:50,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2022-12-13 22:04:50,567 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:04:50,567 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 9, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:04:50,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-12-13 22:04:50,567 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 22:04:50,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:50,568 INFO L85 PathProgramCache]: Analyzing trace with hash 295211062, now seen corresponding path program 1 times [2022-12-13 22:04:50,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:50,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055758688] [2022-12-13 22:04:50,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:50,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:50,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:04:50,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:04:50,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:04:50,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:04:50,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:04:50,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:04:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:04:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:04:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:04:50,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:04:50,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:04:50,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:04:50,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:04:50,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:04:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:04:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:04:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:04:50,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:04:50,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:04:50,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 22:04:50,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 22:04:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 22:04:50,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 22:04:50,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-12-13 22:04:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:04:50,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 22:04:50,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 22:04:50,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-12-13 22:04:50,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:04:50,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:04:50,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 22:04:50,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-12-13 22:04:50,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:04:50,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:04:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 22:04:50,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 22:04:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-12-13 22:04:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-12-13 22:04:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:04:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-12-13 22:04:50,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-12-13 22:04:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-12-13 22:04:50,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-12-13 22:04:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 22:04:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-12-13 22:04:50,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:50,898 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 782 trivial. 0 not checked. [2022-12-13 22:04:50,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:04:50,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055758688] [2022-12-13 22:04:50,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055758688] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:04:50,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:04:50,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 22:04:50,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383310026] [2022-12-13 22:04:50,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:04:50,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 22:04:50,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:04:50,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 22:04:50,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 22:04:50,900 INFO L87 Difference]: Start difference. First operand 157830 states and 208627 transitions. Second operand has 5 states, 4 states have (on average 36.75) internal successors, (147), 3 states have internal predecessors, (147), 4 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 4 states have call successors, (33) [2022-12-13 22:05:23,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:05:23,444 INFO L93 Difference]: Finished difference Result 368964 states and 492042 transitions. [2022-12-13 22:05:23,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 22:05:23,445 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 36.75) internal successors, (147), 3 states have internal predecessors, (147), 4 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 4 states have call successors, (33) Word has length 336 [2022-12-13 22:05:23,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:05:24,176 INFO L225 Difference]: With dead ends: 368964 [2022-12-13 22:05:24,177 INFO L226 Difference]: Without dead ends: 211142 [2022-12-13 22:05:24,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-12-13 22:05:24,553 INFO L413 NwaCegarLoop]: 1736 mSDtfsCounter, 2226 mSDsluCounter, 3077 mSDsCounter, 0 mSdLazyCounter, 3535 mSolverCounterSat, 1582 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2381 SdHoareTripleChecker+Valid, 4813 SdHoareTripleChecker+Invalid, 5117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1582 IncrementalHoareTripleChecker+Valid, 3535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-12-13 22:05:24,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2381 Valid, 4813 Invalid, 5117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1582 Valid, 3535 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-12-13 22:05:24,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211142 states. [2022-12-13 22:05:47,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211142 to 184847. [2022-12-13 22:05:47,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184847 states, 129269 states have (on average 1.2317879770091824) internal successors, (159232), 131784 states have internal predecessors, (159232), 42181 states have call successors, (42181), 13548 states have call predecessors, (42181), 13396 states have return successors, (42274), 41148 states have call predecessors, (42274), 42178 states have call successors, (42274) [2022-12-13 22:05:48,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184847 states to 184847 states and 243687 transitions. [2022-12-13 22:05:48,026 INFO L78 Accepts]: Start accepts. Automaton has 184847 states and 243687 transitions. Word has length 336 [2022-12-13 22:05:48,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:05:48,027 INFO L495 AbstractCegarLoop]: Abstraction has 184847 states and 243687 transitions. [2022-12-13 22:05:48,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 36.75) internal successors, (147), 3 states have internal predecessors, (147), 4 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 4 states have call successors, (33) [2022-12-13 22:05:48,027 INFO L276 IsEmpty]: Start isEmpty. Operand 184847 states and 243687 transitions. [2022-12-13 22:05:48,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2022-12-13 22:05:48,036 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:05:48,037 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 9, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:05:48,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-12-13 22:05:48,037 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 22:05:48,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:05:48,037 INFO L85 PathProgramCache]: Analyzing trace with hash -291065160, now seen corresponding path program 1 times [2022-12-13 22:05:48,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:05:48,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403796697] [2022-12-13 22:05:48,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:05:48,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:05:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 22:05:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:05:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 22:05:48,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:05:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 22:05:48,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:05:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 22:05:48,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:05:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 22:05:48,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:05:48,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 22:05:48,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:05:48,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 22:05:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:05:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 22:05:48,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:05:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 22:05:48,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:05:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 22:05:48,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 22:05:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 22:05:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 22:05:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 22:05:48,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-12-13 22:05:48,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:05:48,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-12-13 22:05:48,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 22:05:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-12-13 22:05:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:05:48,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:05:48,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 22:05:48,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-12-13 22:05:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:05:48,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 22:05:48,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 22:05:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 22:05:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-12-13 22:05:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-12-13 22:05:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:05:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-12-13 22:05:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-12-13 22:05:48,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-12-13 22:05:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-12-13 22:05:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 22:05:48,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-12-13 22:05:48,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:48,292 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 782 trivial. 0 not checked. [2022-12-13 22:05:48,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:05:48,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403796697] [2022-12-13 22:05:48,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403796697] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:05:48,292 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:05:48,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 22:05:48,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041220561] [2022-12-13 22:05:48,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:05:48,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 22:05:48,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:05:48,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 22:05:48,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 22:05:48,294 INFO L87 Difference]: Start difference. First operand 184847 states and 243687 transitions. Second operand has 5 states, 4 states have (on average 36.75) internal successors, (147), 3 states have internal predecessors, (147), 4 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 4 states have call successors, (33)