./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 112291a0afbd95f38753698288bc21e678f8fc599868e66751c5bf984ca2e210 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:18:52,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:18:52,472 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:18:52,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:18:52,526 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:18:52,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:18:52,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:18:52,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:18:52,541 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:18:52,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:18:52,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:18:52,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:18:52,554 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:18:52,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:18:52,559 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:18:52,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:18:52,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:18:52,568 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:18:52,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:18:52,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:18:52,581 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:18:52,584 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:18:52,586 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:18:52,588 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:18:52,601 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:18:52,603 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:18:52,604 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:18:52,605 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:18:52,608 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:18:52,610 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:18:52,611 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:18:52,612 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:18:52,614 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:18:52,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:18:52,618 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:18:52,618 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:18:52,619 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:18:52,620 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:18:52,620 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:18:52,622 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:18:52,623 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:18:52,625 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 00:18:52,680 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:18:52,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:18:52,682 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:18:52,682 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:18:52,684 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:18:52,684 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:18:52,684 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:18:52,685 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:18:52,685 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:18:52,685 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:18:52,687 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:18:52,687 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:18:52,687 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:18:52,688 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:18:52,688 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:18:52,688 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:18:52,689 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:18:52,689 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:18:52,691 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:18:52,691 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:18:52,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:18:52,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:18:52,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:18:52,692 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:18:52,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:18:52,693 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:18:52,693 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:18:52,694 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:18:52,694 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:18:52,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:18:52,695 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:18:52,695 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:18:52,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:18:52,696 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:18:52,696 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:18:52,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:18:52,697 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:18:52,697 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:18:52,698 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 112291a0afbd95f38753698288bc21e678f8fc599868e66751c5bf984ca2e210 [2022-11-26 00:18:53,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:18:53,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:18:53,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:18:53,071 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:18:53,071 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:18:53,073 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i [2022-11-26 00:18:56,646 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:18:57,476 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:18:57,477 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i [2022-11-26 00:18:57,573 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur/data/7b0cb27b9/ab7c36b88e81425ca9f0a52db1f22c76/FLAG8b963e31c [2022-11-26 00:18:57,596 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur/data/7b0cb27b9/ab7c36b88e81425ca9f0a52db1f22c76 [2022-11-26 00:18:57,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:18:57,604 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:18:57,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:18:57,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:18:57,612 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:18:57,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:18:57" (1/1) ... [2022-11-26 00:18:57,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a045bc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:18:57, skipping insertion in model container [2022-11-26 00:18:57,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:18:57" (1/1) ... [2022-11-26 00:18:57,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:18:57,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:18:59,275 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:18:59,483 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 00:18:59,492 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 00:18:59,493 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-26 00:18:59,505 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-26 00:18:59,561 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-26 00:18:59,580 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:18:59,585 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-26 00:18:59,654 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-26 00:18:59,742 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-11-26 00:18:59,751 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:18:59,760 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:18:59,783 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-26 00:18:59,791 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-26 00:18:59,884 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_dword [2022-11-26 00:18:59,893 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_dword [2022-11-26 00:18:59,961 WARN L623 FunctionHandler]: Unknown extern function __pci_enable_wake [2022-11-26 00:19:00,036 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-26 00:19:00,308 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:00,310 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:00,312 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:00,314 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-26 00:19:00,316 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:00,325 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:00,325 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-26 00:19:00,329 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:00,337 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-11-26 00:19:00,346 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:19:00,348 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:19:00,358 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:19:00,359 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-26 00:19:00,360 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-26 00:19:00,363 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-26 00:19:00,363 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:19:00,372 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:00,374 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-26 00:19:00,376 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-26 00:19:00,377 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:00,381 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:00,392 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-26 00:19:00,394 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-26 00:19:00,397 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:00,397 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:00,398 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:19:00,399 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:00,400 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:19:00,401 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:00,402 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:00,408 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:19:00,410 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:00,415 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:00,415 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:00,419 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:00,420 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:00,422 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:00,423 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:00,427 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:00,428 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:00,429 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:00,437 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:00,438 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:00,438 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:19:00,441 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:00,442 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:19:00,442 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:00,444 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:00,448 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:00,455 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:00,456 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-11-26 00:19:00,457 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-11-26 00:19:00,463 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:00,465 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-26 00:19:00,468 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:00,472 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:19:00,473 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:19:00,473 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:19:00,474 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-26 00:19:00,474 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-26 00:19:00,475 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:00,478 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:00,479 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:00,480 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:00,481 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:00,488 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:19:00,489 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:19:00,490 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:19:00,504 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:00,506 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-26 00:19:00,507 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:19:00,508 WARN L623 FunctionHandler]: Unknown extern function dev_trans_start [2022-11-26 00:19:00,509 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:00,510 WARN L623 FunctionHandler]: Unknown extern function dev_trans_start [2022-11-26 00:19:00,511 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:19:00,511 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:00,513 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-26 00:19:00,514 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-26 00:19:00,514 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-26 00:19:00,517 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:00,518 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:00,519 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:19:00,521 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:00,522 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-26 00:19:00,523 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:00,525 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-26 00:19:00,526 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:00,529 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-26 00:19:00,531 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:00,532 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:00,533 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:19:00,533 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:00,534 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:19:00,535 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:00,535 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 00:19:00,538 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:00,539 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:00,540 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:00,541 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:00,546 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:00,546 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:19:00,547 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:00,547 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:19:00,549 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-26 00:19:00,554 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-26 00:19:00,557 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:00,563 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:00,572 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:00,573 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:19:00,574 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:00,575 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:19:00,575 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:00,575 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:19:00,576 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:00,577 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:19:00,577 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:00,578 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:19:00,578 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:19:00,579 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:00,580 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:19:00,580 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:00,581 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:19:00,584 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:00,594 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:19:00,596 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-26 00:19:00,600 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 00:19:00,604 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:00,604 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:19:00,605 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:00,605 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:19:00,606 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:00,606 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:19:00,607 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:00,607 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:19:00,608 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:19:00,608 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:00,609 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:19:00,610 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:00,638 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-26 00:19:00,639 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:00,639 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:19:00,640 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:00,642 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-11-26 00:19:00,642 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-11-26 00:19:00,643 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-26 00:19:00,649 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-26 00:19:00,649 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-11-26 00:19:00,650 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-26 00:19:00,657 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:00,658 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:00,667 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:01,012 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-11-26 00:19:01,013 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-26 00:19:01,014 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-11-26 00:19:01,015 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-11-26 00:19:01,036 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-26 00:19:01,037 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-26 00:19:01,038 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:19:01,038 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-26 00:19:01,039 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:19:01,040 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 00:19:01,041 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-26 00:19:01,042 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-26 00:19:01,042 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 00:19:01,043 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 00:19:01,043 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 00:19:01,044 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-26 00:19:01,045 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-26 00:19:01,046 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-26 00:19:01,620 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:19:01,921 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:19:02,784 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399219,399232] [2022-11-26 00:19:02,790 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399364,399377] [2022-11-26 00:19:02,791 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399510,399523] [2022-11-26 00:19:02,792 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399675,399688] [2022-11-26 00:19:02,792 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399833,399846] [2022-11-26 00:19:02,793 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399991,400004] [2022-11-26 00:19:02,793 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400149,400162] [2022-11-26 00:19:02,794 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400309,400322] [2022-11-26 00:19:02,794 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400468,400481] [2022-11-26 00:19:02,795 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400607,400620] [2022-11-26 00:19:02,795 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400749,400762] [2022-11-26 00:19:02,796 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400898,400911] [2022-11-26 00:19:02,799 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401037,401050] [2022-11-26 00:19:02,800 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401192,401205] [2022-11-26 00:19:02,800 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401352,401365] [2022-11-26 00:19:02,802 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401503,401516] [2022-11-26 00:19:02,803 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401654,401667] [2022-11-26 00:19:02,804 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401806,401819] [2022-11-26 00:19:02,804 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401955,401968] [2022-11-26 00:19:02,805 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402103,402116] [2022-11-26 00:19:02,805 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402260,402273] [2022-11-26 00:19:02,806 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402409,402422] [2022-11-26 00:19:02,806 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402565,402578] [2022-11-26 00:19:02,807 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402718,402731] [2022-11-26 00:19:02,807 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402864,402877] [2022-11-26 00:19:02,808 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403007,403020] [2022-11-26 00:19:02,808 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403159,403172] [2022-11-26 00:19:02,809 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403305,403318] [2022-11-26 00:19:02,809 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403450,403463] [2022-11-26 00:19:02,810 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403604,403617] [2022-11-26 00:19:02,810 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403755,403768] [2022-11-26 00:19:02,811 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403910,403923] [2022-11-26 00:19:02,812 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404062,404075] [2022-11-26 00:19:02,812 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404217,404230] [2022-11-26 00:19:02,813 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404381,404394] [2022-11-26 00:19:02,813 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404537,404550] [2022-11-26 00:19:02,814 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404701,404714] [2022-11-26 00:19:02,814 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404843,404856] [2022-11-26 00:19:02,815 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405001,405014] [2022-11-26 00:19:02,816 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405168,405181] [2022-11-26 00:19:02,817 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405327,405340] [2022-11-26 00:19:02,817 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405486,405499] [2022-11-26 00:19:02,819 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405635,405648] [2022-11-26 00:19:02,819 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405782,405795] [2022-11-26 00:19:02,820 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405921,405934] [2022-11-26 00:19:02,820 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406084,406097] [2022-11-26 00:19:02,822 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406250,406263] [2022-11-26 00:19:02,824 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406414,406427] [2022-11-26 00:19:02,825 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406579,406592] [2022-11-26 00:19:02,826 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406744,406757] [2022-11-26 00:19:02,826 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406910,406923] [2022-11-26 00:19:02,827 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407075,407088] [2022-11-26 00:19:02,828 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407242,407255] [2022-11-26 00:19:02,829 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407402,407415] [2022-11-26 00:19:02,830 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407564,407577] [2022-11-26 00:19:02,832 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407723,407736] [2022-11-26 00:19:02,832 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407869,407882] [2022-11-26 00:19:02,833 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408012,408025] [2022-11-26 00:19:02,833 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408156,408169] [2022-11-26 00:19:02,834 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408299,408312] [2022-11-26 00:19:02,835 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408443,408456] [2022-11-26 00:19:02,837 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408584,408597] [2022-11-26 00:19:02,837 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408722,408735] [2022-11-26 00:19:02,838 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408880,408893] [2022-11-26 00:19:02,839 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409039,409052] [2022-11-26 00:19:02,840 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409195,409208] [2022-11-26 00:19:02,842 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409344,409357] [2022-11-26 00:19:02,843 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409496,409509] [2022-11-26 00:19:02,844 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409647,409660] [2022-11-26 00:19:02,844 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409796,409809] [2022-11-26 00:19:02,845 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409948,409961] [2022-11-26 00:19:02,845 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410096,410109] [2022-11-26 00:19:02,846 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410249,410262] [2022-11-26 00:19:02,846 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410400,410413] [2022-11-26 00:19:02,847 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410550,410563] [2022-11-26 00:19:02,847 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410697,410710] [2022-11-26 00:19:02,848 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410848,410861] [2022-11-26 00:19:02,848 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410999,411012] [2022-11-26 00:19:02,849 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411147,411160] [2022-11-26 00:19:02,851 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411313,411326] [2022-11-26 00:19:02,851 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411482,411495] [2022-11-26 00:19:02,852 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411649,411662] [2022-11-26 00:19:02,853 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411817,411830] [2022-11-26 00:19:02,854 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411967,411980] [2022-11-26 00:19:02,855 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412114,412127] [2022-11-26 00:19:02,860 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412275,412288] [2022-11-26 00:19:02,862 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412445,412458] [2022-11-26 00:19:02,863 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412607,412620] [2022-11-26 00:19:02,888 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:19:02,948 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:19:03,168 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:19:03,174 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 00:19:03,175 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 00:19:03,175 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-26 00:19:03,177 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-26 00:19:03,180 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-26 00:19:03,182 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:19:03,182 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-26 00:19:03,185 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-26 00:19:03,186 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-11-26 00:19:03,187 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:19:03,188 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:03,188 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-26 00:19:03,189 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-26 00:19:03,190 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_dword [2022-11-26 00:19:03,192 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_dword [2022-11-26 00:19:03,194 WARN L623 FunctionHandler]: Unknown extern function __pci_enable_wake [2022-11-26 00:19:03,197 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-26 00:19:03,201 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:03,202 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:03,204 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:03,204 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-26 00:19:03,205 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:03,206 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:03,207 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-26 00:19:03,207 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:03,209 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-11-26 00:19:03,210 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:19:03,211 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:19:03,212 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:19:03,213 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-26 00:19:03,213 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-26 00:19:03,214 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-26 00:19:03,214 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:19:03,215 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:03,216 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-26 00:19:03,217 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-26 00:19:03,217 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:03,218 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:03,220 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-26 00:19:03,221 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-26 00:19:03,222 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:03,222 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:03,223 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:19:03,223 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:03,223 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:19:03,224 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:03,224 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:03,224 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:19:03,225 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:03,226 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:03,226 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:03,227 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:03,228 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:03,229 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:03,229 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:03,230 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:03,231 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:03,231 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:03,232 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:03,233 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:03,233 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:19:03,234 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:03,235 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:19:03,235 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:03,236 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:03,236 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:03,238 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:03,239 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-11-26 00:19:03,239 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-11-26 00:19:03,242 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:03,244 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-26 00:19:03,245 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:03,248 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:19:03,248 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:19:03,249 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:19:03,249 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-26 00:19:03,250 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-26 00:19:03,250 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:03,252 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:03,253 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:03,254 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:03,254 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:03,255 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:19:03,256 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:19:03,257 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:19:03,259 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:03,261 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-26 00:19:03,262 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:19:03,263 WARN L623 FunctionHandler]: Unknown extern function dev_trans_start [2022-11-26 00:19:03,263 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:03,264 WARN L623 FunctionHandler]: Unknown extern function dev_trans_start [2022-11-26 00:19:03,264 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-11-26 00:19:03,265 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:03,265 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-26 00:19:03,266 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-26 00:19:03,266 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-26 00:19:03,268 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:03,269 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:03,269 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:19:03,270 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:03,271 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-26 00:19:03,271 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:03,273 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-26 00:19:03,274 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:03,276 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-26 00:19:03,277 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:03,278 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:03,278 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:19:03,279 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:03,279 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:19:03,280 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:03,280 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 00:19:03,282 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:03,284 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:03,284 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:03,285 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:03,288 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:03,289 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:19:03,289 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:03,289 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:19:03,290 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-26 00:19:03,292 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-26 00:19:03,294 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:03,298 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:03,301 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:03,301 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:19:03,302 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:03,302 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:19:03,303 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:03,303 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:19:03,304 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:03,304 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:19:03,304 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:03,305 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:19:03,305 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:19:03,306 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:03,306 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:19:03,306 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:03,307 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:19:03,309 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:03,316 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:19:03,317 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-26 00:19:03,319 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-26 00:19:03,321 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:03,322 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:19:03,322 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:03,322 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:19:03,323 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:03,323 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:19:03,323 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:03,324 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:19:03,324 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:19:03,324 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:03,325 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:19:03,325 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:03,339 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-26 00:19:03,340 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:03,340 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-26 00:19:03,340 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-26 00:19:03,342 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-11-26 00:19:03,342 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-11-26 00:19:03,342 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-26 00:19:03,343 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-26 00:19:03,343 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-11-26 00:19:03,344 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-26 00:19:03,345 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:03,346 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:03,348 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:19:03,353 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-11-26 00:19:03,354 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-26 00:19:03,355 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-11-26 00:19:03,355 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-11-26 00:19:03,376 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-26 00:19:03,377 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-26 00:19:03,377 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:19:03,378 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-26 00:19:03,378 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:19:03,379 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 00:19:03,380 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-26 00:19:03,380 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-26 00:19:03,381 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 00:19:03,381 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 00:19:03,381 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 00:19:03,382 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-26 00:19:03,382 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-26 00:19:03,383 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-26 00:19:03,399 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:19:03,409 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:19:03,440 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399219,399232] [2022-11-26 00:19:03,441 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399364,399377] [2022-11-26 00:19:03,441 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399510,399523] [2022-11-26 00:19:03,442 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399675,399688] [2022-11-26 00:19:03,442 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399833,399846] [2022-11-26 00:19:03,443 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399991,400004] [2022-11-26 00:19:03,443 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400149,400162] [2022-11-26 00:19:03,444 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400309,400322] [2022-11-26 00:19:03,444 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400468,400481] [2022-11-26 00:19:03,445 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400607,400620] [2022-11-26 00:19:03,445 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400749,400762] [2022-11-26 00:19:03,446 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400898,400911] [2022-11-26 00:19:03,446 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401037,401050] [2022-11-26 00:19:03,447 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401192,401205] [2022-11-26 00:19:03,447 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401352,401365] [2022-11-26 00:19:03,447 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401503,401516] [2022-11-26 00:19:03,448 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401654,401667] [2022-11-26 00:19:03,448 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401806,401819] [2022-11-26 00:19:03,449 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401955,401968] [2022-11-26 00:19:03,449 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402103,402116] [2022-11-26 00:19:03,450 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402260,402273] [2022-11-26 00:19:03,450 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402409,402422] [2022-11-26 00:19:03,451 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402565,402578] [2022-11-26 00:19:03,451 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402718,402731] [2022-11-26 00:19:03,452 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402864,402877] [2022-11-26 00:19:03,452 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403007,403020] [2022-11-26 00:19:03,453 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403159,403172] [2022-11-26 00:19:03,453 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403305,403318] [2022-11-26 00:19:03,453 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403450,403463] [2022-11-26 00:19:03,454 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403604,403617] [2022-11-26 00:19:03,454 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403755,403768] [2022-11-26 00:19:03,455 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403910,403923] [2022-11-26 00:19:03,455 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404062,404075] [2022-11-26 00:19:03,456 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404217,404230] [2022-11-26 00:19:03,456 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404381,404394] [2022-11-26 00:19:03,457 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404537,404550] [2022-11-26 00:19:03,457 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404701,404714] [2022-11-26 00:19:03,458 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404843,404856] [2022-11-26 00:19:03,458 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405001,405014] [2022-11-26 00:19:03,459 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405168,405181] [2022-11-26 00:19:03,459 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405327,405340] [2022-11-26 00:19:03,460 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405486,405499] [2022-11-26 00:19:03,460 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405635,405648] [2022-11-26 00:19:03,461 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405782,405795] [2022-11-26 00:19:03,461 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405921,405934] [2022-11-26 00:19:03,462 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406084,406097] [2022-11-26 00:19:03,462 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406250,406263] [2022-11-26 00:19:03,462 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406414,406427] [2022-11-26 00:19:03,463 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406579,406592] [2022-11-26 00:19:03,463 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406744,406757] [2022-11-26 00:19:03,464 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406910,406923] [2022-11-26 00:19:03,464 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407075,407088] [2022-11-26 00:19:03,465 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407242,407255] [2022-11-26 00:19:03,465 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407402,407415] [2022-11-26 00:19:03,466 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407564,407577] [2022-11-26 00:19:03,466 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407723,407736] [2022-11-26 00:19:03,467 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407869,407882] [2022-11-26 00:19:03,467 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408012,408025] [2022-11-26 00:19:03,467 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408156,408169] [2022-11-26 00:19:03,468 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408299,408312] [2022-11-26 00:19:03,468 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408443,408456] [2022-11-26 00:19:03,469 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408584,408597] [2022-11-26 00:19:03,470 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408722,408735] [2022-11-26 00:19:03,470 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408880,408893] [2022-11-26 00:19:03,471 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409039,409052] [2022-11-26 00:19:03,471 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409195,409208] [2022-11-26 00:19:03,472 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409344,409357] [2022-11-26 00:19:03,472 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409496,409509] [2022-11-26 00:19:03,473 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409647,409660] [2022-11-26 00:19:03,473 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409796,409809] [2022-11-26 00:19:03,474 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409948,409961] [2022-11-26 00:19:03,474 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410096,410109] [2022-11-26 00:19:03,475 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410249,410262] [2022-11-26 00:19:03,475 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410400,410413] [2022-11-26 00:19:03,476 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410550,410563] [2022-11-26 00:19:03,476 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410697,410710] [2022-11-26 00:19:03,477 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410848,410861] [2022-11-26 00:19:03,477 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410999,411012] [2022-11-26 00:19:03,478 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411147,411160] [2022-11-26 00:19:03,478 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411313,411326] [2022-11-26 00:19:03,479 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411482,411495] [2022-11-26 00:19:03,479 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411649,411662] [2022-11-26 00:19:03,480 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411817,411830] [2022-11-26 00:19:03,480 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411967,411980] [2022-11-26 00:19:03,569 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412114,412127] [2022-11-26 00:19:03,570 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412275,412288] [2022-11-26 00:19:03,570 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412445,412458] [2022-11-26 00:19:03,571 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_313d1d52-772f-451f-aa89-4ad1168c4d3a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412607,412620] [2022-11-26 00:19:03,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:19:03,938 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:19:03,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:19:03 WrapperNode [2022-11-26 00:19:03,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:19:03,940 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:19:03,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:19:03,941 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:19:03,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:19:03" (1/1) ... [2022-11-26 00:19:04,091 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:19:03" (1/1) ... [2022-11-26 00:19:04,370 INFO L138 Inliner]: procedures = 636, calls = 2220, calls flagged for inlining = 287, calls inlined = 204, statements flattened = 5042 [2022-11-26 00:19:04,371 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:19:04,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:19:04,372 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:19:04,372 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:19:04,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:19:03" (1/1) ... [2022-11-26 00:19:04,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:19:03" (1/1) ... [2022-11-26 00:19:04,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:19:03" (1/1) ... [2022-11-26 00:19:04,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:19:03" (1/1) ... [2022-11-26 00:19:04,566 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:19:03" (1/1) ... [2022-11-26 00:19:04,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:19:03" (1/1) ... [2022-11-26 00:19:04,637 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:19:03" (1/1) ... [2022-11-26 00:19:04,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:19:03" (1/1) ... [2022-11-26 00:19:04,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:19:04,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:19:04,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:19:04,694 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:19:04,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:19:03" (1/1) ... [2022-11-26 00:19:04,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:19:04,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:19:04,728 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:19:04,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:19:04,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-26 00:19:04,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-26 00:19:04,780 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-26 00:19:04,780 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-26 00:19:04,781 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-26 00:19:04,781 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-26 00:19:04,781 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_set_filter_mode [2022-11-26 00:19:04,781 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_set_filter_mode [2022-11-26 00:19:04,781 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-26 00:19:04,781 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-26 00:19:04,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-26 00:19:04,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-26 00:19:04,782 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_resume [2022-11-26 00:19:04,782 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_resume [2022-11-26 00:19:04,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-26 00:19:04,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-26 00:19:04,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-26 00:19:04,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-26 00:19:04,783 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_phy_write_1bit [2022-11-26 00:19:04,783 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_phy_write_1bit [2022-11-26 00:19:04,783 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-26 00:19:04,783 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-26 00:19:04,783 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-26 00:19:04,784 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-26 00:19:04,784 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-26 00:19:04,784 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-26 00:19:04,784 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-11-26 00:19:04,784 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-11-26 00:19:04,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-26 00:19:04,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-26 00:19:04,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-26 00:19:04,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-26 00:19:04,785 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-26 00:19:04,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-26 00:19:04,785 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-26 00:19:04,786 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-26 00:19:04,786 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_reuse_skb [2022-11-26 00:19:04,786 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_reuse_skb [2022-11-26 00:19:04,786 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2022-11-26 00:19:04,786 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2022-11-26 00:19:04,786 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-26 00:19:04,787 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-26 00:19:04,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-26 00:19:04,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-26 00:19:04,787 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-26 00:19:04,787 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-26 00:19:04,787 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-26 00:19:04,788 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-26 00:19:04,788 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-26 00:19:04,788 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-26 00:19:04,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-26 00:19:04,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-26 00:19:04,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-26 00:19:04,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-26 00:19:04,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:19:04,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-26 00:19:04,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-26 00:19:04,790 INFO L130 BoogieDeclarations]: Found specification of procedure poll_dmfe [2022-11-26 00:19:04,790 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_dmfe [2022-11-26 00:19:04,790 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-26 00:19:04,790 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-26 00:19:04,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-26 00:19:04,791 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-26 00:19:04,791 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-26 00:19:04,791 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2022-11-26 00:19:04,791 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2022-11-26 00:19:04,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-26 00:19:04,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-26 00:19:04,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-26 00:19:04,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-26 00:19:04,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-26 00:19:04,792 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_remove_one [2022-11-26 00:19:04,792 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_remove_one [2022-11-26 00:19:04,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-26 00:19:04,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-26 00:19:04,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:19:04,793 INFO L130 BoogieDeclarations]: Found specification of procedure dm9132_id_table [2022-11-26 00:19:04,793 INFO L138 BoogieDeclarations]: Found implementation of procedure dm9132_id_table [2022-11-26 00:19:04,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-26 00:19:04,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-26 00:19:04,794 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-26 00:19:04,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-26 00:19:04,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-26 00:19:04,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-26 00:19:04,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-26 00:19:04,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-26 00:19:04,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-26 00:19:04,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-26 00:19:04,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-26 00:19:04,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-26 00:19:04,795 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_interrupt [2022-11-26 00:19:04,795 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_interrupt [2022-11-26 00:19:04,795 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-26 00:19:04,796 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-26 00:19:04,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-26 00:19:04,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-26 00:19:04,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-26 00:19:04,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-26 00:19:04,797 INFO L130 BoogieDeclarations]: Found specification of procedure cal_CRC [2022-11-26 00:19:04,797 INFO L138 BoogieDeclarations]: Found implementation of procedure cal_CRC [2022-11-26 00:19:04,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:19:04,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:19:04,797 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffer [2022-11-26 00:19:04,797 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffer [2022-11-26 00:19:04,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-26 00:19:04,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-26 00:19:04,798 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-26 00:19:04,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-26 00:19:04,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:19:04,798 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-26 00:19:04,798 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-26 00:19:04,799 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-26 00:19:04,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-26 00:19:04,801 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-11-26 00:19:04,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-11-26 00:19:04,802 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_free_rxbuffer [2022-11-26 00:19:04,802 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_free_rxbuffer [2022-11-26 00:19:04,802 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-26 00:19:04,803 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-26 00:19:04,803 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-26 00:19:04,803 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-26 00:19:04,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-26 00:19:04,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-26 00:19:04,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-26 00:19:04,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-26 00:19:04,804 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_stop [2022-11-26 00:19:04,805 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_stop [2022-11-26 00:19:04,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:19:04,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:19:04,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-26 00:19:04,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-26 00:19:04,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-26 00:19:04,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-26 00:19:04,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-26 00:19:04,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-26 00:19:04,806 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-26 00:19:04,806 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-26 00:19:04,807 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_open [2022-11-26 00:19:04,807 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_open [2022-11-26 00:19:04,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_dmfe_board_info [2022-11-26 00:19:04,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_dmfe_board_info [2022-11-26 00:19:04,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-26 00:19:04,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-26 00:19:04,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_130 [2022-11-26 00:19:04,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_130 [2022-11-26 00:19:04,808 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-26 00:19:04,808 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-26 00:19:04,808 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-26 00:19:04,809 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-26 00:19:04,809 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-26 00:19:04,809 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-26 00:19:04,809 INFO L130 BoogieDeclarations]: Found specification of procedure send_filter_frame [2022-11-26 00:19:04,809 INFO L138 BoogieDeclarations]: Found implementation of procedure send_filter_frame [2022-11-26 00:19:04,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-26 00:19:04,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-26 00:19:04,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-26 00:19:04,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-26 00:19:04,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:19:04,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-26 00:19:04,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-26 00:19:04,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:19:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-26 00:19:04,811 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-26 00:19:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-26 00:19:04,811 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-26 00:19:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_phy_read_1bit [2022-11-26 00:19:04,811 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_phy_read_1bit [2022-11-26 00:19:04,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:19:04,812 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_init_dm910x [2022-11-26 00:19:04,812 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_init_dm910x [2022-11-26 00:19:04,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-26 00:19:04,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-26 00:19:04,812 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-26 00:19:04,813 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-26 00:19:04,813 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_phy_write [2022-11-26 00:19:04,813 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_phy_write [2022-11-26 00:19:04,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-26 00:19:04,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-26 00:19:04,813 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2022-11-26 00:19:04,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2022-11-26 00:19:04,814 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-11-26 00:19:04,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-11-26 00:19:04,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-26 00:19:04,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-26 00:19:04,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-26 00:19:04,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-26 00:19:04,815 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-26 00:19:04,815 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-26 00:19:04,815 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 00:19:04,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 00:19:04,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-26 00:19:04,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-26 00:19:04,816 INFO L130 BoogieDeclarations]: Found specification of procedure update_cr6 [2022-11-26 00:19:04,816 INFO L138 BoogieDeclarations]: Found implementation of procedure update_cr6 [2022-11-26 00:19:04,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:19:04,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-26 00:19:04,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-26 00:19:04,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-26 00:19:04,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-26 00:19:04,817 INFO L130 BoogieDeclarations]: Found specification of procedure srom_clk_write [2022-11-26 00:19:04,817 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_clk_write [2022-11-26 00:19:04,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-26 00:19:04,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-26 00:19:04,818 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2022-11-26 00:19:04,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2022-11-26 00:19:04,818 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_phy_read [2022-11-26 00:19:04,818 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_phy_read [2022-11-26 00:19:04,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-26 00:19:04,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-26 00:19:04,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-26 00:19:04,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-26 00:19:04,819 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-26 00:19:04,819 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-26 00:19:04,819 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-26 00:19:04,819 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-26 00:19:04,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:19:05,920 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:19:05,925 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:19:06,357 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-26 00:19:10,882 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:19:13,019 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:19:13,020 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-26 00:19:13,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:19:13 BoogieIcfgContainer [2022-11-26 00:19:13,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:19:13,030 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:19:13,030 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:19:13,034 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:19:13,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:18:57" (1/3) ... [2022-11-26 00:19:13,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2606849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:19:13, skipping insertion in model container [2022-11-26 00:19:13,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:19:03" (2/3) ... [2022-11-26 00:19:13,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2606849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:19:13, skipping insertion in model container [2022-11-26 00:19:13,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:19:13" (3/3) ... [2022-11-26 00:19:13,040 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i [2022-11-26 00:19:13,067 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:19:13,067 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 27 error locations. [2022-11-26 00:19:13,174 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:19:13,181 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7cec6885, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:19:13,181 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2022-11-26 00:19:13,192 INFO L276 IsEmpty]: Start isEmpty. Operand has 1247 states, 701 states have (on average 1.303851640513552) internal successors, (914), 757 states have internal predecessors, (914), 419 states have call successors, (419), 100 states have call predecessors, (419), 99 states have return successors, (415), 406 states have call predecessors, (415), 415 states have call successors, (415) [2022-11-26 00:19:13,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-26 00:19:13,206 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:13,207 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-26 00:19:13,207 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:19:13,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:13,214 INFO L85 PathProgramCache]: Analyzing trace with hash -713496183, now seen corresponding path program 1 times [2022-11-26 00:19:13,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:13,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665191376] [2022-11-26 00:19:13,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:13,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:14,477 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:19:14,478 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:14,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665191376] [2022-11-26 00:19:14,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665191376] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:14,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:14,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:19:14,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714466231] [2022-11-26 00:19:14,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:14,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:19:14,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:14,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:19:14,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:19:14,536 INFO L87 Difference]: Start difference. First operand has 1247 states, 701 states have (on average 1.303851640513552) internal successors, (914), 757 states have internal predecessors, (914), 419 states have call successors, (419), 100 states have call predecessors, (419), 99 states have return successors, (415), 406 states have call predecessors, (415), 415 states have call successors, (415) Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-26 00:19:17,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:17,928 INFO L93 Difference]: Finished difference Result 2461 states and 3526 transitions. [2022-11-26 00:19:17,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:19:17,932 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 50 [2022-11-26 00:19:17,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:17,959 INFO L225 Difference]: With dead ends: 2461 [2022-11-26 00:19:17,959 INFO L226 Difference]: Without dead ends: 1232 [2022-11-26 00:19:17,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:19:17,978 INFO L413 NwaCegarLoop]: 1477 mSDtfsCounter, 1694 mSDsluCounter, 1477 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1696 SdHoareTripleChecker+Valid, 2954 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:17,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1696 Valid, 2954 Invalid, 477 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-26 00:19:18,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1232 states. [2022-11-26 00:19:18,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1232 to 1232. [2022-11-26 00:19:18,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1232 states, 693 states have (on average 1.2611832611832612) internal successors, (874), 746 states have internal predecessors, (874), 415 states have call successors, (415), 99 states have call predecessors, (415), 98 states have return successors, (413), 404 states have call predecessors, (413), 413 states have call successors, (413) [2022-11-26 00:19:18,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 1232 states and 1702 transitions. [2022-11-26 00:19:18,195 INFO L78 Accepts]: Start accepts. Automaton has 1232 states and 1702 transitions. Word has length 50 [2022-11-26 00:19:18,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:18,198 INFO L495 AbstractCegarLoop]: Abstraction has 1232 states and 1702 transitions. [2022-11-26 00:19:18,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-26 00:19:18,199 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 1702 transitions. [2022-11-26 00:19:18,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-26 00:19:18,203 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:18,204 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-26 00:19:18,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:19:18,205 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:19:18,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:18,206 INFO L85 PathProgramCache]: Analyzing trace with hash 175704679, now seen corresponding path program 1 times [2022-11-26 00:19:18,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:18,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754555778] [2022-11-26 00:19:18,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:18,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:18,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:19,003 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:19:19,003 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:19,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754555778] [2022-11-26 00:19:19,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754555778] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:19,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:19,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:19:19,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005804825] [2022-11-26 00:19:19,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:19,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:19:19,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:19,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:19:19,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:19:19,009 INFO L87 Difference]: Start difference. First operand 1232 states and 1702 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-26 00:19:22,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:22,615 INFO L93 Difference]: Finished difference Result 1232 states and 1702 transitions. [2022-11-26 00:19:22,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:19:22,616 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 55 [2022-11-26 00:19:22,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:22,633 INFO L225 Difference]: With dead ends: 1232 [2022-11-26 00:19:22,633 INFO L226 Difference]: Without dead ends: 1230 [2022-11-26 00:19:22,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:19:22,635 INFO L413 NwaCegarLoop]: 1461 mSDtfsCounter, 1676 mSDsluCounter, 1461 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1678 SdHoareTripleChecker+Valid, 2922 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:22,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1678 Valid, 2922 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-26 00:19:22,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1230 states. [2022-11-26 00:19:22,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1230 to 1230. [2022-11-26 00:19:22,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1230 states, 692 states have (on average 1.260115606936416) internal successors, (872), 744 states have internal predecessors, (872), 415 states have call successors, (415), 99 states have call predecessors, (415), 98 states have return successors, (413), 404 states have call predecessors, (413), 413 states have call successors, (413) [2022-11-26 00:19:22,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 1230 states and 1700 transitions. [2022-11-26 00:19:22,753 INFO L78 Accepts]: Start accepts. Automaton has 1230 states and 1700 transitions. Word has length 55 [2022-11-26 00:19:22,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:22,754 INFO L495 AbstractCegarLoop]: Abstraction has 1230 states and 1700 transitions. [2022-11-26 00:19:22,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-26 00:19:22,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 1700 transitions. [2022-11-26 00:19:22,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-26 00:19:22,769 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:22,769 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-26 00:19:22,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:19:22,770 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:19:22,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:22,778 INFO L85 PathProgramCache]: Analyzing trace with hash -123928418, now seen corresponding path program 1 times [2022-11-26 00:19:22,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:22,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20928800] [2022-11-26 00:19:22,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:22,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:23,268 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:19:23,269 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:23,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20928800] [2022-11-26 00:19:23,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20928800] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:23,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:23,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:19:23,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567419255] [2022-11-26 00:19:23,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:23,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:19:23,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:23,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:19:23,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:19:23,273 INFO L87 Difference]: Start difference. First operand 1230 states and 1700 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-26 00:19:26,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:26,182 INFO L93 Difference]: Finished difference Result 1230 states and 1700 transitions. [2022-11-26 00:19:26,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:19:26,182 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 60 [2022-11-26 00:19:26,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:26,194 INFO L225 Difference]: With dead ends: 1230 [2022-11-26 00:19:26,194 INFO L226 Difference]: Without dead ends: 1228 [2022-11-26 00:19:26,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:19:26,197 INFO L413 NwaCegarLoop]: 1459 mSDtfsCounter, 1673 mSDsluCounter, 1459 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1675 SdHoareTripleChecker+Valid, 2918 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:26,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1675 Valid, 2918 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-26 00:19:26,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1228 states. [2022-11-26 00:19:26,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1228 to 1228. [2022-11-26 00:19:26,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1228 states, 691 states have (on average 1.2590448625180897) internal successors, (870), 742 states have internal predecessors, (870), 415 states have call successors, (415), 99 states have call predecessors, (415), 98 states have return successors, (413), 404 states have call predecessors, (413), 413 states have call successors, (413) [2022-11-26 00:19:26,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 1228 states and 1698 transitions. [2022-11-26 00:19:26,322 INFO L78 Accepts]: Start accepts. Automaton has 1228 states and 1698 transitions. Word has length 60 [2022-11-26 00:19:26,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:26,323 INFO L495 AbstractCegarLoop]: Abstraction has 1228 states and 1698 transitions. [2022-11-26 00:19:26,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-26 00:19:26,324 INFO L276 IsEmpty]: Start isEmpty. Operand 1228 states and 1698 transitions. [2022-11-26 00:19:26,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-26 00:19:26,327 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:26,327 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-26 00:19:26,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:19:26,327 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:19:26,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:26,329 INFO L85 PathProgramCache]: Analyzing trace with hash 677957993, now seen corresponding path program 1 times [2022-11-26 00:19:26,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:26,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081442395] [2022-11-26 00:19:26,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:26,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:26,865 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:19:26,865 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:26,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081442395] [2022-11-26 00:19:26,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081442395] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:26,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:26,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:19:26,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215498307] [2022-11-26 00:19:26,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:26,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:19:26,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:26,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:19:26,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:19:26,869 INFO L87 Difference]: Start difference. First operand 1228 states and 1698 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-26 00:19:29,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:19:31,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:31,495 INFO L93 Difference]: Finished difference Result 1228 states and 1698 transitions. [2022-11-26 00:19:31,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:19:31,495 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 65 [2022-11-26 00:19:31,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:31,514 INFO L225 Difference]: With dead ends: 1228 [2022-11-26 00:19:31,515 INFO L226 Difference]: Without dead ends: 1226 [2022-11-26 00:19:31,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:19:31,528 INFO L413 NwaCegarLoop]: 1457 mSDtfsCounter, 1670 mSDsluCounter, 1457 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1672 SdHoareTripleChecker+Valid, 2914 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:31,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1672 Valid, 2914 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-11-26 00:19:31,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1226 states. [2022-11-26 00:19:31,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1226 to 1226. [2022-11-26 00:19:31,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1226 states, 690 states have (on average 1.2579710144927536) internal successors, (868), 740 states have internal predecessors, (868), 415 states have call successors, (415), 99 states have call predecessors, (415), 98 states have return successors, (413), 404 states have call predecessors, (413), 413 states have call successors, (413) [2022-11-26 00:19:31,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 1226 states and 1696 transitions. [2022-11-26 00:19:31,647 INFO L78 Accepts]: Start accepts. Automaton has 1226 states and 1696 transitions. Word has length 65 [2022-11-26 00:19:31,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:31,649 INFO L495 AbstractCegarLoop]: Abstraction has 1226 states and 1696 transitions. [2022-11-26 00:19:31,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-26 00:19:31,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1226 states and 1696 transitions. [2022-11-26 00:19:31,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-26 00:19:31,653 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:31,653 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-26 00:19:31,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:19:31,654 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:19:31,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:31,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1942216053, now seen corresponding path program 1 times [2022-11-26 00:19:31,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:31,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142127970] [2022-11-26 00:19:31,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:31,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:32,097 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:19:32,097 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:32,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142127970] [2022-11-26 00:19:32,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142127970] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:32,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:32,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:19:32,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753647797] [2022-11-26 00:19:32,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:32,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:19:32,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:32,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:19:32,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:19:32,102 INFO L87 Difference]: Start difference. First operand 1226 states and 1696 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-26 00:19:35,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:35,027 INFO L93 Difference]: Finished difference Result 1226 states and 1696 transitions. [2022-11-26 00:19:35,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:19:35,028 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 70 [2022-11-26 00:19:35,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:35,038 INFO L225 Difference]: With dead ends: 1226 [2022-11-26 00:19:35,038 INFO L226 Difference]: Without dead ends: 1224 [2022-11-26 00:19:35,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:19:35,041 INFO L413 NwaCegarLoop]: 1455 mSDtfsCounter, 1667 mSDsluCounter, 1455 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1669 SdHoareTripleChecker+Valid, 2910 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:35,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1669 Valid, 2910 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-26 00:19:35,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1224 states. [2022-11-26 00:19:35,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1224 to 1224. [2022-11-26 00:19:35,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1224 states, 689 states have (on average 1.2568940493468794) internal successors, (866), 738 states have internal predecessors, (866), 415 states have call successors, (415), 99 states have call predecessors, (415), 98 states have return successors, (413), 404 states have call predecessors, (413), 413 states have call successors, (413) [2022-11-26 00:19:35,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 1224 states and 1694 transitions. [2022-11-26 00:19:35,169 INFO L78 Accepts]: Start accepts. Automaton has 1224 states and 1694 transitions. Word has length 70 [2022-11-26 00:19:35,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:35,170 INFO L495 AbstractCegarLoop]: Abstraction has 1224 states and 1694 transitions. [2022-11-26 00:19:35,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-26 00:19:35,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1224 states and 1694 transitions. [2022-11-26 00:19:35,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-26 00:19:35,172 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:35,172 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-26 00:19:35,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 00:19:35,174 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:19:35,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:35,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1404320154, now seen corresponding path program 1 times [2022-11-26 00:19:35,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:35,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708181389] [2022-11-26 00:19:35,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:35,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:35,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:35,619 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:19:35,620 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:35,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708181389] [2022-11-26 00:19:35,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708181389] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:35,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:35,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:19:35,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795619280] [2022-11-26 00:19:35,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:35,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:19:35,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:35,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:19:35,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:19:35,623 INFO L87 Difference]: Start difference. First operand 1224 states and 1694 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-26 00:19:39,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:19:41,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:41,182 INFO L93 Difference]: Finished difference Result 1537 states and 2121 transitions. [2022-11-26 00:19:41,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:19:41,183 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 75 [2022-11-26 00:19:41,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:41,197 INFO L225 Difference]: With dead ends: 1537 [2022-11-26 00:19:41,197 INFO L226 Difference]: Without dead ends: 1535 [2022-11-26 00:19:41,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:19:41,200 INFO L413 NwaCegarLoop]: 1573 mSDtfsCounter, 1655 mSDsluCounter, 1944 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1659 SdHoareTripleChecker+Valid, 3517 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:41,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1659 Valid, 3517 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 539 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2022-11-26 00:19:41,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1535 states. [2022-11-26 00:19:41,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1535 to 1529. [2022-11-26 00:19:41,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1529 states, 861 states have (on average 1.254355400696864) internal successors, (1080), 912 states have internal predecessors, (1080), 518 states have call successors, (518), 130 states have call predecessors, (518), 129 states have return successors, (516), 506 states have call predecessors, (516), 516 states have call successors, (516) [2022-11-26 00:19:41,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 1529 states and 2114 transitions. [2022-11-26 00:19:41,421 INFO L78 Accepts]: Start accepts. Automaton has 1529 states and 2114 transitions. Word has length 75 [2022-11-26 00:19:41,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:41,422 INFO L495 AbstractCegarLoop]: Abstraction has 1529 states and 2114 transitions. [2022-11-26 00:19:41,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-26 00:19:41,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 2114 transitions. [2022-11-26 00:19:41,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-26 00:19:41,425 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:41,425 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-26 00:19:41,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 00:19:41,426 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:19:41,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:41,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1585149770, now seen corresponding path program 1 times [2022-11-26 00:19:41,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:41,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483478278] [2022-11-26 00:19:41,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:41,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:41,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:41,959 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:19:41,960 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:41,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483478278] [2022-11-26 00:19:41,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483478278] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:41,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:41,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:19:41,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189065699] [2022-11-26 00:19:41,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:41,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:19:41,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:41,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:19:41,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:19:41,965 INFO L87 Difference]: Start difference. First operand 1529 states and 2114 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-26 00:19:45,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:19:46,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:46,577 INFO L93 Difference]: Finished difference Result 1529 states and 2114 transitions. [2022-11-26 00:19:46,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:19:46,578 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 80 [2022-11-26 00:19:46,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:46,590 INFO L225 Difference]: With dead ends: 1529 [2022-11-26 00:19:46,591 INFO L226 Difference]: Without dead ends: 1527 [2022-11-26 00:19:46,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:19:46,593 INFO L413 NwaCegarLoop]: 1451 mSDtfsCounter, 1661 mSDsluCounter, 1451 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1663 SdHoareTripleChecker+Valid, 2902 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:46,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1663 Valid, 2902 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-11-26 00:19:46,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2022-11-26 00:19:46,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1527. [2022-11-26 00:19:46,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1527 states, 860 states have (on average 1.2534883720930232) internal successors, (1078), 910 states have internal predecessors, (1078), 518 states have call successors, (518), 130 states have call predecessors, (518), 129 states have return successors, (516), 506 states have call predecessors, (516), 516 states have call successors, (516) [2022-11-26 00:19:46,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1527 states and 2112 transitions. [2022-11-26 00:19:46,778 INFO L78 Accepts]: Start accepts. Automaton has 1527 states and 2112 transitions. Word has length 80 [2022-11-26 00:19:46,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:46,779 INFO L495 AbstractCegarLoop]: Abstraction has 1527 states and 2112 transitions. [2022-11-26 00:19:46,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-26 00:19:46,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1527 states and 2112 transitions. [2022-11-26 00:19:46,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-26 00:19:46,782 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:46,783 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:19:46,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-26 00:19:46,783 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:19:46,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:46,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1361825371, now seen corresponding path program 1 times [2022-11-26 00:19:46,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:46,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969130876] [2022-11-26 00:19:46,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:46,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:47,453 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-11-26 00:19:47,453 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:47,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969130876] [2022-11-26 00:19:47,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969130876] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:47,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:47,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:19:47,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425035174] [2022-11-26 00:19:47,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:47,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:19:47,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:47,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:19:47,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:19:47,457 INFO L87 Difference]: Start difference. First operand 1527 states and 2112 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-26 00:19:53,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:53,054 INFO L93 Difference]: Finished difference Result 1850 states and 2551 transitions. [2022-11-26 00:19:53,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:19:53,055 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 99 [2022-11-26 00:19:53,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:53,069 INFO L225 Difference]: With dead ends: 1850 [2022-11-26 00:19:53,069 INFO L226 Difference]: Without dead ends: 1848 [2022-11-26 00:19:53,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-26 00:19:53,072 INFO L413 NwaCegarLoop]: 1794 mSDtfsCounter, 1268 mSDsluCounter, 4307 mSDsCounter, 0 mSdLazyCounter, 1003 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1269 SdHoareTripleChecker+Valid, 6101 SdHoareTripleChecker+Invalid, 1004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:53,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1269 Valid, 6101 Invalid, 1004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1003 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-11-26 00:19:53,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1848 states. [2022-11-26 00:19:53,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1848 to 1844. [2022-11-26 00:19:53,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1844 states, 1039 states have (on average 1.2521655437921078) internal successors, (1301), 1092 states have internal predecessors, (1301), 624 states have call successors, (624), 163 states have call predecessors, (624), 162 states have return successors, (622), 611 states have call predecessors, (622), 622 states have call successors, (622) [2022-11-26 00:19:53,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1844 states to 1844 states and 2547 transitions. [2022-11-26 00:19:53,313 INFO L78 Accepts]: Start accepts. Automaton has 1844 states and 2547 transitions. Word has length 99 [2022-11-26 00:19:53,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:53,314 INFO L495 AbstractCegarLoop]: Abstraction has 1844 states and 2547 transitions. [2022-11-26 00:19:53,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-26 00:19:53,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1844 states and 2547 transitions. [2022-11-26 00:19:53,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-26 00:19:53,316 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:53,316 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:19:53,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-26 00:19:53,317 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:19:53,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:53,318 INFO L85 PathProgramCache]: Analyzing trace with hash -918781988, now seen corresponding path program 1 times [2022-11-26 00:19:53,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:53,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266916484] [2022-11-26 00:19:53,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:53,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:53,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:53,786 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:19:53,786 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:53,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266916484] [2022-11-26 00:19:53,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266916484] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:53,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:53,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:19:53,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140764743] [2022-11-26 00:19:53,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:53,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:19:53,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:53,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:19:53,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:19:53,790 INFO L87 Difference]: Start difference. First operand 1844 states and 2547 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-26 00:19:57,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:19:58,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:19:58,810 INFO L93 Difference]: Finished difference Result 1844 states and 2547 transitions. [2022-11-26 00:19:58,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:19:58,811 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 85 [2022-11-26 00:19:58,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:19:58,823 INFO L225 Difference]: With dead ends: 1844 [2022-11-26 00:19:58,823 INFO L226 Difference]: Without dead ends: 1842 [2022-11-26 00:19:58,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:19:58,826 INFO L413 NwaCegarLoop]: 1447 mSDtfsCounter, 1660 mSDsluCounter, 1443 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1662 SdHoareTripleChecker+Valid, 2890 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:19:58,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1662 Valid, 2890 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-11-26 00:19:58,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1842 states. [2022-11-26 00:19:59,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1842 to 1842. [2022-11-26 00:19:59,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1842 states, 1038 states have (on average 1.2514450867052023) internal successors, (1299), 1090 states have internal predecessors, (1299), 624 states have call successors, (624), 163 states have call predecessors, (624), 162 states have return successors, (622), 611 states have call predecessors, (622), 622 states have call successors, (622) [2022-11-26 00:19:59,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1842 states to 1842 states and 2545 transitions. [2022-11-26 00:19:59,059 INFO L78 Accepts]: Start accepts. Automaton has 1842 states and 2545 transitions. Word has length 85 [2022-11-26 00:19:59,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:19:59,059 INFO L495 AbstractCegarLoop]: Abstraction has 1842 states and 2545 transitions. [2022-11-26 00:19:59,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-26 00:19:59,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1842 states and 2545 transitions. [2022-11-26 00:19:59,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-26 00:19:59,062 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:19:59,062 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:19:59,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-26 00:19:59,063 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:19:59,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:19:59,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1813912831, now seen corresponding path program 1 times [2022-11-26 00:19:59,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:19:59,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047548640] [2022-11-26 00:19:59,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:19:59,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:19:59,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:19:59,461 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:19:59,461 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:19:59,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047548640] [2022-11-26 00:19:59,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047548640] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:19:59,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:19:59,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:19:59,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124158544] [2022-11-26 00:19:59,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:19:59,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:19:59,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:19:59,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:19:59,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:19:59,465 INFO L87 Difference]: Start difference. First operand 1842 states and 2545 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-26 00:20:02,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:20:03,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:03,405 INFO L93 Difference]: Finished difference Result 1842 states and 2545 transitions. [2022-11-26 00:20:03,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:20:03,405 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 87 [2022-11-26 00:20:03,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:03,417 INFO L225 Difference]: With dead ends: 1842 [2022-11-26 00:20:03,418 INFO L226 Difference]: Without dead ends: 1840 [2022-11-26 00:20:03,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:20:03,421 INFO L413 NwaCegarLoop]: 1445 mSDtfsCounter, 1652 mSDsluCounter, 1445 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1654 SdHoareTripleChecker+Valid, 2890 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:03,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1654 Valid, 2890 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-11-26 00:20:03,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1840 states. [2022-11-26 00:20:03,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1840 to 1840. [2022-11-26 00:20:03,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1840 states, 1037 states have (on average 1.2507232401157184) internal successors, (1297), 1088 states have internal predecessors, (1297), 624 states have call successors, (624), 163 states have call predecessors, (624), 162 states have return successors, (622), 611 states have call predecessors, (622), 622 states have call successors, (622) [2022-11-26 00:20:03,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1840 states to 1840 states and 2543 transitions. [2022-11-26 00:20:03,688 INFO L78 Accepts]: Start accepts. Automaton has 1840 states and 2543 transitions. Word has length 87 [2022-11-26 00:20:03,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:03,689 INFO L495 AbstractCegarLoop]: Abstraction has 1840 states and 2543 transitions. [2022-11-26 00:20:03,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-26 00:20:03,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1840 states and 2543 transitions. [2022-11-26 00:20:03,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-26 00:20:03,693 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:03,693 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:03,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-26 00:20:03,694 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:20:03,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:03,695 INFO L85 PathProgramCache]: Analyzing trace with hash -631177422, now seen corresponding path program 1 times [2022-11-26 00:20:03,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:03,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835115709] [2022-11-26 00:20:03,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:03,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:03,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:04,012 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-11-26 00:20:04,013 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:04,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835115709] [2022-11-26 00:20:04,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835115709] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:04,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:04,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:20:04,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771555316] [2022-11-26 00:20:04,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:04,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:20:04,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:04,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:20:04,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:20:04,016 INFO L87 Difference]: Start difference. First operand 1840 states and 2543 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-26 00:20:06,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:20:09,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:09,623 INFO L93 Difference]: Finished difference Result 4356 states and 5960 transitions. [2022-11-26 00:20:09,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:20:09,624 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 104 [2022-11-26 00:20:09,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:09,641 INFO L225 Difference]: With dead ends: 4356 [2022-11-26 00:20:09,642 INFO L226 Difference]: Without dead ends: 2541 [2022-11-26 00:20:09,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:20:09,655 INFO L413 NwaCegarLoop]: 1839 mSDtfsCounter, 1520 mSDsluCounter, 776 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1520 SdHoareTripleChecker+Valid, 2615 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:09,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1520 Valid, 2615 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-11-26 00:20:09,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2541 states. [2022-11-26 00:20:09,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2541 to 2533. [2022-11-26 00:20:09,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2533 states, 1433 states have (on average 1.2449406838799721) internal successors, (1784), 1496 states have internal predecessors, (1784), 834 states have call successors, (834), 250 states have call predecessors, (834), 249 states have return successors, (832), 817 states have call predecessors, (832), 832 states have call successors, (832) [2022-11-26 00:20:10,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2533 states to 2533 states and 3450 transitions. [2022-11-26 00:20:10,004 INFO L78 Accepts]: Start accepts. Automaton has 2533 states and 3450 transitions. Word has length 104 [2022-11-26 00:20:10,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:10,008 INFO L495 AbstractCegarLoop]: Abstraction has 2533 states and 3450 transitions. [2022-11-26 00:20:10,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-26 00:20:10,008 INFO L276 IsEmpty]: Start isEmpty. Operand 2533 states and 3450 transitions. [2022-11-26 00:20:10,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-11-26 00:20:10,010 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:10,011 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:10,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-26 00:20:10,011 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:20:10,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:10,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1138661841, now seen corresponding path program 1 times [2022-11-26 00:20:10,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:10,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022943365] [2022-11-26 00:20:10,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:10,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:10,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:10,429 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:20:10,429 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:10,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022943365] [2022-11-26 00:20:10,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022943365] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:10,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:10,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:20:10,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651405343] [2022-11-26 00:20:10,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:10,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:20:10,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:10,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:20:10,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:20:10,432 INFO L87 Difference]: Start difference. First operand 2533 states and 3450 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-26 00:20:12,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:20:14,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:20:15,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:15,447 INFO L93 Difference]: Finished difference Result 2533 states and 3450 transitions. [2022-11-26 00:20:15,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:20:15,448 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 92 [2022-11-26 00:20:15,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:15,465 INFO L225 Difference]: With dead ends: 2533 [2022-11-26 00:20:15,465 INFO L226 Difference]: Without dead ends: 2531 [2022-11-26 00:20:15,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:20:15,469 INFO L413 NwaCegarLoop]: 1443 mSDtfsCounter, 1651 mSDsluCounter, 1443 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1653 SdHoareTripleChecker+Valid, 2886 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:15,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1653 Valid, 2886 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 474 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2022-11-26 00:20:15,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2531 states. [2022-11-26 00:20:15,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2531 to 2531. [2022-11-26 00:20:15,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2531 states, 1432 states have (on average 1.244413407821229) internal successors, (1782), 1494 states have internal predecessors, (1782), 834 states have call successors, (834), 250 states have call predecessors, (834), 249 states have return successors, (832), 817 states have call predecessors, (832), 832 states have call successors, (832) [2022-11-26 00:20:15,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2531 states to 2531 states and 3448 transitions. [2022-11-26 00:20:15,838 INFO L78 Accepts]: Start accepts. Automaton has 2531 states and 3448 transitions. Word has length 92 [2022-11-26 00:20:15,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:15,839 INFO L495 AbstractCegarLoop]: Abstraction has 2531 states and 3448 transitions. [2022-11-26 00:20:15,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-26 00:20:15,840 INFO L276 IsEmpty]: Start isEmpty. Operand 2531 states and 3448 transitions. [2022-11-26 00:20:15,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-26 00:20:15,842 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:15,842 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-26 00:20:15,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-26 00:20:15,843 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:20:15,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:15,843 INFO L85 PathProgramCache]: Analyzing trace with hash -117396596, now seen corresponding path program 1 times [2022-11-26 00:20:15,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:15,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794362077] [2022-11-26 00:20:15,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:15,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:16,244 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-11-26 00:20:16,245 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:16,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794362077] [2022-11-26 00:20:16,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794362077] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:20:16,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [822831125] [2022-11-26 00:20:16,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:16,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:20:16,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:20:16,254 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:20:16,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:20:17,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:17,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 2237 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:20:17,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:20:17,600 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-26 00:20:17,600 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:20:17,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [822831125] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:17,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:20:17,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-11-26 00:20:17,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419120614] [2022-11-26 00:20:17,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:17,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:20:17,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:17,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:20:17,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-26 00:20:17,604 INFO L87 Difference]: Start difference. First operand 2531 states and 3448 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-26 00:20:19,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:20:20,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:20,311 INFO L93 Difference]: Finished difference Result 5033 states and 6852 transitions. [2022-11-26 00:20:20,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:20:20,312 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 109 [2022-11-26 00:20:20,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:20,328 INFO L225 Difference]: With dead ends: 5033 [2022-11-26 00:20:20,329 INFO L226 Difference]: Without dead ends: 2527 [2022-11-26 00:20:20,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-26 00:20:20,346 INFO L413 NwaCegarLoop]: 1439 mSDtfsCounter, 1651 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1651 SdHoareTripleChecker+Valid, 1439 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:20,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1651 Valid, 1439 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-26 00:20:20,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2527 states. [2022-11-26 00:20:20,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2527 to 2527. [2022-11-26 00:20:20,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2527 states, 1429 states have (on average 1.2435269419174249) internal successors, (1777), 1490 states have internal predecessors, (1777), 834 states have call successors, (834), 250 states have call predecessors, (834), 249 states have return successors, (832), 817 states have call predecessors, (832), 832 states have call successors, (832) [2022-11-26 00:20:20,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2527 states to 2527 states and 3443 transitions. [2022-11-26 00:20:20,787 INFO L78 Accepts]: Start accepts. Automaton has 2527 states and 3443 transitions. Word has length 109 [2022-11-26 00:20:20,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:20,788 INFO L495 AbstractCegarLoop]: Abstraction has 2527 states and 3443 transitions. [2022-11-26 00:20:20,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-26 00:20:20,789 INFO L276 IsEmpty]: Start isEmpty. Operand 2527 states and 3443 transitions. [2022-11-26 00:20:20,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-11-26 00:20:20,791 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:20,791 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:20,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:20:21,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-26 00:20:21,005 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:20:21,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:21,005 INFO L85 PathProgramCache]: Analyzing trace with hash 104749385, now seen corresponding path program 1 times [2022-11-26 00:20:21,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:21,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291378282] [2022-11-26 00:20:21,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:21,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:21,409 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:20:21,409 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:21,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291378282] [2022-11-26 00:20:21,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291378282] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:21,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:21,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:20:21,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209927721] [2022-11-26 00:20:21,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:21,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:20:21,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:21,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:20:21,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:20:21,415 INFO L87 Difference]: Start difference. First operand 2527 states and 3443 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-26 00:20:24,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:20:26,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:26,495 INFO L93 Difference]: Finished difference Result 2527 states and 3443 transitions. [2022-11-26 00:20:26,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:20:26,496 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 97 [2022-11-26 00:20:26,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:26,509 INFO L225 Difference]: With dead ends: 2527 [2022-11-26 00:20:26,510 INFO L226 Difference]: Without dead ends: 2525 [2022-11-26 00:20:26,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:20:26,513 INFO L413 NwaCegarLoop]: 1436 mSDtfsCounter, 1643 mSDsluCounter, 1436 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1645 SdHoareTripleChecker+Valid, 2872 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:26,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1645 Valid, 2872 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-11-26 00:20:26,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2525 states. [2022-11-26 00:20:27,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2525 to 2525. [2022-11-26 00:20:27,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2525 states, 1428 states have (on average 1.2429971988795518) internal successors, (1775), 1488 states have internal predecessors, (1775), 834 states have call successors, (834), 250 states have call predecessors, (834), 249 states have return successors, (832), 817 states have call predecessors, (832), 832 states have call successors, (832) [2022-11-26 00:20:27,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2525 states to 2525 states and 3441 transitions. [2022-11-26 00:20:27,129 INFO L78 Accepts]: Start accepts. Automaton has 2525 states and 3441 transitions. Word has length 97 [2022-11-26 00:20:27,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:27,129 INFO L495 AbstractCegarLoop]: Abstraction has 2525 states and 3441 transitions. [2022-11-26 00:20:27,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-26 00:20:27,130 INFO L276 IsEmpty]: Start isEmpty. Operand 2525 states and 3441 transitions. [2022-11-26 00:20:27,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-11-26 00:20:27,132 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:27,132 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:27,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-26 00:20:27,133 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:20:27,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:27,134 INFO L85 PathProgramCache]: Analyzing trace with hash 30862543, now seen corresponding path program 1 times [2022-11-26 00:20:27,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:27,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623179749] [2022-11-26 00:20:27,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:27,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:27,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:27,583 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:20:27,584 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:27,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623179749] [2022-11-26 00:20:27,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623179749] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:27,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:27,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:20:27,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491615908] [2022-11-26 00:20:27,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:27,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:20:27,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:27,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:20:27,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:20:27,590 INFO L87 Difference]: Start difference. First operand 2525 states and 3441 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-26 00:20:31,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:31,560 INFO L93 Difference]: Finished difference Result 2525 states and 3441 transitions. [2022-11-26 00:20:31,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:20:31,561 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 102 [2022-11-26 00:20:31,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:31,592 INFO L225 Difference]: With dead ends: 2525 [2022-11-26 00:20:31,600 INFO L226 Difference]: Without dead ends: 2523 [2022-11-26 00:20:31,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:20:31,603 INFO L413 NwaCegarLoop]: 1434 mSDtfsCounter, 1640 mSDsluCounter, 1434 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1642 SdHoareTripleChecker+Valid, 2868 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:31,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1642 Valid, 2868 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-26 00:20:31,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2523 states. [2022-11-26 00:20:31,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2523 to 2523. [2022-11-26 00:20:31,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2523 states, 1427 states have (on average 1.2424667133847231) internal successors, (1773), 1486 states have internal predecessors, (1773), 834 states have call successors, (834), 250 states have call predecessors, (834), 249 states have return successors, (832), 817 states have call predecessors, (832), 832 states have call successors, (832) [2022-11-26 00:20:31,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2523 states to 2523 states and 3439 transitions. [2022-11-26 00:20:31,996 INFO L78 Accepts]: Start accepts. Automaton has 2523 states and 3439 transitions. Word has length 102 [2022-11-26 00:20:31,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:31,997 INFO L495 AbstractCegarLoop]: Abstraction has 2523 states and 3439 transitions. [2022-11-26 00:20:31,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-26 00:20:31,998 INFO L276 IsEmpty]: Start isEmpty. Operand 2523 states and 3439 transitions. [2022-11-26 00:20:32,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-26 00:20:32,000 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:32,000 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:32,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-26 00:20:32,001 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:20:32,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:32,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1573511673, now seen corresponding path program 1 times [2022-11-26 00:20:32,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:32,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498982943] [2022-11-26 00:20:32,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:32,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:32,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:32,391 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:20:32,391 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:32,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498982943] [2022-11-26 00:20:32,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498982943] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:32,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:32,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:20:32,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748725078] [2022-11-26 00:20:32,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:32,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:20:32,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:32,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:20:32,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:20:32,395 INFO L87 Difference]: Start difference. First operand 2523 states and 3439 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-26 00:20:36,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:36,417 INFO L93 Difference]: Finished difference Result 2523 states and 3439 transitions. [2022-11-26 00:20:36,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:20:36,418 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 107 [2022-11-26 00:20:36,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:36,430 INFO L225 Difference]: With dead ends: 2523 [2022-11-26 00:20:36,430 INFO L226 Difference]: Without dead ends: 2521 [2022-11-26 00:20:36,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:20:36,433 INFO L413 NwaCegarLoop]: 1432 mSDtfsCounter, 1637 mSDsluCounter, 1432 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1639 SdHoareTripleChecker+Valid, 2864 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:36,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1639 Valid, 2864 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-11-26 00:20:36,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2521 states. [2022-11-26 00:20:36,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2521 to 2521. [2022-11-26 00:20:36,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2521 states, 1426 states have (on average 1.2419354838709677) internal successors, (1771), 1484 states have internal predecessors, (1771), 834 states have call successors, (834), 250 states have call predecessors, (834), 249 states have return successors, (832), 817 states have call predecessors, (832), 832 states have call successors, (832) [2022-11-26 00:20:36,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2521 states to 2521 states and 3437 transitions. [2022-11-26 00:20:36,770 INFO L78 Accepts]: Start accepts. Automaton has 2521 states and 3437 transitions. Word has length 107 [2022-11-26 00:20:36,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:36,770 INFO L495 AbstractCegarLoop]: Abstraction has 2521 states and 3437 transitions. [2022-11-26 00:20:36,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-26 00:20:36,771 INFO L276 IsEmpty]: Start isEmpty. Operand 2521 states and 3437 transitions. [2022-11-26 00:20:36,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-26 00:20:36,774 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:36,774 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:36,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-26 00:20:36,775 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:20:36,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:36,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1073582128, now seen corresponding path program 1 times [2022-11-26 00:20:36,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:36,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220766197] [2022-11-26 00:20:36,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:36,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:37,137 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:20:37,138 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:37,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220766197] [2022-11-26 00:20:37,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220766197] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:37,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:37,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:20:37,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411801865] [2022-11-26 00:20:37,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:37,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:20:37,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:37,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:20:37,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:20:37,141 INFO L87 Difference]: Start difference. First operand 2521 states and 3437 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-26 00:20:39,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:20:41,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:20:42,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:42,447 INFO L93 Difference]: Finished difference Result 2521 states and 3437 transitions. [2022-11-26 00:20:42,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:20:42,447 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 112 [2022-11-26 00:20:42,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:42,460 INFO L225 Difference]: With dead ends: 2521 [2022-11-26 00:20:42,460 INFO L226 Difference]: Without dead ends: 2519 [2022-11-26 00:20:42,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:20:42,463 INFO L413 NwaCegarLoop]: 1430 mSDtfsCounter, 1634 mSDsluCounter, 1430 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1636 SdHoareTripleChecker+Valid, 2860 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:42,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1636 Valid, 2860 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-11-26 00:20:42,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2519 states. [2022-11-26 00:20:42,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2519 to 2519. [2022-11-26 00:20:42,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2519 states, 1425 states have (on average 1.2414035087719297) internal successors, (1769), 1482 states have internal predecessors, (1769), 834 states have call successors, (834), 250 states have call predecessors, (834), 249 states have return successors, (832), 817 states have call predecessors, (832), 832 states have call successors, (832) [2022-11-26 00:20:42,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2519 states to 2519 states and 3435 transitions. [2022-11-26 00:20:42,775 INFO L78 Accepts]: Start accepts. Automaton has 2519 states and 3435 transitions. Word has length 112 [2022-11-26 00:20:42,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:42,776 INFO L495 AbstractCegarLoop]: Abstraction has 2519 states and 3435 transitions. [2022-11-26 00:20:42,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-26 00:20:42,776 INFO L276 IsEmpty]: Start isEmpty. Operand 2519 states and 3435 transitions. [2022-11-26 00:20:42,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-11-26 00:20:42,780 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:42,780 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:42,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-26 00:20:42,780 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:20:42,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:42,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1596696962, now seen corresponding path program 1 times [2022-11-26 00:20:42,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:42,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969653029] [2022-11-26 00:20:42,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:42,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:42,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:43,255 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:20:43,256 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:43,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969653029] [2022-11-26 00:20:43,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969653029] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:43,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:43,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:20:43,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200471869] [2022-11-26 00:20:43,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:43,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:20:43,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:43,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:20:43,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:20:43,261 INFO L87 Difference]: Start difference. First operand 2519 states and 3435 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-26 00:20:45,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:20:46,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:20:47,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:47,860 INFO L93 Difference]: Finished difference Result 2519 states and 3435 transitions. [2022-11-26 00:20:47,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:20:47,861 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 117 [2022-11-26 00:20:47,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:47,869 INFO L225 Difference]: With dead ends: 2519 [2022-11-26 00:20:47,869 INFO L226 Difference]: Without dead ends: 2517 [2022-11-26 00:20:47,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:20:47,871 INFO L413 NwaCegarLoop]: 1428 mSDtfsCounter, 1631 mSDsluCounter, 1428 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1633 SdHoareTripleChecker+Valid, 2856 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:47,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1633 Valid, 2856 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-11-26 00:20:47,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2517 states. [2022-11-26 00:20:48,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2517 to 2517. [2022-11-26 00:20:48,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2517 states, 1424 states have (on average 1.240870786516854) internal successors, (1767), 1480 states have internal predecessors, (1767), 834 states have call successors, (834), 250 states have call predecessors, (834), 249 states have return successors, (832), 817 states have call predecessors, (832), 832 states have call successors, (832) [2022-11-26 00:20:48,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2517 states to 2517 states and 3433 transitions. [2022-11-26 00:20:48,239 INFO L78 Accepts]: Start accepts. Automaton has 2517 states and 3433 transitions. Word has length 117 [2022-11-26 00:20:48,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:48,240 INFO L495 AbstractCegarLoop]: Abstraction has 2517 states and 3433 transitions. [2022-11-26 00:20:48,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-26 00:20:48,240 INFO L276 IsEmpty]: Start isEmpty. Operand 2517 states and 3433 transitions. [2022-11-26 00:20:48,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-11-26 00:20:48,243 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:48,244 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:48,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-26 00:20:48,244 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:20:48,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:48,245 INFO L85 PathProgramCache]: Analyzing trace with hash -297869754, now seen corresponding path program 1 times [2022-11-26 00:20:48,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:48,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627361501] [2022-11-26 00:20:48,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:48,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:48,600 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:20:48,601 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:48,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627361501] [2022-11-26 00:20:48,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627361501] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:48,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:48,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:20:48,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20618974] [2022-11-26 00:20:48,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:48,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:20:48,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:48,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:20:48,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:20:48,605 INFO L87 Difference]: Start difference. First operand 2517 states and 3433 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-26 00:20:50,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:50,416 INFO L93 Difference]: Finished difference Result 5025 states and 6851 transitions. [2022-11-26 00:20:50,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:20:50,417 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 122 [2022-11-26 00:20:50,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:50,427 INFO L225 Difference]: With dead ends: 5025 [2022-11-26 00:20:50,427 INFO L226 Difference]: Without dead ends: 2516 [2022-11-26 00:20:50,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:20:50,439 INFO L413 NwaCegarLoop]: 1420 mSDtfsCounter, 1658 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1658 SdHoareTripleChecker+Valid, 1420 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:50,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1658 Valid, 1420 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-26 00:20:50,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2516 states. [2022-11-26 00:20:50,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2516 to 2516. [2022-11-26 00:20:50,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2516 states, 1423 states have (on average 1.2375263527758258) internal successors, (1761), 1479 states have internal predecessors, (1761), 834 states have call successors, (834), 250 states have call predecessors, (834), 249 states have return successors, (832), 817 states have call predecessors, (832), 832 states have call successors, (832) [2022-11-26 00:20:50,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2516 states to 2516 states and 3427 transitions. [2022-11-26 00:20:50,815 INFO L78 Accepts]: Start accepts. Automaton has 2516 states and 3427 transitions. Word has length 122 [2022-11-26 00:20:50,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:50,816 INFO L495 AbstractCegarLoop]: Abstraction has 2516 states and 3427 transitions. [2022-11-26 00:20:50,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-26 00:20:50,816 INFO L276 IsEmpty]: Start isEmpty. Operand 2516 states and 3427 transitions. [2022-11-26 00:20:50,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-11-26 00:20:50,820 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:50,820 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:50,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-26 00:20:50,821 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:20:50,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:50,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1322519833, now seen corresponding path program 1 times [2022-11-26 00:20:50,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:50,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614771777] [2022-11-26 00:20:50,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:50,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:50,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:51,585 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:20:51,585 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:51,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614771777] [2022-11-26 00:20:51,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614771777] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:51,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:51,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:20:51,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224402460] [2022-11-26 00:20:51,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:51,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:20:51,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:51,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:20:51,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:20:51,589 INFO L87 Difference]: Start difference. First operand 2516 states and 3427 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-26 00:20:54,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:20:56,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:56,732 INFO L93 Difference]: Finished difference Result 2516 states and 3427 transitions. [2022-11-26 00:20:56,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:20:56,732 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 125 [2022-11-26 00:20:56,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:56,745 INFO L225 Difference]: With dead ends: 2516 [2022-11-26 00:20:56,746 INFO L226 Difference]: Without dead ends: 2514 [2022-11-26 00:20:56,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:20:56,749 INFO L413 NwaCegarLoop]: 1420 mSDtfsCounter, 1619 mSDsluCounter, 1420 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1621 SdHoareTripleChecker+Valid, 2840 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:56,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1621 Valid, 2840 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-11-26 00:20:56,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2514 states. [2022-11-26 00:20:57,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2514 to 2514. [2022-11-26 00:20:57,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2514 states, 1422 states have (on average 1.2369901547116737) internal successors, (1759), 1477 states have internal predecessors, (1759), 834 states have call successors, (834), 250 states have call predecessors, (834), 249 states have return successors, (832), 817 states have call predecessors, (832), 832 states have call successors, (832) [2022-11-26 00:20:57,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2514 states to 2514 states and 3425 transitions. [2022-11-26 00:20:57,239 INFO L78 Accepts]: Start accepts. Automaton has 2514 states and 3425 transitions. Word has length 125 [2022-11-26 00:20:57,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:57,239 INFO L495 AbstractCegarLoop]: Abstraction has 2514 states and 3425 transitions. [2022-11-26 00:20:57,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-26 00:20:57,240 INFO L276 IsEmpty]: Start isEmpty. Operand 2514 states and 3425 transitions. [2022-11-26 00:20:57,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-26 00:20:57,244 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:57,244 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:57,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-26 00:20:57,244 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:20:57,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:57,245 INFO L85 PathProgramCache]: Analyzing trace with hash -258227419, now seen corresponding path program 1 times [2022-11-26 00:20:57,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:20:57,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035338916] [2022-11-26 00:20:57,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:57,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:20:57,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:57,714 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:20:57,714 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:20:57,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035338916] [2022-11-26 00:20:57,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035338916] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:57,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:57,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:20:57,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544605617] [2022-11-26 00:20:57,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:57,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:20:57,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:20:57,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:20:57,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:20:57,720 INFO L87 Difference]: Start difference. First operand 2514 states and 3425 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-26 00:21:00,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:21:02,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:21:02,051 INFO L93 Difference]: Finished difference Result 2514 states and 3425 transitions. [2022-11-26 00:21:02,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:21:02,052 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 130 [2022-11-26 00:21:02,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:21:02,061 INFO L225 Difference]: With dead ends: 2514 [2022-11-26 00:21:02,061 INFO L226 Difference]: Without dead ends: 2512 [2022-11-26 00:21:02,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:21:02,066 INFO L413 NwaCegarLoop]: 1418 mSDtfsCounter, 1616 mSDsluCounter, 1418 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1618 SdHoareTripleChecker+Valid, 2836 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:21:02,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1618 Valid, 2836 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-11-26 00:21:02,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2512 states. [2022-11-26 00:21:02,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2512 to 2512. [2022-11-26 00:21:02,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2512 states, 1421 states have (on average 1.2364532019704433) internal successors, (1757), 1475 states have internal predecessors, (1757), 834 states have call successors, (834), 250 states have call predecessors, (834), 249 states have return successors, (832), 817 states have call predecessors, (832), 832 states have call successors, (832) [2022-11-26 00:21:02,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2512 states to 2512 states and 3423 transitions. [2022-11-26 00:21:02,665 INFO L78 Accepts]: Start accepts. Automaton has 2512 states and 3423 transitions. Word has length 130 [2022-11-26 00:21:02,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:21:02,666 INFO L495 AbstractCegarLoop]: Abstraction has 2512 states and 3423 transitions. [2022-11-26 00:21:02,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-26 00:21:02,666 INFO L276 IsEmpty]: Start isEmpty. Operand 2512 states and 3423 transitions. [2022-11-26 00:21:02,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-11-26 00:21:02,670 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:21:02,670 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:21:02,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-26 00:21:02,671 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:21:02,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:21:02,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1331010777, now seen corresponding path program 1 times [2022-11-26 00:21:02,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:21:02,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020501743] [2022-11-26 00:21:02,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:21:02,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:21:02,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:21:03,080 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:21:03,080 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:21:03,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020501743] [2022-11-26 00:21:03,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020501743] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:21:03,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:21:03,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:21:03,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172156140] [2022-11-26 00:21:03,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:21:03,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:21:03,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:21:03,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:21:03,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:21:03,084 INFO L87 Difference]: Start difference. First operand 2512 states and 3423 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-26 00:21:05,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:21:07,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:21:07,457 INFO L93 Difference]: Finished difference Result 2512 states and 3423 transitions. [2022-11-26 00:21:07,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:21:07,461 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 135 [2022-11-26 00:21:07,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:21:07,472 INFO L225 Difference]: With dead ends: 2512 [2022-11-26 00:21:07,473 INFO L226 Difference]: Without dead ends: 2510 [2022-11-26 00:21:07,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:21:07,476 INFO L413 NwaCegarLoop]: 1416 mSDtfsCounter, 1613 mSDsluCounter, 1416 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1615 SdHoareTripleChecker+Valid, 2832 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:21:07,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1615 Valid, 2832 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-11-26 00:21:07,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2510 states. [2022-11-26 00:21:08,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2510 to 2510. [2022-11-26 00:21:08,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2510 states, 1420 states have (on average 1.2359154929577465) internal successors, (1755), 1473 states have internal predecessors, (1755), 834 states have call successors, (834), 250 states have call predecessors, (834), 249 states have return successors, (832), 817 states have call predecessors, (832), 832 states have call successors, (832) [2022-11-26 00:21:08,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2510 states to 2510 states and 3421 transitions. [2022-11-26 00:21:08,060 INFO L78 Accepts]: Start accepts. Automaton has 2510 states and 3421 transitions. Word has length 135 [2022-11-26 00:21:08,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:21:08,061 INFO L495 AbstractCegarLoop]: Abstraction has 2510 states and 3421 transitions. [2022-11-26 00:21:08,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-26 00:21:08,062 INFO L276 IsEmpty]: Start isEmpty. Operand 2510 states and 3421 transitions. [2022-11-26 00:21:08,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-26 00:21:08,066 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:21:08,066 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:21:08,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-26 00:21:08,067 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:21:08,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:21:08,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1496026801, now seen corresponding path program 1 times [2022-11-26 00:21:08,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:21:08,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339787792] [2022-11-26 00:21:08,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:21:08,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:21:08,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:21:08,568 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:21:08,568 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:21:08,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339787792] [2022-11-26 00:21:08,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339787792] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:21:08,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:21:08,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:21:08,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992354957] [2022-11-26 00:21:08,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:21:08,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:21:08,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:21:08,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:21:08,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:21:08,571 INFO L87 Difference]: Start difference. First operand 2510 states and 3421 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-26 00:21:10,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:21:12,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:21:13,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:21:13,403 INFO L93 Difference]: Finished difference Result 2510 states and 3421 transitions. [2022-11-26 00:21:13,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:21:13,404 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 140 [2022-11-26 00:21:13,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:21:13,416 INFO L225 Difference]: With dead ends: 2510 [2022-11-26 00:21:13,416 INFO L226 Difference]: Without dead ends: 2508 [2022-11-26 00:21:13,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:21:13,419 INFO L413 NwaCegarLoop]: 1414 mSDtfsCounter, 1610 mSDsluCounter, 1414 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1612 SdHoareTripleChecker+Valid, 2828 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:21:13,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1612 Valid, 2828 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-11-26 00:21:13,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2508 states. [2022-11-26 00:21:14,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2508 to 2508. [2022-11-26 00:21:14,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2508 states, 1419 states have (on average 1.2353770260747006) internal successors, (1753), 1471 states have internal predecessors, (1753), 834 states have call successors, (834), 250 states have call predecessors, (834), 249 states have return successors, (832), 817 states have call predecessors, (832), 832 states have call successors, (832) [2022-11-26 00:21:14,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2508 states to 2508 states and 3419 transitions. [2022-11-26 00:21:14,068 INFO L78 Accepts]: Start accepts. Automaton has 2508 states and 3419 transitions. Word has length 140 [2022-11-26 00:21:14,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:21:14,068 INFO L495 AbstractCegarLoop]: Abstraction has 2508 states and 3419 transitions. [2022-11-26 00:21:14,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-26 00:21:14,069 INFO L276 IsEmpty]: Start isEmpty. Operand 2508 states and 3419 transitions. [2022-11-26 00:21:14,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-11-26 00:21:14,073 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:21:14,073 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:21:14,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-26 00:21:14,074 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:21:14,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:21:14,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1563094200, now seen corresponding path program 1 times [2022-11-26 00:21:14,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:21:14,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314022181] [2022-11-26 00:21:14,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:21:14,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:21:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:21:14,784 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2022-11-26 00:21:14,784 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:21:14,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314022181] [2022-11-26 00:21:14,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314022181] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:21:14,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:21:14,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:21:14,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91652610] [2022-11-26 00:21:14,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:21:14,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:21:14,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:21:14,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:21:14,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:21:14,788 INFO L87 Difference]: Start difference. First operand 2508 states and 3419 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-26 00:21:17,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:21:19,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:21:21,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:21:24,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:21:24,008 INFO L93 Difference]: Finished difference Result 2512 states and 3421 transitions. [2022-11-26 00:21:24,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:21:24,015 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 167 [2022-11-26 00:21:24,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:21:24,025 INFO L225 Difference]: With dead ends: 2512 [2022-11-26 00:21:24,025 INFO L226 Difference]: Without dead ends: 2510 [2022-11-26 00:21:24,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-26 00:21:24,028 INFO L413 NwaCegarLoop]: 1637 mSDtfsCounter, 819 mSDsluCounter, 4342 mSDsCounter, 0 mSdLazyCounter, 997 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 820 SdHoareTripleChecker+Valid, 5979 SdHoareTripleChecker+Invalid, 997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 997 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:21:24,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [820 Valid, 5979 Invalid, 997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 997 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2022-11-26 00:21:24,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2510 states. [2022-11-26 00:21:24,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2510 to 2506. [2022-11-26 00:21:24,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2506 states, 1418 states have (on average 1.2341325811001411) internal successors, (1750), 1469 states have internal predecessors, (1750), 834 states have call successors, (834), 250 states have call predecessors, (834), 249 states have return successors, (832), 817 states have call predecessors, (832), 832 states have call successors, (832) [2022-11-26 00:21:24,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2506 states to 2506 states and 3416 transitions. [2022-11-26 00:21:24,603 INFO L78 Accepts]: Start accepts. Automaton has 2506 states and 3416 transitions. Word has length 167 [2022-11-26 00:21:24,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:21:24,604 INFO L495 AbstractCegarLoop]: Abstraction has 2506 states and 3416 transitions. [2022-11-26 00:21:24,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-26 00:21:24,604 INFO L276 IsEmpty]: Start isEmpty. Operand 2506 states and 3416 transitions. [2022-11-26 00:21:24,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-11-26 00:21:24,608 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:21:24,609 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:21:24,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-26 00:21:24,609 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:21:24,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:21:24,610 INFO L85 PathProgramCache]: Analyzing trace with hash 651016191, now seen corresponding path program 1 times [2022-11-26 00:21:24,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:21:24,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838938687] [2022-11-26 00:21:24,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:21:24,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:21:24,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:21:25,026 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:21:25,026 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:21:25,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838938687] [2022-11-26 00:21:25,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838938687] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:21:25,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:21:25,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:21:25,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991628532] [2022-11-26 00:21:25,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:21:25,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:21:25,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:21:25,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:21:25,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:21:25,029 INFO L87 Difference]: Start difference. First operand 2506 states and 3416 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-26 00:21:27,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:21:28,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:21:29,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:21:29,897 INFO L93 Difference]: Finished difference Result 2506 states and 3416 transitions. [2022-11-26 00:21:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:21:29,897 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 145 [2022-11-26 00:21:29,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:21:29,908 INFO L225 Difference]: With dead ends: 2506 [2022-11-26 00:21:29,908 INFO L226 Difference]: Without dead ends: 2504 [2022-11-26 00:21:29,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:21:29,911 INFO L413 NwaCegarLoop]: 1410 mSDtfsCounter, 1605 mSDsluCounter, 1410 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1607 SdHoareTripleChecker+Valid, 2820 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:21:29,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1607 Valid, 2820 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-11-26 00:21:29,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2504 states. [2022-11-26 00:21:30,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2504 to 2504. [2022-11-26 00:21:30,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2504 states, 1417 states have (on average 1.2335920959774171) internal successors, (1748), 1467 states have internal predecessors, (1748), 834 states have call successors, (834), 250 states have call predecessors, (834), 249 states have return successors, (832), 817 states have call predecessors, (832), 832 states have call successors, (832) [2022-11-26 00:21:30,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2504 states to 2504 states and 3414 transitions. [2022-11-26 00:21:30,595 INFO L78 Accepts]: Start accepts. Automaton has 2504 states and 3414 transitions. Word has length 145 [2022-11-26 00:21:30,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:21:30,596 INFO L495 AbstractCegarLoop]: Abstraction has 2504 states and 3414 transitions. [2022-11-26 00:21:30,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-26 00:21:30,596 INFO L276 IsEmpty]: Start isEmpty. Operand 2504 states and 3414 transitions. [2022-11-26 00:21:30,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-11-26 00:21:30,600 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:21:30,600 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:21:30,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-26 00:21:30,601 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:21:30,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:21:30,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1694366846, now seen corresponding path program 1 times [2022-11-26 00:21:30,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:21:30,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729424971] [2022-11-26 00:21:30,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:21:30,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:21:30,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:21:31,010 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-26 00:21:31,011 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:21:31,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729424971] [2022-11-26 00:21:31,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729424971] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:21:31,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:21:31,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:21:31,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773127248] [2022-11-26 00:21:31,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:21:31,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:21:31,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:21:31,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:21:31,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:21:31,014 INFO L87 Difference]: Start difference. First operand 2504 states and 3414 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-26 00:21:34,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:21:35,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:21:35,703 INFO L93 Difference]: Finished difference Result 2504 states and 3414 transitions. [2022-11-26 00:21:35,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:21:35,704 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 150 [2022-11-26 00:21:35,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:21:35,720 INFO L225 Difference]: With dead ends: 2504 [2022-11-26 00:21:35,720 INFO L226 Difference]: Without dead ends: 2267 [2022-11-26 00:21:35,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:21:35,727 INFO L413 NwaCegarLoop]: 1409 mSDtfsCounter, 1602 mSDsluCounter, 1409 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1602 SdHoareTripleChecker+Valid, 2818 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:21:35,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1602 Valid, 2818 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-11-26 00:21:35,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2267 states. [2022-11-26 00:21:36,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2267 to 2267. [2022-11-26 00:21:36,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2267 states, 1286 states have (on average 1.23950233281493) internal successors, (1594), 1331 states have internal predecessors, (1594), 753 states have call successors, (753), 226 states have call predecessors, (753), 225 states have return successors, (751), 739 states have call predecessors, (751), 751 states have call successors, (751) [2022-11-26 00:21:36,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2267 states to 2267 states and 3098 transitions. [2022-11-26 00:21:36,355 INFO L78 Accepts]: Start accepts. Automaton has 2267 states and 3098 transitions. Word has length 150 [2022-11-26 00:21:36,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:21:36,356 INFO L495 AbstractCegarLoop]: Abstraction has 2267 states and 3098 transitions. [2022-11-26 00:21:36,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-26 00:21:36,356 INFO L276 IsEmpty]: Start isEmpty. Operand 2267 states and 3098 transitions. [2022-11-26 00:21:36,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-11-26 00:21:36,358 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:21:36,359 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:21:36,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-26 00:21:36,359 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:21:36,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:21:36,360 INFO L85 PathProgramCache]: Analyzing trace with hash -70646167, now seen corresponding path program 1 times [2022-11-26 00:21:36,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:21:36,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491920364] [2022-11-26 00:21:36,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:21:36,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:21:36,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:21:36,847 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2022-11-26 00:21:36,847 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:21:36,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491920364] [2022-11-26 00:21:36,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491920364] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:21:36,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:21:36,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:21:36,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419976800] [2022-11-26 00:21:36,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:21:36,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:21:36,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:21:36,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:21:36,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:21:36,851 INFO L87 Difference]: Start difference. First operand 2267 states and 3098 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-26 00:21:41,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:21:41,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:21:41,816 INFO L93 Difference]: Finished difference Result 4537 states and 6210 transitions. [2022-11-26 00:21:41,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:21:41,816 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 182 [2022-11-26 00:21:41,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:21:41,825 INFO L225 Difference]: With dead ends: 4537 [2022-11-26 00:21:41,825 INFO L226 Difference]: Without dead ends: 2294 [2022-11-26 00:21:41,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:21:41,837 INFO L413 NwaCegarLoop]: 1172 mSDtfsCounter, 10 mSDsluCounter, 1154 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 2326 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:21:41,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 2326 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-11-26 00:21:41,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2294 states. [2022-11-26 00:21:42,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2294 to 2269. [2022-11-26 00:21:42,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2269 states, 1288 states have (on average 1.2391304347826086) internal successors, (1596), 1333 states have internal predecessors, (1596), 753 states have call successors, (753), 226 states have call predecessors, (753), 225 states have return successors, (751), 739 states have call predecessors, (751), 751 states have call successors, (751) [2022-11-26 00:21:42,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2269 states to 2269 states and 3100 transitions. [2022-11-26 00:21:42,445 INFO L78 Accepts]: Start accepts. Automaton has 2269 states and 3100 transitions. Word has length 182 [2022-11-26 00:21:42,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:21:42,446 INFO L495 AbstractCegarLoop]: Abstraction has 2269 states and 3100 transitions. [2022-11-26 00:21:42,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-26 00:21:42,446 INFO L276 IsEmpty]: Start isEmpty. Operand 2269 states and 3100 transitions. [2022-11-26 00:21:42,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-11-26 00:21:42,453 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:21:42,454 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:21:42,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-26 00:21:42,454 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:21:42,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:21:42,455 INFO L85 PathProgramCache]: Analyzing trace with hash 2083860302, now seen corresponding path program 1 times [2022-11-26 00:21:42,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:21:42,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026775201] [2022-11-26 00:21:42,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:21:42,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:21:42,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:21:43,923 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2022-11-26 00:21:43,924 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:21:43,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026775201] [2022-11-26 00:21:43,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026775201] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:21:43,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80546238] [2022-11-26 00:21:43,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:21:43,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:21:43,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:21:43,930 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:21:43,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:21:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:21:45,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 2720 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-26 00:21:45,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:21:45,744 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2022-11-26 00:21:45,744 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:21:45,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [80546238] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:21:45,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:21:45,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [8] total 17 [2022-11-26 00:21:45,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568572750] [2022-11-26 00:21:45,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:21:45,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:21:45,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:21:45,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:21:45,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=239, Unknown=0, NotChecked=0, Total=272 [2022-11-26 00:21:45,748 INFO L87 Difference]: Start difference. First operand 2269 states and 3100 transitions. Second operand has 11 states, 8 states have (on average 11.25) internal successors, (90), 10 states have internal predecessors, (90), 6 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (33), 6 states have call predecessors, (33), 6 states have call successors, (33) [2022-11-26 00:21:53,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:21:57,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:21:58,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:21:59,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:22:01,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:22:05,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:22:05,941 INFO L93 Difference]: Finished difference Result 4788 states and 6592 transitions. [2022-11-26 00:22:05,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:22:05,942 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 11.25) internal successors, (90), 10 states have internal predecessors, (90), 6 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (33), 6 states have call predecessors, (33), 6 states have call successors, (33) Word has length 207 [2022-11-26 00:22:05,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:22:05,954 INFO L225 Difference]: With dead ends: 4788 [2022-11-26 00:22:05,955 INFO L226 Difference]: Without dead ends: 2542 [2022-11-26 00:22:05,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=69, Invalid=437, Unknown=0, NotChecked=0, Total=506 [2022-11-26 00:22:05,967 INFO L413 NwaCegarLoop]: 1448 mSDtfsCounter, 563 mSDsluCounter, 12245 mSDsCounter, 0 mSdLazyCounter, 2778 mSolverCounterSat, 347 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 565 SdHoareTripleChecker+Valid, 13693 SdHoareTripleChecker+Invalid, 3125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 347 IncrementalHoareTripleChecker+Valid, 2778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:22:05,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [565 Valid, 13693 Invalid, 3125 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [347 Valid, 2778 Invalid, 0 Unknown, 0 Unchecked, 19.2s Time] [2022-11-26 00:22:05,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2542 states. [2022-11-26 00:22:06,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2542 to 2281. [2022-11-26 00:22:06,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2281 states, 1296 states have (on average 1.2376543209876543) internal successors, (1604), 1341 states have internal predecessors, (1604), 757 states have call successors, (757), 226 states have call predecessors, (757), 225 states have return successors, (755), 743 states have call predecessors, (755), 755 states have call successors, (755) [2022-11-26 00:22:06,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2281 states to 2281 states and 3116 transitions. [2022-11-26 00:22:06,607 INFO L78 Accepts]: Start accepts. Automaton has 2281 states and 3116 transitions. Word has length 207 [2022-11-26 00:22:06,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:22:06,608 INFO L495 AbstractCegarLoop]: Abstraction has 2281 states and 3116 transitions. [2022-11-26 00:22:06,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 11.25) internal successors, (90), 10 states have internal predecessors, (90), 6 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (33), 6 states have call predecessors, (33), 6 states have call successors, (33) [2022-11-26 00:22:06,608 INFO L276 IsEmpty]: Start isEmpty. Operand 2281 states and 3116 transitions. [2022-11-26 00:22:06,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-11-26 00:22:06,613 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:22:06,613 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:22:06,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 00:22:06,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-11-26 00:22:06,833 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:22:06,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:22:06,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1799973600, now seen corresponding path program 1 times [2022-11-26 00:22:06,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:22:06,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704341390] [2022-11-26 00:22:06,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:22:06,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:22:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:22:07,895 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2022-11-26 00:22:07,895 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:22:07,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704341390] [2022-11-26 00:22:07,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704341390] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:22:07,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:22:07,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:22:07,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878056471] [2022-11-26 00:22:07,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:22:07,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:22:07,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:22:07,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:22:07,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:22:07,899 INFO L87 Difference]: Start difference. First operand 2281 states and 3116 transitions. Second operand has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-26 00:22:11,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:22:11,937 INFO L93 Difference]: Finished difference Result 4620 states and 6322 transitions. [2022-11-26 00:22:11,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:22:11,938 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 220 [2022-11-26 00:22:11,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:22:11,946 INFO L225 Difference]: With dead ends: 4620 [2022-11-26 00:22:11,946 INFO L226 Difference]: Without dead ends: 2363 [2022-11-26 00:22:11,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:22:11,957 INFO L413 NwaCegarLoop]: 1250 mSDtfsCounter, 96 mSDsluCounter, 2369 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 3619 SdHoareTripleChecker+Invalid, 691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:22:11,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 3619 Invalid, 691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-26 00:22:11,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2363 states. [2022-11-26 00:22:12,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2363 to 2283. [2022-11-26 00:22:12,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2283 states, 1298 states have (on average 1.2372881355932204) internal successors, (1606), 1343 states have internal predecessors, (1606), 757 states have call successors, (757), 226 states have call predecessors, (757), 225 states have return successors, (755), 743 states have call predecessors, (755), 755 states have call successors, (755) [2022-11-26 00:22:12,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2283 states to 2283 states and 3118 transitions. [2022-11-26 00:22:12,487 INFO L78 Accepts]: Start accepts. Automaton has 2283 states and 3118 transitions. Word has length 220 [2022-11-26 00:22:12,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:22:12,488 INFO L495 AbstractCegarLoop]: Abstraction has 2283 states and 3118 transitions. [2022-11-26 00:22:12,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-26 00:22:12,489 INFO L276 IsEmpty]: Start isEmpty. Operand 2283 states and 3118 transitions. [2022-11-26 00:22:12,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-11-26 00:22:12,493 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:22:12,493 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:22:12,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-26 00:22:12,494 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:22:12,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:22:12,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1851210731, now seen corresponding path program 1 times [2022-11-26 00:22:12,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:22:12,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543286130] [2022-11-26 00:22:12,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:22:12,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:22:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:22:13,867 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2022-11-26 00:22:13,867 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:22:13,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543286130] [2022-11-26 00:22:13,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543286130] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:22:13,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [711250832] [2022-11-26 00:22:13,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:22:13,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:22:13,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:22:13,870 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:22:13,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:22:15,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:22:15,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 2898 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-26 00:22:15,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:22:15,572 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2022-11-26 00:22:15,573 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:22:15,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [711250832] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:22:15,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:22:15,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [8] total 18 [2022-11-26 00:22:15,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133879664] [2022-11-26 00:22:15,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:22:15,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:22:15,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:22:15,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:22:15,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=271, Unknown=0, NotChecked=0, Total=306 [2022-11-26 00:22:15,576 INFO L87 Difference]: Start difference. First operand 2283 states and 3118 transitions. Second operand has 12 states, 9 states have (on average 10.88888888888889) internal successors, (98), 11 states have internal predecessors, (98), 7 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (37), 7 states have call predecessors, (37), 7 states have call successors, (37) [2022-11-26 00:22:25,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:22:27,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:22:29,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:22:31,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:22:33,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:22:35,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:22:38,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:22:38,219 INFO L93 Difference]: Finished difference Result 4835 states and 6653 transitions. [2022-11-26 00:22:38,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-26 00:22:38,219 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 10.88888888888889) internal successors, (98), 11 states have internal predecessors, (98), 7 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (37), 7 states have call predecessors, (37), 7 states have call successors, (37) Word has length 237 [2022-11-26 00:22:38,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:22:38,229 INFO L225 Difference]: With dead ends: 4835 [2022-11-26 00:22:38,229 INFO L226 Difference]: Without dead ends: 2575 [2022-11-26 00:22:38,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=90, Invalid=560, Unknown=0, NotChecked=0, Total=650 [2022-11-26 00:22:38,238 INFO L413 NwaCegarLoop]: 1472 mSDtfsCounter, 617 mSDsluCounter, 13782 mSDsCounter, 0 mSdLazyCounter, 3113 mSolverCounterSat, 393 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 619 SdHoareTripleChecker+Valid, 15254 SdHoareTripleChecker+Invalid, 3506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 393 IncrementalHoareTripleChecker+Valid, 3113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:22:38,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [619 Valid, 15254 Invalid, 3506 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [393 Valid, 3113 Invalid, 0 Unknown, 0 Unchecked, 21.5s Time] [2022-11-26 00:22:38,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2575 states. [2022-11-26 00:22:38,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2575 to 2288. [2022-11-26 00:22:38,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2288 states, 1301 states have (on average 1.2367409684857802) internal successors, (1609), 1345 states have internal predecessors, (1609), 759 states have call successors, (759), 226 states have call predecessors, (759), 225 states have return successors, (757), 745 states have call predecessors, (757), 757 states have call successors, (757) [2022-11-26 00:22:38,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2288 states to 2288 states and 3125 transitions. [2022-11-26 00:22:38,632 INFO L78 Accepts]: Start accepts. Automaton has 2288 states and 3125 transitions. Word has length 237 [2022-11-26 00:22:38,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:22:38,633 INFO L495 AbstractCegarLoop]: Abstraction has 2288 states and 3125 transitions. [2022-11-26 00:22:38,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 10.88888888888889) internal successors, (98), 11 states have internal predecessors, (98), 7 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (37), 7 states have call predecessors, (37), 7 states have call successors, (37) [2022-11-26 00:22:38,633 INFO L276 IsEmpty]: Start isEmpty. Operand 2288 states and 3125 transitions. [2022-11-26 00:22:38,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-11-26 00:22:38,638 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:22:38,638 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:22:38,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-26 00:22:38,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:22:38,852 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:22:38,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:22:38,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1606323650, now seen corresponding path program 1 times [2022-11-26 00:22:38,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:22:38,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194461747] [2022-11-26 00:22:38,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:22:38,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:22:39,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:22:40,323 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2022-11-26 00:22:40,324 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:22:40,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194461747] [2022-11-26 00:22:40,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194461747] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:22:40,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1720156039] [2022-11-26 00:22:40,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:22:40,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:22:40,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:22:40,335 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:22:40,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-26 00:22:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:22:41,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 2910 conjuncts, 42 conjunts are in the unsatisfiable core [2022-11-26 00:22:41,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:22:42,178 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2022-11-26 00:22:42,182 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:22:42,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1720156039] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:22:42,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:22:42,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [8] total 18 [2022-11-26 00:22:42,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372908978] [2022-11-26 00:22:42,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:22:42,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:22:42,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:22:42,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:22:42,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=271, Unknown=0, NotChecked=0, Total=306 [2022-11-26 00:22:42,186 INFO L87 Difference]: Start difference. First operand 2288 states and 3125 transitions. Second operand has 12 states, 9 states have (on average 11.0) internal successors, (99), 11 states have internal predecessors, (99), 7 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (37), 7 states have call predecessors, (37), 7 states have call successors, (37) [2022-11-26 00:22:50,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:22:52,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:22:53,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:22:56,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:22:57,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:23:03,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:23:03,254 INFO L93 Difference]: Finished difference Result 5183 states and 7189 transitions. [2022-11-26 00:23:03,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-26 00:23:03,255 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 11.0) internal successors, (99), 11 states have internal predecessors, (99), 7 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (37), 7 states have call predecessors, (37), 7 states have call successors, (37) Word has length 238 [2022-11-26 00:23:03,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:23:03,265 INFO L225 Difference]: With dead ends: 5183 [2022-11-26 00:23:03,265 INFO L226 Difference]: Without dead ends: 2918 [2022-11-26 00:23:03,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=148, Invalid=844, Unknown=0, NotChecked=0, Total=992 [2022-11-26 00:23:03,274 INFO L413 NwaCegarLoop]: 1703 mSDtfsCounter, 650 mSDsluCounter, 15667 mSDsCounter, 0 mSdLazyCounter, 3394 mSolverCounterSat, 560 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 751 SdHoareTripleChecker+Valid, 17370 SdHoareTripleChecker+Invalid, 3954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 560 IncrementalHoareTripleChecker+Valid, 3394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:23:03,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [751 Valid, 17370 Invalid, 3954 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [560 Valid, 3394 Invalid, 0 Unknown, 0 Unchecked, 19.6s Time] [2022-11-26 00:23:03,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2918 states. [2022-11-26 00:23:03,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2918 to 2285. [2022-11-26 00:23:03,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2285 states, 1300 states have (on average 1.2384615384615385) internal successors, (1610), 1345 states have internal predecessors, (1610), 757 states have call successors, (757), 226 states have call predecessors, (757), 225 states have return successors, (755), 743 states have call predecessors, (755), 755 states have call successors, (755) [2022-11-26 00:23:03,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2285 states to 2285 states and 3122 transitions. [2022-11-26 00:23:03,784 INFO L78 Accepts]: Start accepts. Automaton has 2285 states and 3122 transitions. Word has length 238 [2022-11-26 00:23:03,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:23:03,785 INFO L495 AbstractCegarLoop]: Abstraction has 2285 states and 3122 transitions. [2022-11-26 00:23:03,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 11.0) internal successors, (99), 11 states have internal predecessors, (99), 7 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (37), 7 states have call predecessors, (37), 7 states have call successors, (37) [2022-11-26 00:23:03,786 INFO L276 IsEmpty]: Start isEmpty. Operand 2285 states and 3122 transitions. [2022-11-26 00:23:03,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-11-26 00:23:03,789 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:23:03,789 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:23:03,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-26 00:23:04,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:23:04,003 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:23:04,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:23:04,003 INFO L85 PathProgramCache]: Analyzing trace with hash 728374691, now seen corresponding path program 1 times [2022-11-26 00:23:04,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:23:04,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975554744] [2022-11-26 00:23:04,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:23:04,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:23:04,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:23:04,624 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2022-11-26 00:23:04,625 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:23:04,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975554744] [2022-11-26 00:23:04,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975554744] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:23:04,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:23:04,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:23:04,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718693791] [2022-11-26 00:23:04,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:23:04,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:23:04,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:23:04,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:23:04,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:23:04,628 INFO L87 Difference]: Start difference. First operand 2285 states and 3122 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-11-26 00:23:07,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:23:08,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:23:08,974 INFO L93 Difference]: Finished difference Result 4549 states and 6215 transitions. [2022-11-26 00:23:08,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:23:08,975 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 242 [2022-11-26 00:23:08,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:23:08,987 INFO L225 Difference]: With dead ends: 4549 [2022-11-26 00:23:08,987 INFO L226 Difference]: Without dead ends: 2288 [2022-11-26 00:23:08,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:23:08,998 INFO L413 NwaCegarLoop]: 1155 mSDtfsCounter, 1 mSDsluCounter, 1148 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2303 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:23:08,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2303 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-11-26 00:23:09,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2288 states. [2022-11-26 00:23:09,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2288 to 2286. [2022-11-26 00:23:09,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2286 states, 1301 states have (on average 1.2382782475019216) internal successors, (1611), 1346 states have internal predecessors, (1611), 757 states have call successors, (757), 226 states have call predecessors, (757), 225 states have return successors, (755), 743 states have call predecessors, (755), 755 states have call successors, (755) [2022-11-26 00:23:09,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2286 states to 2286 states and 3123 transitions. [2022-11-26 00:23:09,478 INFO L78 Accepts]: Start accepts. Automaton has 2286 states and 3123 transitions. Word has length 242 [2022-11-26 00:23:09,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:23:09,479 INFO L495 AbstractCegarLoop]: Abstraction has 2286 states and 3123 transitions. [2022-11-26 00:23:09,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-11-26 00:23:09,480 INFO L276 IsEmpty]: Start isEmpty. Operand 2286 states and 3123 transitions. [2022-11-26 00:23:09,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-11-26 00:23:09,483 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:23:09,484 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:23:09,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-26 00:23:09,484 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:23:09,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:23:09,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1399308280, now seen corresponding path program 1 times [2022-11-26 00:23:09,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:23:09,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186355686] [2022-11-26 00:23:09,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:23:09,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:23:09,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:23:10,119 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2022-11-26 00:23:10,120 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:23:10,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186355686] [2022-11-26 00:23:10,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186355686] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:23:10,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899665313] [2022-11-26 00:23:10,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:23:10,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:23:10,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:23:10,123 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:23:10,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-26 00:23:11,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:23:11,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 3696 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:23:11,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:23:11,912 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-11-26 00:23:11,913 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:23:11,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [899665313] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:23:11,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:23:11,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-26 00:23:11,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409830559] [2022-11-26 00:23:11,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:23:11,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:23:11,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:23:11,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:23:11,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:23:11,918 INFO L87 Difference]: Start difference. First operand 2286 states and 3123 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-26 00:23:14,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:23:15,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:23:16,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:23:16,829 INFO L93 Difference]: Finished difference Result 4556 states and 6226 transitions. [2022-11-26 00:23:16,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:23:16,829 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 248 [2022-11-26 00:23:16,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:23:16,838 INFO L225 Difference]: With dead ends: 4556 [2022-11-26 00:23:16,838 INFO L226 Difference]: Without dead ends: 2294 [2022-11-26 00:23:16,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:23:16,846 INFO L413 NwaCegarLoop]: 1158 mSDtfsCounter, 2 mSDsluCounter, 1148 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 2306 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:23:16,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 2306 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-11-26 00:23:16,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2294 states. [2022-11-26 00:23:17,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2294 to 2287. [2022-11-26 00:23:17,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2287 states, 1302 states have (on average 1.2380952380952381) internal successors, (1612), 1347 states have internal predecessors, (1612), 757 states have call successors, (757), 226 states have call predecessors, (757), 225 states have return successors, (755), 743 states have call predecessors, (755), 755 states have call successors, (755) [2022-11-26 00:23:17,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2287 states to 2287 states and 3124 transitions. [2022-11-26 00:23:17,290 INFO L78 Accepts]: Start accepts. Automaton has 2287 states and 3124 transitions. Word has length 248 [2022-11-26 00:23:17,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:23:17,291 INFO L495 AbstractCegarLoop]: Abstraction has 2287 states and 3124 transitions. [2022-11-26 00:23:17,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-26 00:23:17,291 INFO L276 IsEmpty]: Start isEmpty. Operand 2287 states and 3124 transitions. [2022-11-26 00:23:17,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-11-26 00:23:17,295 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:23:17,295 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:23:17,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-26 00:23:17,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2022-11-26 00:23:17,503 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-26 00:23:17,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:23:17,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1639949900, now seen corresponding path program 1 times [2022-11-26 00:23:17,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:23:17,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079888811] [2022-11-26 00:23:17,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:23:17,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:23:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:23:18,173 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2022-11-26 00:23:18,174 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:23:18,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079888811] [2022-11-26 00:23:18,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079888811] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:23:18,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1348604676] [2022-11-26 00:23:18,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:23:18,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:23:18,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:23:18,176 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:23:18,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_313d1d52-772f-451f-aa89-4ad1168c4d3a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-26 00:23:19,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:23:19,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 3761 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:23:19,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:23:20,000 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 83 proven. 1 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-11-26 00:23:20,000 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:23:20,329 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2022-11-26 00:23:20,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1348604676] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:23:20,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [696385553] [2022-11-26 00:23:20,361 INFO L159 IcfgInterpreter]: Started Sifa with 149 locations of interest [2022-11-26 00:23:20,361 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:23:20,366 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:23:20,373 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:23:20,373 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:23:23,689 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-26 00:23:24,007 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-26 00:23:24,376 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-26 00:23:24,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-26 00:23:24,981 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-26 00:23:25,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-26 00:23:25,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26