./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--intel--igbvf--igbvf.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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9663ecc6-30e8-4e3c-9583-afb63a8bd438/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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9663ecc6-30e8-4e3c-9583-afb63a8bd438/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9663ecc6-30e8-4e3c-9583-afb63a8bd438/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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/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 70285c15c86f57662e9c7cfb124387828d40f8fb898978032ed6716b7a4d6009 --- 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 00:44:44,163 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:44:44,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:44:44,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:44:44,202 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:44:44,206 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:44:44,209 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:44:44,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:44:44,216 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:44:44,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:44:44,225 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:44:44,228 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:44:44,229 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:44:44,234 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:44:44,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:44:44,240 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:44:44,242 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:44:44,243 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:44:44,245 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:44:44,253 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:44:44,255 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:44:44,261 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:44:44,262 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:44:44,263 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:44:44,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:44:44,277 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:44:44,277 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:44:44,279 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:44:44,280 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:44:44,281 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:44:44,281 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:44:44,282 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:44:44,285 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:44:44,286 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:44:44,287 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:44:44,288 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:44:44,288 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:44:44,289 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:44:44,289 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:44:44,290 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:44:44,291 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:44:44,292 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9663ecc6-30e8-4e3c-9583-afb63a8bd438/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 00:44:44,337 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:44:44,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:44:44,338 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:44:44,339 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:44:44,340 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:44:44,340 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:44:44,340 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:44:44,341 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:44:44,341 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:44:44,341 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:44:44,342 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:44:44,343 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:44:44,343 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:44:44,343 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:44:44,344 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:44:44,344 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:44:44,344 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:44:44,344 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:44:44,345 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:44:44,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:44:44,346 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:44:44,346 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:44:44,346 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:44:44,347 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:44:44,347 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:44:44,347 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:44:44,347 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:44:44,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:44:44,348 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:44:44,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:44:44,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:44:44,349 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:44:44,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:44:44,350 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:44:44,350 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:44:44,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:44:44,350 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:44:44,351 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:44:44,351 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9663ecc6-30e8-4e3c-9583-afb63a8bd438/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70285c15c86f57662e9c7cfb124387828d40f8fb898978032ed6716b7a4d6009 [2022-11-26 00:44:44,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:44:44,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:44:44,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:44:44,741 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:44:44,742 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:44:44,744 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9663ecc6-30e8-4e3c-9583-afb63a8bd438/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i [2022-11-26 00:44:48,153 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:44:48,964 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:44:48,965 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i [2022-11-26 00:44:49,078 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9663ecc6-30e8-4e3c-9583-afb63a8bd438/bin/utaipan-ByfvJB40ur/data/c12d294c1/710abaec13b64ea5b8e5d501ad4fd75c/FLAG0ad5300bd [2022-11-26 00:44:49,101 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9663ecc6-30e8-4e3c-9583-afb63a8bd438/bin/utaipan-ByfvJB40ur/data/c12d294c1/710abaec13b64ea5b8e5d501ad4fd75c [2022-11-26 00:44:49,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:44:49,106 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:44:49,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:44:49,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:44:49,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:44:49,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:44:49" (1/1) ... [2022-11-26 00:44:49,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39895a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:44:49, skipping insertion in model container [2022-11-26 00:44:49,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:44:49" (1/1) ... [2022-11-26 00:44:49,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:44:49,369 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:44:50,421 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:44:50,427 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:44:50,481 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-11-26 00:44:50,493 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-11-26 00:44:50,949 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:44:50,950 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:44:50,951 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:44:50,970 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:44:50,974 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:44:50,992 WARN L623 FunctionHandler]: Unknown extern function msleep_interruptible [2022-11-26 00:44:51,229 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-11-26 00:44:51,750 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-26 00:44:51,867 WARN L623 FunctionHandler]: Unknown extern function __get_page_tail [2022-11-26 00:44:51,869 WARN L623 FunctionHandler]: Unknown extern function dump_page [2022-11-26 00:44:51,997 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 00:44:51,999 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 00:44:51,999 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-26 00:44:52,009 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-26 00:44:52,019 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-26 00:44:52,028 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-26 00:44:52,037 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-11-26 00:44:52,078 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-26 00:44:52,087 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:44:52,088 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-26 00:44:52,096 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-11-26 00:44:52,104 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-26 00:44:52,240 WARN L623 FunctionHandler]: Unknown extern function __pskb_pull_tail [2022-11-26 00:44:52,347 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-26 00:44:52,460 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-11-26 00:44:52,466 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:44:52,467 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:44:52,501 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-26 00:44:52,507 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-26 00:44:52,713 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-11-26 00:44:52,740 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:44:52,792 WARN L623 FunctionHandler]: Unknown extern function napi_gro_receive [2022-11-26 00:44:52,810 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-11-26 00:44:52,811 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:44:52,813 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 00:44:52,814 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:44:52,828 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:44:52,829 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:44:52,835 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-26 00:44:52,850 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:44:52,850 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:44:52,854 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:44:52,854 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:44:52,866 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:44:52,877 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 00:44:52,879 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-26 00:44:52,882 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:44:52,936 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:44:52,956 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-11-26 00:44:52,980 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msix [2022-11-26 00:44:52,981 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:44:52,983 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msix_range [2022-11-26 00:44:52,983 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:44:52,992 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:44:52,996 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:44:53,010 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:44:53,010 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-11-26 00:44:53,019 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:44:53,063 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:44:53,072 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:44:53,090 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:44:53,110 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:44:53,122 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:44:53,132 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:44:53,137 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:44:53,137 WARN L623 FunctionHandler]: Unknown extern function napi_disable [2022-11-26 00:44:53,138 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:44:53,139 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-26 00:44:53,140 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:44:53,151 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:44:53,152 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:44:53,182 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:44:53,211 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:44:53,239 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-26 00:44:53,240 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:44:53,241 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:44:53,243 WARN L623 FunctionHandler]: Unknown extern function round_jiffies [2022-11-26 00:44:53,252 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:44:53,255 WARN L623 FunctionHandler]: Unknown extern function csum_ipv6_magic [2022-11-26 00:44:53,292 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:44:53,358 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:44:53,359 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:44:53,361 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:44:53,377 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-26 00:44:53,379 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:44:53,379 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-11-26 00:44:53,380 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:44:53,388 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-11-26 00:44:53,388 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device_mem [2022-11-26 00:44:53,389 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:44:53,390 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-26 00:44:53,391 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-26 00:44:53,406 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-11-26 00:44:53,407 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-11-26 00:44:53,415 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-26 00:44:53,416 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:44:53,424 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device_mem [2022-11-26 00:44:53,424 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:44:53,425 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-26 00:44:53,433 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:44:53,434 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-26 00:44:53,442 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:44:53,443 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:44:53,443 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:44:53,460 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device_mem [2022-11-26 00:44:53,461 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:44:53,462 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-26 00:44:53,462 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-26 00:44:53,466 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-26 00:44:53,468 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:44:53,469 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:44:53,470 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:44:53,471 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:44:53,472 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-26 00:44:53,473 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 00:44:53,474 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 00:44:53,474 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 00:44:53,475 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 00:44:53,477 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:44:53,478 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:44:53,478 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:44:53,479 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-26 00:44:53,479 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:44:53,489 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-26 00:44:53,490 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-26 00:44:53,490 WARN L623 FunctionHandler]: Unknown extern function netif_napi_del [2022-11-26 00:44:53,490 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:44:53,491 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:44:53,491 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-26 00:44:53,492 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:44:53,501 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:44:53,501 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:44:53,937 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:44:53,945 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:44:53,946 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-11-26 00:44:53,949 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-26 00:44:53,950 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:44:53,950 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-11-26 00:44:53,951 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-26 00:44:53,951 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer_sync [2022-11-26 00:44:53,952 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:44:53,952 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-11-26 00:44:53,953 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:44:53,954 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-11-26 00:44:53,955 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-26 00:44:53,955 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-26 00:44:53,956 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:44:53,957 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-26 00:44:53,957 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer_sync [2022-11-26 00:44:53,958 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-26 00:44:53,958 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:44:53,959 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-26 00:44:53,960 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-26 00:44:53,961 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-26 00:44:54,714 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:44:55,049 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:44:56,054 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[562820,562833] [2022-11-26 00:44:56,060 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[562965,562978] [2022-11-26 00:44:56,060 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563111,563124] [2022-11-26 00:44:56,061 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563276,563289] [2022-11-26 00:44:56,062 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563434,563447] [2022-11-26 00:44:56,063 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563592,563605] [2022-11-26 00:44:56,071 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563750,563763] [2022-11-26 00:44:56,072 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563910,563923] [2022-11-26 00:44:56,072 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564069,564082] [2022-11-26 00:44:56,073 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564208,564221] [2022-11-26 00:44:56,081 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564350,564363] [2022-11-26 00:44:56,082 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564499,564512] [2022-11-26 00:44:56,083 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564638,564651] [2022-11-26 00:44:56,084 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564793,564806] [2022-11-26 00:44:56,085 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564953,564966] [2022-11-26 00:44:56,087 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565104,565117] [2022-11-26 00:44:56,087 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565255,565268] [2022-11-26 00:44:56,090 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565407,565420] [2022-11-26 00:44:56,091 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565556,565569] [2022-11-26 00:44:56,091 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565704,565717] [2022-11-26 00:44:56,092 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565861,565874] [2022-11-26 00:44:56,093 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566010,566023] [2022-11-26 00:44:56,094 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566166,566179] [2022-11-26 00:44:56,094 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566319,566332] [2022-11-26 00:44:56,095 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566465,566478] [2022-11-26 00:44:56,095 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566608,566621] [2022-11-26 00:44:56,096 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566760,566773] [2022-11-26 00:44:56,096 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566906,566919] [2022-11-26 00:44:56,097 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567051,567064] [2022-11-26 00:44:56,097 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567205,567218] [2022-11-26 00:44:56,098 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567356,567369] [2022-11-26 00:44:56,099 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567511,567524] [2022-11-26 00:44:56,099 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567663,567676] [2022-11-26 00:44:56,100 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567818,567831] [2022-11-26 00:44:56,101 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567982,567995] [2022-11-26 00:44:56,103 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568138,568151] [2022-11-26 00:44:56,104 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568302,568315] [2022-11-26 00:44:56,105 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568444,568457] [2022-11-26 00:44:56,106 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568602,568615] [2022-11-26 00:44:56,107 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568769,568782] [2022-11-26 00:44:56,107 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568928,568941] [2022-11-26 00:44:56,109 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569087,569100] [2022-11-26 00:44:56,110 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569236,569249] [2022-11-26 00:44:56,111 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569383,569396] [2022-11-26 00:44:56,112 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569522,569535] [2022-11-26 00:44:56,113 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569685,569698] [2022-11-26 00:44:56,115 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569851,569864] [2022-11-26 00:44:56,121 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570015,570028] [2022-11-26 00:44:56,122 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570180,570193] [2022-11-26 00:44:56,123 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570345,570358] [2022-11-26 00:44:56,123 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570511,570524] [2022-11-26 00:44:56,124 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570676,570689] [2022-11-26 00:44:56,125 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570843,570856] [2022-11-26 00:44:56,125 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571003,571016] [2022-11-26 00:44:56,126 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571165,571178] [2022-11-26 00:44:56,126 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571324,571337] [2022-11-26 00:44:56,127 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571470,571483] [2022-11-26 00:44:56,127 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571613,571626] [2022-11-26 00:44:56,128 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571757,571770] [2022-11-26 00:44:56,128 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571900,571913] [2022-11-26 00:44:56,129 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572044,572057] [2022-11-26 00:44:56,130 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572185,572198] [2022-11-26 00:44:56,130 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572323,572336] [2022-11-26 00:44:56,131 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572481,572494] [2022-11-26 00:44:56,137 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572640,572653] [2022-11-26 00:44:56,138 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572796,572809] [2022-11-26 00:44:56,139 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572945,572958] [2022-11-26 00:44:56,139 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573097,573110] [2022-11-26 00:44:56,140 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573248,573261] [2022-11-26 00:44:56,140 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573397,573410] [2022-11-26 00:44:56,141 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573549,573562] [2022-11-26 00:44:56,141 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573697,573710] [2022-11-26 00:44:56,142 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573850,573863] [2022-11-26 00:44:56,142 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574001,574014] [2022-11-26 00:44:56,143 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574151,574164] [2022-11-26 00:44:56,143 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574298,574311] [2022-11-26 00:44:56,144 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574449,574462] [2022-11-26 00:44:56,144 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574600,574613] [2022-11-26 00:44:56,145 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574748,574761] [2022-11-26 00:44:56,145 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574914,574927] [2022-11-26 00:44:56,146 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575083,575096] [2022-11-26 00:44:56,146 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575250,575263] [2022-11-26 00:44:56,146 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575418,575431] [2022-11-26 00:44:56,147 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575568,575581] [2022-11-26 00:44:56,147 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575715,575728] [2022-11-26 00:44:56,148 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575876,575889] [2022-11-26 00:44:56,148 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[576046,576059] [2022-11-26 00:44:56,149 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[576208,576221] [2022-11-26 00:44:56,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:44:56,258 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:44:56,446 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-26 00:44:56,448 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:44:56,461 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-11-26 00:44:56,463 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-11-26 00:44:56,483 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:44:56,487 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:44:56,488 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:44:56,495 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:44:56,497 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:44:56,499 WARN L623 FunctionHandler]: Unknown extern function msleep_interruptible [2022-11-26 00:44:56,506 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-11-26 00:44:56,514 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-26 00:44:56,519 WARN L623 FunctionHandler]: Unknown extern function __get_page_tail [2022-11-26 00:44:56,520 WARN L623 FunctionHandler]: Unknown extern function dump_page [2022-11-26 00:44:56,524 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 00:44:56,526 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 00:44:56,526 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-26 00:44:56,527 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-26 00:44:56,529 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-26 00:44:56,531 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-26 00:44:56,531 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-11-26 00:44:56,534 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-26 00:44:56,535 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:44:56,536 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-26 00:44:56,540 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-11-26 00:44:56,541 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-26 00:44:56,546 WARN L623 FunctionHandler]: Unknown extern function __pskb_pull_tail [2022-11-26 00:44:56,550 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-26 00:44:56,553 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-11-26 00:44:56,554 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:44:56,554 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:44:56,555 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-26 00:44:56,556 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-26 00:44:56,565 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-11-26 00:44:56,567 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:44:56,571 WARN L623 FunctionHandler]: Unknown extern function napi_gro_receive [2022-11-26 00:44:56,581 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-11-26 00:44:56,581 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:44:56,582 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 00:44:56,583 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:44:56,587 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:44:56,587 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:44:56,589 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-26 00:44:56,598 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:44:56,598 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:44:56,604 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:44:56,604 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:44:56,651 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:44:56,658 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-26 00:44:56,658 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-26 00:44:56,661 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:44:56,677 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:44:56,680 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-11-26 00:44:56,686 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msix [2022-11-26 00:44:56,687 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:44:56,688 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msix_range [2022-11-26 00:44:56,689 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:44:56,690 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:44:56,691 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:44:56,695 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:44:56,695 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-11-26 00:44:56,696 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:44:56,706 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:44:56,708 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:44:56,710 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:44:56,713 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:44:56,717 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:44:56,719 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:44:56,722 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:44:56,723 WARN L623 FunctionHandler]: Unknown extern function napi_disable [2022-11-26 00:44:56,723 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:44:56,724 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-26 00:44:56,724 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:44:56,727 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:44:56,728 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:44:56,734 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:44:56,744 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:44:56,748 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-26 00:44:56,749 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:44:56,749 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:44:56,751 WARN L623 FunctionHandler]: Unknown extern function round_jiffies [2022-11-26 00:44:56,752 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:44:56,755 WARN L623 FunctionHandler]: Unknown extern function csum_ipv6_magic [2022-11-26 00:44:56,766 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:44:56,776 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:44:56,777 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:44:56,778 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:44:56,780 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-26 00:44:56,781 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:44:56,782 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-11-26 00:44:56,782 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:44:56,783 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-11-26 00:44:56,783 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device_mem [2022-11-26 00:44:56,784 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:44:56,784 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-26 00:44:56,785 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-26 00:44:56,786 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-11-26 00:44:56,787 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-11-26 00:44:56,788 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-26 00:44:56,788 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:44:56,789 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device_mem [2022-11-26 00:44:56,789 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:44:56,790 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-26 00:44:56,791 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:44:56,791 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-26 00:44:56,792 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:44:56,793 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:44:56,793 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:44:56,795 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device_mem [2022-11-26 00:44:56,796 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:44:56,797 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-26 00:44:56,797 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-26 00:44:56,806 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-26 00:44:56,808 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:44:56,809 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:44:56,810 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:44:56,811 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:44:56,811 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-26 00:44:56,812 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 00:44:56,813 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 00:44:56,813 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 00:44:56,814 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 00:44:56,815 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-26 00:44:56,816 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:44:56,816 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:44:56,816 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-26 00:44:56,817 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:44:56,818 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-26 00:44:56,819 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-26 00:44:56,819 WARN L623 FunctionHandler]: Unknown extern function netif_napi_del [2022-11-26 00:44:56,820 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:44:56,820 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:44:56,821 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-26 00:44:56,821 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-26 00:44:56,822 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:44:56,823 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:44:56,867 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:44:56,868 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:44:56,869 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-11-26 00:44:56,871 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-26 00:44:56,872 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:44:56,873 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-11-26 00:44:56,873 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-26 00:44:56,873 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer_sync [2022-11-26 00:44:56,874 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:44:56,874 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-11-26 00:44:56,875 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:44:56,875 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-11-26 00:44:56,876 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-26 00:44:56,876 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-26 00:44:56,877 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:44:56,877 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-26 00:44:56,878 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer_sync [2022-11-26 00:44:56,878 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-26 00:44:56,879 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-26 00:44:56,879 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-26 00:44:56,880 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-26 00:44:56,881 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-26 00:44:56,898 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:44:56,950 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:44:56,983 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[562820,562833] [2022-11-26 00:44:56,984 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[562965,562978] [2022-11-26 00:44:56,985 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563111,563124] [2022-11-26 00:44:56,985 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563276,563289] [2022-11-26 00:44:56,986 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563434,563447] [2022-11-26 00:44:56,987 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563592,563605] [2022-11-26 00:44:56,987 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563750,563763] [2022-11-26 00:44:56,988 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563910,563923] [2022-11-26 00:44:56,988 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564069,564082] [2022-11-26 00:44:56,989 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564208,564221] [2022-11-26 00:44:56,989 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564350,564363] [2022-11-26 00:44:56,990 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564499,564512] [2022-11-26 00:44:56,990 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564638,564651] [2022-11-26 00:44:56,991 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564793,564806] [2022-11-26 00:44:56,991 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564953,564966] [2022-11-26 00:44:56,992 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565104,565117] [2022-11-26 00:44:56,992 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565255,565268] [2022-11-26 00:44:56,993 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565407,565420] [2022-11-26 00:44:56,993 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565556,565569] [2022-11-26 00:44:56,994 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565704,565717] [2022-11-26 00:44:56,994 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565861,565874] [2022-11-26 00:44:56,995 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566010,566023] [2022-11-26 00:44:56,995 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566166,566179] [2022-11-26 00:44:56,996 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566319,566332] [2022-11-26 00:44:56,996 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566465,566478] [2022-11-26 00:44:56,997 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566608,566621] [2022-11-26 00:44:56,997 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566760,566773] [2022-11-26 00:44:56,998 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566906,566919] [2022-11-26 00:44:56,998 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567051,567064] [2022-11-26 00:44:56,999 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567205,567218] [2022-11-26 00:44:57,000 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567356,567369] [2022-11-26 00:44:57,000 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567511,567524] [2022-11-26 00:44:57,001 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567663,567676] [2022-11-26 00:44:57,001 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567818,567831] [2022-11-26 00:44:57,002 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567982,567995] [2022-11-26 00:44:57,002 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568138,568151] [2022-11-26 00:44:57,003 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568302,568315] [2022-11-26 00:44:57,003 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568444,568457] [2022-11-26 00:44:57,004 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568602,568615] [2022-11-26 00:44:57,004 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568769,568782] [2022-11-26 00:44:57,005 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568928,568941] [2022-11-26 00:44:57,006 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569087,569100] [2022-11-26 00:44:57,006 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569236,569249] [2022-11-26 00:44:57,007 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569383,569396] [2022-11-26 00:44:57,007 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569522,569535] [2022-11-26 00:44:57,008 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569685,569698] [2022-11-26 00:44:57,008 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569851,569864] [2022-11-26 00:44:57,009 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570015,570028] [2022-11-26 00:44:57,010 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570180,570193] [2022-11-26 00:44:57,010 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570345,570358] [2022-11-26 00:44:57,011 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570511,570524] [2022-11-26 00:44:57,011 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570676,570689] [2022-11-26 00:44:57,012 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570843,570856] [2022-11-26 00:44:57,012 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571003,571016] [2022-11-26 00:44:57,013 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571165,571178] [2022-11-26 00:44:57,013 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571324,571337] [2022-11-26 00:44:57,014 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571470,571483] [2022-11-26 00:44:57,014 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571613,571626] [2022-11-26 00:44:57,015 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571757,571770] [2022-11-26 00:44:57,015 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571900,571913] [2022-11-26 00:44:57,016 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572044,572057] [2022-11-26 00:44:57,017 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572185,572198] [2022-11-26 00:44:57,017 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572323,572336] [2022-11-26 00:44:57,018 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572481,572494] [2022-11-26 00:44:57,018 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572640,572653] [2022-11-26 00:44:57,019 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572796,572809] [2022-11-26 00:44:57,019 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572945,572958] [2022-11-26 00:44:57,020 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573097,573110] [2022-11-26 00:44:57,021 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573248,573261] [2022-11-26 00:44:57,021 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573397,573410] [2022-11-26 00:44:57,022 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573549,573562] [2022-11-26 00:44:57,022 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573697,573710] [2022-11-26 00:44:57,023 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573850,573863] [2022-11-26 00:44:57,023 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574001,574014] [2022-11-26 00:44:57,024 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574151,574164] [2022-11-26 00:44:57,024 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574298,574311] [2022-11-26 00:44:57,025 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574449,574462] [2022-11-26 00:44:57,025 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574600,574613] [2022-11-26 00:44:57,026 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574748,574761] [2022-11-26 00:44:57,027 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574914,574927] [2022-11-26 00:44:57,027 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575083,575096] [2022-11-26 00:44:57,028 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575250,575263] [2022-11-26 00:44:57,028 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575418,575431] [2022-11-26 00:44:57,029 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575568,575581] [2022-11-26 00:44:57,029 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575715,575728] [2022-11-26 00:44:57,030 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575876,575889] [2022-11-26 00:44:57,030 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[576046,576059] [2022-11-26 00:44:57,031 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_9663ecc6-30e8-4e3c-9583-afb63a8bd438/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[576208,576221] [2022-11-26 00:44:57,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:44:57,670 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:44:57,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:44:57 WrapperNode [2022-11-26 00:44:57,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:44:57,673 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:44:57,673 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:44:57,673 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:44:57,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:44:57" (1/1) ... [2022-11-26 00:44:57,865 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:44:57" (1/1) ... [2022-11-26 00:44:58,264 INFO L138 Inliner]: procedures = 842, calls = 3797, calls flagged for inlining = 410, calls inlined = 310, statements flattened = 8783 [2022-11-26 00:44:58,265 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:44:58,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:44:58,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:44:58,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:44:58,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:44:57" (1/1) ... [2022-11-26 00:44:58,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:44:57" (1/1) ... [2022-11-26 00:44:58,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:44:57" (1/1) ... [2022-11-26 00:44:58,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:44:57" (1/1) ... [2022-11-26 00:44:58,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:44:57" (1/1) ... [2022-11-26 00:44:58,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:44:57" (1/1) ... [2022-11-26 00:44:58,778 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:44:57" (1/1) ... [2022-11-26 00:44:58,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:44:57" (1/1) ... [2022-11-26 00:44:58,862 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:44:58,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:44:58,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:44:58,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:44:58,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:44:57" (1/1) ... [2022-11-26 00:44:58,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:44:58,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9663ecc6-30e8-4e3c-9583-afb63a8bd438/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:44:58,900 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9663ecc6-30e8-4e3c-9583-afb63a8bd438/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:44:58,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9663ecc6-30e8-4e3c-9583-afb63a8bd438/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:44:58,956 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-26 00:44:58,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-26 00:44:58,956 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-26 00:44:58,956 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-26 00:44:58,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-26 00:44:58,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-26 00:44:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-26 00:44:58,957 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-26 00:44:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-26 00:44:58,957 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-26 00:44:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-26 00:44:58,957 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-26 00:44:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_maybe_stop_tx [2022-11-26 00:44:58,957 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_maybe_stop_tx [2022-11-26 00:44:58,958 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-26 00:44:58,958 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-26 00:44:58,958 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-26 00:44:58,958 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-26 00:44:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_suspend [2022-11-26 00:44:58,959 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_suspend [2022-11-26 00:44:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-26 00:44:58,959 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-26 00:44:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-26 00:44:58,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-26 00:44:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_assign_vector [2022-11-26 00:44:58,960 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_assign_vector [2022-11-26 00:44:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-26 00:44:58,960 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-26 00:44:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_desc_unused [2022-11-26 00:44:58,961 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_desc_unused [2022-11-26 00:44:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-26 00:44:58,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-26 00:44:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-26 00:44:58,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-26 00:44:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:44:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-26 00:44:58,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-26 00:44:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_netpoll [2022-11-26 00:44:58,962 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_netpoll [2022-11-26 00:44:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-26 00:44:58,963 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-26 00:44:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset_interrupt_capability [2022-11-26 00:44:58,963 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset_interrupt_capability [2022-11-26 00:44:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_msg_vf [2022-11-26 00:44:58,964 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_msg_vf [2022-11-26 00:44:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-26 00:44:58,964 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-26 00:44:58,965 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-11-26 00:44:58,965 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-11-26 00:44:58,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-26 00:44:58,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-26 00:44:58,965 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-26 00:44:58,966 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-26 00:44:58,966 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-26 00:44:58,966 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-26 00:44:58,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-26 00:44:58,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-26 00:44:58,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:44:58,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-26 00:44:58,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-11-26 00:44:58,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-26 00:44:58,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-26 00:44:58,968 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure_msix [2022-11-26 00:44:58,968 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure_msix [2022-11-26 00:44:58,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:44:58,969 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_open [2022-11-26 00:44:58,969 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_open [2022-11-26 00:44:58,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-26 00:44:58,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-26 00:44:58,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:44:58,969 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-26 00:44:58,970 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-26 00:44:58,970 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_nway_reset [2022-11-26 00:44:58,970 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_nway_reset [2022-11-26 00:44:58,970 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_posted_mbx [2022-11-26 00:44:58,970 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_posted_mbx [2022-11-26 00:44:58,971 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-26 00:44:58,971 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-26 00:44:58,971 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_enable [2022-11-26 00:44:58,971 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_enable [2022-11-26 00:44:58,971 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-26 00:44:58,971 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-26 00:44:58,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-26 00:44:58,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-26 00:44:58,972 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_update_stats [2022-11-26 00:44:58,972 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_update_stats [2022-11-26 00:44:58,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2022-11-26 00:44:58,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2022-11-26 00:44:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-26 00:44:58,973 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-26 00:44:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_bit_vf [2022-11-26 00:44:58,973 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_bit_vf [2022-11-26 00:44:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_hw_vf [2022-11-26 00:44:58,974 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_hw_vf [2022-11-26 00:44:58,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:44:58,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:44:58,974 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_ack [2022-11-26 00:44:58,974 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_ack [2022-11-26 00:44:58,975 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-26 00:44:58,975 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-26 00:44:58,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-26 00:44:58,975 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-26 00:44:58,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-26 00:44:58,975 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set_vf [2022-11-26 00:44:58,976 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set_vf [2022-11-26 00:44:58,976 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-26 00:44:58,976 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-26 00:44:58,976 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_down [2022-11-26 00:44:58,976 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_down [2022-11-26 00:44:58,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-26 00:44:58,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-26 00:44:58,977 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_irq [2022-11-26 00:44:58,977 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_irq [2022-11-26 00:44:58,977 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-26 00:44:58,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-26 00:44:58,978 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-26 00:44:58,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-26 00:44:58,978 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link_vf [2022-11-26 00:44:58,979 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link_vf [2022-11-26 00:44:58,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:44:58,979 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:44:58,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-26 00:44:58,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-26 00:44:58,980 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_v2p_mailbox [2022-11-26 00:44:58,980 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_v2p_mailbox [2022-11-26 00:44:58,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-26 00:44:58,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-26 00:44:58,980 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-26 00:44:58,981 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-26 00:44:58,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-26 00:44:58,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-26 00:44:58,981 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-26 00:44:58,981 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-26 00:44:58,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:44:58,982 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-26 00:44:58,982 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-26 00:44:58,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-26 00:44:58,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-26 00:44:58,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:44:58,983 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_rx_resources [2022-11-26 00:44:58,983 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_rx_resources [2022-11-26 00:44:58,983 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-26 00:44:58,983 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-26 00:44:58,983 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-26 00:44:58,984 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-26 00:44:58,984 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-26 00:44:58,984 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-26 00:44:58,984 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-26 00:44:58,984 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-26 00:44:58,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-26 00:44:58,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-26 00:44:58,985 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_msg [2022-11-26 00:44:58,985 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_msg [2022-11-26 00:44:58,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-26 00:44:58,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-26 00:44:58,986 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-26 00:44:58,986 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-26 00:44:58,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-26 00:44:58,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-26 00:44:58,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-11-26 00:44:58,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-11-26 00:44:58,987 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-26 00:44:58,987 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-26 00:44:58,987 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_shutdown [2022-11-26 00:44:58,987 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_shutdown [2022-11-26 00:44:58,988 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-26 00:44:58,988 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-26 00:44:58,988 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_eeprom_len [2022-11-26 00:44:58,988 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_eeprom_len [2022-11-26 00:44:58,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:44:58,989 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2022-11-26 00:44:58,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2022-11-26 00:44:58,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-26 00:44:58,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-26 00:44:58,989 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_resume [2022-11-26 00:44:58,990 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_resume [2022-11-26 00:44:58,990 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_tx_timeout [2022-11-26 00:44:58,990 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_tx_timeout [2022-11-26 00:44:58,990 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-26 00:44:58,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-26 00:44:58,991 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-26 00:44:58,991 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-26 00:44:58,991 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_up [2022-11-26 00:44:58,991 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_up [2022-11-26 00:44:58,991 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-11-26 00:44:58,992 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-11-26 00:44:58,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-26 00:44:58,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-26 00:44:58,992 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-26 00:44:58,992 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-26 00:44:58,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-26 00:44:58,993 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-26 00:44:58,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-26 00:44:58,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-26 00:44:58,993 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_function_pointers_vf [2022-11-26 00:44:58,993 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_function_pointers_vf [2022-11-26 00:44:58,994 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-26 00:44:58,994 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-26 00:44:58,994 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-26 00:44:58,994 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-26 00:44:58,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-26 00:44:58,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-26 00:44:58,995 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_alloc_rx_buffers [2022-11-26 00:44:58,995 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_alloc_rx_buffers [2022-11-26 00:44:58,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-26 00:44:58,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-26 00:44:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_mac_addr_vf [2022-11-26 00:44:58,996 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_mac_addr_vf [2022-11-26 00:44:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_close [2022-11-26 00:44:58,996 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_close [2022-11-26 00:44:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-26 00:44:58,996 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-26 00:44:58,999 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw_vf [2022-11-26 00:44:58,999 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw_vf [2022-11-26 00:44:58,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-26 00:44:59,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-26 00:44:59,000 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-26 00:44:59,000 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-26 00:44:59,000 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_irq [2022-11-26 00:44:59,000 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_irq [2022-11-26 00:44:59,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-26 00:44:59,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-26 00:44:59,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-26 00:44:59,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-26 00:44:59,001 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-26 00:44:59,002 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-26 00:44:59,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:44:59,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-26 00:44:59,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-26 00:44:59,002 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-26 00:44:59,003 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-26 00:44:59,003 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-26 00:44:59,003 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-26 00:44:59,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-26 00:44:59,003 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-26 00:44:59,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-26 00:44:59,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-26 00:44:59,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-26 00:44:59,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-26 00:44:59,004 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-26 00:44:59,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-26 00:44:59,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-26 00:44:59,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-26 00:44:59,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-26 00:44:59,005 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-26 00:44:59,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-26 00:44:59,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-26 00:44:59,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-26 00:44:59,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-26 00:44:59,006 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_tx_resources [2022-11-26 00:44:59,007 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_tx_resources [2022-11-26 00:44:59,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-26 00:44:59,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-26 00:44:59,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2022-11-26 00:44:59,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2022-11-26 00:44:59,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_2 [2022-11-26 00:44:59,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_2 [2022-11-26 00:44:59,008 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-26 00:44:59,008 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-26 00:44:59,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-26 00:44:59,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-26 00:44:59,009 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2022-11-26 00:44:59,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2022-11-26 00:44:59,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2022-11-26 00:44:59,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2022-11-26 00:44:59,009 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-26 00:44:59,010 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-26 00:44:59,010 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-26 00:44:59,010 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-26 00:44:59,010 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-26 00:44:59,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-26 00:44:59,011 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset [2022-11-26 00:44:59,011 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset [2022-11-26 00:44:59,011 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-26 00:44:59,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-26 00:44:59,011 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-26 00:44:59,012 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-26 00:44:59,012 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reinit_locked [2022-11-26 00:44:59,012 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reinit_locked [2022-11-26 00:44:59,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-26 00:44:59,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-26 00:44:59,013 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_vlan_rx_add_vid [2022-11-26 00:44:59,013 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_vlan_rx_add_vid [2022-11-26 00:44:59,013 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-26 00:44:59,013 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-26 00:44:59,013 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-26 00:44:59,014 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-26 00:44:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-26 00:44:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-26 00:44:59,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-26 00:44:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-26 00:44:59,015 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-26 00:44:59,015 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-26 00:44:59,015 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-26 00:44:59,015 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_regs_len [2022-11-26 00:44:59,015 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_regs_len [2022-11-26 00:44:59,016 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-26 00:44:59,016 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-26 00:44:59,016 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-26 00:44:59,016 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-26 00:44:59,016 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-26 00:44:59,017 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-26 00:44:59,017 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_ring [2022-11-26 00:44:59,017 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_ring [2022-11-26 00:44:59,017 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-26 00:44:59,017 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-26 00:44:59,018 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_remove [2022-11-26 00:44:59,018 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_remove [2022-11-26 00:44:59,018 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-26 00:44:59,018 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-26 00:44:59,018 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-26 00:44:59,019 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-26 00:44:59,019 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_disable [2022-11-26 00:44:59,019 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_disable [2022-11-26 00:44:59,019 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure [2022-11-26 00:44:59,019 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure [2022-11-26 00:44:59,020 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_rx_ring [2022-11-26 00:44:59,020 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_rx_ring [2022-11-26 00:44:59,020 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2022-11-26 00:44:59,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2022-11-26 00:44:59,020 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_obtain_mbx_lock_vf [2022-11-26 00:44:59,021 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_obtain_mbx_lock_vf [2022-11-26 00:44:59,021 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-11-26 00:44:59,021 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-11-26 00:44:59,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:44:59,021 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_ack_vf [2022-11-26 00:44:59,022 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_ack_vf [2022-11-26 00:44:59,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-26 00:44:59,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-26 00:44:59,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-26 00:44:59,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-26 00:44:59,023 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_request_irq [2022-11-26 00:44:59,023 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_request_irq [2022-11-26 00:44:59,023 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_resume [2022-11-26 00:44:59,023 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_resume [2022-11-26 00:44:59,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-26 00:44:59,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-26 00:44:59,024 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_put_txbuf [2022-11-26 00:44:59,024 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_put_txbuf [2022-11-26 00:44:59,024 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2022-11-26 00:44:59,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2022-11-26 00:44:59,025 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-26 00:44:59,025 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-26 00:44:59,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-26 00:44:59,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-26 00:44:59,025 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-26 00:44:59,026 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-26 00:44:59,026 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_tx_resources [2022-11-26 00:44:59,026 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_tx_resources [2022-11-26 00:44:59,026 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-26 00:44:59,026 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-26 00:44:59,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-26 00:44:59,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-26 00:44:59,027 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-26 00:44:59,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-26 00:44:59,027 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2022-11-26 00:44:59,028 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2022-11-26 00:44:59,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-26 00:44:59,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-26 00:44:59,028 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-26 00:44:59,028 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-26 00:44:59,029 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-26 00:44:59,029 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-26 00:44:59,029 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-26 00:44:59,029 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-26 00:44:59,029 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_rx_resources [2022-11-26 00:44:59,029 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_rx_resources [2022-11-26 00:44:59,030 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_multi [2022-11-26 00:44:59,030 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_multi [2022-11-26 00:44:59,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-26 00:44:59,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-26 00:44:59,030 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-26 00:44:59,031 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-26 00:44:59,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-26 00:44:59,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-26 00:44:59,031 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_posted_mbx [2022-11-26 00:44:59,032 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_posted_mbx [2022-11-26 00:44:59,032 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-26 00:44:59,032 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-26 00:44:59,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:44:59,032 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-26 00:45:00,702 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:45:00,706 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:45:00,802 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-26 00:45:09,958 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:45:12,387 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:45:12,387 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-26 00:45:12,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:45:12 BoogieIcfgContainer [2022-11-26 00:45:12,394 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:45:12,398 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:45:12,398 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:45:12,402 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:45:12,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:44:49" (1/3) ... [2022-11-26 00:45:12,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77942936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:45:12, skipping insertion in model container [2022-11-26 00:45:12,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:44:57" (2/3) ... [2022-11-26 00:45:12,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77942936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:45:12, skipping insertion in model container [2022-11-26 00:45:12,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:45:12" (3/3) ... [2022-11-26 00:45:12,406 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i [2022-11-26 00:45:12,434 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:45:12,435 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2022-11-26 00:45:12,564 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:45:12,576 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;@95983dc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:45:12,576 INFO L358 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2022-11-26 00:45:12,591 INFO L276 IsEmpty]: Start isEmpty. Operand has 2315 states, 1338 states have (on average 1.2727952167414052) internal successors, (1703), 1424 states have internal predecessors, (1703), 766 states have call successors, (766), 182 states have call predecessors, (766), 181 states have return successors, (760), 743 states have call predecessors, (760), 760 states have call successors, (760) [2022-11-26 00:45:12,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-26 00:45:12,604 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:45:12,605 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] [2022-11-26 00:45:12,606 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_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-26 00:45:12,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:45:12,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1020448489, now seen corresponding path program 1 times [2022-11-26 00:45:12,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:45:12,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787648673] [2022-11-26 00:45:12,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:45:12,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:45:13,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:45:14,168 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 00:45:14,170 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:45:14,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787648673] [2022-11-26 00:45:14,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787648673] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:45:14,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:45:14,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:45:14,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25613847] [2022-11-26 00:45:14,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:45:14,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:45:14,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:45:14,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:45:14,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:45:14,256 INFO L87 Difference]: Start difference. First operand has 2315 states, 1338 states have (on average 1.2727952167414052) internal successors, (1703), 1424 states have internal predecessors, (1703), 766 states have call successors, (766), 182 states have call predecessors, (766), 181 states have return successors, (760), 743 states have call predecessors, (760), 760 states have call successors, (760) Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 00:45:16,659 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 00:45:18,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:45:20,140 WARN L539 Checker$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 00:45:23,507 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 00:45:28,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:45:28,544 INFO L93 Difference]: Finished difference Result 6173 states and 8670 transitions. [2022-11-26 00:45:28,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:45:28,547 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 47 [2022-11-26 00:45:28,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:45:28,611 INFO L225 Difference]: With dead ends: 6173 [2022-11-26 00:45:28,612 INFO L226 Difference]: Without dead ends: 3856 [2022-11-26 00:45:28,637 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 00:45:28,641 INFO L413 NwaCegarLoop]: 3901 mSDtfsCounter, 2074 mSDsluCounter, 6676 mSDsCounter, 0 mSdLazyCounter, 1459 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2076 SdHoareTripleChecker+Valid, 10577 SdHoareTripleChecker+Invalid, 1462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1459 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:45:28,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2076 Valid, 10577 Invalid, 1462 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1459 Invalid, 2 Unknown, 0 Unchecked, 13.7s Time] [2022-11-26 00:45:28,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3856 states. [2022-11-26 00:45:29,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3856 to 3680. [2022-11-26 00:45:29,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3680 states, 2127 states have (on average 1.2360131640808651) internal successors, (2629), 2236 states have internal predecessors, (2629), 1208 states have call successors, (1208), 318 states have call predecessors, (1208), 316 states have return successors, (1206), 1182 states have call predecessors, (1206), 1206 states have call successors, (1206) [2022-11-26 00:45:29,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3680 states to 3680 states and 5043 transitions. [2022-11-26 00:45:29,181 INFO L78 Accepts]: Start accepts. Automaton has 3680 states and 5043 transitions. Word has length 47 [2022-11-26 00:45:29,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:45:29,182 INFO L495 AbstractCegarLoop]: Abstraction has 3680 states and 5043 transitions. [2022-11-26 00:45:29,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 00:45:29,182 INFO L276 IsEmpty]: Start isEmpty. Operand 3680 states and 5043 transitions. [2022-11-26 00:45:29,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-26 00:45:29,185 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:45:29,186 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] [2022-11-26 00:45:29,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:45:29,186 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_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-26 00:45:29,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:45:29,187 INFO L85 PathProgramCache]: Analyzing trace with hash 21315754, now seen corresponding path program 1 times [2022-11-26 00:45:29,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:45:29,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756534650] [2022-11-26 00:45:29,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:45:29,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:45:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:45:29,989 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 00:45:29,989 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:45:29,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756534650] [2022-11-26 00:45:29,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756534650] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:45:29,990 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:45:29,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:45:29,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133985974] [2022-11-26 00:45:29,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:45:29,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:45:29,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:45:29,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:45:29,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:45:29,993 INFO L87 Difference]: Start difference. First operand 3680 states and 5043 transitions. 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, (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 00:45:32,223 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 00:45:34,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:45:36,013 WARN L539 Checker$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 00:45:40,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:45:44,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:45:44,353 INFO L93 Difference]: Finished difference Result 5258 states and 7120 transitions. [2022-11-26 00:45:44,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:45:44,354 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, (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 52 [2022-11-26 00:45:44,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:45:44,397 INFO L225 Difference]: With dead ends: 5258 [2022-11-26 00:45:44,397 INFO L226 Difference]: Without dead ends: 5256 [2022-11-26 00:45:44,403 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 00:45:44,404 INFO L413 NwaCegarLoop]: 3890 mSDtfsCounter, 2082 mSDsluCounter, 6646 mSDsCounter, 0 mSdLazyCounter, 1449 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2084 SdHoareTripleChecker+Valid, 10536 SdHoareTripleChecker+Invalid, 1452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1449 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:45:44,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2084 Valid, 10536 Invalid, 1452 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1449 Invalid, 2 Unknown, 0 Unchecked, 14.0s Time] [2022-11-26 00:45:44,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5256 states. [2022-11-26 00:45:44,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5256 to 5091. [2022-11-26 00:45:44,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5091 states, 2940 states have (on average 1.2306122448979593) internal successors, (3618), 3075 states have internal predecessors, (3618), 1665 states have call successors, (1665), 459 states have call predecessors, (1665), 457 states have return successors, (1663), 1634 states have call predecessors, (1663), 1663 states have call successors, (1663) [2022-11-26 00:45:44,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5091 states to 5091 states and 6946 transitions. [2022-11-26 00:45:44,795 INFO L78 Accepts]: Start accepts. Automaton has 5091 states and 6946 transitions. Word has length 52 [2022-11-26 00:45:44,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:45:44,797 INFO L495 AbstractCegarLoop]: Abstraction has 5091 states and 6946 transitions. [2022-11-26 00:45:44,797 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, (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 00:45:44,797 INFO L276 IsEmpty]: Start isEmpty. Operand 5091 states and 6946 transitions. [2022-11-26 00:45:44,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-26 00:45:44,802 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:45:44,802 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] [2022-11-26 00:45:44,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:45:44,803 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_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-26 00:45:44,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:45:44,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1983517526, now seen corresponding path program 1 times [2022-11-26 00:45:44,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:45:44,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154488467] [2022-11-26 00:45:44,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:45:44,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:45:44,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:45:45,525 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 00:45:45,525 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:45:45,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154488467] [2022-11-26 00:45:45,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154488467] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:45:45,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:45:45,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:45:45,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420847929] [2022-11-26 00:45:45,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:45:45,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:45:45,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:45:45,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:45:45,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:45:45,529 INFO L87 Difference]: Start difference. First operand 5091 states and 6946 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, (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 00:45:46,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:45:48,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:45:50,179 WARN L539 Checker$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 00:45:53,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:45:53,695 INFO L93 Difference]: Finished difference Result 5091 states and 6946 transitions. [2022-11-26 00:45:53,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:45:53,695 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, (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 57 [2022-11-26 00:45:53,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:45:53,738 INFO L225 Difference]: With dead ends: 5091 [2022-11-26 00:45:53,738 INFO L226 Difference]: Without dead ends: 5089 [2022-11-26 00:45:53,742 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 00:45:53,745 INFO L413 NwaCegarLoop]: 2780 mSDtfsCounter, 3154 mSDsluCounter, 2780 mSDsCounter, 0 mSdLazyCounter, 788 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3156 SdHoareTripleChecker+Valid, 5560 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 788 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:45:53,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3156 Valid, 5560 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 788 Invalid, 1 Unknown, 0 Unchecked, 7.8s Time] [2022-11-26 00:45:53,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5089 states. [2022-11-26 00:45:54,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5089 to 5089. [2022-11-26 00:45:54,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5089 states, 2939 states have (on average 1.2303504593399115) internal successors, (3616), 3073 states have internal predecessors, (3616), 1665 states have call successors, (1665), 459 states have call predecessors, (1665), 457 states have return successors, (1663), 1634 states have call predecessors, (1663), 1663 states have call successors, (1663) [2022-11-26 00:45:54,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5089 states to 5089 states and 6944 transitions. [2022-11-26 00:45:54,196 INFO L78 Accepts]: Start accepts. Automaton has 5089 states and 6944 transitions. Word has length 57 [2022-11-26 00:45:54,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:45:54,199 INFO L495 AbstractCegarLoop]: Abstraction has 5089 states and 6944 transitions. [2022-11-26 00:45:54,200 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, (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 00:45:54,200 INFO L276 IsEmpty]: Start isEmpty. Operand 5089 states and 6944 transitions. [2022-11-26 00:45:54,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-26 00:45:54,210 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:45:54,210 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] [2022-11-26 00:45:54,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:45:54,210 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_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-26 00:45:54,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:45:54,211 INFO L85 PathProgramCache]: Analyzing trace with hash 2075403418, now seen corresponding path program 1 times [2022-11-26 00:45:54,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:45:54,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532497660] [2022-11-26 00:45:54,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:45:54,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:45:54,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:45:54,887 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 00:45:54,887 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:45:54,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532497660] [2022-11-26 00:45:54,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532497660] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:45:54,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:45:54,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:45:54,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656231768] [2022-11-26 00:45:54,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:45:54,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:45:54,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:45:54,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:45:54,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:45:54,890 INFO L87 Difference]: Start difference. First operand 5089 states and 6944 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, (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 00:45:56,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:45:58,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:45:59,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:46:02,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:46:02,862 INFO L93 Difference]: Finished difference Result 5089 states and 6944 transitions. [2022-11-26 00:46:02,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:46:02,863 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, (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 62 [2022-11-26 00:46:02,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:46:02,901 INFO L225 Difference]: With dead ends: 5089 [2022-11-26 00:46:02,902 INFO L226 Difference]: Without dead ends: 5087 [2022-11-26 00:46:02,907 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 00:46:02,910 INFO L413 NwaCegarLoop]: 2778 mSDtfsCounter, 3151 mSDsluCounter, 2778 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3153 SdHoareTripleChecker+Valid, 5556 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:46:02,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3153 Valid, 5556 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2022-11-26 00:46:02,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5087 states. [2022-11-26 00:46:03,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5087 to 5087. [2022-11-26 00:46:03,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5087 states, 2938 states have (on average 1.2300884955752212) internal successors, (3614), 3071 states have internal predecessors, (3614), 1665 states have call successors, (1665), 459 states have call predecessors, (1665), 457 states have return successors, (1663), 1634 states have call predecessors, (1663), 1663 states have call successors, (1663) [2022-11-26 00:46:03,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5087 states to 5087 states and 6942 transitions. [2022-11-26 00:46:03,303 INFO L78 Accepts]: Start accepts. Automaton has 5087 states and 6942 transitions. Word has length 62 [2022-11-26 00:46:03,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:46:03,304 INFO L495 AbstractCegarLoop]: Abstraction has 5087 states and 6942 transitions. [2022-11-26 00:46:03,306 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, (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 00:46:03,306 INFO L276 IsEmpty]: Start isEmpty. Operand 5087 states and 6942 transitions. [2022-11-26 00:46:03,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-26 00:46:03,309 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:46:03,310 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] [2022-11-26 00:46:03,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:46:03,311 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_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-26 00:46:03,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:46:03,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1021105611, now seen corresponding path program 1 times [2022-11-26 00:46:03,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:46:03,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104274039] [2022-11-26 00:46:03,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:46:03,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:46:03,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:46:03,945 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 00:46:03,946 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:46:03,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104274039] [2022-11-26 00:46:03,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104274039] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:46:03,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:46:03,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:46:03,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509524210] [2022-11-26 00:46:03,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:46:03,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:46:03,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:46:03,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:46:03,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:46:03,950 INFO L87 Difference]: Start difference. First operand 5087 states and 6942 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, (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 00:46:05,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:46:07,507 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 00:46:11,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:46:11,867 INFO L93 Difference]: Finished difference Result 5087 states and 6942 transitions. [2022-11-26 00:46:11,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:46:11,868 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, (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 67 [2022-11-26 00:46:11,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:46:11,905 INFO L225 Difference]: With dead ends: 5087 [2022-11-26 00:46:11,905 INFO L226 Difference]: Without dead ends: 5085 [2022-11-26 00:46:11,910 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 00:46:11,911 INFO L413 NwaCegarLoop]: 2776 mSDtfsCounter, 3148 mSDsluCounter, 2776 mSDsCounter, 0 mSdLazyCounter, 788 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3150 SdHoareTripleChecker+Valid, 5552 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 788 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:46:11,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3150 Valid, 5552 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 788 Invalid, 1 Unknown, 0 Unchecked, 7.6s Time] [2022-11-26 00:46:11,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5085 states. [2022-11-26 00:46:12,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5085 to 5085. [2022-11-26 00:46:12,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5085 states, 2937 states have (on average 1.229826353421859) internal successors, (3612), 3069 states have internal predecessors, (3612), 1665 states have call successors, (1665), 459 states have call predecessors, (1665), 457 states have return successors, (1663), 1634 states have call predecessors, (1663), 1663 states have call successors, (1663) [2022-11-26 00:46:12,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5085 states to 5085 states and 6940 transitions. [2022-11-26 00:46:12,299 INFO L78 Accepts]: Start accepts. Automaton has 5085 states and 6940 transitions. Word has length 67 [2022-11-26 00:46:12,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:46:12,300 INFO L495 AbstractCegarLoop]: Abstraction has 5085 states and 6940 transitions. [2022-11-26 00:46:12,300 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, (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 00:46:12,300 INFO L276 IsEmpty]: Start isEmpty. Operand 5085 states and 6940 transitions. [2022-11-26 00:46:12,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-26 00:46:12,303 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:46:12,303 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] [2022-11-26 00:46:12,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 00:46:12,304 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_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-26 00:46:12,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:46:12,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1554496655, now seen corresponding path program 1 times [2022-11-26 00:46:12,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:46:12,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334488605] [2022-11-26 00:46:12,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:46:12,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:46:12,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:46:12,854 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 00:46:12,855 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:46:12,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334488605] [2022-11-26 00:46:12,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334488605] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:46:12,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:46:12,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:46:12,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22983680] [2022-11-26 00:46:12,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:46:12,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:46:12,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:46:12,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:46:12,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:46:12,858 INFO L87 Difference]: Start difference. First operand 5085 states and 6940 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, (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 00:46:15,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:46:19,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:46:19,556 INFO L93 Difference]: Finished difference Result 5085 states and 6940 transitions. [2022-11-26 00:46:19,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:46:19,557 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, (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 72 [2022-11-26 00:46:19,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:46:19,592 INFO L225 Difference]: With dead ends: 5085 [2022-11-26 00:46:19,592 INFO L226 Difference]: Without dead ends: 5083 [2022-11-26 00:46:19,598 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 00:46:19,599 INFO L413 NwaCegarLoop]: 2774 mSDtfsCounter, 3145 mSDsluCounter, 2774 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3147 SdHoareTripleChecker+Valid, 5548 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:46:19,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3147 Valid, 5548 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-11-26 00:46:19,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5083 states. [2022-11-26 00:46:19,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5083 to 5083. [2022-11-26 00:46:19,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5083 states, 2936 states have (on average 1.2295640326975477) internal successors, (3610), 3067 states have internal predecessors, (3610), 1665 states have call successors, (1665), 459 states have call predecessors, (1665), 457 states have return successors, (1663), 1634 states have call predecessors, (1663), 1663 states have call successors, (1663) [2022-11-26 00:46:20,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5083 states to 5083 states and 6938 transitions. [2022-11-26 00:46:20,003 INFO L78 Accepts]: Start accepts. Automaton has 5083 states and 6938 transitions. Word has length 72 [2022-11-26 00:46:20,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:46:20,006 INFO L495 AbstractCegarLoop]: Abstraction has 5083 states and 6938 transitions. [2022-11-26 00:46:20,006 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, (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 00:46:20,006 INFO L276 IsEmpty]: Start isEmpty. Operand 5083 states and 6938 transitions. [2022-11-26 00:46:20,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-26 00:46:20,009 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:46:20,009 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 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] [2022-11-26 00:46:20,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 00:46:20,010 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-26 00:46:20,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:46:20,010 INFO L85 PathProgramCache]: Analyzing trace with hash -2090098197, now seen corresponding path program 1 times [2022-11-26 00:46:20,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:46:20,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685180810] [2022-11-26 00:46:20,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:46:20,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:46:20,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:46:20,514 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-26 00:46:20,515 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:46:20,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685180810] [2022-11-26 00:46:20,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685180810] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:46:20,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:46:20,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:46:20,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834008101] [2022-11-26 00:46:20,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:46:20,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:46:20,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:46:20,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:46:20,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:46:20,518 INFO L87 Difference]: Start difference. First operand 5083 states and 6938 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-26 00:46:22,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:46:24,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:46:28,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:46:28,555 INFO L93 Difference]: Finished difference Result 11282 states and 15335 transitions. [2022-11-26 00:46:28,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:46:28,555 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 89 [2022-11-26 00:46:28,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:46:28,601 INFO L225 Difference]: With dead ends: 11282 [2022-11-26 00:46:28,602 INFO L226 Difference]: Without dead ends: 6217 [2022-11-26 00:46:28,627 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 00:46:28,628 INFO L413 NwaCegarLoop]: 3222 mSDtfsCounter, 2355 mSDsluCounter, 1990 mSDsCounter, 0 mSdLazyCounter, 720 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2355 SdHoareTripleChecker+Valid, 5212 SdHoareTripleChecker+Invalid, 721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:46:28,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2355 Valid, 5212 Invalid, 721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 720 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2022-11-26 00:46:28,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6217 states. [2022-11-26 00:46:29,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6217 to 6203. [2022-11-26 00:46:29,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6203 states, 3581 states have (on average 1.2239597877687796) internal successors, (4383), 3727 states have internal predecessors, (4383), 2016 states have call successors, (2016), 583 states have call predecessors, (2016), 581 states have return successors, (2014), 1983 states have call predecessors, (2014), 2014 states have call successors, (2014) [2022-11-26 00:46:29,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6203 states to 6203 states and 8413 transitions. [2022-11-26 00:46:29,123 INFO L78 Accepts]: Start accepts. Automaton has 6203 states and 8413 transitions. Word has length 89 [2022-11-26 00:46:29,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:46:29,125 INFO L495 AbstractCegarLoop]: Abstraction has 6203 states and 8413 transitions. [2022-11-26 00:46:29,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-26 00:46:29,126 INFO L276 IsEmpty]: Start isEmpty. Operand 6203 states and 8413 transitions. [2022-11-26 00:46:29,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-26 00:46:29,134 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:46:29,134 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] [2022-11-26 00:46:29,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-26 00:46:29,136 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-26 00:46:29,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:46:29,137 INFO L85 PathProgramCache]: Analyzing trace with hash -2051703172, now seen corresponding path program 1 times [2022-11-26 00:46:29,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:46:29,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426906400] [2022-11-26 00:46:29,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:46:29,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:46:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:46:29,744 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 00:46:29,744 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:46:29,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426906400] [2022-11-26 00:46:29,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426906400] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:46:29,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:46:29,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:46:29,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127373084] [2022-11-26 00:46:29,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:46:29,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:46:29,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:46:29,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:46:29,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:46:29,748 INFO L87 Difference]: Start difference. First operand 6203 states and 8413 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, (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 00:46:31,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:46:33,878 WARN L539 Checker$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 00:46:35,903 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 00:46:38,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:46:38,924 INFO L93 Difference]: Finished difference Result 6211 states and 8448 transitions. [2022-11-26 00:46:38,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:46:38,925 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, (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 77 [2022-11-26 00:46:38,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:46:38,955 INFO L225 Difference]: With dead ends: 6211 [2022-11-26 00:46:38,955 INFO L226 Difference]: Without dead ends: 6209 [2022-11-26 00:46:38,961 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 00:46:38,962 INFO L413 NwaCegarLoop]: 2773 mSDtfsCounter, 3140 mSDsluCounter, 2773 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3155 SdHoareTripleChecker+Valid, 5546 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:46:38,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3155 Valid, 5546 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 789 Invalid, 2 Unknown, 0 Unchecked, 8.7s Time] [2022-11-26 00:46:38,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6209 states. [2022-11-26 00:46:39,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6209 to 6201. [2022-11-26 00:46:39,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6201 states, 3580 states have (on average 1.2237430167597765) internal successors, (4381), 3725 states have internal predecessors, (4381), 2016 states have call successors, (2016), 583 states have call predecessors, (2016), 581 states have return successors, (2014), 1983 states have call predecessors, (2014), 2014 states have call successors, (2014) [2022-11-26 00:46:39,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6201 states to 6201 states and 8411 transitions. [2022-11-26 00:46:39,515 INFO L78 Accepts]: Start accepts. Automaton has 6201 states and 8411 transitions. Word has length 77 [2022-11-26 00:46:39,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:46:39,515 INFO L495 AbstractCegarLoop]: Abstraction has 6201 states and 8411 transitions. [2022-11-26 00:46:39,516 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, (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 00:46:39,516 INFO L276 IsEmpty]: Start isEmpty. Operand 6201 states and 8411 transitions. [2022-11-26 00:46:39,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-26 00:46:39,518 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:46:39,518 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-26 00:46:39,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-26 00:46:39,518 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-26 00:46:39,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:46:39,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1717434552, now seen corresponding path program 1 times [2022-11-26 00:46:39,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:46:39,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607371246] [2022-11-26 00:46:39,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:46:39,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:46:39,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:46:40,041 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-11-26 00:46:40,041 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:46:40,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607371246] [2022-11-26 00:46:40,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607371246] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:46:40,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1703947403] [2022-11-26 00:46:40,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:46:40,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:46:40,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9663ecc6-30e8-4e3c-9583-afb63a8bd438/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:46:40,050 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9663ecc6-30e8-4e3c-9583-afb63a8bd438/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:46:40,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9663ecc6-30e8-4e3c-9583-afb63a8bd438/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:46:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:46:41,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 3102 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:46:41,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:46:41,963 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-26 00:46:41,963 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:46:41,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1703947403] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:46:41,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:46:41,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-11-26 00:46:41,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470431921] [2022-11-26 00:46:41,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:46:41,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:46:41,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:46:41,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:46:41,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-26 00:46:41,966 INFO L87 Difference]: Start difference. First operand 6201 states and 8411 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-26 00:46:43,298 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 00:46:44,485 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 00:46:46,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:46:46,372 INFO L93 Difference]: Finished difference Result 12376 states and 16784 transitions. [2022-11-26 00:46:46,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:46:46,373 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 94 [2022-11-26 00:46:46,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:46:46,404 INFO L225 Difference]: With dead ends: 12376 [2022-11-26 00:46:46,404 INFO L226 Difference]: Without dead ends: 6193 [2022-11-26 00:46:46,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 94 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 00:46:46,442 INFO L413 NwaCegarLoop]: 2768 mSDtfsCounter, 3148 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3148 SdHoareTripleChecker+Valid, 2768 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:46:46,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3148 Valid, 2768 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-11-26 00:46:46,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6193 states. [2022-11-26 00:46:47,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6193 to 6193. [2022-11-26 00:46:47,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6193 states, 3573 states have (on average 1.2225020990764064) internal successors, (4368), 3717 states have internal predecessors, (4368), 2016 states have call successors, (2016), 583 states have call predecessors, (2016), 581 states have return successors, (2014), 1983 states have call predecessors, (2014), 2014 states have call successors, (2014) [2022-11-26 00:46:47,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6193 states to 6193 states and 8398 transitions. [2022-11-26 00:46:47,076 INFO L78 Accepts]: Start accepts. Automaton has 6193 states and 8398 transitions. Word has length 94 [2022-11-26 00:46:47,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:46:47,076 INFO L495 AbstractCegarLoop]: Abstraction has 6193 states and 8398 transitions. [2022-11-26 00:46:47,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-26 00:46:47,077 INFO L276 IsEmpty]: Start isEmpty. Operand 6193 states and 8398 transitions. [2022-11-26 00:46:47,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-26 00:46:47,078 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:46:47,079 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] [2022-11-26 00:46:47,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9663ecc6-30e8-4e3c-9583-afb63a8bd438/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:46:47,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9663ecc6-30e8-4e3c-9583-afb63a8bd438/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-26 00:46:47,296 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-26 00:46:47,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:46:47,296 INFO L85 PathProgramCache]: Analyzing trace with hash 490812873, now seen corresponding path program 1 times [2022-11-26 00:46:47,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:46:47,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543855753] [2022-11-26 00:46:47,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:46:47,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:46:47,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:46:47,826 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 00:46:47,827 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:46:47,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543855753] [2022-11-26 00:46:47,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543855753] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:46:47,827 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:46:47,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:46:47,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325821672] [2022-11-26 00:46:47,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:46:47,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:46:47,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:46:47,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:46:47,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:46:47,831 INFO L87 Difference]: Start difference. First operand 6193 states and 8398 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, (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 00:46:50,061 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 00:46:55,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:46:56,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:47:00,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:47:00,460 INFO L93 Difference]: Finished difference Result 6344 states and 8558 transitions. [2022-11-26 00:47:00,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:47:00,461 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, (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 82 [2022-11-26 00:47:00,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:47:00,496 INFO L225 Difference]: With dead ends: 6344 [2022-11-26 00:47:00,496 INFO L226 Difference]: Without dead ends: 6342 [2022-11-26 00:47:00,501 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 00:47:00,502 INFO L413 NwaCegarLoop]: 3951 mSDtfsCounter, 2062 mSDsluCounter, 6688 mSDsCounter, 0 mSdLazyCounter, 1477 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2064 SdHoareTripleChecker+Valid, 10639 SdHoareTripleChecker+Invalid, 1479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1477 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:47:00,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2064 Valid, 10639 Invalid, 1479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1477 Invalid, 1 Unknown, 0 Unchecked, 12.1s Time] [2022-11-26 00:47:00,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6342 states. [2022-11-26 00:47:01,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6342 to 6231. [2022-11-26 00:47:01,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6231 states, 3593 states have (on average 1.2215418870025048) internal successors, (4389), 3737 states have internal predecessors, (4389), 2028 states have call successors, (2028), 589 states have call predecessors, (2028), 587 states have return successors, (2026), 1995 states have call predecessors, (2026), 2026 states have call successors, (2026) [2022-11-26 00:47:01,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6231 states to 6231 states and 8443 transitions. [2022-11-26 00:47:01,146 INFO L78 Accepts]: Start accepts. Automaton has 6231 states and 8443 transitions. Word has length 82 [2022-11-26 00:47:01,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:47:01,147 INFO L495 AbstractCegarLoop]: Abstraction has 6231 states and 8443 transitions. [2022-11-26 00:47:01,148 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, (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 00:47:01,148 INFO L276 IsEmpty]: Start isEmpty. Operand 6231 states and 8443 transitions. [2022-11-26 00:47:01,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-26 00:47:01,150 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:47:01,150 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] [2022-11-26 00:47:01,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-26 00:47:01,150 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-26 00:47:01,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:47:01,151 INFO L85 PathProgramCache]: Analyzing trace with hash -775044308, now seen corresponding path program 1 times [2022-11-26 00:47:01,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:47:01,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584334355] [2022-11-26 00:47:01,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:47:01,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:47:01,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:47:01,693 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 00:47:01,693 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:47:01,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584334355] [2022-11-26 00:47:01,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584334355] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:47:01,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:47:01,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:47:01,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768682817] [2022-11-26 00:47:01,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:47:01,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:47:01,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:47:01,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:47:01,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:47:01,696 INFO L87 Difference]: Start difference. First operand 6231 states and 8443 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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 00:47:03,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:47:11,026 WARN L539 Checker$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 00:47:14,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:47:14,572 INFO L93 Difference]: Finished difference Result 6342 states and 8556 transitions. [2022-11-26 00:47:14,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:47:14,573 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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 84 [2022-11-26 00:47:14,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:47:14,606 INFO L225 Difference]: With dead ends: 6342 [2022-11-26 00:47:14,607 INFO L226 Difference]: Without dead ends: 6340 [2022-11-26 00:47:14,611 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 00:47:14,612 INFO L413 NwaCegarLoop]: 3922 mSDtfsCounter, 2050 mSDsluCounter, 6663 mSDsCounter, 0 mSdLazyCounter, 1468 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2052 SdHoareTripleChecker+Valid, 10585 SdHoareTripleChecker+Invalid, 1471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1468 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:47:14,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2052 Valid, 10585 Invalid, 1471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1468 Invalid, 2 Unknown, 0 Unchecked, 12.3s Time] [2022-11-26 00:47:14,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6340 states. [2022-11-26 00:47:15,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6340 to 6231. [2022-11-26 00:47:15,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6231 states, 3593 states have (on average 1.221263568048984) internal successors, (4388), 3737 states have internal predecessors, (4388), 2028 states have call successors, (2028), 589 states have call predecessors, (2028), 587 states have return successors, (2026), 1995 states have call predecessors, (2026), 2026 states have call successors, (2026) [2022-11-26 00:47:15,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6231 states to 6231 states and 8442 transitions. [2022-11-26 00:47:15,254 INFO L78 Accepts]: Start accepts. Automaton has 6231 states and 8442 transitions. Word has length 84 [2022-11-26 00:47:15,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:47:15,257 INFO L495 AbstractCegarLoop]: Abstraction has 6231 states and 8442 transitions. [2022-11-26 00:47:15,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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 00:47:15,257 INFO L276 IsEmpty]: Start isEmpty. Operand 6231 states and 8442 transitions. [2022-11-26 00:47:15,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-26 00:47:15,259 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:47:15,259 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] [2022-11-26 00:47:15,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-26 00:47:15,260 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_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-26 00:47:15,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:47:15,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1671082269, now seen corresponding path program 1 times [2022-11-26 00:47:15,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:47:15,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318485192] [2022-11-26 00:47:15,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:47:15,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:47:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:47:15,885 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 00:47:15,885 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:47:15,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318485192] [2022-11-26 00:47:15,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318485192] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:47:15,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:47:15,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:47:15,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111715769] [2022-11-26 00:47:15,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:47:15,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:47:15,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:47:15,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:47:15,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:47:15,888 INFO L87 Difference]: Start difference. First operand 6231 states and 8442 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, (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 00:47:17,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:47:19,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:47:21,456 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 00:47:24,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:47:24,818 INFO L93 Difference]: Finished difference Result 6231 states and 8442 transitions. [2022-11-26 00:47:24,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:47:24,819 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, (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 89 [2022-11-26 00:47:24,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:47:24,853 INFO L225 Difference]: With dead ends: 6231 [2022-11-26 00:47:24,853 INFO L226 Difference]: Without dead ends: 6229 [2022-11-26 00:47:24,859 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 00:47:24,860 INFO L413 NwaCegarLoop]: 2765 mSDtfsCounter, 3133 mSDsluCounter, 2765 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3135 SdHoareTripleChecker+Valid, 5530 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:47:24,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3135 Valid, 5530 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2022-11-26 00:47:24,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6229 states. [2022-11-26 00:47:25,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6229 to 6229. [2022-11-26 00:47:25,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6229 states, 3592 states have (on average 1.2210467706013364) internal successors, (4386), 3735 states have internal predecessors, (4386), 2028 states have call successors, (2028), 589 states have call predecessors, (2028), 587 states have return successors, (2026), 1995 states have call predecessors, (2026), 2026 states have call successors, (2026) [2022-11-26 00:47:25,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6229 states to 6229 states and 8440 transitions. [2022-11-26 00:47:25,607 INFO L78 Accepts]: Start accepts. Automaton has 6229 states and 8440 transitions. Word has length 89 [2022-11-26 00:47:25,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:47:25,608 INFO L495 AbstractCegarLoop]: Abstraction has 6229 states and 8440 transitions. [2022-11-26 00:47:25,608 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, (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 00:47:25,609 INFO L276 IsEmpty]: Start isEmpty. Operand 6229 states and 8440 transitions. [2022-11-26 00:47:25,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-26 00:47:25,610 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:47:25,611 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] [2022-11-26 00:47:25,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-26 00:47:25,611 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-26 00:47:25,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:47:25,612 INFO L85 PathProgramCache]: Analyzing trace with hash -611997898, now seen corresponding path program 1 times [2022-11-26 00:47:25,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:47:25,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806462909] [2022-11-26 00:47:25,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:47:25,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:47:25,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:47:26,142 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 00:47:26,142 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:47:26,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806462909] [2022-11-26 00:47:26,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806462909] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:47:26,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:47:26,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:47:26,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75484564] [2022-11-26 00:47:26,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:47:26,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:47:26,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:47:26,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:47:26,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:47:26,146 INFO L87 Difference]: Start difference. First operand 6229 states and 8440 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, (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 00:47:27,939 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 00:47:29,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:47:32,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:47:35,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:47:35,165 INFO L93 Difference]: Finished difference Result 6229 states and 8440 transitions. [2022-11-26 00:47:35,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:47:35,166 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, (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 94 [2022-11-26 00:47:35,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:47:35,188 INFO L225 Difference]: With dead ends: 6229 [2022-11-26 00:47:35,189 INFO L226 Difference]: Without dead ends: 6227 [2022-11-26 00:47:35,192 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 00:47:35,193 INFO L413 NwaCegarLoop]: 2763 mSDtfsCounter, 3130 mSDsluCounter, 2763 mSDsCounter, 0 mSdLazyCounter, 788 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3132 SdHoareTripleChecker+Valid, 5526 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 788 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:47:35,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3132 Valid, 5526 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 788 Invalid, 1 Unknown, 0 Unchecked, 8.4s Time] [2022-11-26 00:47:35,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6227 states. [2022-11-26 00:47:35,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6227 to 6227. [2022-11-26 00:47:35,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6227 states, 3591 states have (on average 1.2208298524087997) internal successors, (4384), 3733 states have internal predecessors, (4384), 2028 states have call successors, (2028), 589 states have call predecessors, (2028), 587 states have return successors, (2026), 1995 states have call predecessors, (2026), 2026 states have call successors, (2026) [2022-11-26 00:47:35,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6227 states to 6227 states and 8438 transitions. [2022-11-26 00:47:35,812 INFO L78 Accepts]: Start accepts. Automaton has 6227 states and 8438 transitions. Word has length 94 [2022-11-26 00:47:35,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:47:35,813 INFO L495 AbstractCegarLoop]: Abstraction has 6227 states and 8438 transitions. [2022-11-26 00:47:35,813 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, (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 00:47:35,813 INFO L276 IsEmpty]: Start isEmpty. Operand 6227 states and 8438 transitions. [2022-11-26 00:47:35,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-26 00:47:35,814 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:47:35,814 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] [2022-11-26 00:47:35,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-26 00:47:35,815 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-26 00:47:35,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:47:35,815 INFO L85 PathProgramCache]: Analyzing trace with hash -981318956, now seen corresponding path program 1 times [2022-11-26 00:47:35,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:47:35,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582407180] [2022-11-26 00:47:35,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:47:35,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:47:35,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:47:36,369 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 00:47:36,369 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:47:36,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582407180] [2022-11-26 00:47:36,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582407180] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:47:36,370 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:47:36,370 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:47:36,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435243523] [2022-11-26 00:47:36,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:47:36,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:47:36,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:47:36,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:47:36,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:47:36,373 INFO L87 Difference]: Start difference. First operand 6227 states and 8438 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, (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 00:47:38,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:47:39,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:47:42,619 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 00:47:45,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:47:45,560 INFO L93 Difference]: Finished difference Result 6227 states and 8438 transitions. [2022-11-26 00:47:45,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:47:45,560 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, (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 99 [2022-11-26 00:47:45,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:47:45,582 INFO L225 Difference]: With dead ends: 6227 [2022-11-26 00:47:45,582 INFO L226 Difference]: Without dead ends: 6225 [2022-11-26 00:47:45,587 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 00:47:45,588 INFO L413 NwaCegarLoop]: 2761 mSDtfsCounter, 3127 mSDsluCounter, 2761 mSDsCounter, 0 mSdLazyCounter, 788 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3129 SdHoareTripleChecker+Valid, 5522 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 788 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:47:45,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3129 Valid, 5522 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 788 Invalid, 1 Unknown, 0 Unchecked, 8.6s Time] [2022-11-26 00:47:45,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6225 states. [2022-11-26 00:47:46,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6225 to 6225. [2022-11-26 00:47:46,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6225 states, 3590 states have (on average 1.2206128133704734) internal successors, (4382), 3731 states have internal predecessors, (4382), 2028 states have call successors, (2028), 589 states have call predecessors, (2028), 587 states have return successors, (2026), 1995 states have call predecessors, (2026), 2026 states have call successors, (2026) [2022-11-26 00:47:46,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6225 states to 6225 states and 8436 transitions. [2022-11-26 00:47:46,323 INFO L78 Accepts]: Start accepts. Automaton has 6225 states and 8436 transitions. Word has length 99 [2022-11-26 00:47:46,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:47:46,324 INFO L495 AbstractCegarLoop]: Abstraction has 6225 states and 8436 transitions. [2022-11-26 00:47:46,324 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, (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 00:47:46,324 INFO L276 IsEmpty]: Start isEmpty. Operand 6225 states and 8436 transitions. [2022-11-26 00:47:46,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-26 00:47:46,326 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:47:46,326 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] [2022-11-26 00:47:46,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-26 00:47:46,327 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-26 00:47:46,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:47:46,327 INFO L85 PathProgramCache]: Analyzing trace with hash -627668434, now seen corresponding path program 1 times [2022-11-26 00:47:46,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:47:46,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356330382] [2022-11-26 00:47:46,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:47:46,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:47:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:47:46,871 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 00:47:46,871 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:47:46,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356330382] [2022-11-26 00:47:46,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356330382] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:47:46,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:47:46,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:47:46,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465725407] [2022-11-26 00:47:46,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:47:46,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:47:46,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:47:46,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:47:46,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:47:46,879 INFO L87 Difference]: Start difference. First operand 6225 states and 8436 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, (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 00:47:48,630 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 00:47:54,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:47:54,114 INFO L93 Difference]: Finished difference Result 6225 states and 8436 transitions. [2022-11-26 00:47:54,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:47:54,115 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, (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 104 [2022-11-26 00:47:54,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:47:54,135 INFO L225 Difference]: With dead ends: 6225 [2022-11-26 00:47:54,135 INFO L226 Difference]: Without dead ends: 6223 [2022-11-26 00:47:54,139 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 00:47:54,140 INFO L413 NwaCegarLoop]: 2759 mSDtfsCounter, 3124 mSDsluCounter, 2759 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3126 SdHoareTripleChecker+Valid, 5518 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:47:54,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3126 Valid, 5518 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2022-11-26 00:47:54,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6223 states. [2022-11-26 00:47:54,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6223 to 6223. [2022-11-26 00:47:54,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6223 states, 3589 states have (on average 1.2203956533853442) internal successors, (4380), 3729 states have internal predecessors, (4380), 2028 states have call successors, (2028), 589 states have call predecessors, (2028), 587 states have return successors, (2026), 1995 states have call predecessors, (2026), 2026 states have call successors, (2026) [2022-11-26 00:47:54,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6223 states to 6223 states and 8434 transitions. [2022-11-26 00:47:54,741 INFO L78 Accepts]: Start accepts. Automaton has 6223 states and 8434 transitions. Word has length 104 [2022-11-26 00:47:54,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:47:54,742 INFO L495 AbstractCegarLoop]: Abstraction has 6223 states and 8434 transitions. [2022-11-26 00:47:54,742 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, (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 00:47:54,742 INFO L276 IsEmpty]: Start isEmpty. Operand 6223 states and 8434 transitions. [2022-11-26 00:47:54,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-26 00:47:54,744 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:47:54,745 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] [2022-11-26 00:47:54,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-26 00:47:54,745 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-26 00:47:54,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:47:54,746 INFO L85 PathProgramCache]: Analyzing trace with hash -388427874, now seen corresponding path program 1 times [2022-11-26 00:47:54,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:47:54,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614121421] [2022-11-26 00:47:54,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:47:54,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:47:54,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:47:55,335 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 00:47:55,335 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:47:55,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614121421] [2022-11-26 00:47:55,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614121421] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:47:55,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:47:55,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:47:55,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523690546] [2022-11-26 00:47:55,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:47:55,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:47:55,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:47:55,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:47:55,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:47:55,338 INFO L87 Difference]: Start difference. First operand 6223 states and 8434 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, (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 00:47:57,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:47:58,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:47:59,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:48:01,927 WARN L539 Checker$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 00:48:06,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:48:10,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:48:10,454 INFO L93 Difference]: Finished difference Result 6328 states and 8552 transitions. [2022-11-26 00:48:10,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:48:10,455 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, (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 109 [2022-11-26 00:48:10,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:48:10,476 INFO L225 Difference]: With dead ends: 6328 [2022-11-26 00:48:10,476 INFO L226 Difference]: Without dead ends: 6326 [2022-11-26 00:48:10,479 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 00:48:10,480 INFO L413 NwaCegarLoop]: 3944 mSDtfsCounter, 2035 mSDsluCounter, 6677 mSDsCounter, 0 mSdLazyCounter, 1476 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2043 SdHoareTripleChecker+Valid, 10621 SdHoareTripleChecker+Invalid, 1479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1476 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:48:10,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2043 Valid, 10621 Invalid, 1479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1476 Invalid, 2 Unknown, 0 Unchecked, 14.3s Time] [2022-11-26 00:48:10,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6326 states. [2022-11-26 00:48:10,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6326 to 6253. [2022-11-26 00:48:10,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6253 states, 3604 states have (on average 1.2194783573806882) internal successors, (4395), 3744 states have internal predecessors, (4395), 2038 states have call successors, (2038), 594 states have call predecessors, (2038), 592 states have return successors, (2036), 2005 states have call predecessors, (2036), 2036 states have call successors, (2036) [2022-11-26 00:48:11,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6253 states to 6253 states and 8469 transitions. [2022-11-26 00:48:11,021 INFO L78 Accepts]: Start accepts. Automaton has 6253 states and 8469 transitions. Word has length 109 [2022-11-26 00:48:11,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:48:11,021 INFO L495 AbstractCegarLoop]: Abstraction has 6253 states and 8469 transitions. [2022-11-26 00:48:11,022 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, (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 00:48:11,022 INFO L276 IsEmpty]: Start isEmpty. Operand 6253 states and 8469 transitions. [2022-11-26 00:48:11,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-26 00:48:11,024 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:48:11,025 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] [2022-11-26 00:48:11,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-26 00:48:11,025 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-26 00:48:11,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:48:11,026 INFO L85 PathProgramCache]: Analyzing trace with hash 867347512, now seen corresponding path program 1 times [2022-11-26 00:48:11,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:48:11,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544070045] [2022-11-26 00:48:11,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:48:11,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:48:11,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:48:11,654 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 00:48:11,654 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:48:11,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544070045] [2022-11-26 00:48:11,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544070045] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:48:11,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:48:11,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:48:11,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309768811] [2022-11-26 00:48:11,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:48:11,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:48:11,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:48:11,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:48:11,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:48:11,659 INFO L87 Difference]: Start difference. First operand 6253 states and 8469 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, (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 00:48:13,943 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 00:48:15,980 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 00:48:21,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:48:21,657 INFO L93 Difference]: Finished difference Result 6326 states and 8550 transitions. [2022-11-26 00:48:21,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:48:21,658 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, (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 114 [2022-11-26 00:48:21,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:48:21,681 INFO L225 Difference]: With dead ends: 6326 [2022-11-26 00:48:21,681 INFO L226 Difference]: Without dead ends: 6324 [2022-11-26 00:48:21,685 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 00:48:21,686 INFO L413 NwaCegarLoop]: 3915 mSDtfsCounter, 2032 mSDsluCounter, 6648 mSDsCounter, 0 mSdLazyCounter, 1464 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2040 SdHoareTripleChecker+Valid, 10563 SdHoareTripleChecker+Invalid, 1467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1464 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:48:21,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2040 Valid, 10563 Invalid, 1467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1464 Invalid, 2 Unknown, 0 Unchecked, 9.2s Time] [2022-11-26 00:48:21,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6324 states. [2022-11-26 00:48:22,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6324 to 6259. [2022-11-26 00:48:22,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6259 states, 3607 states have (on average 1.2192958136955918) internal successors, (4398), 3747 states have internal predecessors, (4398), 2040 states have call successors, (2040), 595 states have call predecessors, (2040), 593 states have return successors, (2038), 2007 states have call predecessors, (2038), 2038 states have call successors, (2038) [2022-11-26 00:48:22,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6259 states to 6259 states and 8476 transitions. [2022-11-26 00:48:22,299 INFO L78 Accepts]: Start accepts. Automaton has 6259 states and 8476 transitions. Word has length 114 [2022-11-26 00:48:22,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:48:22,300 INFO L495 AbstractCegarLoop]: Abstraction has 6259 states and 8476 transitions. [2022-11-26 00:48:22,300 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, (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 00:48:22,300 INFO L276 IsEmpty]: Start isEmpty. Operand 6259 states and 8476 transitions. [2022-11-26 00:48:22,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-26 00:48:22,304 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:48:22,304 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] [2022-11-26 00:48:22,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-26 00:48:22,304 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-26 00:48:22,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:48:22,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1916305141, now seen corresponding path program 1 times [2022-11-26 00:48:22,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:48:22,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344507455] [2022-11-26 00:48:22,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:48:22,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:48:22,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:48:23,506 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 00:48:23,506 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:48:23,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344507455] [2022-11-26 00:48:23,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344507455] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:48:23,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:48:23,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:48:23,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864298894] [2022-11-26 00:48:23,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:48:23,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:48:23,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:48:23,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:48:23,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:48:23,511 INFO L87 Difference]: Start difference. First operand 6259 states and 8476 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, (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 00:48:24,898 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 00:48:26,907 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 00:48:31,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:48:31,657 INFO L93 Difference]: Finished difference Result 6259 states and 8476 transitions. [2022-11-26 00:48:31,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:48:31,658 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, (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 119 [2022-11-26 00:48:31,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:48:31,675 INFO L225 Difference]: With dead ends: 6259 [2022-11-26 00:48:31,676 INFO L226 Difference]: Without dead ends: 6257 [2022-11-26 00:48:31,678 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 00:48:31,678 INFO L413 NwaCegarLoop]: 2757 mSDtfsCounter, 3119 mSDsluCounter, 2757 mSDsCounter, 0 mSdLazyCounter, 788 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3121 SdHoareTripleChecker+Valid, 5514 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 788 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:48:31,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3121 Valid, 5514 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 788 Invalid, 1 Unknown, 0 Unchecked, 7.4s Time] [2022-11-26 00:48:31,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6257 states. [2022-11-26 00:48:32,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6257 to 6257. [2022-11-26 00:48:32,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6257 states, 3606 states have (on average 1.219079312257349) internal successors, (4396), 3745 states have internal predecessors, (4396), 2040 states have call successors, (2040), 595 states have call predecessors, (2040), 593 states have return successors, (2038), 2007 states have call predecessors, (2038), 2038 states have call successors, (2038) [2022-11-26 00:48:32,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6257 states to 6257 states and 8474 transitions. [2022-11-26 00:48:32,269 INFO L78 Accepts]: Start accepts. Automaton has 6257 states and 8474 transitions. Word has length 119 [2022-11-26 00:48:32,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:48:32,270 INFO L495 AbstractCegarLoop]: Abstraction has 6257 states and 8474 transitions. [2022-11-26 00:48:32,270 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, (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 00:48:32,270 INFO L276 IsEmpty]: Start isEmpty. Operand 6257 states and 8474 transitions. [2022-11-26 00:48:32,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-26 00:48:32,273 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:48:32,273 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] [2022-11-26 00:48:32,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-26 00:48:32,274 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-26 00:48:32,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:48:32,275 INFO L85 PathProgramCache]: Analyzing trace with hash 2137462075, now seen corresponding path program 1 times [2022-11-26 00:48:32,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:48:32,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031070996] [2022-11-26 00:48:32,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:48:32,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:48:32,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:48:32,872 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 00:48:32,872 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:48:32,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031070996] [2022-11-26 00:48:32,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031070996] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:48:32,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:48:32,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:48:32,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149928296] [2022-11-26 00:48:32,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:48:32,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:48:32,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:48:32,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:48:32,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:48:32,878 INFO L87 Difference]: Start difference. First operand 6257 states and 8474 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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 00:48:35,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:48:37,836 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 00:48:40,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:48:40,934 INFO L93 Difference]: Finished difference Result 6265 states and 8509 transitions. [2022-11-26 00:48:40,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:48:40,935 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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 124 [2022-11-26 00:48:40,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:48:40,952 INFO L225 Difference]: With dead ends: 6265 [2022-11-26 00:48:40,952 INFO L226 Difference]: Without dead ends: 6263 [2022-11-26 00:48:40,954 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 00:48:40,955 INFO L413 NwaCegarLoop]: 2756 mSDtfsCounter, 3114 mSDsluCounter, 2756 mSDsCounter, 0 mSdLazyCounter, 790 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3129 SdHoareTripleChecker+Valid, 5512 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 790 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:48:40,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3129 Valid, 5512 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 790 Invalid, 1 Unknown, 0 Unchecked, 7.3s Time] [2022-11-26 00:48:40,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6263 states. [2022-11-26 00:48:41,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6263 to 6255. [2022-11-26 00:48:41,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6255 states, 3605 states have (on average 1.218862690707351) internal successors, (4394), 3743 states have internal predecessors, (4394), 2040 states have call successors, (2040), 595 states have call predecessors, (2040), 593 states have return successors, (2038), 2007 states have call predecessors, (2038), 2038 states have call successors, (2038) [2022-11-26 00:48:41,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6255 states to 6255 states and 8472 transitions. [2022-11-26 00:48:41,538 INFO L78 Accepts]: Start accepts. Automaton has 6255 states and 8472 transitions. Word has length 124 [2022-11-26 00:48:41,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:48:41,539 INFO L495 AbstractCegarLoop]: Abstraction has 6255 states and 8472 transitions. [2022-11-26 00:48:41,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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 00:48:41,539 INFO L276 IsEmpty]: Start isEmpty. Operand 6255 states and 8472 transitions. [2022-11-26 00:48:41,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-26 00:48:41,540 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:48:41,541 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] [2022-11-26 00:48:41,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-26 00:48:41,541 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-26 00:48:41,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:48:41,542 INFO L85 PathProgramCache]: Analyzing trace with hash -879537175, now seen corresponding path program 1 times [2022-11-26 00:48:41,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:48:41,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841642612] [2022-11-26 00:48:41,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:48:41,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:48:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:48:42,132 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 00:48:42,132 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:48:42,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841642612] [2022-11-26 00:48:42,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841642612] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:48:42,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:48:42,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:48:42,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511482522] [2022-11-26 00:48:42,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:48:42,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:48:42,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:48:42,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:48:42,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:48:42,136 INFO L87 Difference]: Start difference. First operand 6255 states and 8472 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, (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 00:48:44,418 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 00:48:47,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:48:52,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:48:55,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:48:55,984 INFO L93 Difference]: Finished difference Result 6312 states and 8526 transitions. [2022-11-26 00:48:55,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:48:55,985 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, (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 129 [2022-11-26 00:48:55,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:48:56,003 INFO L225 Difference]: With dead ends: 6312 [2022-11-26 00:48:56,003 INFO L226 Difference]: Without dead ends: 6310 [2022-11-26 00:48:56,006 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 00:48:56,006 INFO L413 NwaCegarLoop]: 3939 mSDtfsCounter, 2025 mSDsluCounter, 6668 mSDsCounter, 0 mSdLazyCounter, 1477 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2027 SdHoareTripleChecker+Valid, 10607 SdHoareTripleChecker+Invalid, 1479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1477 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:48:56,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2027 Valid, 10607 Invalid, 1479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1477 Invalid, 1 Unknown, 0 Unchecked, 12.9s Time] [2022-11-26 00:48:56,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6310 states. [2022-11-26 00:48:56,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6310 to 6273. [2022-11-26 00:48:56,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6273 states, 3614 states have (on average 1.2183176535694522) internal successors, (4403), 3752 states have internal predecessors, (4403), 2046 states have call successors, (2046), 598 states have call predecessors, (2046), 596 states have return successors, (2044), 2013 states have call predecessors, (2044), 2044 states have call successors, (2044) [2022-11-26 00:48:56,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6273 states to 6273 states and 8493 transitions. [2022-11-26 00:48:56,655 INFO L78 Accepts]: Start accepts. Automaton has 6273 states and 8493 transitions. Word has length 129 [2022-11-26 00:48:56,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:48:56,656 INFO L495 AbstractCegarLoop]: Abstraction has 6273 states and 8493 transitions. [2022-11-26 00:48:56,656 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, (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 00:48:56,656 INFO L276 IsEmpty]: Start isEmpty. Operand 6273 states and 8493 transitions. [2022-11-26 00:48:56,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-26 00:48:56,658 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:48:56,658 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-26 00:48:56,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-26 00:48:56,659 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-26 00:48:56,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:48:56,659 INFO L85 PathProgramCache]: Analyzing trace with hash 121434253, now seen corresponding path program 1 times [2022-11-26 00:48:56,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:48:56,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777336660] [2022-11-26 00:48:56,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:48:56,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:48:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:48:58,220 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2022-11-26 00:48:58,221 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:48:58,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777336660] [2022-11-26 00:48:58,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777336660] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:48:58,221 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:48:58,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:48:58,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220153024] [2022-11-26 00:48:58,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:48:58,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:48:58,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:48:58,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:48:58,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:48:58,226 INFO L87 Difference]: Start difference. First operand 6273 states and 8493 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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 00:48:59,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:49:02,921 WARN L539 Checker$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 00:49:04,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:49:06,657 WARN L539 Checker$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 00:49:08,663 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 00:49:13,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:49:13,694 INFO L93 Difference]: Finished difference Result 10547 states and 14564 transitions. [2022-11-26 00:49:13,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:49:13,695 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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 144 [2022-11-26 00:49:13,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:49:13,716 INFO L225 Difference]: With dead ends: 10547 [2022-11-26 00:49:13,716 INFO L226 Difference]: Without dead ends: 7161 [2022-11-26 00:49:13,737 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 00:49:13,738 INFO L413 NwaCegarLoop]: 3101 mSDtfsCounter, 270 mSDsluCounter, 5856 mSDsCounter, 0 mSdLazyCounter, 1231 mSolverCounterSat, 172 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 8957 SdHoareTripleChecker+Invalid, 1406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 1231 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:49:13,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 8957 Invalid, 1406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 1231 Invalid, 3 Unknown, 0 Unchecked, 14.4s Time] [2022-11-26 00:49:13,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7161 states. [2022-11-26 00:49:14,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7161 to 6279. [2022-11-26 00:49:14,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6279 states, 3620 states have (on average 1.2179558011049725) internal successors, (4409), 3758 states have internal predecessors, (4409), 2046 states have call successors, (2046), 598 states have call predecessors, (2046), 596 states have return successors, (2044), 2013 states have call predecessors, (2044), 2044 states have call successors, (2044) [2022-11-26 00:49:14,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6279 states to 6279 states and 8499 transitions. [2022-11-26 00:49:14,423 INFO L78 Accepts]: Start accepts. Automaton has 6279 states and 8499 transitions. Word has length 144 [2022-11-26 00:49:14,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:49:14,423 INFO L495 AbstractCegarLoop]: Abstraction has 6279 states and 8499 transitions. [2022-11-26 00:49:14,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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 00:49:14,424 INFO L276 IsEmpty]: Start isEmpty. Operand 6279 states and 8499 transitions. [2022-11-26 00:49:14,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-26 00:49:14,426 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:49:14,426 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] [2022-11-26 00:49:14,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-26 00:49:14,426 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-26 00:49:14,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:49:14,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1122821267, now seen corresponding path program 1 times [2022-11-26 00:49:14,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:49:14,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457520069] [2022-11-26 00:49:14,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:49:14,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:49:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:49:14,979 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 00:49:14,979 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:49:14,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457520069] [2022-11-26 00:49:14,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457520069] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:49:14,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:49:14,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:49:14,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264397875] [2022-11-26 00:49:14,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:49:14,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:49:14,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:49:14,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:49:14,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:49:14,983 INFO L87 Difference]: Start difference. First operand 6279 states and 8499 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, (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 00:49:16,684 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 00:49:18,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:49:20,724 WARN L539 Checker$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 00:49:23,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:49:23,919 INFO L93 Difference]: Finished difference Result 6287 states and 8534 transitions. [2022-11-26 00:49:23,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:49:23,922 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, (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 134 [2022-11-26 00:49:23,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:49:23,937 INFO L225 Difference]: With dead ends: 6287 [2022-11-26 00:49:23,937 INFO L226 Difference]: Without dead ends: 6285 [2022-11-26 00:49:23,939 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 00:49:23,940 INFO L413 NwaCegarLoop]: 2754 mSDtfsCounter, 3110 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3125 SdHoareTripleChecker+Valid, 5508 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:49:23,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3125 Valid, 5508 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 789 Invalid, 2 Unknown, 0 Unchecked, 8.0s Time] [2022-11-26 00:49:23,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6285 states. [2022-11-26 00:49:24,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6285 to 6277. [2022-11-26 00:49:24,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6277 states, 3619 states have (on average 1.2177397071014093) internal successors, (4407), 3756 states have internal predecessors, (4407), 2046 states have call successors, (2046), 598 states have call predecessors, (2046), 596 states have return successors, (2044), 2013 states have call predecessors, (2044), 2044 states have call successors, (2044) [2022-11-26 00:49:24,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6277 states to 6277 states and 8497 transitions. [2022-11-26 00:49:24,653 INFO L78 Accepts]: Start accepts. Automaton has 6277 states and 8497 transitions. Word has length 134 [2022-11-26 00:49:24,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:49:24,653 INFO L495 AbstractCegarLoop]: Abstraction has 6277 states and 8497 transitions. [2022-11-26 00:49:24,653 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, (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 00:49:24,654 INFO L276 IsEmpty]: Start isEmpty. Operand 6277 states and 8497 transitions. [2022-11-26 00:49:24,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-11-26 00:49:24,656 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:49:24,657 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 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] [2022-11-26 00:49:24,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-26 00:49:24,657 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-26 00:49:24,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:49:24,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1362864049, now seen corresponding path program 1 times [2022-11-26 00:49:24,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:49:24,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477767057] [2022-11-26 00:49:24,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:49:24,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:49:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:49:26,209 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2022-11-26 00:49:26,210 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:49:26,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477767057] [2022-11-26 00:49:26,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477767057] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:49:26,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1471943994] [2022-11-26 00:49:26,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:49:26,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:49:26,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9663ecc6-30e8-4e3c-9583-afb63a8bd438/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:49:26,218 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9663ecc6-30e8-4e3c-9583-afb63a8bd438/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:49:26,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9663ecc6-30e8-4e3c-9583-afb63a8bd438/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:49:28,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:49:28,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 3469 conjuncts, 44 conjunts are in the unsatisfiable core [2022-11-26 00:49:28,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:49:28,471 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2022-11-26 00:49:28,472 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:49:28,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1471943994] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:49:28,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:49:28,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [8] total 17 [2022-11-26 00:49:28,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040247787] [2022-11-26 00:49:28,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:49:28,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:49:28,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:49:28,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:49:28,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=239, Unknown=0, NotChecked=0, Total=272 [2022-11-26 00:49:28,475 INFO L87 Difference]: Start difference. First operand 6277 states and 8497 transitions. Second operand has 11 states, 8 states have (on average 7.625) internal successors, (61), 10 states have internal predecessors, (61), 6 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2022-11-26 00:49:32,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:49:34,995 WARN L539 Checker$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 00:49:37,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:49:38,755 WARN L539 Checker$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 00:49:39,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:49:41,956 WARN L539 Checker$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 00:49:43,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:49:45,176 WARN L539 Checker$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 00:49:46,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:49:48,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:49:50,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:49:52,655 WARN L539 Checker$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 00:49:54,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:49:56,251 WARN L539 Checker$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 00:49:58,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:50:00,274 WARN L539 Checker$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 00:50:09,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:50:16,062 WARN L539 Checker$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 00:50:18,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:50:20,083 WARN L539 Checker$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 00:50:21,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:50:23,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:50:23,427 INFO L93 Difference]: Finished difference Result 13601 states and 18700 transitions. [2022-11-26 00:50:23,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-26 00:50:23,428 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 7.625) internal successors, (61), 10 states have internal predecessors, (61), 6 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) Word has length 160 [2022-11-26 00:50:23,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:50:23,464 INFO L225 Difference]: With dead ends: 13601 [2022-11-26 00:50:23,464 INFO L226 Difference]: Without dead ends: 7430 [2022-11-26 00:50:23,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2022-11-26 00:50:23,496 INFO L413 NwaCegarLoop]: 3226 mSDtfsCounter, 655 mSDsluCounter, 28261 mSDsCounter, 0 mSdLazyCounter, 4615 mSolverCounterSat, 270 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 941 SdHoareTripleChecker+Valid, 31487 SdHoareTripleChecker+Invalid, 4899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 270 IncrementalHoareTripleChecker+Valid, 4615 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:50:23,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [941 Valid, 31487 Invalid, 4899 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [270 Valid, 4615 Invalid, 14 Unknown, 0 Unchecked, 53.3s Time] [2022-11-26 00:50:23,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7430 states. [2022-11-26 00:50:24,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7430 to 6313. [2022-11-26 00:50:24,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6313 states, 3643 states have (on average 1.2163052429316497) internal successors, (4431), 3780 states have internal predecessors, (4431), 2058 states have call successors, (2058), 598 states have call predecessors, (2058), 596 states have return successors, (2056), 2025 states have call predecessors, (2056), 2056 states have call successors, (2056) [2022-11-26 00:50:24,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6313 states to 6313 states and 8545 transitions. [2022-11-26 00:50:24,780 INFO L78 Accepts]: Start accepts. Automaton has 6313 states and 8545 transitions. Word has length 160 [2022-11-26 00:50:24,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:50:24,781 INFO L495 AbstractCegarLoop]: Abstraction has 6313 states and 8545 transitions. [2022-11-26 00:50:24,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 7.625) internal successors, (61), 10 states have internal predecessors, (61), 6 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2022-11-26 00:50:24,782 INFO L276 IsEmpty]: Start isEmpty. Operand 6313 states and 8545 transitions. [2022-11-26 00:50:24,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-26 00:50:24,785 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:50:24,786 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] [2022-11-26 00:50:24,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9663ecc6-30e8-4e3c-9583-afb63a8bd438/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 00:50:25,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9663ecc6-30e8-4e3c-9583-afb63a8bd438/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-11-26 00:50:25,012 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-26 00:50:25,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:50:25,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1601187547, now seen corresponding path program 1 times [2022-11-26 00:50:25,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:50:25,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204295711] [2022-11-26 00:50:25,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:50:25,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:50:25,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:50:25,558 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 00:50:25,559 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:50:25,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204295711] [2022-11-26 00:50:25,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204295711] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:50:25,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:50:25,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:50:25,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356143810] [2022-11-26 00:50:25,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:50:25,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:50:25,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:50:25,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:50:25,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:50:25,562 INFO L87 Difference]: Start difference. First operand 6313 states and 8545 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, (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 00:50:27,890 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 00:50:29,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:50:38,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:50:38,272 INFO L93 Difference]: Finished difference Result 6348 states and 8574 transitions. [2022-11-26 00:50:38,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:50:38,273 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, (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 139 [2022-11-26 00:50:38,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:50:38,291 INFO L225 Difference]: With dead ends: 6348 [2022-11-26 00:50:38,292 INFO L226 Difference]: Without dead ends: 6346 [2022-11-26 00:50:38,294 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 00:50:38,295 INFO L413 NwaCegarLoop]: 3734 mSDtfsCounter, 2019 mSDsluCounter, 6461 mSDsCounter, 0 mSdLazyCounter, 1415 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2021 SdHoareTripleChecker+Valid, 10195 SdHoareTripleChecker+Invalid, 1417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1415 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:50:38,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2021 Valid, 10195 Invalid, 1417 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1415 Invalid, 1 Unknown, 0 Unchecked, 11.6s Time] [2022-11-26 00:50:38,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6346 states. [2022-11-26 00:50:39,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6346 to 6325. [2022-11-26 00:50:39,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6325 states, 3649 states have (on average 1.2159495752260894) internal successors, (4437), 3786 states have internal predecessors, (4437), 2062 states have call successors, (2062), 600 states have call predecessors, (2062), 598 states have return successors, (2060), 2029 states have call predecessors, (2060), 2060 states have call successors, (2060) [2022-11-26 00:50:39,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6325 states to 6325 states and 8559 transitions. [2022-11-26 00:50:39,112 INFO L78 Accepts]: Start accepts. Automaton has 6325 states and 8559 transitions. Word has length 139 [2022-11-26 00:50:39,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:50:39,112 INFO L495 AbstractCegarLoop]: Abstraction has 6325 states and 8559 transitions. [2022-11-26 00:50:39,112 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, (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 00:50:39,113 INFO L276 IsEmpty]: Start isEmpty. Operand 6325 states and 8559 transitions. [2022-11-26 00:50:39,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-11-26 00:50:39,116 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:50:39,116 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-26 00:50:39,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-26 00:50:39,117 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-26 00:50:39,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:50:39,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1731995513, now seen corresponding path program 1 times [2022-11-26 00:50:39,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:50:39,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324267761] [2022-11-26 00:50:39,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:50:39,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:50:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:50:42,377 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2022-11-26 00:50:42,377 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:50:42,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324267761] [2022-11-26 00:50:42,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324267761] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:50:42,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:50:42,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:50:42,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252336491] [2022-11-26 00:50:42,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:50:42,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:50:42,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:50:42,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:50:42,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:50:42,380 INFO L87 Difference]: Start difference. First operand 6325 states and 8559 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-26 00:50:43,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:50:45,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:50:50,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:50:51,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:50:56,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:50:56,844 INFO L93 Difference]: Finished difference Result 9727 states and 13202 transitions. [2022-11-26 00:50:56,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:50:56,845 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) Word has length 161 [2022-11-26 00:50:56,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:50:56,863 INFO L225 Difference]: With dead ends: 9727 [2022-11-26 00:50:56,863 INFO L226 Difference]: Without dead ends: 6335 [2022-11-26 00:50:56,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:50:56,877 INFO L413 NwaCegarLoop]: 2754 mSDtfsCounter, 0 mSDsluCounter, 8253 mSDsCounter, 0 mSdLazyCounter, 1588 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11007 SdHoareTripleChecker+Invalid, 1588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:50:56,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11007 Invalid, 1588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1588 Invalid, 0 Unknown, 0 Unchecked, 13.5s Time] [2022-11-26 00:50:56,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6335 states. [2022-11-26 00:50:57,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6335 to 6329. [2022-11-26 00:50:57,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6329 states, 3652 states have (on average 1.2157721796276013) internal successors, (4440), 3789 states have internal predecessors, (4440), 2062 states have call successors, (2062), 600 states have call predecessors, (2062), 599 states have return successors, (2064), 2030 states have call predecessors, (2064), 2060 states have call successors, (2064) [2022-11-26 00:50:57,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6329 states to 6329 states and 8566 transitions. [2022-11-26 00:50:57,647 INFO L78 Accepts]: Start accepts. Automaton has 6329 states and 8566 transitions. Word has length 161 [2022-11-26 00:50:57,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:50:57,648 INFO L495 AbstractCegarLoop]: Abstraction has 6329 states and 8566 transitions. [2022-11-26 00:50:57,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-26 00:50:57,648 INFO L276 IsEmpty]: Start isEmpty. Operand 6329 states and 8566 transitions. [2022-11-26 00:50:57,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-26 00:50:57,651 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:50:57,652 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] [2022-11-26 00:50:57,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-26 00:50:57,652 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_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-26 00:50:57,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:50:57,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1895994226, now seen corresponding path program 1 times [2022-11-26 00:50:57,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:50:57,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729117605] [2022-11-26 00:50:57,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:50:57,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:50:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:50:58,158 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 00:50:58,158 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:50:58,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729117605] [2022-11-26 00:50:58,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729117605] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:50:58,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:50:58,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:50:58,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37068968] [2022-11-26 00:50:58,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:50:58,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:50:58,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:50:58,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:50:58,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:50:58,162 INFO L87 Difference]: Start difference. First operand 6329 states and 8566 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, (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 00:51:00,482 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 00:51:02,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:51:05,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:51:07,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:51:11,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:51:11,693 INFO L93 Difference]: Finished difference Result 6350 states and 8579 transitions. [2022-11-26 00:51:11,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:51:11,694 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, (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 144 [2022-11-26 00:51:11,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:51:11,717 INFO L225 Difference]: With dead ends: 6350 [2022-11-26 00:51:11,717 INFO L226 Difference]: Without dead ends: 6195 [2022-11-26 00:51:11,721 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 00:51:11,721 INFO L413 NwaCegarLoop]: 3702 mSDtfsCounter, 2015 mSDsluCounter, 6429 mSDsCounter, 0 mSdLazyCounter, 1407 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2015 SdHoareTripleChecker+Valid, 10131 SdHoareTripleChecker+Invalid, 1408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1407 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:51:11,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2015 Valid, 10131 Invalid, 1408 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1407 Invalid, 1 Unknown, 0 Unchecked, 12.3s Time] [2022-11-26 00:51:11,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6195 states. [2022-11-26 00:51:12,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6195 to 6180. [2022-11-26 00:51:12,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6180 states, 3575 states have (on average 1.2187412587412587) internal successors, (4357), 3709 states have internal predecessors, (4357), 2011 states have call successors, (2011), 580 states have call predecessors, (2011), 578 states have return successors, (2011), 1981 states have call predecessors, (2011), 2007 states have call successors, (2011) [2022-11-26 00:51:12,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6180 states to 6180 states and 8379 transitions. [2022-11-26 00:51:12,440 INFO L78 Accepts]: Start accepts. Automaton has 6180 states and 8379 transitions. Word has length 144 [2022-11-26 00:51:12,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:51:12,440 INFO L495 AbstractCegarLoop]: Abstraction has 6180 states and 8379 transitions. [2022-11-26 00:51:12,441 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, (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 00:51:12,441 INFO L276 IsEmpty]: Start isEmpty. Operand 6180 states and 8379 transitions. [2022-11-26 00:51:12,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-11-26 00:51:12,444 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:51:12,444 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 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] [2022-11-26 00:51:12,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-26 00:51:12,444 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-26 00:51:12,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:51:12,445 INFO L85 PathProgramCache]: Analyzing trace with hash -332444717, now seen corresponding path program 1 times [2022-11-26 00:51:12,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:51:12,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170501443] [2022-11-26 00:51:12,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:51:12,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:51:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:51:14,056 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2022-11-26 00:51:14,057 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:51:14,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170501443] [2022-11-26 00:51:14,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170501443] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:51:14,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1654683537] [2022-11-26 00:51:14,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:51:14,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:51:14,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9663ecc6-30e8-4e3c-9583-afb63a8bd438/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:51:14,059 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9663ecc6-30e8-4e3c-9583-afb63a8bd438/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:51:14,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9663ecc6-30e8-4e3c-9583-afb63a8bd438/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:51:16,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:51:16,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 3566 conjuncts, 40 conjunts are in the unsatisfiable core [2022-11-26 00:51:16,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:51:16,299 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2022-11-26 00:51:16,300 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:51:16,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1654683537] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:51:16,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:51:16,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [8] total 18 [2022-11-26 00:51:16,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292535787] [2022-11-26 00:51:16,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:51:16,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:51:16,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:51:16,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:51:16,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=271, Unknown=0, NotChecked=0, Total=306 [2022-11-26 00:51:16,303 INFO L87 Difference]: Start difference. First operand 6180 states and 8379 transitions. Second operand has 12 states, 9 states have (on average 7.555555555555555) internal successors, (68), 11 states have internal predecessors, (68), 7 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (28), 7 states have call predecessors, (28), 7 states have call successors, (28) [2022-11-26 00:51:18,378 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 00:51:20,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:51:22,401 WARN L539 Checker$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 00:51:24,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:51:27,311 WARN L539 Checker$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 00:51:29,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:51:31,751 WARN L539 Checker$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 00:51:33,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:51:37,288 WARN L539 Checker$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 00:51:38,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:51:40,725 WARN L539 Checker$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 00:51:42,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:51:44,120 WARN L539 Checker$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 00:51:53,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:52:06,232 WARN L539 Checker$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 00:52:08,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:52:08,239 INFO L93 Difference]: Finished difference Result 12576 states and 17752 transitions. [2022-11-26 00:52:08,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-26 00:52:08,240 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 7.555555555555555) internal successors, (68), 11 states have internal predecessors, (68), 7 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (28), 7 states have call predecessors, (28), 7 states have call successors, (28) Word has length 171 [2022-11-26 00:52:08,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:52:08,261 INFO L225 Difference]: With dead ends: 12576 [2022-11-26 00:52:08,261 INFO L226 Difference]: Without dead ends: 6478 [2022-11-26 00:52:08,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=139, Invalid=791, Unknown=0, NotChecked=0, Total=930 [2022-11-26 00:52:08,274 INFO L413 NwaCegarLoop]: 4433 mSDtfsCounter, 2899 mSDsluCounter, 41223 mSDsCounter, 0 mSdLazyCounter, 6200 mSolverCounterSat, 1766 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3370 SdHoareTripleChecker+Valid, 45656 SdHoareTripleChecker+Invalid, 7976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1766 IncrementalHoareTripleChecker+Valid, 6200 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:52:08,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3370 Valid, 45656 Invalid, 7976 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1766 Valid, 6200 Invalid, 10 Unknown, 0 Unchecked, 50.0s Time] [2022-11-26 00:52:08,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6478 states. [2022-11-26 00:52:08,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6478 to 3508. [2022-11-26 00:52:08,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3508 states, 2032 states have (on average 1.2239173228346456) internal successors, (2487), 2119 states have internal predecessors, (2487), 1140 states have call successors, (1140), 320 states have call predecessors, (1140), 320 states have return successors, (1142), 1119 states have call predecessors, (1142), 1138 states have call successors, (1142) [2022-11-26 00:52:08,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3508 states to 3508 states and 4769 transitions. [2022-11-26 00:52:08,645 INFO L78 Accepts]: Start accepts. Automaton has 3508 states and 4769 transitions. Word has length 171 [2022-11-26 00:52:08,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:52:08,646 INFO L495 AbstractCegarLoop]: Abstraction has 3508 states and 4769 transitions. [2022-11-26 00:52:08,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 7.555555555555555) internal successors, (68), 11 states have internal predecessors, (68), 7 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (28), 7 states have call predecessors, (28), 7 states have call successors, (28) [2022-11-26 00:52:08,646 INFO L276 IsEmpty]: Start isEmpty. Operand 3508 states and 4769 transitions. [2022-11-26 00:52:08,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-11-26 00:52:08,648 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:52:08,648 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-26 00:52:08,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9663ecc6-30e8-4e3c-9583-afb63a8bd438/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-26 00:52:08,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9663ecc6-30e8-4e3c-9583-afb63a8bd438/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-11-26 00:52:08,863 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-26 00:52:08,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:52:08,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1109260582, now seen corresponding path program 1 times [2022-11-26 00:52:08,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:52:08,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183506868] [2022-11-26 00:52:08,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:52:08,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:52:10,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:52:15,386 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2022-11-26 00:52:15,386 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:52:15,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183506868] [2022-11-26 00:52:15,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183506868] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:52:15,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:52:15,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:52:15,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083238800] [2022-11-26 00:52:15,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:52:15,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-26 00:52:15,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:52:15,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-26 00:52:15,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:52:15,388 INFO L87 Difference]: Start difference. First operand 3508 states and 4769 transitions. Second operand has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 8 states have internal predecessors, (62), 4 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 5 states have call predecessors, (25), 4 states have call successors, (25) [2022-11-26 00:52:17,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:52:20,093 WARN L539 Checker$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 00:52:22,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:52:26,524 WARN L539 Checker$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 00:52:28,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:52:29,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:52:31,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:52:38,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:52:40,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:52:42,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:52:51,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:52:53,914 WARN L539 Checker$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 00:52:56,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:52:58,816 WARN L539 Checker$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 00:53:00,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:53:00,972 INFO L93 Difference]: Finished difference Result 6900 states and 9400 transitions. [2022-11-26 00:53:00,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-26 00:53:00,973 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 8 states have internal predecessors, (62), 4 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 5 states have call predecessors, (25), 4 states have call successors, (25) Word has length 174 [2022-11-26 00:53:00,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:53:01,000 INFO L225 Difference]: With dead ends: 6900 [2022-11-26 00:53:01,000 INFO L226 Difference]: Without dead ends: 6898 [2022-11-26 00:53:01,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2022-11-26 00:53:01,005 INFO L413 NwaCegarLoop]: 3729 mSDtfsCounter, 4777 mSDsluCounter, 18201 mSDsCounter, 0 mSdLazyCounter, 6271 mSolverCounterSat, 1497 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4783 SdHoareTripleChecker+Valid, 21930 SdHoareTripleChecker+Invalid, 7775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1497 IncrementalHoareTripleChecker+Valid, 6271 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:53:01,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4783 Valid, 21930 Invalid, 7775 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1497 Valid, 6271 Invalid, 7 Unknown, 0 Unchecked, 43.9s Time] [2022-11-26 00:53:01,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6898 states. [2022-11-26 00:53:01,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6898 to 6736. [2022-11-26 00:53:01,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6736 states, 3914 states have (on average 1.2276443536024528) internal successors, (4805), 4069 states have internal predecessors, (4805), 2202 states have call successors, (2202), 605 states have call predecessors, (2202), 604 states have return successors, (2210), 2159 states have call predecessors, (2210), 2200 states have call successors, (2210) [2022-11-26 00:53:02,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6736 states to 6736 states and 9217 transitions. [2022-11-26 00:53:02,004 INFO L78 Accepts]: Start accepts. Automaton has 6736 states and 9217 transitions. Word has length 174 [2022-11-26 00:53:02,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:53:02,005 INFO L495 AbstractCegarLoop]: Abstraction has 6736 states and 9217 transitions. [2022-11-26 00:53:02,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 8 states have internal predecessors, (62), 4 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 5 states have call predecessors, (25), 4 states have call successors, (25) [2022-11-26 00:53:02,005 INFO L276 IsEmpty]: Start isEmpty. Operand 6736 states and 9217 transitions. [2022-11-26 00:53:02,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-11-26 00:53:02,008 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:53:02,009 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-26 00:53:02,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-26 00:53:02,009 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-26 00:53:02,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:53:02,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1301706462, now seen corresponding path program 1 times [2022-11-26 00:53:02,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:53:02,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625763765] [2022-11-26 00:53:02,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:53:02,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:53:02,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:53:03,537 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2022-11-26 00:53:03,538 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:53:03,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625763765] [2022-11-26 00:53:03,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625763765] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:53:03,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:53:03,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 00:53:03,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697497481] [2022-11-26 00:53:03,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:53:03,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:53:03,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:53:03,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:53:03,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:53:03,540 INFO L87 Difference]: Start difference. First operand 6736 states and 9217 transitions. Second operand has 6 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-26 00:53:06,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:53:08,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:53:09,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:53:11,462 WARN L539 Checker$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 00:53:20,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:53:20,637 INFO L93 Difference]: Finished difference Result 7236 states and 9805 transitions. [2022-11-26 00:53:20,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:53:20,638 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) Word has length 187 [2022-11-26 00:53:20,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:53:20,660 INFO L225 Difference]: With dead ends: 7236 [2022-11-26 00:53:20,660 INFO L226 Difference]: Without dead ends: 7234 [2022-11-26 00:53:20,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:53:20,664 INFO L413 NwaCegarLoop]: 2777 mSDtfsCounter, 3008 mSDsluCounter, 7025 mSDsCounter, 0 mSdLazyCounter, 3091 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3015 SdHoareTripleChecker+Valid, 9802 SdHoareTripleChecker+Invalid, 3092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3091 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:53:20,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3015 Valid, 9802 Invalid, 3092 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3091 Invalid, 0 Unknown, 0 Unchecked, 15.8s Time] [2022-11-26 00:53:20,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7234 states. [2022-11-26 00:53:21,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7234 to 7234. [2022-11-26 00:53:21,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7234 states, 4205 states have (on average 1.2261593341260404) internal successors, (5156), 4359 states have internal predecessors, (5156), 2318 states have call successors, (2318), 697 states have call predecessors, (2318), 696 states have return successors, (2326), 2275 states have call predecessors, (2326), 2316 states have call successors, (2326) [2022-11-26 00:53:21,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7234 states to 7234 states and 9800 transitions. [2022-11-26 00:53:21,586 INFO L78 Accepts]: Start accepts. Automaton has 7234 states and 9800 transitions. Word has length 187 [2022-11-26 00:53:21,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:53:21,587 INFO L495 AbstractCegarLoop]: Abstraction has 7234 states and 9800 transitions. [2022-11-26 00:53:21,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-26 00:53:21,587 INFO L276 IsEmpty]: Start isEmpty. Operand 7234 states and 9800 transitions. [2022-11-26 00:53:21,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-11-26 00:53:21,590 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:53:21,590 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:53:21,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-26 00:53:21,591 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-26 00:53:21,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:53:21,592 INFO L85 PathProgramCache]: Analyzing trace with hash 33418992, now seen corresponding path program 1 times [2022-11-26 00:53:21,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:53:21,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516131935] [2022-11-26 00:53:21,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:53:21,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:53:21,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:53:22,138 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2022-11-26 00:53:22,138 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:53:22,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516131935] [2022-11-26 00:53:22,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516131935] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:53:22,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:53:22,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:53:22,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503995586] [2022-11-26 00:53:22,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:53:22,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:53:22,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:53:22,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:53:22,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:53:22,140 INFO L87 Difference]: Start difference. First operand 7234 states and 9800 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, (30), 2 states have call predecessors, (30), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-26 00:53:23,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:53:26,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:53:26,896 INFO L93 Difference]: Finished difference Result 14324 states and 19506 transitions. [2022-11-26 00:53:26,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:53:26,896 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, (30), 2 states have call predecessors, (30), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 190 [2022-11-26 00:53:26,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:53:26,920 INFO L225 Difference]: With dead ends: 14324 [2022-11-26 00:53:26,920 INFO L226 Difference]: Without dead ends: 7224 [2022-11-26 00:53:26,945 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 00:53:26,946 INFO L413 NwaCegarLoop]: 2742 mSDtfsCounter, 3068 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3068 SdHoareTripleChecker+Valid, 2742 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:53:26,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3068 Valid, 2742 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-11-26 00:53:26,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7224 states. [2022-11-26 00:53:27,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7224 to 7224. [2022-11-26 00:53:27,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7224 states, 4196 states have (on average 1.2247378455672069) internal successors, (5139), 4349 states have internal predecessors, (5139), 2318 states have call successors, (2318), 697 states have call predecessors, (2318), 696 states have return successors, (2326), 2275 states have call predecessors, (2326), 2316 states have call successors, (2326) [2022-11-26 00:53:27,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7224 states to 7224 states and 9783 transitions. [2022-11-26 00:53:27,943 INFO L78 Accepts]: Start accepts. Automaton has 7224 states and 9783 transitions. Word has length 190 [2022-11-26 00:53:27,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:53:27,943 INFO L495 AbstractCegarLoop]: Abstraction has 7224 states and 9783 transitions. [2022-11-26 00:53:27,944 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, (30), 2 states have call predecessors, (30), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-26 00:53:27,944 INFO L276 IsEmpty]: Start isEmpty. Operand 7224 states and 9783 transitions. [2022-11-26 00:53:27,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-11-26 00:53:27,949 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:53:27,949 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2022-11-26 00:53:27,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-26 00:53:27,950 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-26 00:53:27,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:53:27,950 INFO L85 PathProgramCache]: Analyzing trace with hash 321536230, now seen corresponding path program 1 times [2022-11-26 00:53:27,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:53:27,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643429501] [2022-11-26 00:53:27,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:53:27,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:53:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:53:29,783 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2022-11-26 00:53:29,783 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:53:29,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643429501] [2022-11-26 00:53:29,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643429501] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:53:29,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:53:29,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 00:53:29,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890926642] [2022-11-26 00:53:29,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:53:29,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:53:29,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:53:29,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:53:29,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:53:29,786 INFO L87 Difference]: Start difference. First operand 7224 states and 9783 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (39), 3 states have call predecessors, (39), 2 states have call successors, (39) [2022-11-26 00:53:31,216 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 00:53:33,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:53:34,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:53:36,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:53:38,909 WARN L539 Checker$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 00:53:40,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:53:42,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:53:50,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:53:50,559 INFO L93 Difference]: Finished difference Result 7508 states and 10127 transitions. [2022-11-26 00:53:50,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-26 00:53:50,560 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (39), 3 states have call predecessors, (39), 2 states have call successors, (39) Word has length 237 [2022-11-26 00:53:50,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:53:50,583 INFO L225 Difference]: With dead ends: 7508 [2022-11-26 00:53:50,583 INFO L226 Difference]: Without dead ends: 7506 [2022-11-26 00:53:50,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:53:50,587 INFO L413 NwaCegarLoop]: 2822 mSDtfsCounter, 269 mSDsluCounter, 10997 mSDsCounter, 0 mSdLazyCounter, 2167 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 13819 SdHoareTripleChecker+Invalid, 2170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2167 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:53:50,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 13819 Invalid, 2170 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2167 Invalid, 2 Unknown, 0 Unchecked, 19.6s Time] [2022-11-26 00:53:50,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7506 states. [2022-11-26 00:53:51,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7506 to 7369. [2022-11-26 00:53:51,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7369 states, 4277 states have (on average 1.2230535422024784) internal successors, (5231), 4434 states have internal predecessors, (5231), 2362 states have call successors, (2362), 716 states have call predecessors, (2362), 716 states have return successors, (2372), 2317 states have call predecessors, (2372), 2360 states have call successors, (2372) [2022-11-26 00:53:51,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7369 states to 7369 states and 9965 transitions. [2022-11-26 00:53:51,570 INFO L78 Accepts]: Start accepts. Automaton has 7369 states and 9965 transitions. Word has length 237 [2022-11-26 00:53:51,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:53:51,570 INFO L495 AbstractCegarLoop]: Abstraction has 7369 states and 9965 transitions. [2022-11-26 00:53:51,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (39), 3 states have call predecessors, (39), 2 states have call successors, (39) [2022-11-26 00:53:51,571 INFO L276 IsEmpty]: Start isEmpty. Operand 7369 states and 9965 transitions. [2022-11-26 00:53:51,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-11-26 00:53:51,574 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:53:51,574 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2022-11-26 00:53:51,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-26 00:53:51,574 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-26 00:53:51,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:53:51,575 INFO L85 PathProgramCache]: Analyzing trace with hash 212239565, now seen corresponding path program 1 times [2022-11-26 00:53:51,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:53:51,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597246951] [2022-11-26 00:53:51,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:53:51,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:53:51,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:53:52,212 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2022-11-26 00:53:52,213 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:53:52,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597246951] [2022-11-26 00:53:52,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597246951] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:53:52,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:53:52,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:53:52,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78149387] [2022-11-26 00:53:52,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:53:52,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:53:52,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:53:52,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:53:52,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:53:52,217 INFO L87 Difference]: Start difference. First operand 7369 states and 9965 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-26 00:53:53,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:53:55,774 WARN L539 Checker$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 00:53:57,811 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 00:54:01,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:54:01,711 INFO L93 Difference]: Finished difference Result 7377 states and 10007 transitions. [2022-11-26 00:54:01,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:54:01,711 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 242 [2022-11-26 00:54:01,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:54:01,743 INFO L225 Difference]: With dead ends: 7377 [2022-11-26 00:54:01,743 INFO L226 Difference]: Without dead ends: 7375 [2022-11-26 00:54:01,749 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 00:54:01,749 INFO L413 NwaCegarLoop]: 2741 mSDtfsCounter, 3051 mSDsluCounter, 2741 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3066 SdHoareTripleChecker+Valid, 5482 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:54:01,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3066 Valid, 5482 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 789 Invalid, 2 Unknown, 0 Unchecked, 8.4s Time] [2022-11-26 00:54:01,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7375 states. [2022-11-26 00:54:02,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7375 to 7367. [2022-11-26 00:54:02,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7367 states, 4276 states have (on average 1.2228718428437793) internal successors, (5229), 4432 states have internal predecessors, (5229), 2362 states have call successors, (2362), 716 states have call predecessors, (2362), 716 states have return successors, (2372), 2317 states have call predecessors, (2372), 2360 states have call successors, (2372) [2022-11-26 00:54:02,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7367 states to 7367 states and 9963 transitions. [2022-11-26 00:54:02,887 INFO L78 Accepts]: Start accepts. Automaton has 7367 states and 9963 transitions. Word has length 242 [2022-11-26 00:54:02,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:54:02,887 INFO L495 AbstractCegarLoop]: Abstraction has 7367 states and 9963 transitions. [2022-11-26 00:54:02,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-26 00:54:02,888 INFO L276 IsEmpty]: Start isEmpty. Operand 7367 states and 9963 transitions. [2022-11-26 00:54:02,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-11-26 00:54:02,891 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:54:02,891 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 8, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:54:02,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-26 00:54:02,891 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-26 00:54:02,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:54:02,892 INFO L85 PathProgramCache]: Analyzing trace with hash 549424839, now seen corresponding path program 1 times [2022-11-26 00:54:02,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:54:02,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634620422] [2022-11-26 00:54:02,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:54:02,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:54:03,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:54:07,246 INFO L134 CoverageAnalysis]: Checked inductivity of 509 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2022-11-26 00:54:07,246 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:54:07,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634620422] [2022-11-26 00:54:07,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634620422] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:54:07,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:54:07,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-26 00:54:07,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615932566] [2022-11-26 00:54:07,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:54:07,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 00:54:07,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:54:07,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 00:54:07,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:54:07,248 INFO L87 Difference]: Start difference. First operand 7367 states and 9963 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 3 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (42), 4 states have call predecessors, (42), 3 states have call successors, (42) [2022-11-26 00:54:08,760 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 00:54:10,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:54:12,780 WARN L539 Checker$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 00:54:15,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:54:16,753 WARN L539 Checker$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 00:54:19,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:54:20,567 WARN L539 Checker$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 00:54:22,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:54:28,757 WARN L539 Checker$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 00:54:30,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:54:31,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:54:34,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:54:34,707 INFO L93 Difference]: Finished difference Result 7650 states and 10307 transitions. [2022-11-26 00:54:34,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:54:34,710 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 3 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (42), 4 states have call predecessors, (42), 3 states have call successors, (42) Word has length 250 [2022-11-26 00:54:34,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:54:34,730 INFO L225 Difference]: With dead ends: 7650 [2022-11-26 00:54:34,730 INFO L226 Difference]: Without dead ends: 7648 [2022-11-26 00:54:34,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:54:34,735 INFO L413 NwaCegarLoop]: 2823 mSDtfsCounter, 266 mSDsluCounter, 13993 mSDsCounter, 0 mSdLazyCounter, 2652 mSolverCounterSat, 6 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 16816 SdHoareTripleChecker+Invalid, 2663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2652 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:54:34,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 16816 Invalid, 2663 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 2652 Invalid, 5 Unknown, 0 Unchecked, 26.3s Time] [2022-11-26 00:54:34,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7648 states. [2022-11-26 00:54:35,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7648 to 7369. [2022-11-26 00:54:35,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7369 states, 4278 states have (on average 1.2230014025245441) internal successors, (5232), 4433 states have internal predecessors, (5232), 2362 states have call successors, (2362), 716 states have call predecessors, (2362), 716 states have return successors, (2372), 2318 states have call predecessors, (2372), 2360 states have call successors, (2372) [2022-11-26 00:54:35,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7369 states to 7369 states and 9966 transitions. [2022-11-26 00:54:35,535 INFO L78 Accepts]: Start accepts. Automaton has 7369 states and 9966 transitions. Word has length 250 [2022-11-26 00:54:35,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:54:35,535 INFO L495 AbstractCegarLoop]: Abstraction has 7369 states and 9966 transitions. [2022-11-26 00:54:35,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 3 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (42), 4 states have call predecessors, (42), 3 states have call successors, (42) [2022-11-26 00:54:35,536 INFO L276 IsEmpty]: Start isEmpty. Operand 7369 states and 9966 transitions. [2022-11-26 00:54:35,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-11-26 00:54:35,539 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:54:35,539 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:54:35,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-11-26 00:54:35,540 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting igbvf_configureErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-26 00:54:35,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:54:35,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1656008897, now seen corresponding path program 1 times [2022-11-26 00:54:35,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:54:35,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498779597] [2022-11-26 00:54:35,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:54:35,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:54:36,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:54:38,861 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2022-11-26 00:54:38,861 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:54:38,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498779597] [2022-11-26 00:54:38,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498779597] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:54:38,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:54:38,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:54:38,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952999366] [2022-11-26 00:54:38,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:54:38,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:54:38,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:54:38,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:54:38,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:54:38,863 INFO L87 Difference]: Start difference. First operand 7369 states and 9966 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-11-26 00:54:40,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:54:42,511 WARN L539 Checker$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 00:54:45,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:54:46,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:54:48,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:54:49,933 WARN L539 Checker$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 00:54:51,942 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 00:54:57,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:54:57,955 INFO L93 Difference]: Finished difference Result 7601 states and 10318 transitions. [2022-11-26 00:54:57,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:54:57,956 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 274 [2022-11-26 00:54:57,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:54:57,978 INFO L225 Difference]: With dead ends: 7601 [2022-11-26 00:54:57,978 INFO L226 Difference]: Without dead ends: 7599 [2022-11-26 00:54:57,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:54:57,983 INFO L413 NwaCegarLoop]: 2816 mSDtfsCounter, 68 mSDsluCounter, 8326 mSDsCounter, 0 mSdLazyCounter, 1598 mSolverCounterSat, 63 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 11142 SdHoareTripleChecker+Invalid, 1665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1598 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:54:57,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 11142 Invalid, 1665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1598 Invalid, 4 Unknown, 0 Unchecked, 17.9s Time] [2022-11-26 00:54:57,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7599 states. [2022-11-26 00:54:58,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7599 to 7367. [2022-11-26 00:54:58,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7367 states, 4277 states have (on average 1.2221183072246902) internal successors, (5227), 4431 states have internal predecessors, (5227), 2362 states have call successors, (2362), 716 states have call predecessors, (2362), 716 states have return successors, (2372), 2318 states have call predecessors, (2372), 2360 states have call successors, (2372) [2022-11-26 00:54:58,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7367 states to 7367 states and 9961 transitions. [2022-11-26 00:54:58,807 INFO L78 Accepts]: Start accepts. Automaton has 7367 states and 9961 transitions. Word has length 274 [2022-11-26 00:54:58,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:54:58,807 INFO L495 AbstractCegarLoop]: Abstraction has 7367 states and 9961 transitions. [2022-11-26 00:54:58,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-11-26 00:54:58,807 INFO L276 IsEmpty]: Start isEmpty. Operand 7367 states and 9961 transitions. [2022-11-26 00:54:58,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2022-11-26 00:54:58,811 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:54:58,811 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 8, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:54:58,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-11-26 00:54:58,811 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-26 00:54:58,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:54:58,812 INFO L85 PathProgramCache]: Analyzing trace with hash -452171189, now seen corresponding path program 1 times [2022-11-26 00:54:58,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:54:58,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989848992] [2022-11-26 00:54:58,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:54:58,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:54:59,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:54:59,922 INFO L134 CoverageAnalysis]: Checked inductivity of 509 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2022-11-26 00:54:59,922 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:54:59,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989848992] [2022-11-26 00:54:59,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989848992] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:54:59,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:54:59,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 00:54:59,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831473131] [2022-11-26 00:54:59,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:54:59,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:54:59,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:54:59,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:54:59,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:54:59,924 INFO L87 Difference]: Start difference. First operand 7367 states and 9961 transitions. Second operand has 6 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (45), 3 states have call predecessors, (45), 2 states have call successors, (45) [2022-11-26 00:55:04,212 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 00:55:06,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:55:08,265 WARN L539 Checker$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 00:55:16,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:55:16,246 INFO L93 Difference]: Finished difference Result 12119 states and 16694 transitions. [2022-11-26 00:55:16,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:55:16,247 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (45), 3 states have call predecessors, (45), 2 states have call successors, (45) Word has length 268 [2022-11-26 00:55:16,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:55:16,273 INFO L225 Difference]: With dead ends: 12119 [2022-11-26 00:55:16,273 INFO L226 Difference]: Without dead ends: 8479 [2022-11-26 00:55:16,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:55:16,285 INFO L413 NwaCegarLoop]: 3570 mSDtfsCounter, 525 mSDsluCounter, 13543 mSDsCounter, 0 mSdLazyCounter, 2456 mSolverCounterSat, 10 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 821 SdHoareTripleChecker+Valid, 17113 SdHoareTripleChecker+Invalid, 2469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2456 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:55:16,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [821 Valid, 17113 Invalid, 2469 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 2456 Invalid, 3 Unknown, 0 Unchecked, 14.9s Time] [2022-11-26 00:55:16,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8479 states. [2022-11-26 00:55:17,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8479 to 7375. [2022-11-26 00:55:17,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7375 states, 4283 states have (on average 1.2218071445248657) internal successors, (5233), 4437 states have internal predecessors, (5233), 2362 states have call successors, (2362), 716 states have call predecessors, (2362), 718 states have return successors, (2396), 2320 states have call predecessors, (2396), 2360 states have call successors, (2396) [2022-11-26 00:55:17,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7375 states to 7375 states and 9991 transitions. [2022-11-26 00:55:17,305 INFO L78 Accepts]: Start accepts. Automaton has 7375 states and 9991 transitions. Word has length 268 [2022-11-26 00:55:17,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:55:17,305 INFO L495 AbstractCegarLoop]: Abstraction has 7375 states and 9991 transitions. [2022-11-26 00:55:17,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (45), 3 states have call predecessors, (45), 2 states have call successors, (45) [2022-11-26 00:55:17,305 INFO L276 IsEmpty]: Start isEmpty. Operand 7375 states and 9991 transitions. [2022-11-26 00:55:17,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-11-26 00:55:17,309 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:55:17,310 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:55:17,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-11-26 00:55:17,310 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-26 00:55:17,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:55:17,310 INFO L85 PathProgramCache]: Analyzing trace with hash 2045172396, now seen corresponding path program 1 times [2022-11-26 00:55:17,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:55:17,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383057530] [2022-11-26 00:55:17,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:55:17,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:55:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:55:17,980 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2022-11-26 00:55:17,980 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:55:17,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383057530] [2022-11-26 00:55:17,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383057530] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:55:17,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:55:17,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:55:17,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260515265] [2022-11-26 00:55:17,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:55:17,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:55:17,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:55:17,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:55:17,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:55:17,983 INFO L87 Difference]: Start difference. First operand 7375 states and 9991 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2022-11-26 00:55:20,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:55:21,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:55:26,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:55:26,180 INFO L93 Difference]: Finished difference Result 7375 states and 9991 transitions. [2022-11-26 00:55:26,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:55:26,181 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 272 [2022-11-26 00:55:26,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:55:26,199 INFO L225 Difference]: With dead ends: 7375 [2022-11-26 00:55:26,199 INFO L226 Difference]: Without dead ends: 7373 [2022-11-26 00:55:26,202 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 00:55:26,203 INFO L413 NwaCegarLoop]: 2736 mSDtfsCounter, 3047 mSDsluCounter, 2732 mSDsCounter, 0 mSdLazyCounter, 787 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3049 SdHoareTripleChecker+Valid, 5468 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 787 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:55:26,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3049 Valid, 5468 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 787 Invalid, 1 Unknown, 0 Unchecked, 7.0s Time] [2022-11-26 00:55:26,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7373 states. [2022-11-26 00:55:27,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7373 to 7373. [2022-11-26 00:55:27,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7373 states, 4282 states have (on average 1.2216254086875291) internal successors, (5231), 4435 states have internal predecessors, (5231), 2362 states have call successors, (2362), 716 states have call predecessors, (2362), 718 states have return successors, (2396), 2320 states have call predecessors, (2396), 2360 states have call successors, (2396) [2022-11-26 00:55:27,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7373 states to 7373 states and 9989 transitions. [2022-11-26 00:55:27,073 INFO L78 Accepts]: Start accepts. Automaton has 7373 states and 9989 transitions. Word has length 272 [2022-11-26 00:55:27,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:55:27,074 INFO L495 AbstractCegarLoop]: Abstraction has 7373 states and 9989 transitions. [2022-11-26 00:55:27,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2022-11-26 00:55:27,074 INFO L276 IsEmpty]: Start isEmpty. Operand 7373 states and 9989 transitions. [2022-11-26 00:55:27,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-11-26 00:55:27,079 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:55:27,079 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:55:27,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-11-26 00:55:27,079 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-26 00:55:27,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:55:27,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1684161713, now seen corresponding path program 1 times [2022-11-26 00:55:27,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:55:27,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322179514] [2022-11-26 00:55:27,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:55:27,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:55:27,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:55:27,653 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2022-11-26 00:55:27,653 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:55:27,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322179514] [2022-11-26 00:55:27,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322179514] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:55:27,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:55:27,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:55:27,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120849715] [2022-11-26 00:55:27,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:55:27,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:55:27,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:55:27,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:55:27,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:55:27,657 INFO L87 Difference]: Start difference. First operand 7373 states and 9989 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2022-11-26 00:55:29,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:55:31,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:55:35,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:55:35,376 INFO L93 Difference]: Finished difference Result 7373 states and 9989 transitions. [2022-11-26 00:55:35,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:55:35,377 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 274 [2022-11-26 00:55:35,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:55:35,396 INFO L225 Difference]: With dead ends: 7373 [2022-11-26 00:55:35,397 INFO L226 Difference]: Without dead ends: 7371 [2022-11-26 00:55:35,399 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 00:55:35,400 INFO L413 NwaCegarLoop]: 2734 mSDtfsCounter, 3039 mSDsluCounter, 2734 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3041 SdHoareTripleChecker+Valid, 5468 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:55:35,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3041 Valid, 5468 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2022-11-26 00:55:35,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7371 states. [2022-11-26 00:55:36,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7371 to 7371. [2022-11-26 00:55:36,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7371 states, 4281 states have (on average 1.2214435879467413) internal successors, (5229), 4433 states have internal predecessors, (5229), 2362 states have call successors, (2362), 716 states have call predecessors, (2362), 718 states have return successors, (2396), 2320 states have call predecessors, (2396), 2360 states have call successors, (2396) [2022-11-26 00:55:36,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7371 states to 7371 states and 9987 transitions. [2022-11-26 00:55:36,518 INFO L78 Accepts]: Start accepts. Automaton has 7371 states and 9987 transitions. Word has length 274 [2022-11-26 00:55:36,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:55:36,519 INFO L495 AbstractCegarLoop]: Abstraction has 7371 states and 9987 transitions. [2022-11-26 00:55:36,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2022-11-26 00:55:36,519 INFO L276 IsEmpty]: Start isEmpty. Operand 7371 states and 9987 transitions. [2022-11-26 00:55:36,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-11-26 00:55:36,523 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:55:36,523 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 8, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:55:36,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-11-26 00:55:36,524 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-26 00:55:36,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:55:36,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1399813028, now seen corresponding path program 1 times [2022-11-26 00:55:36,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:55:36,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128857211] [2022-11-26 00:55:36,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:55:36,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:55:37,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:55:41,605 INFO L134 CoverageAnalysis]: Checked inductivity of 509 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2022-11-26 00:55:41,606 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:55:41,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128857211] [2022-11-26 00:55:41,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128857211] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:55:41,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:55:41,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 00:55:41,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781167552] [2022-11-26 00:55:41,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:55:41,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 00:55:41,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:55:41,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 00:55:41,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:55:41,608 INFO L87 Difference]: Start difference. First operand 7371 states and 9987 transitions. Second operand has 11 states, 10 states have (on average 9.7) internal successors, (97), 10 states have internal predecessors, (97), 4 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (47), 5 states have call predecessors, (47), 4 states have call successors, (47) [2022-11-26 00:55:45,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:55:48,377 WARN L539 Checker$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 00:55:50,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:55:53,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:55:55,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:55:56,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:11,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:13,640 WARN L539 Checker$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 00:56:18,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:40,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:42,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:44,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:46,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:56:52,393 WARN L539 Checker$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 00:57:13,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:13,697 INFO L93 Difference]: Finished difference Result 17919 states and 24317 transitions. [2022-11-26 00:57:13,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-26 00:57:13,698 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 9.7) internal successors, (97), 10 states have internal predecessors, (97), 4 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (47), 5 states have call predecessors, (47), 4 states have call successors, (47) Word has length 277 [2022-11-26 00:57:13,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:13,749 INFO L225 Difference]: With dead ends: 17919 [2022-11-26 00:57:13,749 INFO L226 Difference]: Without dead ends: 17917 [2022-11-26 00:57:13,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=126, Invalid=474, Unknown=0, NotChecked=0, Total=600 [2022-11-26 00:57:13,757 INFO L413 NwaCegarLoop]: 2023 mSDtfsCounter, 7673 mSDsluCounter, 8837 mSDsCounter, 0 mSdLazyCounter, 36568 mSolverCounterSat, 5066 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 81.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8696 SdHoareTripleChecker+Valid, 10860 SdHoareTripleChecker+Invalid, 41642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 5066 IncrementalHoareTripleChecker+Valid, 36568 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 87.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:13,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8696 Valid, 10860 Invalid, 41642 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [5066 Valid, 36568 Invalid, 8 Unknown, 0 Unchecked, 87.2s Time] [2022-11-26 00:57:13,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17917 states. [2022-11-26 00:57:16,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17917 to 17598. [2022-11-26 00:57:16,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17598 states, 10234 states have (on average 1.2243502051983584) internal successors, (12530), 10584 states have internal predecessors, (12530), 5663 states have call successors, (5663), 1686 states have call predecessors, (5663), 1691 states have return successors, (5741), 5564 states have call predecessors, (5741), 5661 states have call successors, (5741) [2022-11-26 00:57:16,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17598 states to 17598 states and 23934 transitions. [2022-11-26 00:57:16,201 INFO L78 Accepts]: Start accepts. Automaton has 17598 states and 23934 transitions. Word has length 277 [2022-11-26 00:57:16,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:16,202 INFO L495 AbstractCegarLoop]: Abstraction has 17598 states and 23934 transitions. [2022-11-26 00:57:16,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 9.7) internal successors, (97), 10 states have internal predecessors, (97), 4 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (47), 5 states have call predecessors, (47), 4 states have call successors, (47) [2022-11-26 00:57:16,202 INFO L276 IsEmpty]: Start isEmpty. Operand 17598 states and 23934 transitions. [2022-11-26 00:57:16,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2022-11-26 00:57:16,207 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:16,207 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:57:16,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-11-26 00:57:16,207 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-26 00:57:16,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:16,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1059484891, now seen corresponding path program 1 times [2022-11-26 00:57:16,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:57:16,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745649123] [2022-11-26 00:57:16,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:16,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:57:16,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:16,777 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2022-11-26 00:57:16,777 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:57:16,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745649123] [2022-11-26 00:57:16,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745649123] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:16,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:57:16,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:57:16,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081443562] [2022-11-26 00:57:16,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:16,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:57:16,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:57:16,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:57:16,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:57:16,780 INFO L87 Difference]: Start difference. First operand 17598 states and 23934 transitions. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-11-26 00:57:18,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:19,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:57:21,033 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 00:57:26,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:26,922 INFO L93 Difference]: Finished difference Result 17598 states and 23934 transitions. [2022-11-26 00:57:26,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:57:26,922 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 299 [2022-11-26 00:57:26,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:26,995 INFO L225 Difference]: With dead ends: 17598 [2022-11-26 00:57:26,996 INFO L226 Difference]: Without dead ends: 17596 [2022-11-26 00:57:27,002 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 00:57:27,003 INFO L413 NwaCegarLoop]: 2732 mSDtfsCounter, 3034 mSDsluCounter, 2732 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3036 SdHoareTripleChecker+Valid, 5464 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:27,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3036 Valid, 5464 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2022-11-26 00:57:27,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17596 states. [2022-11-26 00:57:29,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17596 to 17596. [2022-11-26 00:57:29,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17596 states, 10233 states have (on average 1.2242744063324538) internal successors, (12528), 10582 states have internal predecessors, (12528), 5663 states have call successors, (5663), 1686 states have call predecessors, (5663), 1691 states have return successors, (5741), 5564 states have call predecessors, (5741), 5661 states have call successors, (5741) [2022-11-26 00:57:29,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17596 states to 17596 states and 23932 transitions. [2022-11-26 00:57:29,400 INFO L78 Accepts]: Start accepts. Automaton has 17596 states and 23932 transitions. Word has length 299 [2022-11-26 00:57:29,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:29,401 INFO L495 AbstractCegarLoop]: Abstraction has 17596 states and 23932 transitions. [2022-11-26 00:57:29,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-11-26 00:57:29,402 INFO L276 IsEmpty]: Start isEmpty. Operand 17596 states and 23932 transitions. [2022-11-26 00:57:29,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2022-11-26 00:57:29,407 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:29,407 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 10, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 00:57:29,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-11-26 00:57:29,407 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-26 00:57:29,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:29,408 INFO L85 PathProgramCache]: Analyzing trace with hash -697293621, now seen corresponding path program 1 times [2022-11-26 00:57:29,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:57:29,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158121877] [2022-11-26 00:57:29,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:29,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:57:31,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:36,837 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2022-11-26 00:57:36,837 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:57:36,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158121877] [2022-11-26 00:57:36,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158121877] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:57:36,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1753371791] [2022-11-26 00:57:36,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:36,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:57:36,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9663ecc6-30e8-4e3c-9583-afb63a8bd438/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:57:36,846 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9663ecc6-30e8-4e3c-9583-afb63a8bd438/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:57:36,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9663ecc6-30e8-4e3c-9583-afb63a8bd438/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-26 00:57:42,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:42,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 5497 conjuncts, 40 conjunts are in the unsatisfiable core [2022-11-26 00:57:42,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:57:43,035 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 204 proven. 2 refuted. 0 times theorem prover too weak. 430 trivial. 0 not checked. [2022-11-26 00:57:43,035 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:57:43,741 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 4 proven. 46 refuted. 0 times theorem prover too weak. 586 trivial. 0 not checked. [2022-11-26 00:57:43,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1753371791] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:57:43,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1001307649] [2022-11-26 00:57:43,772 INFO L159 IcfgInterpreter]: Started Sifa with 144 locations of interest [2022-11-26 00:57:43,772 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:57:43,779 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:57:43,786 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:57:43,786 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:57:51,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-26 00:57:52,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16