./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b33c8dab-d0bd-4c12-ba7d-525222e6a566/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b33c8dab-d0bd-4c12-ba7d-525222e6a566/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b33c8dab-d0bd-4c12-ba7d-525222e6a566/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b33c8dab-d0bd-4c12-ba7d-525222e6a566/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b33c8dab-d0bd-4c12-ba7d-525222e6a566/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b33c8dab-d0bd-4c12-ba7d-525222e6a566/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3d612e3d3aaa54cbaaae78896c02f6ca9c3968df93584b0bde88897a60cfa04a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 18:07:37,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:07:37,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:07:37,066 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:07:37,067 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:07:37,068 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:07:37,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:07:37,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:07:37,073 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:07:37,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:07:37,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:07:37,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:07:37,076 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:07:37,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:07:37,079 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:07:37,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:07:37,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:07:37,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:07:37,084 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:07:37,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:07:37,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:07:37,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:07:37,090 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:07:37,091 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:07:37,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:07:37,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:07:37,096 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:07:37,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:07:37,097 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:07:37,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:07:37,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:07:37,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:07:37,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:07:37,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:07:37,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:07:37,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:07:37,104 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:07:37,105 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:07:37,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:07:37,106 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:07:37,107 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:07:37,108 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b33c8dab-d0bd-4c12-ba7d-525222e6a566/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-25 18:07:37,133 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:07:37,133 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:07:37,134 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:07:37,134 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:07:37,135 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:07:37,135 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:07:37,136 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:07:37,136 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:07:37,137 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:07:37,137 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:07:37,137 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:07:37,137 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:07:37,138 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:07:37,138 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:07:37,138 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:07:37,138 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:07:37,138 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:07:37,139 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:07:37,139 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:07:37,139 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:07:37,139 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:07:37,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:07:37,140 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:07:37,140 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:07:37,140 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:07:37,140 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:07:37,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:07:37,141 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:07:37,141 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:07:37,141 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:07:37,141 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:07:37,142 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_b33c8dab-d0bd-4c12-ba7d-525222e6a566/bin/uautomizer-ZsLfNo2U6R/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b33c8dab-d0bd-4c12-ba7d-525222e6a566/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d612e3d3aaa54cbaaae78896c02f6ca9c3968df93584b0bde88897a60cfa04a [2022-11-25 18:07:37,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:07:37,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:07:37,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:07:37,481 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:07:37,481 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:07:37,482 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b33c8dab-d0bd-4c12-ba7d-525222e6a566/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i [2022-11-25 18:07:40,637 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:07:41,408 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:07:41,408 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b33c8dab-d0bd-4c12-ba7d-525222e6a566/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i [2022-11-25 18:07:41,462 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b33c8dab-d0bd-4c12-ba7d-525222e6a566/bin/uautomizer-ZsLfNo2U6R/data/57659b278/35ecce8f15e247f2be712903dd2da826/FLAG2cf620aa5 [2022-11-25 18:07:41,481 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b33c8dab-d0bd-4c12-ba7d-525222e6a566/bin/uautomizer-ZsLfNo2U6R/data/57659b278/35ecce8f15e247f2be712903dd2da826 [2022-11-25 18:07:41,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:07:41,487 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:07:41,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:07:41,490 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:07:41,494 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:07:41,494 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:07:41" (1/1) ... [2022-11-25 18:07:41,496 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c6f0db0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:41, skipping insertion in model container [2022-11-25 18:07:41,496 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:07:41" (1/1) ... [2022-11-25 18:07:41,503 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:07:41,683 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:07:42,667 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 18:07:42,684 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-25 18:07:42,701 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 18:07:42,716 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-25 18:07:42,732 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 18:07:43,007 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 18:07:43,016 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 18:07:43,017 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 18:07:43,027 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 18:07:43,038 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-11-25 18:07:43,049 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-11-25 18:07:43,085 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-25 18:07:43,094 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 18:07:43,099 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-25 18:07:43,133 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 18:07:43,197 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 18:07:43,199 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 18:07:43,210 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 18:07:43,211 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:07:43,238 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-25 18:07:43,243 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-25 18:07:43,361 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 18:07:43,520 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,522 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:07:43,527 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,536 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:07:43,549 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 18:07:43,552 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 18:07:43,553 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 18:07:43,557 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:07:43,558 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-25 18:07:43,561 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-11-25 18:07:43,563 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 18:07:43,566 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,567 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 18:07:43,571 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 18:07:43,573 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 18:07:43,575 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:07:43,578 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 18:07:43,580 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,582 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:07:43,583 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 18:07:43,584 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 18:07:43,592 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 18:07:43,593 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 18:07:43,594 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:07:43,599 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:07:43,600 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,601 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,605 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,605 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,606 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:07:43,612 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,612 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:07:43,613 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,613 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:07:43,614 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,621 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,622 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,623 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,624 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,627 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 18:07:43,628 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,629 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,638 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,640 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,641 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,641 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,642 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:07:43,643 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 18:07:43,644 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 18:07:43,644 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 18:07:43,649 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:07:43,651 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:07:43,652 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:07:43,654 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:07:43,656 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:07:43,700 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:07:43,702 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:07:43,706 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:07:43,708 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,714 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 18:07:43,719 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,721 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,722 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:07:43,728 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,731 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,732 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,733 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,733 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,733 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,735 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,736 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:07:43,738 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:07:43,738 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:07:43,740 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:07:43,741 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:07:43,744 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:07:43,745 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:07:43,746 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:07:43,749 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:07:43,774 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,782 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,786 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,786 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:07:43,787 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,787 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:07:43,788 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,789 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:07:43,789 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:07:43,791 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,805 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:07:43,807 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:07:43,818 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 18:07:43,819 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:07:43,820 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:07:43,821 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:07:43,821 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:07:43,822 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,825 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:07:43,825 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:07:43,833 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:07:43,835 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,836 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:07:43,837 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:07:43,838 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:07:43,840 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:07:43,841 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 18:07:43,841 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 18:07:43,843 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:07:43,844 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:07:43,850 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 18:07:43,851 WARN L623 FunctionHandler]: Unknown extern function bitrev32 [2022-11-25 18:07:43,852 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,853 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,853 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,859 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 18:07:43,860 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 18:07:43,861 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 18:07:43,867 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_gset [2022-11-25 18:07:43,872 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_sset [2022-11-25 18:07:43,878 WARN L623 FunctionHandler]: Unknown extern function mii_nway_restart [2022-11-25 18:07:43,883 WARN L623 FunctionHandler]: Unknown extern function mii_link_ok [2022-11-25 18:07:43,895 WARN L623 FunctionHandler]: Unknown extern function generic_mii_ioctl [2022-11-25 18:07:43,896 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:43,897 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:07:43,899 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:07:43,907 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:07:44,169 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-11-25 18:07:44,170 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-11-25 18:07:44,173 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-25 18:07:44,182 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 18:07:44,186 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 18:07:44,189 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 18:07:44,235 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 18:07:44,242 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-25 18:07:44,256 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 18:07:44,257 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 18:07:44,258 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-25 18:07:44,260 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 18:07:44,260 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 18:07:44,261 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 18:07:44,265 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 18:07:44,267 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 18:07:44,267 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 18:07:44,270 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 18:07:44,270 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 18:07:44,271 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 18:07:44,272 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 18:07:44,273 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 18:07:44,274 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 18:07:44,276 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 18:07:44,276 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 18:07:44,324 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-25 18:07:44,324 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 18:07:44,332 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:07:44,829 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_b33c8dab-d0bd-4c12-ba7d-525222e6a566/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[319618,319631] [2022-11-25 18:07:44,834 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_b33c8dab-d0bd-4c12-ba7d-525222e6a566/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[319787,319800] [2022-11-25 18:07:44,835 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_b33c8dab-d0bd-4c12-ba7d-525222e6a566/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[319954,319967] [2022-11-25 18:07:44,835 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_b33c8dab-d0bd-4c12-ba7d-525222e6a566/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[320122,320135] [2022-11-25 18:07:44,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:07:44,922 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:07:45,067 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 18:07:45,068 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-25 18:07:45,068 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 18:07:45,068 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-25 18:07:45,069 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 18:07:45,076 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 18:07:45,078 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 18:07:45,079 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 18:07:45,080 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 18:07:45,081 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-11-25 18:07:45,082 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-11-25 18:07:45,085 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-25 18:07:45,086 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 18:07:45,087 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-25 18:07:45,088 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 18:07:45,089 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 18:07:45,090 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 18:07:45,091 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 18:07:45,091 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:07:45,092 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-25 18:07:45,092 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-25 18:07:45,139 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 18:07:45,141 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,141 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:07:45,142 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,142 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:07:45,144 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 18:07:45,145 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 18:07:45,145 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 18:07:45,146 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 18:07:45,146 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-25 18:07:45,147 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-11-25 18:07:45,148 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 18:07:45,149 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,149 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 18:07:45,165 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 18:07:45,167 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-25 18:07:45,167 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:07:45,168 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 18:07:45,170 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,171 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:07:45,171 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 18:07:45,172 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 18:07:45,173 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 18:07:45,175 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 18:07:45,176 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:07:45,176 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:07:45,177 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,177 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,178 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,178 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,178 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:07:45,179 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,180 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:07:45,180 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,180 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:07:45,182 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,183 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,184 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,184 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,186 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,187 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 18:07:45,187 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,188 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,189 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,189 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,190 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,190 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,191 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:07:45,191 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 18:07:45,192 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 18:07:45,192 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 18:07:45,193 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:07:45,193 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:07:45,194 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 18:07:45,195 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:07:45,196 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:07:45,205 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:07:45,206 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:07:45,206 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:07:45,207 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,207 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 18:07:45,208 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,208 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,211 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:07:45,211 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,212 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,212 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,213 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,213 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,213 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,214 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,214 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:07:45,216 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:07:45,216 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:07:45,216 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:07:45,217 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:07:45,219 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:07:45,223 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:07:45,224 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:07:45,225 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:07:45,244 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,248 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,249 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,249 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:07:45,250 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,251 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:07:45,252 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,255 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:07:45,255 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:07:45,256 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,260 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:07:45,261 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:07:45,263 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 18:07:45,264 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:07:45,264 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:07:45,264 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:07:45,265 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:07:45,265 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,266 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:07:45,267 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:07:45,268 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:07:45,269 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,271 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:07:45,272 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:07:45,272 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:07:45,273 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 18:07:45,273 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 18:07:45,273 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 18:07:45,276 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:07:45,276 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 18:07:45,278 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 18:07:45,278 WARN L623 FunctionHandler]: Unknown extern function bitrev32 [2022-11-25 18:07:45,279 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,280 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,280 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,281 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 18:07:45,285 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 18:07:45,285 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 18:07:45,286 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_gset [2022-11-25 18:07:45,286 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_sset [2022-11-25 18:07:45,287 WARN L623 FunctionHandler]: Unknown extern function mii_nway_restart [2022-11-25 18:07:45,287 WARN L623 FunctionHandler]: Unknown extern function mii_link_ok [2022-11-25 18:07:45,288 WARN L623 FunctionHandler]: Unknown extern function generic_mii_ioctl [2022-11-25 18:07:45,290 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 18:07:45,291 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:07:45,292 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 18:07:45,294 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 18:07:45,302 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-11-25 18:07:45,302 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-11-25 18:07:45,303 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-25 18:07:45,309 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 18:07:45,312 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 18:07:45,312 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 18:07:45,321 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 18:07:45,323 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-25 18:07:45,332 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 18:07:45,332 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 18:07:45,340 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-25 18:07:45,340 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 18:07:45,342 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 18:07:45,342 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 18:07:45,342 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 18:07:45,343 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 18:07:45,343 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 18:07:45,344 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 18:07:45,344 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 18:07:45,344 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-11-25 18:07:45,345 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 18:07:45,346 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 18:07:45,346 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 18:07:45,346 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 18:07:45,347 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 18:07:45,352 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-25 18:07:45,352 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 18:07:45,352 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 18:07:45,374 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_b33c8dab-d0bd-4c12-ba7d-525222e6a566/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[319618,319631] [2022-11-25 18:07:45,374 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_b33c8dab-d0bd-4c12-ba7d-525222e6a566/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[319787,319800] [2022-11-25 18:07:45,375 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_b33c8dab-d0bd-4c12-ba7d-525222e6a566/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[319954,319967] [2022-11-25 18:07:45,375 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_b33c8dab-d0bd-4c12-ba7d-525222e6a566/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[320122,320135] [2022-11-25 18:07:45,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:07:45,639 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:07:45,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:45 WrapperNode [2022-11-25 18:07:45,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:07:45,641 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:07:45,641 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:07:45,641 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:07:45,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:45" (1/1) ... [2022-11-25 18:07:45,748 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:45" (1/1) ... [2022-11-25 18:07:45,935 INFO L138 Inliner]: procedures = 434, calls = 1806, calls flagged for inlining = 214, calls inlined = 197, statements flattened = 4286 [2022-11-25 18:07:45,936 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:07:45,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:07:45,936 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:07:45,936 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:07:45,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:45" (1/1) ... [2022-11-25 18:07:45,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:45" (1/1) ... [2022-11-25 18:07:45,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:45" (1/1) ... [2022-11-25 18:07:45,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:45" (1/1) ... [2022-11-25 18:07:46,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:45" (1/1) ... [2022-11-25 18:07:46,141 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:45" (1/1) ... [2022-11-25 18:07:46,169 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:45" (1/1) ... [2022-11-25 18:07:46,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:45" (1/1) ... [2022-11-25 18:07:46,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:07:46,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:07:46,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:07:46,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:07:46,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:45" (1/1) ... [2022-11-25 18:07:46,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:07:46,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b33c8dab-d0bd-4c12-ba7d-525222e6a566/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:07:46,255 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b33c8dab-d0bd-4c12-ba7d-525222e6a566/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:07:46,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b33c8dab-d0bd-4c12-ba7d-525222e6a566/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:07:46,309 INFO L130 BoogieDeclarations]: Found specification of procedure getlinkstatus [2022-11-25 18:07:46,309 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinkstatus [2022-11-25 18:07:46,309 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2022-11-25 18:07:46,309 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2022-11-25 18:07:46,309 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-25 18:07:46,309 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-25 18:07:46,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-25 18:07:46,309 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-25 18:07:46,310 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-25 18:07:46,310 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-25 18:07:46,310 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-25 18:07:46,310 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-25 18:07:46,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 18:07:46,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 18:07:46,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-25 18:07:46,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-25 18:07:46,311 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-25 18:07:46,311 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-25 18:07:46,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_79 [2022-11-25 18:07:46,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_79 [2022-11-25 18:07:46,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_67 [2022-11-25 18:07:46,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_67 [2022-11-25 18:07:46,311 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-25 18:07:46,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-25 18:07:46,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-25 18:07:46,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-25 18:07:46,313 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-25 18:07:46,313 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-25 18:07:46,313 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-25 18:07:46,313 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-25 18:07:46,313 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_tx_timeout [2022-11-25 18:07:46,313 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_tx_timeout [2022-11-25 18:07:46,313 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-25 18:07:46,314 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-25 18:07:46,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-25 18:07:46,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-25 18:07:46,314 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-25 18:07:46,314 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-25 18:07:46,314 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2022-11-25 18:07:46,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2022-11-25 18:07:46,314 INFO L130 BoogieDeclarations]: Found specification of procedure getlinktype [2022-11-25 18:07:46,315 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinktype [2022-11-25 18:07:46,315 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-25 18:07:46,315 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-25 18:07:46,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:07:46,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-25 18:07:46,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-25 18:07:46,315 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-25 18:07:46,315 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-25 18:07:46,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 18:07:46,316 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rx_descriptors [2022-11-25 18:07:46,316 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rx_descriptors [2022-11-25 18:07:46,316 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-25 18:07:46,316 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-25 18:07:46,316 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_remove_one [2022-11-25 18:07:46,317 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_remove_one [2022-11-25 18:07:46,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 18:07:46,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-25 18:07:46,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-25 18:07:46,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 18:07:46,317 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-11-25 18:07:46,318 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-11-25 18:07:46,318 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-25 18:07:46,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-25 18:07:46,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-25 18:07:46,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-25 18:07:46,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-25 18:07:46,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-25 18:07:46,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-25 18:07:46,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-25 18:07:46,319 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-25 18:07:46,319 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-25 18:07:46,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-25 18:07:46,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-25 18:07:46,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 18:07:46,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-25 18:07:46,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-25 18:07:46,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-25 18:07:46,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-25 18:07:46,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:07:46,320 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2022-11-25 18:07:46,320 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2022-11-25 18:07:46,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-25 18:07:46,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-25 18:07:46,320 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-25 18:07:46,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-25 18:07:46,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 18:07:46,321 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 18:07:46,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 18:07:46,321 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-25 18:07:46,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-25 18:07:46,321 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-25 18:07:46,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-25 18:07:46,321 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-25 18:07:46,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-25 18:07:46,322 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-25 18:07:46,322 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-25 18:07:46,322 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-25 18:07:46,322 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-25 18:07:46,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-25 18:07:46,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-25 18:07:46,322 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rx [2022-11-25 18:07:46,322 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rx [2022-11-25 18:07:46,323 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-11-25 18:07:46,323 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-11-25 18:07:46,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:07:46,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:07:46,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 18:07:46,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 18:07:46,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 18:07:46,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 18:07:46,323 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2022-11-25 18:07:46,324 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2022-11-25 18:07:46,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-25 18:07:46,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-25 18:07:46,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-25 18:07:46,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-25 18:07:46,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2022-11-25 18:07:46,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2022-11-25 18:07:46,324 INFO L130 BoogieDeclarations]: Found specification of procedure enable_rxtx [2022-11-25 18:07:46,325 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_rxtx [2022-11-25 18:07:46,325 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-25 18:07:46,325 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-25 18:07:46,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 18:07:46,326 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 18:07:46,326 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-25 18:07:46,326 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-25 18:07:46,326 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-25 18:07:46,326 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-25 18:07:46,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_78 [2022-11-25 18:07:46,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_78 [2022-11-25 18:07:46,327 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-25 18:07:46,327 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-25 18:07:46,327 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-25 18:07:46,327 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-25 18:07:46,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:07:46,327 INFO L130 BoogieDeclarations]: Found specification of procedure reset_and_disable_rxtx [2022-11-25 18:07:46,327 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_and_disable_rxtx [2022-11-25 18:07:46,327 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-25 18:07:46,328 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-25 18:07:46,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 18:07:46,328 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-25 18:07:46,328 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-25 18:07:46,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 18:07:46,328 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-25 18:07:46,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-25 18:07:46,328 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-25 18:07:46,328 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-25 18:07:46,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2022-11-25 18:07:46,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2022-11-25 18:07:46,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-25 18:07:46,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-25 18:07:46,329 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2022-11-25 18:07:46,329 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2022-11-25 18:07:46,329 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-25 18:07:46,329 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-25 18:07:46,329 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-25 18:07:46,330 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-25 18:07:46,330 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-25 18:07:46,330 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-25 18:07:46,330 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rxtx [2022-11-25 18:07:46,330 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rxtx [2022-11-25 18:07:46,330 INFO L130 BoogieDeclarations]: Found specification of procedure m80x_send_cmd_to_phy [2022-11-25 18:07:46,330 INFO L138 BoogieDeclarations]: Found implementation of procedure m80x_send_cmd_to_phy [2022-11-25 18:07:46,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 18:07:46,330 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffers [2022-11-25 18:07:46,331 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffers [2022-11-25 18:07:46,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 18:07:46,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 18:07:46,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-25 18:07:46,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-25 18:07:46,331 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-25 18:07:46,331 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-25 18:07:46,331 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-25 18:07:46,332 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-25 18:07:46,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:07:46,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-25 18:07:46,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-25 18:07:46,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2022-11-25 18:07:46,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2022-11-25 18:07:47,354 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:07:47,360 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:07:48,239 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 18:07:51,065 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-25 18:07:51,148 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:07:51,177 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:07:51,178 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 18:07:51,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:07:51 BoogieIcfgContainer [2022-11-25 18:07:51,184 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:07:51,188 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:07:51,188 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:07:51,192 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:07:51,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:07:41" (1/3) ... [2022-11-25 18:07:51,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d376b41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:07:51, skipping insertion in model container [2022-11-25 18:07:51,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:45" (2/3) ... [2022-11-25 18:07:51,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d376b41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:07:51, skipping insertion in model container [2022-11-25 18:07:51,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:07:51" (3/3) ... [2022-11-25 18:07:51,197 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i [2022-11-25 18:07:51,223 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:07:51,223 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-25 18:07:51,330 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 18:07:51,338 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;@5abceb2e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:07:51,338 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-25 18:07:51,351 INFO L276 IsEmpty]: Start isEmpty. Operand has 1564 states, 1091 states have (on average 1.2804766269477543) internal successors, (1397), 1112 states have internal predecessors, (1397), 389 states have call successors, (389), 82 states have call predecessors, (389), 81 states have return successors, (383), 380 states have call predecessors, (383), 383 states have call successors, (383) [2022-11-25 18:07:51,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-11-25 18:07:51,373 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:07:51,374 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] [2022-11-25 18:07:51,375 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 18:07:51,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:07:51,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1432777082, now seen corresponding path program 1 times [2022-11-25 18:07:51,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:07:51,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704271455] [2022-11-25 18:07:51,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:07:51,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:07:51,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:52,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:07:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:52,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:07:52,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:52,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:07:52,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:52,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:07:52,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:52,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:07:52,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:52,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:07:52,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:52,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 18:07:52,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:52,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:07:52,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:52,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 18:07:52,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:52,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:07:52,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:52,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 18:07:52,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:52,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:07:52,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:52,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 18:07:52,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:52,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:07:52,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:52,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 18:07:52,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:52,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:07:52,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:52,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-25 18:07:52,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:52,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:07:52,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:52,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-25 18:07:52,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:52,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-25 18:07:52,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:52,495 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-11-25 18:07:52,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:07:52,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704271455] [2022-11-25 18:07:52,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704271455] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:07:52,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:07:52,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:07:52,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493679161] [2022-11-25 18:07:52,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:07:52,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:07:52,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:07:52,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:07:52,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:07:52,568 INFO L87 Difference]: Start difference. First operand has 1564 states, 1091 states have (on average 1.2804766269477543) internal successors, (1397), 1112 states have internal predecessors, (1397), 389 states have call successors, (389), 82 states have call predecessors, (389), 81 states have return successors, (383), 380 states have call predecessors, (383), 383 states have call successors, (383) 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) [2022-11-25 18:07:58,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:07:58,687 INFO L93 Difference]: Finished difference Result 4647 states and 6615 transitions. [2022-11-25 18:07:58,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:07:58,690 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 [2022-11-25 18:07:58,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:07:58,739 INFO L225 Difference]: With dead ends: 4647 [2022-11-25 18:07:58,740 INFO L226 Difference]: Without dead ends: 3096 [2022-11-25 18:07:58,757 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 [2022-11-25 18:07:58,762 INFO L413 NwaCegarLoop]: 1623 mSDtfsCounter, 2889 mSDsluCounter, 1968 mSDsCounter, 0 mSdLazyCounter, 2404 mSolverCounterSat, 1028 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3231 SdHoareTripleChecker+Valid, 3591 SdHoareTripleChecker+Invalid, 3432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1028 IncrementalHoareTripleChecker+Valid, 2404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-11-25 18:07:58,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3231 Valid, 3591 Invalid, 3432 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1028 Valid, 2404 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-11-25 18:07:58,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3096 states. [2022-11-25 18:07:59,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3096 to 2996. [2022-11-25 18:07:59,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2996 states, 2111 states have (on average 1.271435338702037) internal successors, (2684), 2152 states have internal predecessors, (2684), 724 states have call successors, (724), 159 states have call predecessors, (724), 158 states have return successors, (720), 714 states have call predecessors, (720), 720 states have call successors, (720) [2022-11-25 18:07:59,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2996 states to 2996 states and 4128 transitions. [2022-11-25 18:07:59,137 INFO L78 Accepts]: Start accepts. Automaton has 2996 states and 4128 transitions. Word has length 127 [2022-11-25 18:07:59,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:07:59,141 INFO L495 AbstractCegarLoop]: Abstraction has 2996 states and 4128 transitions. [2022-11-25 18:07:59,141 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) [2022-11-25 18:07:59,141 INFO L276 IsEmpty]: Start isEmpty. Operand 2996 states and 4128 transitions. [2022-11-25 18:07:59,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-25 18:07:59,153 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:07:59,153 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] [2022-11-25 18:07:59,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 18:07:59,154 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 18:07:59,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:07:59,155 INFO L85 PathProgramCache]: Analyzing trace with hash 323343484, now seen corresponding path program 1 times [2022-11-25 18:07:59,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:07:59,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228496447] [2022-11-25 18:07:59,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:07:59,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:07:59,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:59,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:07:59,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:59,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:07:59,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:59,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:07:59,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:59,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:07:59,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:59,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:07:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:59,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:07:59,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:59,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 18:07:59,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:59,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:07:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:59,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 18:07:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:59,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:07:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:59,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 18:07:59,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:59,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:07:59,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:59,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 18:07:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:59,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:07:59,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:59,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 18:07:59,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:59,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:07:59,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:59,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-25 18:07:59,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:59,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:07:59,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:59,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-25 18:07:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:59,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-25 18:07:59,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:59,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-25 18:07:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:07:59,671 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-11-25 18:07:59,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:07:59,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228496447] [2022-11-25 18:07:59,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228496447] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:07:59,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:07:59,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:07:59,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150960743] [2022-11-25 18:07:59,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:07:59,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:07:59,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:07:59,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:07:59,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:07:59,679 INFO L87 Difference]: Start difference. First operand 2996 states and 4128 transitions. 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, (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) [2022-11-25 18:08:05,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:08:05,338 INFO L93 Difference]: Finished difference Result 8646 states and 11935 transitions. [2022-11-25 18:08:05,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:08:05,339 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, (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 129 [2022-11-25 18:08:05,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:08:05,389 INFO L225 Difference]: With dead ends: 8646 [2022-11-25 18:08:05,390 INFO L226 Difference]: Without dead ends: 5673 [2022-11-25 18:08:05,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:08:05,409 INFO L413 NwaCegarLoop]: 1614 mSDtfsCounter, 2608 mSDsluCounter, 2024 mSDsCounter, 0 mSdLazyCounter, 2311 mSolverCounterSat, 1039 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2901 SdHoareTripleChecker+Valid, 3638 SdHoareTripleChecker+Invalid, 3350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1039 IncrementalHoareTripleChecker+Valid, 2311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:08:05,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2901 Valid, 3638 Invalid, 3350 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1039 Valid, 2311 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-11-25 18:08:05,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5673 states. [2022-11-25 18:08:05,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5673 to 5475. [2022-11-25 18:08:05,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5475 states, 3850 states have (on average 1.2657142857142858) internal successors, (4873), 3930 states have internal predecessors, (4873), 1309 states have call successors, (1309), 308 states have call predecessors, (1309), 313 states have return successors, (1337), 1284 states have call predecessors, (1337), 1305 states have call successors, (1337) [2022-11-25 18:08:05,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5475 states to 5475 states and 7519 transitions. [2022-11-25 18:08:05,787 INFO L78 Accepts]: Start accepts. Automaton has 5475 states and 7519 transitions. Word has length 129 [2022-11-25 18:08:05,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:08:05,790 INFO L495 AbstractCegarLoop]: Abstraction has 5475 states and 7519 transitions. [2022-11-25 18:08:05,790 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, (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) [2022-11-25 18:08:05,790 INFO L276 IsEmpty]: Start isEmpty. Operand 5475 states and 7519 transitions. [2022-11-25 18:08:05,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-25 18:08:05,802 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:08:05,802 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] [2022-11-25 18:08:05,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 18:08:05,803 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 18:08:05,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:08:05,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1212877966, now seen corresponding path program 1 times [2022-11-25 18:08:05,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:08:05,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899784752] [2022-11-25 18:08:05,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:08:05,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:08:05,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:06,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:08:06,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:06,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:06,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:06,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:08:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:06,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:06,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:06,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:08:06,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:06,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:06,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 18:08:06,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:06,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:06,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:06,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 18:08:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:06,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:06,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 18:08:06,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:06,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:06,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:06,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 18:08:06,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:06,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:06,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 18:08:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:06,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:06,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:06,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-25 18:08:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:06,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:06,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:06,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-25 18:08:06,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:06,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-25 18:08:06,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:06,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-25 18:08:06,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:06,297 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-11-25 18:08:06,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:08:06,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899784752] [2022-11-25 18:08:06,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899784752] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:08:06,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:08:06,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:08:06,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968103749] [2022-11-25 18:08:06,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:08:06,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:08:06,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:08:06,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:08:06,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:08:06,301 INFO L87 Difference]: Start difference. First operand 5475 states and 7519 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (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) [2022-11-25 18:08:12,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:08:12,122 INFO L93 Difference]: Finished difference Result 16373 states and 22554 transitions. [2022-11-25 18:08:12,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:08:12,123 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (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 132 [2022-11-25 18:08:12,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:08:12,237 INFO L225 Difference]: With dead ends: 16373 [2022-11-25 18:08:12,237 INFO L226 Difference]: Without dead ends: 10921 [2022-11-25 18:08:12,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:08:12,271 INFO L413 NwaCegarLoop]: 1685 mSDtfsCounter, 2630 mSDsluCounter, 2046 mSDsCounter, 0 mSdLazyCounter, 2476 mSolverCounterSat, 1020 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2945 SdHoareTripleChecker+Valid, 3731 SdHoareTripleChecker+Invalid, 3496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1020 IncrementalHoareTripleChecker+Valid, 2476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:08:12,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2945 Valid, 3731 Invalid, 3496 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1020 Valid, 2476 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-11-25 18:08:12,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10921 states. [2022-11-25 18:08:12,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10921 to 10541. [2022-11-25 18:08:12,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10541 states, 7452 states have (on average 1.2685185185185186) internal successors, (9453), 7614 states have internal predecessors, (9453), 2479 states have call successors, (2479), 608 states have call predecessors, (2479), 607 states have return successors, (2539), 2414 states have call predecessors, (2539), 2475 states have call successors, (2539) [2022-11-25 18:08:13,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10541 states to 10541 states and 14471 transitions. [2022-11-25 18:08:13,005 INFO L78 Accepts]: Start accepts. Automaton has 10541 states and 14471 transitions. Word has length 132 [2022-11-25 18:08:13,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:08:13,008 INFO L495 AbstractCegarLoop]: Abstraction has 10541 states and 14471 transitions. [2022-11-25 18:08:13,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (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) [2022-11-25 18:08:13,010 INFO L276 IsEmpty]: Start isEmpty. Operand 10541 states and 14471 transitions. [2022-11-25 18:08:13,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-25 18:08:13,013 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:08:13,013 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] [2022-11-25 18:08:13,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 18:08:13,014 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 18:08:13,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:08:13,014 INFO L85 PathProgramCache]: Analyzing trace with hash 354134420, now seen corresponding path program 1 times [2022-11-25 18:08:13,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:08:13,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059309602] [2022-11-25 18:08:13,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:08:13,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:08:13,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:13,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:08:13,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:13,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:13,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:13,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:08:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:13,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:13,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:13,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:08:13,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:13,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:13,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:13,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 18:08:13,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:13,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:13,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 18:08:13,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:13,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:13,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 18:08:13,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:13,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:13,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 18:08:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:13,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:13,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:13,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 18:08:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:13,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:13,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:13,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-25 18:08:13,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:13,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:13,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:13,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-25 18:08:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:13,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-25 18:08:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:13,444 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-11-25 18:08:13,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:08:13,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059309602] [2022-11-25 18:08:13,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059309602] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:08:13,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:08:13,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:08:13,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071103718] [2022-11-25 18:08:13,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:08:13,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:08:13,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:08:13,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:08:13,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:08:13,449 INFO L87 Difference]: Start difference. First operand 10541 states and 14471 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-25 18:08:18,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:08:18,928 INFO L93 Difference]: Finished difference Result 30709 states and 42346 transitions. [2022-11-25 18:08:18,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:08:18,929 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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 134 [2022-11-25 18:08:18,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:08:19,053 INFO L225 Difference]: With dead ends: 30709 [2022-11-25 18:08:19,053 INFO L226 Difference]: Without dead ends: 20191 [2022-11-25 18:08:19,096 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 [2022-11-25 18:08:19,097 INFO L413 NwaCegarLoop]: 1593 mSDtfsCounter, 2637 mSDsluCounter, 1949 mSDsCounter, 0 mSdLazyCounter, 2395 mSolverCounterSat, 1057 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2954 SdHoareTripleChecker+Valid, 3542 SdHoareTripleChecker+Invalid, 3452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1057 IncrementalHoareTripleChecker+Valid, 2395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-25 18:08:19,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2954 Valid, 3542 Invalid, 3452 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1057 Valid, 2395 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-11-25 18:08:19,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20191 states. [2022-11-25 18:08:20,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20191 to 19459. [2022-11-25 18:08:20,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19459 states, 13642 states have (on average 1.269828470898695) internal successors, (17323), 13956 states have internal predecessors, (17323), 4645 states have call successors, (4645), 1174 states have call predecessors, (4645), 1169 states have return successors, (4769), 4504 states have call predecessors, (4769), 4641 states have call successors, (4769) [2022-11-25 18:08:20,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19459 states to 19459 states and 26737 transitions. [2022-11-25 18:08:20,385 INFO L78 Accepts]: Start accepts. Automaton has 19459 states and 26737 transitions. Word has length 134 [2022-11-25 18:08:20,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:08:20,388 INFO L495 AbstractCegarLoop]: Abstraction has 19459 states and 26737 transitions. [2022-11-25 18:08:20,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-25 18:08:20,388 INFO L276 IsEmpty]: Start isEmpty. Operand 19459 states and 26737 transitions. [2022-11-25 18:08:20,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-25 18:08:20,391 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:08:20,391 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] [2022-11-25 18:08:20,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 18:08:20,392 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 18:08:20,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:08:20,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1040084251, now seen corresponding path program 1 times [2022-11-25 18:08:20,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:08:20,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640771191] [2022-11-25 18:08:20,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:08:20,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:08:20,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:20,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:08:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:20,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:20,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:20,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:08:20,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:20,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:20,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:20,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:08:20,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:20,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:20,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:20,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 18:08:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:20,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:20,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:20,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 18:08:20,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:20,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:20,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 18:08:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:20,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:20,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 18:08:21,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:21,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:21,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:21,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 18:08:21,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:21,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:21,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:21,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-25 18:08:21,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:21,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:21,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-25 18:08:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:21,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-25 18:08:21,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:21,164 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-11-25 18:08:21,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:08:21,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640771191] [2022-11-25 18:08:21,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640771191] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:08:21,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:08:21,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 18:08:21,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239004072] [2022-11-25 18:08:21,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:08:21,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 18:08:21,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:08:21,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 18:08:21,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:08:21,167 INFO L87 Difference]: Start difference. First operand 19459 states and 26737 transitions. Second operand has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-25 18:08:30,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:08:30,456 INFO L93 Difference]: Finished difference Result 41999 states and 57509 transitions. [2022-11-25 18:08:30,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:08:30,457 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 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 134 [2022-11-25 18:08:30,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:08:30,687 INFO L225 Difference]: With dead ends: 41999 [2022-11-25 18:08:30,688 INFO L226 Difference]: Without dead ends: 22563 [2022-11-25 18:08:30,764 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 [2022-11-25 18:08:30,766 INFO L413 NwaCegarLoop]: 1992 mSDtfsCounter, 5938 mSDsluCounter, 2801 mSDsCounter, 0 mSdLazyCounter, 5284 mSolverCounterSat, 2275 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6540 SdHoareTripleChecker+Valid, 4793 SdHoareTripleChecker+Invalid, 7559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2275 IncrementalHoareTripleChecker+Valid, 5284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-11-25 18:08:30,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6540 Valid, 4793 Invalid, 7559 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2275 Valid, 5284 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2022-11-25 18:08:30,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22563 states. [2022-11-25 18:08:31,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22563 to 21512. [2022-11-25 18:08:32,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21512 states, 15138 states have (on average 1.256440745144669) internal successors, (19020), 15492 states have internal predecessors, (19020), 4989 states have call successors, (4989), 1410 states have call predecessors, (4989), 1382 states have return successors, (5049), 4800 states have call predecessors, (5049), 4985 states have call successors, (5049) [2022-11-25 18:08:32,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21512 states to 21512 states and 29058 transitions. [2022-11-25 18:08:32,147 INFO L78 Accepts]: Start accepts. Automaton has 21512 states and 29058 transitions. Word has length 134 [2022-11-25 18:08:32,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:08:32,147 INFO L495 AbstractCegarLoop]: Abstraction has 21512 states and 29058 transitions. [2022-11-25 18:08:32,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-25 18:08:32,148 INFO L276 IsEmpty]: Start isEmpty. Operand 21512 states and 29058 transitions. [2022-11-25 18:08:32,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-11-25 18:08:32,152 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:08:32,152 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, 1] [2022-11-25 18:08:32,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 18:08:32,154 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 18:08:32,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:08:32,155 INFO L85 PathProgramCache]: Analyzing trace with hash 815690924, now seen corresponding path program 1 times [2022-11-25 18:08:32,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:08:32,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196132841] [2022-11-25 18:08:32,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:08:32,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:08:32,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:32,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:08:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:32,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:32,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:32,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:08:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:32,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:32,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:32,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:08:32,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:32,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:32,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:32,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 18:08:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:32,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:32,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:32,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 18:08:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:32,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:32,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:32,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 18:08:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:32,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:32,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 18:08:32,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:32,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:32,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 18:08:32,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:32,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:32,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:32,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-25 18:08:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:32,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:32,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:32,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-25 18:08:32,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:32,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-25 18:08:32,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:32,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-25 18:08:32,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:32,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-25 18:08:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:32,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-25 18:08:32,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:32,561 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2022-11-25 18:08:32,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:08:32,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196132841] [2022-11-25 18:08:32,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196132841] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:08:32,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:08:32,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:08:32,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236620474] [2022-11-25 18:08:32,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:08:32,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:08:32,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:08:32,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:08:32,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:08:32,564 INFO L87 Difference]: Start difference. First operand 21512 states and 29058 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (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) [2022-11-25 18:08:39,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:08:39,286 INFO L93 Difference]: Finished difference Result 65186 states and 88442 transitions. [2022-11-25 18:08:39,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:08:39,287 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (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 155 [2022-11-25 18:08:39,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:08:39,543 INFO L225 Difference]: With dead ends: 65186 [2022-11-25 18:08:39,543 INFO L226 Difference]: Without dead ends: 43697 [2022-11-25 18:08:39,630 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 [2022-11-25 18:08:39,631 INFO L413 NwaCegarLoop]: 1733 mSDtfsCounter, 2741 mSDsluCounter, 2051 mSDsCounter, 0 mSdLazyCounter, 2575 mSolverCounterSat, 1020 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3091 SdHoareTripleChecker+Valid, 3784 SdHoareTripleChecker+Invalid, 3595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1020 IncrementalHoareTripleChecker+Valid, 2575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-25 18:08:39,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3091 Valid, 3784 Invalid, 3595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1020 Valid, 2575 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-11-25 18:08:39,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43697 states. [2022-11-25 18:08:42,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43697 to 41795. [2022-11-25 18:08:42,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41795 states, 29375 states have (on average 1.256136170212766) internal successors, (36899), 30111 states have internal predecessors, (36899), 9726 states have call successors, (9726), 2746 states have call predecessors, (9726), 2691 states have return successors, (9850), 9315 states have call predecessors, (9850), 9722 states have call successors, (9850) [2022-11-25 18:08:43,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41795 states to 41795 states and 56475 transitions. [2022-11-25 18:08:43,167 INFO L78 Accepts]: Start accepts. Automaton has 41795 states and 56475 transitions. Word has length 155 [2022-11-25 18:08:43,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:08:43,168 INFO L495 AbstractCegarLoop]: Abstraction has 41795 states and 56475 transitions. [2022-11-25 18:08:43,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (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) [2022-11-25 18:08:43,169 INFO L276 IsEmpty]: Start isEmpty. Operand 41795 states and 56475 transitions. [2022-11-25 18:08:43,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-11-25 18:08:43,172 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:08:43,172 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] [2022-11-25 18:08:43,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 18:08:43,173 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 18:08:43,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:08:43,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1984130210, now seen corresponding path program 1 times [2022-11-25 18:08:43,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:08:43,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375833827] [2022-11-25 18:08:43,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:08:43,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:08:43,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:43,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:08:43,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:43,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:43,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:43,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:08:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:43,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:43,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:43,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:08:43,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:43,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:43,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:43,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 18:08:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:43,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:43,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:43,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 18:08:43,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:43,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:43,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:43,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 18:08:43,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:43,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:43,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:43,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 18:08:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:43,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:43,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:43,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 18:08:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:43,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:43,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:43,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-25 18:08:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:43,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:43,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:43,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-25 18:08:43,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:43,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-25 18:08:43,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:43,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-25 18:08:43,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:43,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-25 18:08:43,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:43,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-25 18:08:43,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:43,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:43,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:43,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-25 18:08:43,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:43,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-25 18:08:43,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:43,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-25 18:08:43,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:43,633 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2022-11-25 18:08:43,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:08:43,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375833827] [2022-11-25 18:08:43,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375833827] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:08:43,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:08:43,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:08:43,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675113404] [2022-11-25 18:08:43,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:08:43,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:08:43,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:08:43,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:08:43,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:08:43,638 INFO L87 Difference]: Start difference. First operand 41795 states and 56475 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 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) [2022-11-25 18:08:52,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:08:52,106 INFO L93 Difference]: Finished difference Result 126189 states and 171145 transitions. [2022-11-25 18:08:52,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:08:52,107 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 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 183 [2022-11-25 18:08:52,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:08:52,636 INFO L225 Difference]: With dead ends: 126189 [2022-11-25 18:08:52,636 INFO L226 Difference]: Without dead ends: 84473 [2022-11-25 18:08:53,055 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 [2022-11-25 18:08:53,057 INFO L413 NwaCegarLoop]: 1830 mSDtfsCounter, 2613 mSDsluCounter, 2136 mSDsCounter, 0 mSdLazyCounter, 2640 mSolverCounterSat, 920 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2949 SdHoareTripleChecker+Valid, 3966 SdHoareTripleChecker+Invalid, 3560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 920 IncrementalHoareTripleChecker+Valid, 2640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-11-25 18:08:53,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2949 Valid, 3966 Invalid, 3560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [920 Valid, 2640 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-11-25 18:08:53,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84473 states. [2022-11-25 18:08:57,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84473 to 80813. [2022-11-25 18:08:58,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80813 states, 57027 states have (on average 1.2553527276553211) internal successors, (71589), 58273 states have internal predecessors, (71589), 18562 states have call successors, (18562), 5298 states have call predecessors, (18562), 5221 states have return successors, (18814), 17997 states have call predecessors, (18814), 18558 states have call successors, (18814) [2022-11-25 18:08:58,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80813 states to 80813 states and 108965 transitions. [2022-11-25 18:08:58,491 INFO L78 Accepts]: Start accepts. Automaton has 80813 states and 108965 transitions. Word has length 183 [2022-11-25 18:08:58,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:08:58,492 INFO L495 AbstractCegarLoop]: Abstraction has 80813 states and 108965 transitions. [2022-11-25 18:08:58,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 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) [2022-11-25 18:08:58,493 INFO L276 IsEmpty]: Start isEmpty. Operand 80813 states and 108965 transitions. [2022-11-25 18:08:58,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-11-25 18:08:58,497 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:08:58,499 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] [2022-11-25 18:08:58,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 18:08:58,500 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 18:08:58,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:08:58,501 INFO L85 PathProgramCache]: Analyzing trace with hash 2124678820, now seen corresponding path program 1 times [2022-11-25 18:08:58,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:08:58,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319212216] [2022-11-25 18:08:58,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:08:58,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:08:58,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:58,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:08:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:59,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:59,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:59,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:08:59,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:59,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:59,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:08:59,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:59,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:59,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:59,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 18:08:59,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:59,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:59,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 18:08:59,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:59,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:59,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:59,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 18:08:59,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:59,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:59,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:59,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 18:08:59,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:59,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:59,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:59,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 18:08:59,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:59,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:59,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:59,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-25 18:08:59,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:59,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:59,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:59,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-25 18:08:59,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:59,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-25 18:08:59,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:59,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-25 18:08:59,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:59,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-25 18:08:59,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:59,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-25 18:08:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:59,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:08:59,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:59,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-25 18:08:59,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:59,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-25 18:08:59,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:59,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-25 18:08:59,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:08:59,305 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2022-11-25 18:08:59,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:08:59,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319212216] [2022-11-25 18:08:59,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319212216] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:08:59,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:08:59,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:08:59,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929157163] [2022-11-25 18:08:59,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:08:59,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:08:59,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:08:59,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:08:59,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:08:59,308 INFO L87 Difference]: Start difference. First operand 80813 states and 108965 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 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) [2022-11-25 18:09:06,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:09:06,373 INFO L93 Difference]: Finished difference Result 84475 states and 114527 transitions. [2022-11-25 18:09:06,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:09:06,373 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 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 183 [2022-11-25 18:09:06,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:09:06,862 INFO L225 Difference]: With dead ends: 84475 [2022-11-25 18:09:06,863 INFO L226 Difference]: Without dead ends: 84473 [2022-11-25 18:09:06,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-25 18:09:06,907 INFO L413 NwaCegarLoop]: 1379 mSDtfsCounter, 2256 mSDsluCounter, 3165 mSDsCounter, 0 mSdLazyCounter, 2973 mSolverCounterSat, 816 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2465 SdHoareTripleChecker+Valid, 4544 SdHoareTripleChecker+Invalid, 3789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 816 IncrementalHoareTripleChecker+Valid, 2973 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-25 18:09:06,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2465 Valid, 4544 Invalid, 3789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [816 Valid, 2973 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-25 18:09:07,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84473 states. [2022-11-25 18:09:11,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84473 to 80817. [2022-11-25 18:09:11,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80817 states, 57030 states have (on average 1.255339295107838) internal successors, (71592), 58276 states have internal predecessors, (71592), 18562 states have call successors, (18562), 5299 states have call predecessors, (18562), 5222 states have return successors, (18814), 17997 states have call predecessors, (18814), 18558 states have call successors, (18814) [2022-11-25 18:09:11,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80817 states to 80817 states and 108968 transitions. [2022-11-25 18:09:11,872 INFO L78 Accepts]: Start accepts. Automaton has 80817 states and 108968 transitions. Word has length 183 [2022-11-25 18:09:11,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:09:11,873 INFO L495 AbstractCegarLoop]: Abstraction has 80817 states and 108968 transitions. [2022-11-25 18:09:11,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 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) [2022-11-25 18:09:11,873 INFO L276 IsEmpty]: Start isEmpty. Operand 80817 states and 108968 transitions. [2022-11-25 18:09:11,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-11-25 18:09:11,878 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:09:11,878 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] [2022-11-25 18:09:11,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 18:09:11,879 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 18:09:11,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:09:11,879 INFO L85 PathProgramCache]: Analyzing trace with hash 23043273, now seen corresponding path program 1 times [2022-11-25 18:09:11,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:09:11,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526614180] [2022-11-25 18:09:11,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:09:11,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:09:11,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:12,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 18:09:12,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:12,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:09:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:12,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 18:09:12,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:12,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:09:12,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:12,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 18:09:12,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:12,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:09:12,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:12,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-25 18:09:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:12,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:09:12,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:12,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-25 18:09:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:12,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:09:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:12,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 18:09:12,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:12,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:09:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:12,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 18:09:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:12,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:09:12,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:12,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 18:09:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:12,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:09:12,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:12,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-25 18:09:12,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:12,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:09:12,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:12,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-25 18:09:12,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:12,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-25 18:09:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:12,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-25 18:09:12,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:12,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-25 18:09:12,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:12,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-25 18:09:12,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:12,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 18:09:12,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:12,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-25 18:09:12,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:12,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-25 18:09:12,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:12,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-25 18:09:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:12,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-25 18:09:12,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:09:12,799 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2022-11-25 18:09:12,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:09:12,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526614180] [2022-11-25 18:09:12,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526614180] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:09:12,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:09:12,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 18:09:12,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546940671] [2022-11-25 18:09:12,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:09:12,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 18:09:12,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:09:12,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 18:09:12,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:09:12,802 INFO L87 Difference]: Start difference. First operand 80817 states and 108968 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 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) [2022-11-25 18:09:19,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:09:19,819 INFO L93 Difference]: Finished difference Result 84479 states and 114530 transitions. [2022-11-25 18:09:19,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 18:09:19,820 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 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 188 [2022-11-25 18:09:19,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:09:20,295 INFO L225 Difference]: With dead ends: 84479 [2022-11-25 18:09:20,295 INFO L226 Difference]: Without dead ends: 84477 [2022-11-25 18:09:20,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-25 18:09:20,322 INFO L413 NwaCegarLoop]: 1379 mSDtfsCounter, 2248 mSDsluCounter, 3165 mSDsCounter, 0 mSdLazyCounter, 2976 mSolverCounterSat, 815 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2457 SdHoareTripleChecker+Valid, 4544 SdHoareTripleChecker+Invalid, 3791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 815 IncrementalHoareTripleChecker+Valid, 2976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:09:20,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2457 Valid, 4544 Invalid, 3791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [815 Valid, 2976 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-25 18:09:20,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84477 states.