./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--gpu--drm--ast--ast.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/bin/utaipan-gh47qXpMRh --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 ca0a53c4f6c5b2fe175dc6e02f972fead30c92e05ea428ef0a5b4e9fd4cc9337 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 04:47:17,307 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 04:47:17,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 04:47:17,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 04:47:17,329 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 04:47:17,330 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 04:47:17,331 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 04:47:17,333 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 04:47:17,334 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 04:47:17,335 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 04:47:17,336 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 04:47:17,337 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 04:47:17,338 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 04:47:17,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 04:47:17,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 04:47:17,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 04:47:17,342 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 04:47:17,342 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 04:47:17,344 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 04:47:17,346 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 04:47:17,347 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 04:47:17,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 04:47:17,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 04:47:17,350 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 04:47:17,354 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 04:47:17,354 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 04:47:17,355 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 04:47:17,356 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 04:47:17,356 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 04:47:17,357 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 04:47:17,357 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 04:47:17,358 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 04:47:17,359 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 04:47:17,359 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 04:47:17,360 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 04:47:17,361 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 04:47:17,361 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 04:47:17,361 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 04:47:17,362 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 04:47:17,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 04:47:17,363 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 04:47:17,364 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 04:47:17,385 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 04:47:17,385 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 04:47:17,386 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 04:47:17,386 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 04:47:17,387 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 04:47:17,387 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 04:47:17,387 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 04:47:17,387 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 04:47:17,387 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 04:47:17,388 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 04:47:17,388 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 04:47:17,388 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 04:47:17,388 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 04:47:17,388 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 04:47:17,389 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 04:47:17,389 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 04:47:17,389 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 04:47:17,389 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 04:47:17,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 04:47:17,390 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 04:47:17,390 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 04:47:17,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 04:47:17,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 04:47:17,391 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 04:47:17,391 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 04:47:17,391 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 04:47:17,392 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 04:47:17,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 04:47:17,392 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 04:47:17,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:47:17,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 04:47:17,393 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 04:47:17,393 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 04:47:17,393 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 04:47:17,393 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 04:47:17,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 04:47:17,394 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 04:47:17,394 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 04:47:17,394 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca0a53c4f6c5b2fe175dc6e02f972fead30c92e05ea428ef0a5b4e9fd4cc9337 [2022-12-14 04:47:17,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 04:47:17,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 04:47:17,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 04:47:17,619 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 04:47:17,619 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 04:47:17,620 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i [2022-12-14 04:47:20,123 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 04:47:20,600 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 04:47:20,601 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i [2022-12-14 04:47:20,636 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/bin/utaipan-gh47qXpMRh/data/9b776e85d/a1ef3c6d73764ece9da3fddd36c23cf0/FLAG082e336ff [2022-12-14 04:47:20,698 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/bin/utaipan-gh47qXpMRh/data/9b776e85d/a1ef3c6d73764ece9da3fddd36c23cf0 [2022-12-14 04:47:20,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 04:47:20,701 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 04:47:20,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 04:47:20,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 04:47:20,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 04:47:20,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:47:20" (1/1) ... [2022-12-14 04:47:20,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@333d916e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:20, skipping insertion in model container [2022-12-14 04:47:20,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:47:20" (1/1) ... [2022-12-14 04:47:20,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 04:47:20,856 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 04:47:21,746 WARN L623 FunctionHandler]: Unknown extern function drm_get_pci_dev [2022-12-14 04:47:21,753 WARN L623 FunctionHandler]: Unknown extern function drm_put_dev [2022-12-14 04:47:21,759 WARN L623 FunctionHandler]: Unknown extern function drm_kms_helper_poll_disable [2022-12-14 04:47:21,759 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 04:47:21,760 WARN L623 FunctionHandler]: Unknown extern function console_lock [2022-12-14 04:47:21,760 WARN L623 FunctionHandler]: Unknown extern function console_unlock [2022-12-14 04:47:21,766 WARN L623 FunctionHandler]: Unknown extern function drm_mode_config_reset [2022-12-14 04:47:21,766 WARN L623 FunctionHandler]: Unknown extern function drm_helper_resume_force_mode [2022-12-14 04:47:21,766 WARN L623 FunctionHandler]: Unknown extern function console_lock [2022-12-14 04:47:21,766 WARN L623 FunctionHandler]: Unknown extern function console_unlock [2022-12-14 04:47:21,773 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 04:47:21,774 WARN L623 FunctionHandler]: Unknown extern function drm_kms_helper_poll_enable [2022-12-14 04:47:21,781 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 04:47:21,781 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 04:47:21,825 WARN L623 FunctionHandler]: Unknown extern function vgacon_text_force [2022-12-14 04:47:21,826 WARN L623 FunctionHandler]: Unknown extern function drm_pci_init [2022-12-14 04:47:21,832 WARN L623 FunctionHandler]: Unknown extern function drm_pci_exit [2022-12-14 04:47:22,479 WARN L623 FunctionHandler]: Unknown extern function drm_gem_dumb_destroy [2022-12-14 04:47:22,480 WARN L623 FunctionHandler]: Unknown extern function drm_compat_ioctl [2022-12-14 04:47:22,481 WARN L623 FunctionHandler]: Unknown extern function drm_poll [2022-12-14 04:47:22,481 WARN L623 FunctionHandler]: Unknown extern function drm_read [2022-12-14 04:47:22,482 WARN L623 FunctionHandler]: Unknown extern function drm_pci_set_busid [2022-12-14 04:47:22,482 WARN L623 FunctionHandler]: Unknown extern function drm_ioctl [2022-12-14 04:47:22,483 WARN L623 FunctionHandler]: Unknown extern function drm_open [2022-12-14 04:47:22,483 WARN L623 FunctionHandler]: Unknown extern function drm_release [2022-12-14 04:47:22,525 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 04:47:22,525 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 04:47:22,622 WARN L623 FunctionHandler]: Unknown extern function __cmpxchg_wrong_size [2022-12-14 04:47:22,653 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 04:47:22,774 WARN L623 FunctionHandler]: Unknown extern function drm_gem_object_free [2022-12-14 04:47:22,796 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 04:47:22,805 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 04:47:22,813 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 04:47:22,821 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 04:47:22,829 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 04:47:22,943 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:47:22,944 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:47:22,944 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:47:22,945 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:47:22,946 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:47:22,946 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:47:22,947 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:47:22,947 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:47:22,948 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:47:22,952 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:47:22,953 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:47:22,953 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:47:22,962 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:47:22,981 WARN L623 FunctionHandler]: Unknown extern function drm_framebuffer_cleanup [2022-12-14 04:47:22,981 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:47:22,982 WARN L623 FunctionHandler]: Unknown extern function drm_helper_mode_fill_fb_struct [2022-12-14 04:47:22,982 WARN L623 FunctionHandler]: Unknown extern function drm_framebuffer_init [2022-12-14 04:47:22,982 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-14 04:47:22,988 WARN L623 FunctionHandler]: Unknown extern function drm_gem_object_lookup [2022-12-14 04:47:22,990 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:47:23,001 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-14 04:47:23,002 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:47:23,003 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-14 04:47:23,004 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:47:23,005 WARN L623 FunctionHandler]: Unknown extern function drm_mode_config_init [2022-12-14 04:47:23,007 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:47:23,008 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:47:23,009 WARN L623 FunctionHandler]: Unknown extern function drm_mode_config_cleanup [2022-12-14 04:47:23,009 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 04:47:23,009 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 04:47:23,009 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:47:23,011 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-14 04:47:23,013 WARN L623 FunctionHandler]: Unknown extern function drm_gem_handle_create [2022-12-14 04:47:23,020 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_unref [2022-12-14 04:47:23,028 WARN L623 FunctionHandler]: Unknown extern function drm_gem_object_lookup [2022-12-14 04:47:23,081 WARN L623 FunctionHandler]: Unknown extern function __cmpxchg_wrong_size [2022-12-14 04:47:23,122 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 04:47:23,133 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 04:47:23,185 WARN L623 FunctionHandler]: Unknown extern function __ww_mutex_lock [2022-12-14 04:47:23,191 WARN L623 FunctionHandler]: Unknown extern function __ww_mutex_lock_interruptible [2022-12-14 04:47:23,276 WARN L623 FunctionHandler]: Unknown extern function drm_mode_object_find [2022-12-14 04:47:23,341 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 04:47:23,348 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 04:47:23,349 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_del_sub_from_lru [2022-12-14 04:47:23,355 WARN L623 FunctionHandler]: Unknown extern function ww_mutex_unlock [2022-12-14 04:47:23,360 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_add_to_lru [2022-12-14 04:47:23,366 WARN L623 FunctionHandler]: Unknown extern function drm_gem_object_free [2022-12-14 04:47:23,382 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-14 04:47:23,455 WARN L623 FunctionHandler]: Unknown extern function drm_mode_vrefresh [2022-12-14 04:47:23,545 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_kmap [2022-12-14 04:47:23,546 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-14 04:47:23,558 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-14 04:47:23,595 WARN L623 FunctionHandler]: Unknown extern function drm_crtc_cleanup [2022-12-14 04:47:23,595 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:47:23,601 WARN L623 FunctionHandler]: Unknown extern function drm_crtc_init [2022-12-14 04:47:23,602 WARN L623 FunctionHandler]: Unknown extern function drm_mode_crtc_set_gamma_size [2022-12-14 04:47:23,608 WARN L623 FunctionHandler]: Unknown extern function drm_encoder_cleanup [2022-12-14 04:47:23,609 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:47:23,650 WARN L623 FunctionHandler]: Unknown extern function drm_encoder_init [2022-12-14 04:47:23,657 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:47:23,657 WARN L623 FunctionHandler]: Unknown extern function drm_get_edid [2022-12-14 04:47:23,658 WARN L623 FunctionHandler]: Unknown extern function drm_mode_connector_update_edid_property [2022-12-14 04:47:23,658 WARN L623 FunctionHandler]: Unknown extern function drm_add_edid_modes [2022-12-14 04:47:23,658 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:47:23,658 WARN L623 FunctionHandler]: Unknown extern function drm_mode_connector_update_edid_property [2022-12-14 04:47:23,676 WARN L623 FunctionHandler]: Unknown extern function drm_connector_cleanup [2022-12-14 04:47:23,676 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:47:23,689 WARN L623 FunctionHandler]: Unknown extern function drm_connector_init [2022-12-14 04:47:23,690 WARN L623 FunctionHandler]: Unknown extern function drm_mode_connector_attach_encoder [2022-12-14 04:47:23,690 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-14 04:47:23,698 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_kmap [2022-12-14 04:47:23,699 WARN L623 FunctionHandler]: Unknown extern function drm_ut_debug_printk [2022-12-14 04:47:23,705 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_kunmap [2022-12-14 04:47:23,733 WARN L623 FunctionHandler]: Unknown extern function i2c_bit_add_bus [2022-12-14 04:47:23,734 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-14 04:47:23,734 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:47:23,735 WARN L623 FunctionHandler]: Unknown extern function i2c_del_adapter [2022-12-14 04:47:23,735 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:47:23,760 WARN L623 FunctionHandler]: Unknown extern function drm_gem_object_lookup [2022-12-14 04:47:23,761 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-14 04:47:23,762 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_kmap [2022-12-14 04:47:23,762 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-14 04:47:23,763 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-14 04:47:23,763 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_kunmap [2022-12-14 04:47:23,790 WARN L623 FunctionHandler]: Unknown extern function drm_helper_connector_dpms [2022-12-14 04:47:23,790 WARN L623 FunctionHandler]: Unknown extern function drm_helper_probe_single_connector_modes [2022-12-14 04:47:23,793 WARN L623 FunctionHandler]: Unknown extern function drm_crtc_helper_set_config [2022-12-14 04:47:23,795 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 04:47:23,797 WARN L623 FunctionHandler]: Unknown extern function drm_connector_unregister [2022-12-14 04:47:23,798 WARN L623 FunctionHandler]: Unknown extern function drm_connector_register [2022-12-14 04:47:23,886 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 04:47:23,907 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 04:47:23,987 WARN L623 FunctionHandler]: Unknown extern function __ww_mutex_lock [2022-12-14 04:47:23,993 WARN L623 FunctionHandler]: Unknown extern function __ww_mutex_lock_interruptible [2022-12-14 04:47:24,028 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 04:47:24,028 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 04:47:24,029 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 04:47:24,029 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 04:47:24,030 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-12-14 04:47:24,119 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 04:47:24,126 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 04:47:24,126 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_del_sub_from_lru [2022-12-14 04:47:24,132 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_add_to_lru [2022-12-14 04:47:24,139 WARN L623 FunctionHandler]: Unknown extern function drm_gem_object_free [2022-12-14 04:47:24,144 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-14 04:47:24,157 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_kmap [2022-12-14 04:47:24,157 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-14 04:47:24,158 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_kunmap [2022-12-14 04:47:24,164 WARN L623 FunctionHandler]: Unknown extern function sys_fillrect [2022-12-14 04:47:24,170 WARN L623 FunctionHandler]: Unknown extern function sys_copyarea [2022-12-14 04:47:24,177 WARN L623 FunctionHandler]: Unknown extern function sys_imageblit [2022-12-14 04:47:24,183 WARN L623 FunctionHandler]: Unknown extern function drm_fb_get_bpp_depth [2022-12-14 04:47:24,190 WARN L623 FunctionHandler]: Unknown extern function drm_mode_legacy_fb_format [2022-12-14 04:47:24,191 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-14 04:47:24,191 WARN L623 FunctionHandler]: Unknown extern function framebuffer_alloc [2022-12-14 04:47:24,192 WARN L623 FunctionHandler]: Unknown extern function fb_alloc_cmap [2022-12-14 04:47:24,193 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_fill_fix [2022-12-14 04:47:24,193 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_fill_var [2022-12-14 04:47:24,194 WARN L623 FunctionHandler]: Unknown extern function drm_ut_debug_printk [2022-12-14 04:47:24,212 WARN L623 FunctionHandler]: Unknown extern function unregister_framebuffer [2022-12-14 04:47:24,213 WARN L623 FunctionHandler]: Unknown extern function fb_dealloc_cmap [2022-12-14 04:47:24,213 WARN L623 FunctionHandler]: Unknown extern function framebuffer_release [2022-12-14 04:47:24,213 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_fini [2022-12-14 04:47:24,214 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 04:47:24,214 WARN L623 FunctionHandler]: Unknown extern function drm_framebuffer_cleanup [2022-12-14 04:47:24,214 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 04:47:24,215 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_prepare [2022-12-14 04:47:24,215 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_init [2022-12-14 04:47:24,215 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_single_add_all_connectors [2022-12-14 04:47:24,215 WARN L623 FunctionHandler]: Unknown extern function drm_helper_disable_unused_functions [2022-12-14 04:47:24,215 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_initial_config [2022-12-14 04:47:24,216 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_fini [2022-12-14 04:47:24,216 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:47:24,216 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:47:24,217 WARN L623 FunctionHandler]: Unknown extern function fb_set_suspend [2022-12-14 04:47:24,229 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_blank [2022-12-14 04:47:24,229 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_check_var [2022-12-14 04:47:24,230 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_debug_enter [2022-12-14 04:47:24,230 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_debug_leave [2022-12-14 04:47:24,230 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_pan_display [2022-12-14 04:47:24,230 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_set_par [2022-12-14 04:47:24,231 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_setcmap [2022-12-14 04:47:24,231 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 04:47:24,231 WARN L623 FunctionHandler]: Unknown extern function drm_framebuffer_unregister_private [2022-12-14 04:47:24,264 WARN L623 FunctionHandler]: Unknown extern function drm_vma_node_is_allowed [2022-12-14 04:47:24,395 WARN L623 FunctionHandler]: Unknown extern function ttm_mem_global_init [2022-12-14 04:47:24,401 WARN L623 FunctionHandler]: Unknown extern function ttm_mem_global_release [2022-12-14 04:47:24,406 WARN L623 FunctionHandler]: Unknown extern function drm_global_item_ref [2022-12-14 04:47:24,407 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-14 04:47:24,407 WARN L623 FunctionHandler]: Unknown extern function drm_global_item_ref [2022-12-14 04:47:24,407 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-14 04:47:24,408 WARN L623 FunctionHandler]: Unknown extern function drm_global_item_unref [2022-12-14 04:47:24,413 WARN L623 FunctionHandler]: Unknown extern function drm_global_item_unref [2022-12-14 04:47:24,413 WARN L623 FunctionHandler]: Unknown extern function drm_global_item_unref [2022-12-14 04:47:24,419 WARN L623 FunctionHandler]: Unknown extern function drm_gem_object_release [2022-12-14 04:47:24,419 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:47:24,430 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-14 04:47:24,459 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_move_memcpy [2022-12-14 04:47:24,465 WARN L623 FunctionHandler]: Unknown extern function ttm_tt_fini [2022-12-14 04:47:24,465 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:47:24,471 WARN L623 FunctionHandler]: Unknown extern function ttm_tt_init [2022-12-14 04:47:24,471 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:47:24,477 WARN L623 FunctionHandler]: Unknown extern function ttm_pool_populate [2022-12-14 04:47:24,482 WARN L623 FunctionHandler]: Unknown extern function ttm_pool_unpopulate [2022-12-14 04:47:24,483 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_device_init [2022-12-14 04:47:24,483 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-14 04:47:24,484 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_init_mm [2022-12-14 04:47:24,484 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-14 04:47:24,484 WARN L623 FunctionHandler]: Unknown extern function arch_phys_wc_add [2022-12-14 04:47:24,486 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_device_release [2022-12-14 04:47:24,486 WARN L623 FunctionHandler]: Unknown extern function arch_phys_wc_del [2022-12-14 04:47:24,488 WARN L623 FunctionHandler]: Unknown extern function drm_gem_object_init [2022-12-14 04:47:24,489 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:47:24,489 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_dma_acc_size [2022-12-14 04:47:24,489 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_init [2022-12-14 04:47:24,497 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_validate [2022-12-14 04:47:24,497 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-14 04:47:24,498 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_validate [2022-12-14 04:47:24,499 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-14 04:47:24,499 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_kunmap [2022-12-14 04:47:24,500 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_validate [2022-12-14 04:47:24,500 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-14 04:47:24,501 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_mmap [2022-12-14 04:47:24,519 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_dword [2022-12-14 04:47:24,525 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_dword [2022-12-14 04:47:24,597 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-14 04:47:24,706 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:47:24,707 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:47:24,707 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:47:24,708 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:47:24,709 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:47:24,709 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:47:24,729 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:47:24,729 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:47:24,731 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:47:24,731 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:47:24,732 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:47:24,755 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-12-14 04:47:24,772 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:47:24,778 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:47:24,801 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 04:47:25,323 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 04:47:25,577 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:47:26,371 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[614473,614486] [2022-12-14 04:47:26,374 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[614618,614631] [2022-12-14 04:47:26,374 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[614764,614777] [2022-12-14 04:47:26,375 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[614929,614942] [2022-12-14 04:47:26,375 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615087,615100] [2022-12-14 04:47:26,375 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615245,615258] [2022-12-14 04:47:26,376 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615403,615416] [2022-12-14 04:47:26,376 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615563,615576] [2022-12-14 04:47:26,376 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615722,615735] [2022-12-14 04:47:26,376 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615861,615874] [2022-12-14 04:47:26,377 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616003,616016] [2022-12-14 04:47:26,377 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616152,616165] [2022-12-14 04:47:26,377 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616291,616304] [2022-12-14 04:47:26,378 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616446,616459] [2022-12-14 04:47:26,378 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616606,616619] [2022-12-14 04:47:26,378 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616757,616770] [2022-12-14 04:47:26,378 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616908,616921] [2022-12-14 04:47:26,379 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617060,617073] [2022-12-14 04:47:26,379 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617209,617222] [2022-12-14 04:47:26,379 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617357,617370] [2022-12-14 04:47:26,379 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617514,617527] [2022-12-14 04:47:26,380 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617663,617676] [2022-12-14 04:47:26,380 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617819,617832] [2022-12-14 04:47:26,380 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617972,617985] [2022-12-14 04:47:26,380 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618118,618131] [2022-12-14 04:47:26,381 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618261,618274] [2022-12-14 04:47:26,381 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618413,618426] [2022-12-14 04:47:26,381 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618559,618572] [2022-12-14 04:47:26,381 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618704,618717] [2022-12-14 04:47:26,382 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618858,618871] [2022-12-14 04:47:26,382 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619009,619022] [2022-12-14 04:47:26,382 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619164,619177] [2022-12-14 04:47:26,382 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619316,619329] [2022-12-14 04:47:26,383 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619471,619484] [2022-12-14 04:47:26,383 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619635,619648] [2022-12-14 04:47:26,383 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619791,619804] [2022-12-14 04:47:26,384 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619955,619968] [2022-12-14 04:47:26,384 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620097,620110] [2022-12-14 04:47:26,384 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620255,620268] [2022-12-14 04:47:26,384 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620422,620435] [2022-12-14 04:47:26,385 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620581,620594] [2022-12-14 04:47:26,385 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620740,620753] [2022-12-14 04:47:26,385 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620889,620902] [2022-12-14 04:47:26,385 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621036,621049] [2022-12-14 04:47:26,386 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621175,621188] [2022-12-14 04:47:26,386 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621338,621351] [2022-12-14 04:47:26,386 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621504,621517] [2022-12-14 04:47:26,386 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621668,621681] [2022-12-14 04:47:26,387 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621833,621846] [2022-12-14 04:47:26,387 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621998,622011] [2022-12-14 04:47:26,387 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622164,622177] [2022-12-14 04:47:26,387 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622329,622342] [2022-12-14 04:47:26,387 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622496,622509] [2022-12-14 04:47:26,388 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622656,622669] [2022-12-14 04:47:26,388 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622818,622831] [2022-12-14 04:47:26,388 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622977,622990] [2022-12-14 04:47:26,388 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623123,623136] [2022-12-14 04:47:26,389 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623266,623279] [2022-12-14 04:47:26,389 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623410,623423] [2022-12-14 04:47:26,389 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623553,623566] [2022-12-14 04:47:26,390 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623697,623710] [2022-12-14 04:47:26,390 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623838,623851] [2022-12-14 04:47:26,390 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623976,623989] [2022-12-14 04:47:26,390 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624134,624147] [2022-12-14 04:47:26,390 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624293,624306] [2022-12-14 04:47:26,391 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624449,624462] [2022-12-14 04:47:26,391 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624598,624611] [2022-12-14 04:47:26,391 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624750,624763] [2022-12-14 04:47:26,391 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624901,624914] [2022-12-14 04:47:26,392 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625050,625063] [2022-12-14 04:47:26,392 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625202,625215] [2022-12-14 04:47:26,392 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625350,625363] [2022-12-14 04:47:26,392 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625503,625516] [2022-12-14 04:47:26,393 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625654,625667] [2022-12-14 04:47:26,393 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625804,625817] [2022-12-14 04:47:26,393 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625951,625964] [2022-12-14 04:47:26,393 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626102,626115] [2022-12-14 04:47:26,394 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626253,626266] [2022-12-14 04:47:26,394 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626401,626414] [2022-12-14 04:47:26,394 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626567,626580] [2022-12-14 04:47:26,394 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626736,626749] [2022-12-14 04:47:26,395 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626903,626916] [2022-12-14 04:47:26,395 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627071,627084] [2022-12-14 04:47:26,395 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627221,627234] [2022-12-14 04:47:26,395 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627368,627381] [2022-12-14 04:47:26,396 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627529,627542] [2022-12-14 04:47:26,396 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627699,627712] [2022-12-14 04:47:26,396 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627861,627874] [2022-12-14 04:47:26,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:47:26,478 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 04:47:26,584 WARN L623 FunctionHandler]: Unknown extern function drm_get_pci_dev [2022-12-14 04:47:26,584 WARN L623 FunctionHandler]: Unknown extern function drm_put_dev [2022-12-14 04:47:26,585 WARN L623 FunctionHandler]: Unknown extern function drm_kms_helper_poll_disable [2022-12-14 04:47:26,585 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 04:47:26,585 WARN L623 FunctionHandler]: Unknown extern function console_lock [2022-12-14 04:47:26,585 WARN L623 FunctionHandler]: Unknown extern function console_unlock [2022-12-14 04:47:26,585 WARN L623 FunctionHandler]: Unknown extern function drm_mode_config_reset [2022-12-14 04:47:26,586 WARN L623 FunctionHandler]: Unknown extern function drm_helper_resume_force_mode [2022-12-14 04:47:26,586 WARN L623 FunctionHandler]: Unknown extern function console_lock [2022-12-14 04:47:26,586 WARN L623 FunctionHandler]: Unknown extern function console_unlock [2022-12-14 04:47:26,586 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 04:47:26,587 WARN L623 FunctionHandler]: Unknown extern function drm_kms_helper_poll_enable [2022-12-14 04:47:26,587 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 04:47:26,587 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 04:47:26,591 WARN L623 FunctionHandler]: Unknown extern function vgacon_text_force [2022-12-14 04:47:26,591 WARN L623 FunctionHandler]: Unknown extern function drm_pci_init [2022-12-14 04:47:26,592 WARN L623 FunctionHandler]: Unknown extern function drm_pci_exit [2022-12-14 04:47:26,620 WARN L623 FunctionHandler]: Unknown extern function drm_gem_dumb_destroy [2022-12-14 04:47:26,621 WARN L623 FunctionHandler]: Unknown extern function drm_compat_ioctl [2022-12-14 04:47:26,621 WARN L623 FunctionHandler]: Unknown extern function drm_poll [2022-12-14 04:47:26,621 WARN L623 FunctionHandler]: Unknown extern function drm_read [2022-12-14 04:47:26,622 WARN L623 FunctionHandler]: Unknown extern function drm_pci_set_busid [2022-12-14 04:47:26,622 WARN L623 FunctionHandler]: Unknown extern function drm_ioctl [2022-12-14 04:47:26,622 WARN L623 FunctionHandler]: Unknown extern function drm_open [2022-12-14 04:47:26,623 WARN L623 FunctionHandler]: Unknown extern function drm_release [2022-12-14 04:47:26,664 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 04:47:26,664 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 04:47:26,666 WARN L623 FunctionHandler]: Unknown extern function __cmpxchg_wrong_size [2022-12-14 04:47:26,667 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 04:47:26,669 WARN L623 FunctionHandler]: Unknown extern function drm_gem_object_free [2022-12-14 04:47:26,670 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 04:47:26,670 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 04:47:26,671 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 04:47:26,671 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 04:47:26,672 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 04:47:26,674 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:47:26,674 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:47:26,675 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:47:26,675 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:47:26,676 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:47:26,676 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:47:26,676 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:47:26,677 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:47:26,677 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:47:26,679 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:47:26,680 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:47:26,680 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:47:26,681 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:47:26,684 WARN L623 FunctionHandler]: Unknown extern function drm_framebuffer_cleanup [2022-12-14 04:47:26,684 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:47:26,685 WARN L623 FunctionHandler]: Unknown extern function drm_helper_mode_fill_fb_struct [2022-12-14 04:47:26,685 WARN L623 FunctionHandler]: Unknown extern function drm_framebuffer_init [2022-12-14 04:47:26,685 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-14 04:47:26,686 WARN L623 FunctionHandler]: Unknown extern function drm_gem_object_lookup [2022-12-14 04:47:26,687 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:47:26,689 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-14 04:47:26,690 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:47:26,690 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-14 04:47:26,691 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 04:47:26,692 WARN L623 FunctionHandler]: Unknown extern function drm_mode_config_init [2022-12-14 04:47:26,693 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:47:26,693 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:47:26,694 WARN L623 FunctionHandler]: Unknown extern function drm_mode_config_cleanup [2022-12-14 04:47:26,694 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 04:47:26,694 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 04:47:26,694 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:47:26,695 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-14 04:47:26,696 WARN L623 FunctionHandler]: Unknown extern function drm_gem_handle_create [2022-12-14 04:47:26,697 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_unref [2022-12-14 04:47:26,698 WARN L623 FunctionHandler]: Unknown extern function drm_gem_object_lookup [2022-12-14 04:47:26,701 WARN L623 FunctionHandler]: Unknown extern function __cmpxchg_wrong_size [2022-12-14 04:47:26,702 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 04:47:26,702 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 04:47:26,703 WARN L623 FunctionHandler]: Unknown extern function __ww_mutex_lock [2022-12-14 04:47:26,704 WARN L623 FunctionHandler]: Unknown extern function __ww_mutex_lock_interruptible [2022-12-14 04:47:26,705 WARN L623 FunctionHandler]: Unknown extern function drm_mode_object_find [2022-12-14 04:47:26,707 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 04:47:26,709 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 04:47:26,710 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_del_sub_from_lru [2022-12-14 04:47:26,710 WARN L623 FunctionHandler]: Unknown extern function ww_mutex_unlock [2022-12-14 04:47:26,711 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_add_to_lru [2022-12-14 04:47:26,712 WARN L623 FunctionHandler]: Unknown extern function drm_gem_object_free [2022-12-14 04:47:26,712 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-14 04:47:26,721 WARN L623 FunctionHandler]: Unknown extern function drm_mode_vrefresh [2022-12-14 04:47:26,750 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_kmap [2022-12-14 04:47:26,751 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-14 04:47:26,756 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-14 04:47:26,758 WARN L623 FunctionHandler]: Unknown extern function drm_crtc_cleanup [2022-12-14 04:47:26,759 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:47:26,759 WARN L623 FunctionHandler]: Unknown extern function drm_crtc_init [2022-12-14 04:47:26,759 WARN L623 FunctionHandler]: Unknown extern function drm_mode_crtc_set_gamma_size [2022-12-14 04:47:26,760 WARN L623 FunctionHandler]: Unknown extern function drm_encoder_cleanup [2022-12-14 04:47:26,760 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:47:26,766 WARN L623 FunctionHandler]: Unknown extern function drm_encoder_init [2022-12-14 04:47:26,775 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:47:26,775 WARN L623 FunctionHandler]: Unknown extern function drm_get_edid [2022-12-14 04:47:26,775 WARN L623 FunctionHandler]: Unknown extern function drm_mode_connector_update_edid_property [2022-12-14 04:47:26,776 WARN L623 FunctionHandler]: Unknown extern function drm_add_edid_modes [2022-12-14 04:47:26,776 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:47:26,788 WARN L623 FunctionHandler]: Unknown extern function drm_mode_connector_update_edid_property [2022-12-14 04:47:26,791 WARN L623 FunctionHandler]: Unknown extern function drm_connector_cleanup [2022-12-14 04:47:26,791 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:47:26,792 WARN L623 FunctionHandler]: Unknown extern function drm_connector_init [2022-12-14 04:47:26,793 WARN L623 FunctionHandler]: Unknown extern function drm_mode_connector_attach_encoder [2022-12-14 04:47:26,793 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-14 04:47:26,794 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_kmap [2022-12-14 04:47:26,795 WARN L623 FunctionHandler]: Unknown extern function drm_ut_debug_printk [2022-12-14 04:47:26,795 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_kunmap [2022-12-14 04:47:26,799 WARN L623 FunctionHandler]: Unknown extern function i2c_bit_add_bus [2022-12-14 04:47:26,800 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-14 04:47:26,800 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:47:26,801 WARN L623 FunctionHandler]: Unknown extern function i2c_del_adapter [2022-12-14 04:47:26,801 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:47:26,806 WARN L623 FunctionHandler]: Unknown extern function drm_gem_object_lookup [2022-12-14 04:47:26,810 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-14 04:47:26,810 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_kmap [2022-12-14 04:47:26,811 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-14 04:47:26,811 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-14 04:47:26,812 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_kunmap [2022-12-14 04:47:26,815 WARN L623 FunctionHandler]: Unknown extern function drm_helper_connector_dpms [2022-12-14 04:47:26,816 WARN L623 FunctionHandler]: Unknown extern function drm_helper_probe_single_connector_modes [2022-12-14 04:47:26,818 WARN L623 FunctionHandler]: Unknown extern function drm_crtc_helper_set_config [2022-12-14 04:47:26,819 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 04:47:26,820 WARN L623 FunctionHandler]: Unknown extern function drm_connector_unregister [2022-12-14 04:47:26,820 WARN L623 FunctionHandler]: Unknown extern function drm_connector_register [2022-12-14 04:47:26,822 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 04:47:26,822 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 04:47:26,823 WARN L623 FunctionHandler]: Unknown extern function __ww_mutex_lock [2022-12-14 04:47:26,824 WARN L623 FunctionHandler]: Unknown extern function __ww_mutex_lock_interruptible [2022-12-14 04:47:26,825 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 04:47:26,825 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 04:47:26,825 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 04:47:26,826 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 04:47:26,826 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-12-14 04:47:26,827 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 04:47:26,828 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 04:47:26,829 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_del_sub_from_lru [2022-12-14 04:47:26,829 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_add_to_lru [2022-12-14 04:47:26,830 WARN L623 FunctionHandler]: Unknown extern function drm_gem_object_free [2022-12-14 04:47:26,831 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-14 04:47:26,833 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_kmap [2022-12-14 04:47:26,833 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-14 04:47:26,834 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_kunmap [2022-12-14 04:47:26,834 WARN L623 FunctionHandler]: Unknown extern function sys_fillrect [2022-12-14 04:47:26,835 WARN L623 FunctionHandler]: Unknown extern function sys_copyarea [2022-12-14 04:47:26,835 WARN L623 FunctionHandler]: Unknown extern function sys_imageblit [2022-12-14 04:47:26,836 WARN L623 FunctionHandler]: Unknown extern function drm_fb_get_bpp_depth [2022-12-14 04:47:26,837 WARN L623 FunctionHandler]: Unknown extern function drm_mode_legacy_fb_format [2022-12-14 04:47:26,838 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-14 04:47:26,838 WARN L623 FunctionHandler]: Unknown extern function framebuffer_alloc [2022-12-14 04:47:26,839 WARN L623 FunctionHandler]: Unknown extern function fb_alloc_cmap [2022-12-14 04:47:26,840 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_fill_fix [2022-12-14 04:47:26,840 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_fill_var [2022-12-14 04:47:26,841 WARN L623 FunctionHandler]: Unknown extern function drm_ut_debug_printk [2022-12-14 04:47:26,843 WARN L623 FunctionHandler]: Unknown extern function unregister_framebuffer [2022-12-14 04:47:26,843 WARN L623 FunctionHandler]: Unknown extern function fb_dealloc_cmap [2022-12-14 04:47:26,843 WARN L623 FunctionHandler]: Unknown extern function framebuffer_release [2022-12-14 04:47:26,844 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_fini [2022-12-14 04:47:26,844 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 04:47:26,844 WARN L623 FunctionHandler]: Unknown extern function drm_framebuffer_cleanup [2022-12-14 04:47:26,849 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 04:47:26,849 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_prepare [2022-12-14 04:47:26,849 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_init [2022-12-14 04:47:26,850 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_single_add_all_connectors [2022-12-14 04:47:26,850 WARN L623 FunctionHandler]: Unknown extern function drm_helper_disable_unused_functions [2022-12-14 04:47:26,850 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_initial_config [2022-12-14 04:47:26,850 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_fini [2022-12-14 04:47:26,850 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:47:26,855 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:47:26,860 WARN L623 FunctionHandler]: Unknown extern function fb_set_suspend [2022-12-14 04:47:26,863 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_blank [2022-12-14 04:47:26,863 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_check_var [2022-12-14 04:47:26,864 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_debug_enter [2022-12-14 04:47:26,864 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_debug_leave [2022-12-14 04:47:26,864 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_pan_display [2022-12-14 04:47:26,865 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_set_par [2022-12-14 04:47:26,865 WARN L623 FunctionHandler]: Unknown extern function drm_fb_helper_setcmap [2022-12-14 04:47:26,865 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 04:47:26,866 WARN L623 FunctionHandler]: Unknown extern function drm_framebuffer_unregister_private [2022-12-14 04:47:26,866 WARN L623 FunctionHandler]: Unknown extern function drm_vma_node_is_allowed [2022-12-14 04:47:26,867 WARN L623 FunctionHandler]: Unknown extern function ttm_mem_global_init [2022-12-14 04:47:26,868 WARN L623 FunctionHandler]: Unknown extern function ttm_mem_global_release [2022-12-14 04:47:26,868 WARN L623 FunctionHandler]: Unknown extern function drm_global_item_ref [2022-12-14 04:47:26,869 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-14 04:47:26,869 WARN L623 FunctionHandler]: Unknown extern function drm_global_item_ref [2022-12-14 04:47:26,869 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-14 04:47:26,870 WARN L623 FunctionHandler]: Unknown extern function drm_global_item_unref [2022-12-14 04:47:26,870 WARN L623 FunctionHandler]: Unknown extern function drm_global_item_unref [2022-12-14 04:47:26,870 WARN L623 FunctionHandler]: Unknown extern function drm_global_item_unref [2022-12-14 04:47:26,871 WARN L623 FunctionHandler]: Unknown extern function drm_gem_object_release [2022-12-14 04:47:26,871 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:47:26,872 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-14 04:47:26,874 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_move_memcpy [2022-12-14 04:47:26,875 WARN L623 FunctionHandler]: Unknown extern function ttm_tt_fini [2022-12-14 04:47:26,875 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:47:26,875 WARN L623 FunctionHandler]: Unknown extern function ttm_tt_init [2022-12-14 04:47:26,876 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:47:26,876 WARN L623 FunctionHandler]: Unknown extern function ttm_pool_populate [2022-12-14 04:47:26,876 WARN L623 FunctionHandler]: Unknown extern function ttm_pool_unpopulate [2022-12-14 04:47:26,877 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_device_init [2022-12-14 04:47:26,877 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-14 04:47:26,878 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_init_mm [2022-12-14 04:47:26,878 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-14 04:47:26,878 WARN L623 FunctionHandler]: Unknown extern function arch_phys_wc_add [2022-12-14 04:47:26,879 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_device_release [2022-12-14 04:47:26,879 WARN L623 FunctionHandler]: Unknown extern function arch_phys_wc_del [2022-12-14 04:47:26,881 WARN L623 FunctionHandler]: Unknown extern function drm_gem_object_init [2022-12-14 04:47:26,881 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 04:47:26,884 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_dma_acc_size [2022-12-14 04:47:26,884 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_init [2022-12-14 04:47:26,886 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_validate [2022-12-14 04:47:26,886 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-14 04:47:26,887 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_validate [2022-12-14 04:47:26,887 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-14 04:47:26,888 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_kunmap [2022-12-14 04:47:26,888 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_validate [2022-12-14 04:47:26,889 WARN L623 FunctionHandler]: Unknown extern function drm_err [2022-12-14 04:47:26,889 WARN L623 FunctionHandler]: Unknown extern function ttm_bo_mmap [2022-12-14 04:47:26,891 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_dword [2022-12-14 04:47:26,892 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_dword [2022-12-14 04:47:26,903 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-14 04:47:26,930 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:47:26,931 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:47:26,931 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:47:26,932 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:47:26,933 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:47:26,933 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:47:26,942 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:47:26,942 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:47:26,944 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:47:26,944 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:47:26,945 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:47:26,948 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-12-14 04:47:26,949 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:47:26,950 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 04:47:26,968 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 04:47:26,981 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 04:47:26,986 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 04:47:27,002 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[614473,614486] [2022-12-14 04:47:27,003 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[614618,614631] [2022-12-14 04:47:27,003 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[614764,614777] [2022-12-14 04:47:27,003 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[614929,614942] [2022-12-14 04:47:27,004 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615087,615100] [2022-12-14 04:47:27,004 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615245,615258] [2022-12-14 04:47:27,004 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615403,615416] [2022-12-14 04:47:27,004 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615563,615576] [2022-12-14 04:47:27,005 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615722,615735] [2022-12-14 04:47:27,005 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615861,615874] [2022-12-14 04:47:27,005 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616003,616016] [2022-12-14 04:47:27,005 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616152,616165] [2022-12-14 04:47:27,006 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616291,616304] [2022-12-14 04:47:27,006 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616446,616459] [2022-12-14 04:47:27,006 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616606,616619] [2022-12-14 04:47:27,006 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616757,616770] [2022-12-14 04:47:27,007 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616908,616921] [2022-12-14 04:47:27,007 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617060,617073] [2022-12-14 04:47:27,007 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617209,617222] [2022-12-14 04:47:27,007 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617357,617370] [2022-12-14 04:47:27,008 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617514,617527] [2022-12-14 04:47:27,008 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617663,617676] [2022-12-14 04:47:27,008 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617819,617832] [2022-12-14 04:47:27,008 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617972,617985] [2022-12-14 04:47:27,009 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618118,618131] [2022-12-14 04:47:27,009 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618261,618274] [2022-12-14 04:47:27,009 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618413,618426] [2022-12-14 04:47:27,009 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618559,618572] [2022-12-14 04:47:27,010 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618704,618717] [2022-12-14 04:47:27,010 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618858,618871] [2022-12-14 04:47:27,010 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619009,619022] [2022-12-14 04:47:27,010 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619164,619177] [2022-12-14 04:47:27,010 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619316,619329] [2022-12-14 04:47:27,011 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619471,619484] [2022-12-14 04:47:27,011 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619635,619648] [2022-12-14 04:47:27,011 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619791,619804] [2022-12-14 04:47:27,011 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619955,619968] [2022-12-14 04:47:27,012 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620097,620110] [2022-12-14 04:47:27,012 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620255,620268] [2022-12-14 04:47:27,012 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620422,620435] [2022-12-14 04:47:27,012 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620581,620594] [2022-12-14 04:47:27,013 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620740,620753] [2022-12-14 04:47:27,013 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620889,620902] [2022-12-14 04:47:27,013 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621036,621049] [2022-12-14 04:47:27,013 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621175,621188] [2022-12-14 04:47:27,014 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621338,621351] [2022-12-14 04:47:27,014 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621504,621517] [2022-12-14 04:47:27,014 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621668,621681] [2022-12-14 04:47:27,014 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621833,621846] [2022-12-14 04:47:27,015 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621998,622011] [2022-12-14 04:47:27,015 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622164,622177] [2022-12-14 04:47:27,015 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622329,622342] [2022-12-14 04:47:27,015 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622496,622509] [2022-12-14 04:47:27,016 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622656,622669] [2022-12-14 04:47:27,016 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622818,622831] [2022-12-14 04:47:27,016 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622977,622990] [2022-12-14 04:47:27,016 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623123,623136] [2022-12-14 04:47:27,017 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623266,623279] [2022-12-14 04:47:27,017 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623410,623423] [2022-12-14 04:47:27,017 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623553,623566] [2022-12-14 04:47:27,017 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623697,623710] [2022-12-14 04:47:27,018 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623838,623851] [2022-12-14 04:47:27,018 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623976,623989] [2022-12-14 04:47:27,018 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624134,624147] [2022-12-14 04:47:27,018 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624293,624306] [2022-12-14 04:47:27,019 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624449,624462] [2022-12-14 04:47:27,019 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624598,624611] [2022-12-14 04:47:27,019 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624750,624763] [2022-12-14 04:47:27,020 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624901,624914] [2022-12-14 04:47:27,020 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625050,625063] [2022-12-14 04:47:27,020 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625202,625215] [2022-12-14 04:47:27,020 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625350,625363] [2022-12-14 04:47:27,021 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625503,625516] [2022-12-14 04:47:27,021 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625654,625667] [2022-12-14 04:47:27,021 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625804,625817] [2022-12-14 04:47:27,021 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625951,625964] [2022-12-14 04:47:27,022 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626102,626115] [2022-12-14 04:47:27,022 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626253,626266] [2022-12-14 04:47:27,022 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626401,626414] [2022-12-14 04:47:27,023 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626567,626580] [2022-12-14 04:47:27,023 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626736,626749] [2022-12-14 04:47:27,023 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626903,626916] [2022-12-14 04:47:27,023 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627071,627084] [2022-12-14 04:47:27,024 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627221,627234] [2022-12-14 04:47:27,024 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627368,627381] [2022-12-14 04:47:27,024 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627529,627542] [2022-12-14 04:47:27,024 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627699,627712] [2022-12-14 04:47:27,025 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_e6d49004-766e-4779-b157-c4cdfa2fc2e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627861,627874] [2022-12-14 04:47:27,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:47:27,424 INFO L208 MainTranslator]: Completed translation [2022-12-14 04:47:27,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:27 WrapperNode [2022-12-14 04:47:27,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 04:47:27,425 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 04:47:27,425 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 04:47:27,425 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 04:47:27,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:27" (1/1) ... [2022-12-14 04:47:27,525 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:27" (1/1) ... [2022-12-14 04:47:27,812 INFO L138 Inliner]: procedures = 962, calls = 5080, calls flagged for inlining = 555, calls inlined = 474, statements flattened = 13224 [2022-12-14 04:47:27,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 04:47:27,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 04:47:27,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 04:47:27,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 04:47:27,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:27" (1/1) ... [2022-12-14 04:47:27,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:27" (1/1) ... [2022-12-14 04:47:27,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:27" (1/1) ... [2022-12-14 04:47:27,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:27" (1/1) ... [2022-12-14 04:47:28,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:27" (1/1) ... [2022-12-14 04:47:28,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:27" (1/1) ... [2022-12-14 04:47:28,151 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:27" (1/1) ... [2022-12-14 04:47:28,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:27" (1/1) ... [2022-12-14 04:47:28,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 04:47:28,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 04:47:28,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 04:47:28,221 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 04:47:28,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:27" (1/1) ... [2022-12-14 04:47:28,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:47:28,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:47:28,247 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 04:47:28,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 04:47:28,281 INFO L130 BoogieDeclarations]: Found specification of procedure wait_ack [2022-12-14 04:47:28,281 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_ack [2022-12-14 04:47:28,281 INFO L130 BoogieDeclarations]: Found specification of procedure clear_cmd_trigger [2022-12-14 04:47:28,281 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_cmd_trigger [2022-12-14 04:47:28,282 INFO L130 BoogieDeclarations]: Found specification of procedure ast_init_dvo [2022-12-14 04:47:28,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_init_dvo [2022-12-14 04:47:28,282 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_unreserve___0 [2022-12-14 04:47:28,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_unreserve___0 [2022-12-14 04:47:28,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-12-14 04:47:28,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-12-14 04:47:28,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 04:47:28,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 04:47:28,282 INFO L130 BoogieDeclarations]: Found specification of procedure __ww_mutex_lock [2022-12-14 04:47:28,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __ww_mutex_lock [2022-12-14 04:47:28,282 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_tt_populate [2022-12-14 04:47:28,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_tt_populate [2022-12-14 04:47:28,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_base_of_ww_mutex [2022-12-14 04:47:28,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_base_of_ww_mutex [2022-12-14 04:47:28,282 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_pin [2022-12-14 04:47:28,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_pin [2022-12-14 04:47:28,283 INFO L130 BoogieDeclarations]: Found specification of procedure ast_read32 [2022-12-14 04:47:28,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_read32 [2022-12-14 04:47:28,283 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-12-14 04:47:28,283 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-12-14 04:47:28,283 INFO L130 BoogieDeclarations]: Found specification of procedure ast_drm_thaw [2022-12-14 04:47:28,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_drm_thaw [2022-12-14 04:47:28,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_109 [2022-12-14 04:47:28,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_109 [2022-12-14 04:47:28,283 INFO L130 BoogieDeclarations]: Found specification of procedure ast_dirty_update [2022-12-14 04:47:28,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_dirty_update [2022-12-14 04:47:28,283 INFO L130 BoogieDeclarations]: Found specification of procedure ast_enable_vga [2022-12-14 04:47:28,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_enable_vga [2022-12-14 04:47:28,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-12-14 04:47:28,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-12-14 04:47:28,284 INFO L130 BoogieDeclarations]: Found specification of procedure ast_get_modes [2022-12-14 04:47:28,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_get_modes [2022-12-14 04:47:28,284 INFO L130 BoogieDeclarations]: Found specification of procedure drm_fb_helper_fini [2022-12-14 04:47:28,284 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_fb_helper_fini [2022-12-14 04:47:28,284 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kmap [2022-12-14 04:47:28,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kmap [2022-12-14 04:47:28,284 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_del_sub_from_lru [2022-12-14 04:47:28,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_del_sub_from_lru [2022-12-14 04:47:28,284 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_placement [2022-12-14 04:47:28,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_placement [2022-12-14 04:47:28,284 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_unless___0 [2022-12-14 04:47:28,284 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_unless___0 [2022-12-14 04:47:28,284 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pm_poweroff [2022-12-14 04:47:28,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pm_poweroff [2022-12-14 04:47:28,285 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kunmap [2022-12-14 04:47:28,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kunmap [2022-12-14 04:47:28,285 INFO L130 BoogieDeclarations]: Found specification of procedure ast_user_framebuffer_destroy [2022-12-14 04:47:28,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_user_framebuffer_destroy [2022-12-14 04:47:28,285 INFO L130 BoogieDeclarations]: Found specification of procedure send_ack [2022-12-14 04:47:28,285 INFO L138 BoogieDeclarations]: Found implementation of procedure send_ack [2022-12-14 04:47:28,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 04:47:28,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 04:47:28,285 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_disable [2022-12-14 04:47:28,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_disable [2022-12-14 04:47:28,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-12-14 04:47:28,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-12-14 04:47:28,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 04:47:28,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-12-14 04:47:28,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-12-14 04:47:28,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-14 04:47:28,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-14 04:47:28,286 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_mode_set_base [2022-12-14 04:47:28,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_mode_set_base [2022-12-14 04:47:28,286 INFO L130 BoogieDeclarations]: Found specification of procedure ast_io_read8 [2022-12-14 04:47:28,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_io_read8 [2022-12-14 04:47:28,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-12-14 04:47:28,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-12-14 04:47:28,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2022-12-14 04:47:28,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2022-12-14 04:47:28,286 INFO L130 BoogieDeclarations]: Found specification of procedure drm_fb_helper_debug_enter [2022-12-14 04:47:28,286 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_fb_helper_debug_enter [2022-12-14 04:47:28,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 04:47:28,286 INFO L130 BoogieDeclarations]: Found specification of procedure ast_post_gpu [2022-12-14 04:47:28,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_post_gpu [2022-12-14 04:47:28,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2022-12-14 04:47:28,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2022-12-14 04:47:28,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 04:47:28,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 04:47:28,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 04:47:28,287 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-14 04:47:28,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-14 04:47:28,287 INFO L130 BoogieDeclarations]: Found specification of procedure ast_fbdev_set_suspend [2022-12-14 04:47:28,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_fbdev_set_suspend [2022-12-14 04:47:28,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 04:47:28,287 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 04:47:28,287 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_add_to_lru [2022-12-14 04:47:28,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_add_to_lru [2022-12-14 04:47:28,287 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_burst2 [2022-12-14 04:47:28,288 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_burst2 [2022-12-14 04:47:28,288 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-14 04:47:28,288 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-14 04:47:28,288 INFO L130 BoogieDeclarations]: Found specification of procedure drm_read [2022-12-14 04:47:28,288 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_read [2022-12-14 04:47:28,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 04:47:28,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 04:47:28,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 04:47:28,288 INFO L130 BoogieDeclarations]: Found specification of procedure drm_fb_helper_debug_leave [2022-12-14 04:47:28,288 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_fb_helper_debug_leave [2022-12-14 04:47:28,288 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-12-14 04:47:28,288 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_prepare [2022-12-14 04:47:28,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_prepare [2022-12-14 04:47:28,288 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_prepare [2022-12-14 04:47:28,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_prepare [2022-12-14 04:47:28,289 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_reserve [2022-12-14 04:47:28,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_reserve [2022-12-14 04:47:28,289 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_unreference_unlocked [2022-12-14 04:47:28,289 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_unreference_unlocked [2022-12-14 04:47:28,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-12-14 04:47:28,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-12-14 04:47:28,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-12-14 04:47:28,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-12-14 04:47:28,289 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-12-14 04:47:28,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-12-14 04:47:28,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-12-14 04:47:28,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-12-14 04:47:28,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 04:47:28,289 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_free [2022-12-14 04:47:28,290 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_free [2022-12-14 04:47:28,290 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pm_thaw [2022-12-14 04:47:28,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pm_thaw [2022-12-14 04:47:28,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-12-14 04:47:28,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-12-14 04:47:28,290 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_release [2022-12-14 04:47:28,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_113 [2022-12-14 04:47:28,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_113 [2022-12-14 04:47:28,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 04:47:28,290 INFO L130 BoogieDeclarations]: Found specification of procedure ast_connector_destroy [2022-12-14 04:47:28,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_connector_destroy [2022-12-14 04:47:28,290 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_commit [2022-12-14 04:47:28,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_commit [2022-12-14 04:47:28,290 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-14 04:47:28,290 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-14 04:47:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_kmap_obj_virtual [2022-12-14 04:47:28,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_kmap_obj_virtual [2022-12-14 04:47:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-14 04:47:28,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-14 04:47:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure ast_write32 [2022-12-14 04:47:28,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_write32 [2022-12-14 04:47:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_unreference_unlocked___0 [2022-12-14 04:47:28,291 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_unreference_unlocked___0 [2022-12-14 04:47:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure __ttm_bo_unreserve [2022-12-14 04:47:28,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __ttm_bo_unreserve [2022-12-14 04:47:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-12-14 04:47:28,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-12-14 04:47:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-12-14 04:47:28,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-12-14 04:47:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo [2022-12-14 04:47:28,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo [2022-12-14 04:47:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-12-14 04:47:28,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-12-14 04:47:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_base_of_ww_mutex [2022-12-14 04:47:28,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_base_of_ww_mutex [2022-12-14 04:47:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 04:47:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure ast_moutdwm [2022-12-14 04:47:28,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_moutdwm [2022-12-14 04:47:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 04:47:28,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 04:47:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pm_suspend [2022-12-14 04:47:28,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pm_suspend [2022-12-14 04:47:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_108 [2022-12-14 04:47:28,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_108 [2022-12-14 04:47:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_ref [2022-12-14 04:47:28,293 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_ref [2022-12-14 04:47:28,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-12-14 04:47:28,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-12-14 04:47:28,293 INFO L130 BoogieDeclarations]: Found specification of procedure wait_nack [2022-12-14 04:47:28,293 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_nack [2022-12-14 04:47:28,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 04:47:28,293 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 04:47:28,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 04:47:28,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 04:47:28,293 INFO L130 BoogieDeclarations]: Found specification of procedure ast_drm_freeze [2022-12-14 04:47:28,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_drm_freeze [2022-12-14 04:47:28,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-12-14 04:47:28,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-12-14 04:47:28,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-12-14 04:47:28,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-12-14 04:47:28,294 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_dp501_video_output [2022-12-14 04:47:28,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_dp501_video_output [2022-12-14 04:47:28,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 04:47:28,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 04:47:28,294 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-12-14 04:47:28,294 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-12-14 04:47:28,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 04:47:28,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 04:47:28,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-12-14 04:47:28,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-12-14 04:47:28,294 INFO L130 BoogieDeclarations]: Found specification of procedure cbr_dll2 [2022-12-14 04:47:28,294 INFO L138 BoogieDeclarations]: Found implementation of procedure cbr_dll2 [2022-12-14 04:47:28,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2022-12-14 04:47:28,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2022-12-14 04:47:28,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 04:47:28,295 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_index_reg_mask [2022-12-14 04:47:28,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_index_reg_mask [2022-12-14 04:47:28,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_trylock_base_of_ww_mutex [2022-12-14 04:47:28,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_trylock_base_of_ww_mutex [2022-12-14 04:47:28,295 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_load_lut [2022-12-14 04:47:28,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_load_lut [2022-12-14 04:47:28,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 04:47:28,295 INFO L130 BoogieDeclarations]: Found specification of procedure ast_mindwm [2022-12-14 04:47:28,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_mindwm [2022-12-14 04:47:28,295 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_unref [2022-12-14 04:47:28,295 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_unref [2022-12-14 04:47:28,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 04:47:28,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-12-14 04:47:28,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-12-14 04:47:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-12-14 04:47:28,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-12-14 04:47:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-12-14 04:47:28,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-12-14 04:47:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-14 04:47:28,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-14 04:47:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-12-14 04:47:28,296 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-12-14 04:47:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-12-14 04:47:28,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-12-14 04:47:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure get_fw_base [2022-12-14 04:47:28,296 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fw_base [2022-12-14 04:47:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 04:47:28,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 04:47:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-14 04:47:28,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-14 04:47:28,297 INFO L130 BoogieDeclarations]: Found specification of procedure ast_framebuffer_init [2022-12-14 04:47:28,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_framebuffer_init [2022-12-14 04:47:28,297 INFO L130 BoogieDeclarations]: Found specification of procedure ast_open_key [2022-12-14 04:47:28,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_open_key [2022-12-14 04:47:28,297 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_validate [2022-12-14 04:47:28,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_validate [2022-12-14 04:47:28,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-12-14 04:47:28,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-12-14 04:47:28,297 INFO L130 BoogieDeclarations]: Found specification of procedure ast_driver_unload [2022-12-14 04:47:28,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_driver_unload [2022-12-14 04:47:28,297 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_unreserve [2022-12-14 04:47:28,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_unreserve [2022-12-14 04:47:28,297 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-12-14 04:47:28,297 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-12-14 04:47:28,298 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-12-14 04:47:28,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 04:47:28,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 04:47:28,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 04:47:28,298 INFO L130 BoogieDeclarations]: Found specification of procedure send_nack [2022-12-14 04:47:28,298 INFO L138 BoogieDeclarations]: Found implementation of procedure send_nack [2022-12-14 04:47:28,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 04:47:28,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 04:47:28,298 INFO L130 BoogieDeclarations]: Found specification of procedure ast_enable_mmio [2022-12-14 04:47:28,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_enable_mmio [2022-12-14 04:47:28,298 INFO L130 BoogieDeclarations]: Found specification of procedure ast_get_index_reg_mask [2022-12-14 04:47:28,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_get_index_reg_mask [2022-12-14 04:47:28,298 INFO L130 BoogieDeclarations]: Found specification of procedure ast_gem_create [2022-12-14 04:47:28,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_gem_create [2022-12-14 04:47:28,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_struct_mutex_of_drm_device [2022-12-14 04:47:28,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_struct_mutex_of_drm_device [2022-12-14 04:47:28,299 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-12-14 04:47:28,299 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-12-14 04:47:28,299 INFO L130 BoogieDeclarations]: Found specification of procedure drm_fb_helper_set_par [2022-12-14 04:47:28,299 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_fb_helper_set_par [2022-12-14 04:47:28,299 INFO L130 BoogieDeclarations]: Found specification of procedure __ww_mutex_lock_interruptible [2022-12-14 04:47:28,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __ww_mutex_lock_interruptible [2022-12-14 04:47:28,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 04:47:28,299 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-12-14 04:47:28,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-12-14 04:47:28,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-12-14 04:47:28,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-12-14 04:47:28,299 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pm_resume [2022-12-14 04:47:28,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pm_resume [2022-12-14 04:47:28,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-12-14 04:47:28,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-12-14 04:47:28,300 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_init [2022-12-14 04:47:28,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 04:47:28,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 04:47:28,300 INFO L130 BoogieDeclarations]: Found specification of procedure ast_io_write8 [2022-12-14 04:47:28,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_io_write8 [2022-12-14 04:47:28,300 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_destroy [2022-12-14 04:47:28,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_destroy [2022-12-14 04:47:28,300 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_gpu_offset [2022-12-14 04:47:28,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_gpu_offset [2022-12-14 04:47:28,300 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_reset [2022-12-14 04:47:28,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_reset [2022-12-14 04:47:28,300 INFO L130 BoogieDeclarations]: Found specification of procedure ast_gem_free_object [2022-12-14 04:47:28,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_gem_free_object [2022-12-14 04:47:28,301 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_backend_destroy [2022-12-14 04:47:28,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_backend_destroy [2022-12-14 04:47:28,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-12-14 04:47:28,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-12-14 04:47:28,301 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pci_remove [2022-12-14 04:47:28,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pci_remove [2022-12-14 04:47:28,301 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_single2 [2022-12-14 04:47:28,301 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_single2 [2022-12-14 04:47:28,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-12-14 04:47:28,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-12-14 04:47:28,301 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 04:47:28,301 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 04:47:28,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-12-14 04:47:28,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-12-14 04:47:28,302 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_index_reg [2022-12-14 04:47:28,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_index_reg [2022-12-14 04:47:28,302 INFO L130 BoogieDeclarations]: Found specification of procedure cbrdlli_ast2150 [2022-12-14 04:47:28,302 INFO L138 BoogieDeclarations]: Found implementation of procedure cbrdlli_ast2150 [2022-12-14 04:47:28,302 INFO L130 BoogieDeclarations]: Found specification of procedure drm_framebuffer_cleanup [2022-12-14 04:47:28,302 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_framebuffer_cleanup [2022-12-14 04:47:28,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-12-14 04:47:28,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-12-14 04:47:28,302 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_commit [2022-12-14 04:47:28,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_commit [2022-12-14 04:47:28,302 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pm_freeze [2022-12-14 04:47:28,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pm_freeze [2022-12-14 04:47:28,302 INFO L130 BoogieDeclarations]: Found specification of procedure drm_crtc_helper_set_config [2022-12-14 04:47:28,302 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_crtc_helper_set_config [2022-12-14 04:47:28,302 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2022-12-14 04:47:28,302 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2022-12-14 04:47:28,303 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2022-12-14 04:47:28,303 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2022-12-14 04:47:28,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 04:47:28,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 04:47:28,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-12-14 04:47:28,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-12-14 04:47:28,303 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mode_connector_update_edid_property [2022-12-14 04:47:28,303 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mode_connector_update_edid_property [2022-12-14 04:47:28,303 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-12-14 04:47:28,303 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-12-14 04:47:28,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_struct_mutex_of_drm_device [2022-12-14 04:47:28,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_struct_mutex_of_drm_device [2022-12-14 04:47:28,303 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_tt_unpopulate [2022-12-14 04:47:28,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_tt_unpopulate [2022-12-14 04:47:28,304 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_lookup [2022-12-14 04:47:28,304 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_lookup [2022-12-14 04:47:28,304 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_destroy [2022-12-14 04:47:28,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_destroy [2022-12-14 04:47:28,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 04:47:29,222 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 04:47:29,226 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 04:47:29,391 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 04:47:43,173 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 04:47:45,131 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 04:47:45,131 INFO L300 CfgBuilder]: Removed 10 assume(true) statements. [2022-12-14 04:47:45,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:47:45 BoogieIcfgContainer [2022-12-14 04:47:45,138 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 04:47:45,141 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 04:47:45,141 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 04:47:45,143 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 04:47:45,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:47:20" (1/3) ... [2022-12-14 04:47:45,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37a3aacb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:47:45, skipping insertion in model container [2022-12-14 04:47:45,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:27" (2/3) ... [2022-12-14 04:47:45,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37a3aacb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:47:45, skipping insertion in model container [2022-12-14 04:47:45,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:47:45" (3/3) ... [2022-12-14 04:47:45,145 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i [2022-12-14 04:47:45,160 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 04:47:45,160 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-12-14 04:47:45,230 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 04:47:45,234 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;@2893b276, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 04:47:45,234 INFO L358 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2022-12-14 04:47:45,244 INFO L276 IsEmpty]: Start isEmpty. Operand has 2877 states, 1676 states have (on average 1.3794749403341289) internal successors, (2312), 1808 states have internal predecessors, (2312), 1013 states have call successors, (1013), 156 states have call predecessors, (1013), 155 states have return successors, (999), 958 states have call predecessors, (999), 999 states have call successors, (999) [2022-12-14 04:47:45,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 04:47:45,249 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:47:45,250 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:47:45,250 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-12-14 04:47:45,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:47:45,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1049868719, now seen corresponding path program 1 times [2022-12-14 04:47:45,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:47:45,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319969478] [2022-12-14 04:47:45,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:47:45,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:47:45,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:47:46,372 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 04:47:46,373 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:47:46,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319969478] [2022-12-14 04:47:46,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319969478] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:47:46,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:47:46,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 04:47:46,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877136497] [2022-12-14 04:47:46,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:47:46,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:47:46,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:47:46,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:47:46,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:47:46,405 INFO L87 Difference]: Start difference. First operand has 2877 states, 1676 states have (on average 1.3794749403341289) internal successors, (2312), 1808 states have internal predecessors, (2312), 1013 states have call successors, (1013), 156 states have call predecessors, (1013), 155 states have return successors, (999), 958 states have call predecessors, (999), 999 states have call successors, (999) Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 04:47:49,218 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 [] [2022-12-14 04:47:52,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:47:52,387 INFO L93 Difference]: Finished difference Result 6788 states and 10262 transitions. [2022-12-14 04:47:52,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 04:47:52,389 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 36 [2022-12-14 04:47:52,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:47:52,425 INFO L225 Difference]: With dead ends: 6788 [2022-12-14 04:47:52,425 INFO L226 Difference]: Without dead ends: 3903 [2022-12-14 04:47:52,444 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 [2022-12-14 04:47:52,446 INFO L413 NwaCegarLoop]: 4170 mSDtfsCounter, 4238 mSDsluCounter, 5404 mSDsCounter, 0 mSdLazyCounter, 1311 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4240 SdHoareTripleChecker+Valid, 9574 SdHoareTripleChecker+Invalid, 1313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1311 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-12-14 04:47:52,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4240 Valid, 9574 Invalid, 1313 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1311 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2022-12-14 04:47:52,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3903 states. [2022-12-14 04:47:52,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3903 to 3837. [2022-12-14 04:47:52,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3837 states, 2243 states have (on average 1.3410610789121713) internal successors, (3008), 2382 states have internal predecessors, (3008), 1306 states have call successors, (1306), 257 states have call predecessors, (1306), 256 states have return successors, (1304), 1256 states have call predecessors, (1304), 1304 states have call successors, (1304) [2022-12-14 04:47:52,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3837 states to 3837 states and 5618 transitions. [2022-12-14 04:47:52,744 INFO L78 Accepts]: Start accepts. Automaton has 3837 states and 5618 transitions. Word has length 36 [2022-12-14 04:47:52,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:47:52,745 INFO L495 AbstractCegarLoop]: Abstraction has 3837 states and 5618 transitions. [2022-12-14 04:47:52,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 04:47:52,745 INFO L276 IsEmpty]: Start isEmpty. Operand 3837 states and 5618 transitions. [2022-12-14 04:47:52,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 04:47:52,747 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:47:52,747 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:47:52,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 04:47:52,747 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-12-14 04:47:52,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:47:52,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1600424351, now seen corresponding path program 1 times [2022-12-14 04:47:52,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:47:52,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759534256] [2022-12-14 04:47:52,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:47:52,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:47:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:47:53,311 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 04:47:53,312 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:47:53,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759534256] [2022-12-14 04:47:53,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759534256] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:47:53,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:47:53,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 04:47:53,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881637547] [2022-12-14 04:47:53,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:47:53,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:47:53,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:47:53,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:47:53,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:47:53,315 INFO L87 Difference]: Start difference. First operand 3837 states and 5618 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-14 04:47:56,091 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 [] [2022-12-14 04:47:59,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:47:59,641 INFO L93 Difference]: Finished difference Result 3903 states and 5657 transitions. [2022-12-14 04:47:59,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 04:47:59,642 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 41 [2022-12-14 04:47:59,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:47:59,657 INFO L225 Difference]: With dead ends: 3903 [2022-12-14 04:47:59,657 INFO L226 Difference]: Without dead ends: 3901 [2022-12-14 04:47:59,659 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 [2022-12-14 04:47:59,659 INFO L413 NwaCegarLoop]: 4135 mSDtfsCounter, 4200 mSDsluCounter, 5352 mSDsCounter, 0 mSdLazyCounter, 1308 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4202 SdHoareTripleChecker+Valid, 9487 SdHoareTripleChecker+Invalid, 1310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1308 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-12-14 04:47:59,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4202 Valid, 9487 Invalid, 1310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1308 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2022-12-14 04:47:59,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3901 states. [2022-12-14 04:47:59,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3901 to 3837. [2022-12-14 04:47:59,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3837 states, 2243 states have (on average 1.340615247436469) internal successors, (3007), 2382 states have internal predecessors, (3007), 1306 states have call successors, (1306), 257 states have call predecessors, (1306), 256 states have return successors, (1304), 1256 states have call predecessors, (1304), 1304 states have call successors, (1304) [2022-12-14 04:47:59,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3837 states to 3837 states and 5617 transitions. [2022-12-14 04:47:59,812 INFO L78 Accepts]: Start accepts. Automaton has 3837 states and 5617 transitions. Word has length 41 [2022-12-14 04:47:59,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:47:59,812 INFO L495 AbstractCegarLoop]: Abstraction has 3837 states and 5617 transitions. [2022-12-14 04:47:59,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-14 04:47:59,812 INFO L276 IsEmpty]: Start isEmpty. Operand 3837 states and 5617 transitions. [2022-12-14 04:47:59,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 04:47:59,813 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:47:59,813 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:47:59,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 04:47:59,813 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-12-14 04:47:59,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:47:59,814 INFO L85 PathProgramCache]: Analyzing trace with hash 2078572081, now seen corresponding path program 1 times [2022-12-14 04:47:59,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:47:59,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941107412] [2022-12-14 04:47:59,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:47:59,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:47:59,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:48:00,342 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 04:48:00,342 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:48:00,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941107412] [2022-12-14 04:48:00,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941107412] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:48:00,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:48:00,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 04:48:00,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962457360] [2022-12-14 04:48:00,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:48:00,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:48:00,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:48:00,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:48:00,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:48:00,344 INFO L87 Difference]: Start difference. First operand 3837 states and 5617 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2022-12-14 04:48:02,091 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 [] [2022-12-14 04:48:04,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:48:04,655 INFO L93 Difference]: Finished difference Result 3837 states and 5617 transitions. [2022-12-14 04:48:04,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 04:48:04,656 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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 46 [2022-12-14 04:48:04,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:48:04,671 INFO L225 Difference]: With dead ends: 3837 [2022-12-14 04:48:04,671 INFO L226 Difference]: Without dead ends: 3835 [2022-12-14 04:48:04,673 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 [2022-12-14 04:48:04,674 INFO L413 NwaCegarLoop]: 3735 mSDtfsCounter, 4236 mSDsluCounter, 3735 mSDsCounter, 0 mSdLazyCounter, 1031 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4238 SdHoareTripleChecker+Valid, 7470 SdHoareTripleChecker+Invalid, 1031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1031 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-12-14 04:48:04,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4238 Valid, 7470 Invalid, 1031 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1031 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-12-14 04:48:04,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3835 states. [2022-12-14 04:48:04,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3835 to 3835. [2022-12-14 04:48:04,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3835 states, 2242 states have (on average 1.3398751115075824) internal successors, (3004), 2380 states have internal predecessors, (3004), 1306 states have call successors, (1306), 257 states have call predecessors, (1306), 256 states have return successors, (1304), 1256 states have call predecessors, (1304), 1304 states have call successors, (1304) [2022-12-14 04:48:04,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3835 states to 3835 states and 5614 transitions. [2022-12-14 04:48:04,848 INFO L78 Accepts]: Start accepts. Automaton has 3835 states and 5614 transitions. Word has length 46 [2022-12-14 04:48:04,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:48:04,848 INFO L495 AbstractCegarLoop]: Abstraction has 3835 states and 5614 transitions. [2022-12-14 04:48:04,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2022-12-14 04:48:04,849 INFO L276 IsEmpty]: Start isEmpty. Operand 3835 states and 5614 transitions. [2022-12-14 04:48:04,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-14 04:48:04,850 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:48:04,850 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:48:04,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 04:48:04,850 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-12-14 04:48:04,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:48:04,851 INFO L85 PathProgramCache]: Analyzing trace with hash 2099550412, now seen corresponding path program 1 times [2022-12-14 04:48:04,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:48:04,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928687263] [2022-12-14 04:48:04,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:48:04,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:48:04,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:48:05,334 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 04:48:05,334 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:48:05,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928687263] [2022-12-14 04:48:05,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928687263] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:48:05,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:48:05,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 04:48:05,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652279676] [2022-12-14 04:48:05,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:48:05,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:48:05,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:48:05,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:48:05,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:48:05,336 INFO L87 Difference]: Start difference. First operand 3835 states and 5614 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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) [2022-12-14 04:48:09,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:48:09,952 INFO L93 Difference]: Finished difference Result 3835 states and 5614 transitions. [2022-12-14 04:48:09,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 04:48:09,952 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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 51 [2022-12-14 04:48:09,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:48:09,967 INFO L225 Difference]: With dead ends: 3835 [2022-12-14 04:48:09,967 INFO L226 Difference]: Without dead ends: 3833 [2022-12-14 04:48:09,969 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 [2022-12-14 04:48:09,969 INFO L413 NwaCegarLoop]: 3733 mSDtfsCounter, 4233 mSDsluCounter, 3733 mSDsCounter, 0 mSdLazyCounter, 1031 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4235 SdHoareTripleChecker+Valid, 7466 SdHoareTripleChecker+Invalid, 1031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1031 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-12-14 04:48:09,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4235 Valid, 7466 Invalid, 1031 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1031 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-12-14 04:48:09,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3833 states. [2022-12-14 04:48:10,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3833 to 3833. [2022-12-14 04:48:10,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3833 states, 2241 states have (on average 1.3391343150379296) internal successors, (3001), 2378 states have internal predecessors, (3001), 1306 states have call successors, (1306), 257 states have call predecessors, (1306), 256 states have return successors, (1304), 1256 states have call predecessors, (1304), 1304 states have call successors, (1304) [2022-12-14 04:48:10,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3833 states to 3833 states and 5611 transitions. [2022-12-14 04:48:10,268 INFO L78 Accepts]: Start accepts. Automaton has 3833 states and 5611 transitions. Word has length 51 [2022-12-14 04:48:10,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:48:10,268 INFO L495 AbstractCegarLoop]: Abstraction has 3833 states and 5611 transitions. [2022-12-14 04:48:10,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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) [2022-12-14 04:48:10,269 INFO L276 IsEmpty]: Start isEmpty. Operand 3833 states and 5611 transitions. [2022-12-14 04:48:10,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-14 04:48:10,270 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:48:10,270 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:48:10,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 04:48:10,270 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-12-14 04:48:10,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:48:10,271 INFO L85 PathProgramCache]: Analyzing trace with hash 28498616, now seen corresponding path program 1 times [2022-12-14 04:48:10,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:48:10,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395421339] [2022-12-14 04:48:10,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:48:10,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:48:10,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:48:10,784 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 04:48:10,784 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:48:10,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395421339] [2022-12-14 04:48:10,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395421339] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:48:10,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:48:10,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 04:48:10,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914982700] [2022-12-14 04:48:10,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:48:10,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:48:10,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:48:10,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:48:10,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:48:10,786 INFO L87 Difference]: Start difference. First operand 3833 states and 5611 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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) [2022-12-14 04:48:13,412 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 [] [2022-12-14 04:48:15,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:48:15,873 INFO L93 Difference]: Finished difference Result 3893 states and 5647 transitions. [2022-12-14 04:48:15,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 04:48:15,873 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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 56 [2022-12-14 04:48:15,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:48:15,884 INFO L225 Difference]: With dead ends: 3893 [2022-12-14 04:48:15,884 INFO L226 Difference]: Without dead ends: 3891 [2022-12-14 04:48:15,886 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 [2022-12-14 04:48:15,886 INFO L413 NwaCegarLoop]: 4131 mSDtfsCounter, 4191 mSDsluCounter, 5344 mSDsCounter, 0 mSdLazyCounter, 1308 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4193 SdHoareTripleChecker+Valid, 9475 SdHoareTripleChecker+Invalid, 1310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1308 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-12-14 04:48:15,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4193 Valid, 9475 Invalid, 1310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1308 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2022-12-14 04:48:15,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3891 states. [2022-12-14 04:48:16,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3891 to 3833. [2022-12-14 04:48:16,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3833 states, 2241 states have (on average 1.3386880856760375) internal successors, (3000), 2378 states have internal predecessors, (3000), 1306 states have call successors, (1306), 257 states have call predecessors, (1306), 256 states have return successors, (1304), 1256 states have call predecessors, (1304), 1304 states have call successors, (1304) [2022-12-14 04:48:16,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3833 states to 3833 states and 5610 transitions. [2022-12-14 04:48:16,050 INFO L78 Accepts]: Start accepts. Automaton has 3833 states and 5610 transitions. Word has length 56 [2022-12-14 04:48:16,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:48:16,051 INFO L495 AbstractCegarLoop]: Abstraction has 3833 states and 5610 transitions. [2022-12-14 04:48:16,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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) [2022-12-14 04:48:16,052 INFO L276 IsEmpty]: Start isEmpty. Operand 3833 states and 5610 transitions. [2022-12-14 04:48:16,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-12-14 04:48:16,052 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:48:16,052 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:48:16,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 04:48:16,053 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-12-14 04:48:16,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:48:16,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1160212686, now seen corresponding path program 1 times [2022-12-14 04:48:16,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:48:16,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035047690] [2022-12-14 04:48:16,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:48:16,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:48:16,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:48:16,467 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 04:48:16,467 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:48:16,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035047690] [2022-12-14 04:48:16,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035047690] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:48:16,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:48:16,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 04:48:16,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999911049] [2022-12-14 04:48:16,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:48:16,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:48:16,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:48:16,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:48:16,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:48:16,469 INFO L87 Difference]: Start difference. First operand 3833 states and 5610 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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) [2022-12-14 04:48:19,351 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 [] [2022-12-14 04:48:21,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:48:21,907 INFO L93 Difference]: Finished difference Result 3833 states and 5610 transitions. [2022-12-14 04:48:21,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 04:48:21,907 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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 61 [2022-12-14 04:48:21,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:48:21,922 INFO L225 Difference]: With dead ends: 3833 [2022-12-14 04:48:21,922 INFO L226 Difference]: Without dead ends: 3831 [2022-12-14 04:48:21,924 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 [2022-12-14 04:48:21,924 INFO L413 NwaCegarLoop]: 3731 mSDtfsCounter, 4229 mSDsluCounter, 3731 mSDsCounter, 0 mSdLazyCounter, 1030 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4231 SdHoareTripleChecker+Valid, 7462 SdHoareTripleChecker+Invalid, 1031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1030 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-12-14 04:48:21,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4231 Valid, 7462 Invalid, 1031 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1030 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2022-12-14 04:48:21,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3831 states. [2022-12-14 04:48:22,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3831 to 3831. [2022-12-14 04:48:22,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3831 states, 2240 states have (on average 1.3379464285714286) internal successors, (2997), 2376 states have internal predecessors, (2997), 1306 states have call successors, (1306), 257 states have call predecessors, (1306), 256 states have return successors, (1304), 1256 states have call predecessors, (1304), 1304 states have call successors, (1304) [2022-12-14 04:48:22,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3831 states to 3831 states and 5607 transitions. [2022-12-14 04:48:22,126 INFO L78 Accepts]: Start accepts. Automaton has 3831 states and 5607 transitions. Word has length 61 [2022-12-14 04:48:22,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:48:22,126 INFO L495 AbstractCegarLoop]: Abstraction has 3831 states and 5607 transitions. [2022-12-14 04:48:22,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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) [2022-12-14 04:48:22,127 INFO L276 IsEmpty]: Start isEmpty. Operand 3831 states and 5607 transitions. [2022-12-14 04:48:22,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-14 04:48:22,127 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:48:22,127 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:48:22,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 04:48:22,128 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-12-14 04:48:22,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:48:22,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1626161374, now seen corresponding path program 1 times [2022-12-14 04:48:22,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:48:22,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883012795] [2022-12-14 04:48:22,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:48:22,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:48:22,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:48:22,510 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 04:48:22,510 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:48:22,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883012795] [2022-12-14 04:48:22,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883012795] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:48:22,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:48:22,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 04:48:22,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470640283] [2022-12-14 04:48:22,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:48:22,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:48:22,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:48:22,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:48:22,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:48:22,512 INFO L87 Difference]: Start difference. First operand 3831 states and 5607 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2022-12-14 04:48:25,129 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 [] [2022-12-14 04:48:27,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:48:27,943 INFO L93 Difference]: Finished difference Result 3887 states and 5641 transitions. [2022-12-14 04:48:27,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 04:48:27,944 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 66 [2022-12-14 04:48:27,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:48:27,956 INFO L225 Difference]: With dead ends: 3887 [2022-12-14 04:48:27,956 INFO L226 Difference]: Without dead ends: 3885 [2022-12-14 04:48:27,958 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 [2022-12-14 04:48:27,958 INFO L413 NwaCegarLoop]: 4129 mSDtfsCounter, 4185 mSDsluCounter, 5340 mSDsCounter, 0 mSdLazyCounter, 1308 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4187 SdHoareTripleChecker+Valid, 9469 SdHoareTripleChecker+Invalid, 1310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1308 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-12-14 04:48:27,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4187 Valid, 9469 Invalid, 1310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1308 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2022-12-14 04:48:27,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3885 states. [2022-12-14 04:48:28,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3885 to 3831. [2022-12-14 04:48:28,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3831 states, 2240 states have (on average 1.3375) internal successors, (2996), 2376 states have internal predecessors, (2996), 1306 states have call successors, (1306), 257 states have call predecessors, (1306), 256 states have return successors, (1304), 1256 states have call predecessors, (1304), 1304 states have call successors, (1304) [2022-12-14 04:48:28,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3831 states to 3831 states and 5606 transitions. [2022-12-14 04:48:28,137 INFO L78 Accepts]: Start accepts. Automaton has 3831 states and 5606 transitions. Word has length 66 [2022-12-14 04:48:28,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:48:28,137 INFO L495 AbstractCegarLoop]: Abstraction has 3831 states and 5606 transitions. [2022-12-14 04:48:28,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2022-12-14 04:48:28,137 INFO L276 IsEmpty]: Start isEmpty. Operand 3831 states and 5606 transitions. [2022-12-14 04:48:28,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-14 04:48:28,138 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:48:28,138 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:48:28,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 04:48:28,138 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-12-14 04:48:28,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:48:28,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1932605620, now seen corresponding path program 1 times [2022-12-14 04:48:28,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:48:28,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314846062] [2022-12-14 04:48:28,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:48:28,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:48:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:48:28,525 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 04:48:28,525 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:48:28,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314846062] [2022-12-14 04:48:28,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314846062] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:48:28,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:48:28,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 04:48:28,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795171943] [2022-12-14 04:48:28,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:48:28,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:48:28,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:48:28,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:48:28,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:48:28,527 INFO L87 Difference]: Start difference. First operand 3831 states and 5606 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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) [2022-12-14 04:48:31,296 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 [] [2022-12-14 04:48:34,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:48:34,088 INFO L93 Difference]: Finished difference Result 3885 states and 5639 transitions. [2022-12-14 04:48:34,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 04:48:34,088 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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 71 [2022-12-14 04:48:34,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:48:34,098 INFO L225 Difference]: With dead ends: 3885 [2022-12-14 04:48:34,098 INFO L226 Difference]: Without dead ends: 3883 [2022-12-14 04:48:34,100 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 [2022-12-14 04:48:34,100 INFO L413 NwaCegarLoop]: 4129 mSDtfsCounter, 4190 mSDsluCounter, 5336 mSDsCounter, 0 mSdLazyCounter, 1308 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4192 SdHoareTripleChecker+Valid, 9465 SdHoareTripleChecker+Invalid, 1310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1308 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-12-14 04:48:34,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4192 Valid, 9465 Invalid, 1310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1308 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2022-12-14 04:48:34,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3883 states. [2022-12-14 04:48:34,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3883 to 3831. [2022-12-14 04:48:34,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3831 states, 2240 states have (on average 1.3370535714285714) internal successors, (2995), 2376 states have internal predecessors, (2995), 1306 states have call successors, (1306), 257 states have call predecessors, (1306), 256 states have return successors, (1304), 1256 states have call predecessors, (1304), 1304 states have call successors, (1304) [2022-12-14 04:48:34,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3831 states to 3831 states and 5605 transitions. [2022-12-14 04:48:34,279 INFO L78 Accepts]: Start accepts. Automaton has 3831 states and 5605 transitions. Word has length 71 [2022-12-14 04:48:34,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:48:34,279 INFO L495 AbstractCegarLoop]: Abstraction has 3831 states and 5605 transitions. [2022-12-14 04:48:34,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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) [2022-12-14 04:48:34,279 INFO L276 IsEmpty]: Start isEmpty. Operand 3831 states and 5605 transitions. [2022-12-14 04:48:34,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-12-14 04:48:34,280 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:48:34,280 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:48:34,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 04:48:34,280 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-12-14 04:48:34,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:48:34,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1807987313, now seen corresponding path program 1 times [2022-12-14 04:48:34,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:48:34,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037864605] [2022-12-14 04:48:34,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:48:34,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:48:34,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:48:34,648 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 04:48:34,648 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:48:34,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037864605] [2022-12-14 04:48:34,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037864605] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:48:34,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:48:34,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 04:48:34,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346211016] [2022-12-14 04:48:34,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:48:34,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:48:34,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:48:34,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:48:34,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:48:34,649 INFO L87 Difference]: Start difference. First operand 3831 states and 5605 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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) [2022-12-14 04:48:36,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:48:38,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:48:38,929 INFO L93 Difference]: Finished difference Result 3831 states and 5605 transitions. [2022-12-14 04:48:38,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 04:48:38,930 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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 73 [2022-12-14 04:48:38,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:48:38,941 INFO L225 Difference]: With dead ends: 3831 [2022-12-14 04:48:38,941 INFO L226 Difference]: Without dead ends: 3829 [2022-12-14 04:48:38,942 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 [2022-12-14 04:48:38,943 INFO L413 NwaCegarLoop]: 3729 mSDtfsCounter, 4223 mSDsluCounter, 3729 mSDsCounter, 0 mSdLazyCounter, 1031 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4225 SdHoareTripleChecker+Valid, 7458 SdHoareTripleChecker+Invalid, 1031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1031 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-12-14 04:48:38,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4225 Valid, 7458 Invalid, 1031 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1031 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-12-14 04:48:38,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3829 states. [2022-12-14 04:48:39,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3829 to 3829. [2022-12-14 04:48:39,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3829 states, 2239 states have (on average 1.3363108530594014) internal successors, (2992), 2374 states have internal predecessors, (2992), 1306 states have call successors, (1306), 257 states have call predecessors, (1306), 256 states have return successors, (1304), 1256 states have call predecessors, (1304), 1304 states have call successors, (1304) [2022-12-14 04:48:39,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3829 states to 3829 states and 5602 transitions. [2022-12-14 04:48:39,152 INFO L78 Accepts]: Start accepts. Automaton has 3829 states and 5602 transitions. Word has length 73 [2022-12-14 04:48:39,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:48:39,153 INFO L495 AbstractCegarLoop]: Abstraction has 3829 states and 5602 transitions. [2022-12-14 04:48:39,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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) [2022-12-14 04:48:39,153 INFO L276 IsEmpty]: Start isEmpty. Operand 3829 states and 5602 transitions. [2022-12-14 04:48:39,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-12-14 04:48:39,154 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:48:39,154 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:48:39,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 04:48:39,154 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-12-14 04:48:39,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:48:39,155 INFO L85 PathProgramCache]: Analyzing trace with hash -244435215, now seen corresponding path program 1 times [2022-12-14 04:48:39,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:48:39,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289215425] [2022-12-14 04:48:39,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:48:39,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:48:39,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:48:39,531 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 04:48:39,532 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:48:39,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289215425] [2022-12-14 04:48:39,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289215425] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:48:39,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:48:39,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 04:48:39,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960029884] [2022-12-14 04:48:39,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:48:39,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:48:39,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:48:39,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:48:39,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:48:39,534 INFO L87 Difference]: Start difference. First operand 3829 states and 5602 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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) [2022-12-14 04:48:43,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:48:43,570 INFO L93 Difference]: Finished difference Result 3829 states and 5602 transitions. [2022-12-14 04:48:43,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 04:48:43,570 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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 78 [2022-12-14 04:48:43,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:48:43,581 INFO L225 Difference]: With dead ends: 3829 [2022-12-14 04:48:43,581 INFO L226 Difference]: Without dead ends: 3827 [2022-12-14 04:48:43,583 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 [2022-12-14 04:48:43,583 INFO L413 NwaCegarLoop]: 3727 mSDtfsCounter, 4222 mSDsluCounter, 3727 mSDsCounter, 0 mSdLazyCounter, 1031 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4224 SdHoareTripleChecker+Valid, 7454 SdHoareTripleChecker+Invalid, 1031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1031 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-12-14 04:48:43,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4224 Valid, 7454 Invalid, 1031 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1031 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-12-14 04:48:43,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3827 states. [2022-12-14 04:48:43,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3827 to 3827. [2022-12-14 04:48:43,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3827 states, 2238 states have (on average 1.3355674709562109) internal successors, (2989), 2372 states have internal predecessors, (2989), 1306 states have call successors, (1306), 257 states have call predecessors, (1306), 256 states have return successors, (1304), 1256 states have call predecessors, (1304), 1304 states have call successors, (1304) [2022-12-14 04:48:43,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3827 states to 3827 states and 5599 transitions. [2022-12-14 04:48:43,805 INFO L78 Accepts]: Start accepts. Automaton has 3827 states and 5599 transitions. Word has length 78 [2022-12-14 04:48:43,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:48:43,805 INFO L495 AbstractCegarLoop]: Abstraction has 3827 states and 5599 transitions. [2022-12-14 04:48:43,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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) [2022-12-14 04:48:43,806 INFO L276 IsEmpty]: Start isEmpty. Operand 3827 states and 5599 transitions. [2022-12-14 04:48:43,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-12-14 04:48:43,806 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:48:43,807 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 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] [2022-12-14 04:48:43,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 04:48:43,807 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_net_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-12-14 04:48:43,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:48:43,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1078623275, now seen corresponding path program 1 times [2022-12-14 04:48:43,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:48:43,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046814578] [2022-12-14 04:48:43,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:48:43,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:48:43,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:48:44,277 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-12-14 04:48:44,277 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:48:44,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046814578] [2022-12-14 04:48:44,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046814578] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:48:44,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:48:44,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:48:44,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970667458] [2022-12-14 04:48:44,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:48:44,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:48:44,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:48:44,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:48:44,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:48:44,280 INFO L87 Difference]: Start difference. First operand 3827 states and 5599 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 04:48:46,070 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 [] [2022-12-14 04:48:47,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:48:47,746 INFO L93 Difference]: Finished difference Result 7611 states and 11127 transitions. [2022-12-14 04:48:47,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:48:47,747 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 92 [2022-12-14 04:48:47,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:48:47,759 INFO L225 Difference]: With dead ends: 7611 [2022-12-14 04:48:47,759 INFO L226 Difference]: Without dead ends: 3823 [2022-12-14 04:48:47,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:48:47,772 INFO L413 NwaCegarLoop]: 3723 mSDtfsCounter, 4229 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4229 SdHoareTripleChecker+Valid, 3723 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-12-14 04:48:47,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4229 Valid, 3723 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-12-14 04:48:47,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3823 states. [2022-12-14 04:48:47,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3823 to 3823. [2022-12-14 04:48:47,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3823 states, 2235 states have (on average 1.3351230425055929) internal successors, (2984), 2368 states have internal predecessors, (2984), 1306 states have call successors, (1306), 257 states have call predecessors, (1306), 256 states have return successors, (1304), 1256 states have call predecessors, (1304), 1304 states have call successors, (1304) [2022-12-14 04:48:48,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3823 states to 3823 states and 5594 transitions. [2022-12-14 04:48:48,010 INFO L78 Accepts]: Start accepts. Automaton has 3823 states and 5594 transitions. Word has length 92 [2022-12-14 04:48:48,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:48:48,010 INFO L495 AbstractCegarLoop]: Abstraction has 3823 states and 5594 transitions. [2022-12-14 04:48:48,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 04:48:48,011 INFO L276 IsEmpty]: Start isEmpty. Operand 3823 states and 5594 transitions. [2022-12-14 04:48:48,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-12-14 04:48:48,011 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:48:48,012 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:48:48,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 04:48:48,012 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-12-14 04:48:48,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:48:48,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1401958091, now seen corresponding path program 1 times [2022-12-14 04:48:48,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:48:48,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510436720] [2022-12-14 04:48:48,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:48:48,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:48:48,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:48:48,454 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 04:48:48,455 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:48:48,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510436720] [2022-12-14 04:48:48,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510436720] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:48:48,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:48:48,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 04:48:48,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406189550] [2022-12-14 04:48:48,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:48:48,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:48:48,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:48:48,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:48:48,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:48:48,457 INFO L87 Difference]: Start difference. First operand 3823 states and 5594 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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) [2022-12-14 04:48:51,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:48:51,740 INFO L93 Difference]: Finished difference Result 3823 states and 5594 transitions. [2022-12-14 04:48:51,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 04:48:51,741 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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 83 [2022-12-14 04:48:51,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:48:51,752 INFO L225 Difference]: With dead ends: 3823 [2022-12-14 04:48:51,752 INFO L226 Difference]: Without dead ends: 3821 [2022-12-14 04:48:51,755 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 [2022-12-14 04:48:51,755 INFO L413 NwaCegarLoop]: 3720 mSDtfsCounter, 4214 mSDsluCounter, 3720 mSDsCounter, 0 mSdLazyCounter, 1031 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4216 SdHoareTripleChecker+Valid, 7440 SdHoareTripleChecker+Invalid, 1031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1031 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:48:51,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4216 Valid, 7440 Invalid, 1031 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1031 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-12-14 04:48:51,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3821 states. [2022-12-14 04:48:52,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3821 to 3821. [2022-12-14 04:48:52,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3821 states, 2234 states have (on average 1.3343777976723366) internal successors, (2981), 2366 states have internal predecessors, (2981), 1306 states have call successors, (1306), 257 states have call predecessors, (1306), 256 states have return successors, (1304), 1256 states have call predecessors, (1304), 1304 states have call successors, (1304) [2022-12-14 04:48:52,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3821 states to 3821 states and 5591 transitions. [2022-12-14 04:48:52,053 INFO L78 Accepts]: Start accepts. Automaton has 3821 states and 5591 transitions. Word has length 83 [2022-12-14 04:48:52,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:48:52,053 INFO L495 AbstractCegarLoop]: Abstraction has 3821 states and 5591 transitions. [2022-12-14 04:48:52,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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) [2022-12-14 04:48:52,054 INFO L276 IsEmpty]: Start isEmpty. Operand 3821 states and 5591 transitions. [2022-12-14 04:48:52,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-12-14 04:48:52,054 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:48:52,055 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:48:52,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 04:48:52,055 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-12-14 04:48:52,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:48:52,055 INFO L85 PathProgramCache]: Analyzing trace with hash 425146313, now seen corresponding path program 1 times [2022-12-14 04:48:52,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:48:52,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775656682] [2022-12-14 04:48:52,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:48:52,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:48:52,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:48:52,403 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 04:48:52,403 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:48:52,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775656682] [2022-12-14 04:48:52,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775656682] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:48:52,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:48:52,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 04:48:52,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033181780] [2022-12-14 04:48:52,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:48:52,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:48:52,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:48:52,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:48:52,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:48:52,405 INFO L87 Difference]: Start difference. First operand 3821 states and 5591 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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) [2022-12-14 04:48:55,152 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 [] [2022-12-14 04:48:58,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:48:58,235 INFO L93 Difference]: Finished difference Result 3867 states and 5620 transitions. [2022-12-14 04:48:58,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 04:48:58,235 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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 88 [2022-12-14 04:48:58,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:48:58,244 INFO L225 Difference]: With dead ends: 3867 [2022-12-14 04:48:58,245 INFO L226 Difference]: Without dead ends: 3865 [2022-12-14 04:48:58,246 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 [2022-12-14 04:48:58,246 INFO L413 NwaCegarLoop]: 4118 mSDtfsCounter, 4166 mSDsluCounter, 5323 mSDsCounter, 0 mSdLazyCounter, 1308 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4168 SdHoareTripleChecker+Valid, 9441 SdHoareTripleChecker+Invalid, 1310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1308 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-12-14 04:48:58,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4168 Valid, 9441 Invalid, 1310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1308 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2022-12-14 04:48:58,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3865 states. [2022-12-14 04:48:58,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3865 to 3821. [2022-12-14 04:48:58,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3821 states, 2234 states have (on average 1.333930170098478) internal successors, (2980), 2366 states have internal predecessors, (2980), 1306 states have call successors, (1306), 257 states have call predecessors, (1306), 256 states have return successors, (1304), 1256 states have call predecessors, (1304), 1304 states have call successors, (1304) [2022-12-14 04:48:58,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3821 states to 3821 states and 5590 transitions. [2022-12-14 04:48:58,495 INFO L78 Accepts]: Start accepts. Automaton has 3821 states and 5590 transitions. Word has length 88 [2022-12-14 04:48:58,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:48:58,495 INFO L495 AbstractCegarLoop]: Abstraction has 3821 states and 5590 transitions. [2022-12-14 04:48:58,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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) [2022-12-14 04:48:58,495 INFO L276 IsEmpty]: Start isEmpty. Operand 3821 states and 5590 transitions. [2022-12-14 04:48:58,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-12-14 04:48:58,496 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:48:58,496 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 3, 3, 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] [2022-12-14 04:48:58,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 04:48:58,497 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_usb_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-12-14 04:48:58,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:48:58,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1859962678, now seen corresponding path program 1 times [2022-12-14 04:48:58,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:48:58,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116974553] [2022-12-14 04:48:58,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:48:58,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:48:58,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:48:58,918 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2022-12-14 04:48:58,919 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:48:58,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116974553] [2022-12-14 04:48:58,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116974553] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 04:48:58,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [21467561] [2022-12-14 04:48:58,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:48:58,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:48:58,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:48:58,920 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:48:58,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 04:49:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:49:00,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 4599 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 04:49:00,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:49:00,098 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-12-14 04:49:00,099 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:49:00,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [21467561] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:49:00,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 04:49:00,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2022-12-14 04:49:00,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106916439] [2022-12-14 04:49:00,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:49:00,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:49:00,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:49:00,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:49:00,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-12-14 04:49:00,100 INFO L87 Difference]: Start difference. First operand 3821 states and 5590 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 04:49:02,640 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 [] [2022-12-14 04:49:04,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:49:04,791 INFO L93 Difference]: Finished difference Result 7643 states and 11137 transitions. [2022-12-14 04:49:04,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:49:04,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 100 [2022-12-14 04:49:04,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:49:04,802 INFO L225 Difference]: With dead ends: 7643 [2022-12-14 04:49:04,802 INFO L226 Difference]: Without dead ends: 3861 [2022-12-14 04:49:04,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-12-14 04:49:04,813 INFO L413 NwaCegarLoop]: 4114 mSDtfsCounter, 4165 mSDsluCounter, 1207 mSDsCounter, 0 mSdLazyCounter, 763 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4165 SdHoareTripleChecker+Valid, 5321 SdHoareTripleChecker+Invalid, 765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 763 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-12-14 04:49:04,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4165 Valid, 5321 Invalid, 765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 763 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2022-12-14 04:49:04,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3861 states. [2022-12-14 04:49:05,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3861 to 3817. [2022-12-14 04:49:05,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3817 states, 2231 states have (on average 1.3334827431645002) internal successors, (2975), 2362 states have internal predecessors, (2975), 1306 states have call successors, (1306), 257 states have call predecessors, (1306), 256 states have return successors, (1304), 1256 states have call predecessors, (1304), 1304 states have call successors, (1304) [2022-12-14 04:49:05,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3817 states to 3817 states and 5585 transitions. [2022-12-14 04:49:05,085 INFO L78 Accepts]: Start accepts. Automaton has 3817 states and 5585 transitions. Word has length 100 [2022-12-14 04:49:05,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:49:05,085 INFO L495 AbstractCegarLoop]: Abstraction has 3817 states and 5585 transitions. [2022-12-14 04:49:05,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 04:49:05,086 INFO L276 IsEmpty]: Start isEmpty. Operand 3817 states and 5585 transitions. [2022-12-14 04:49:05,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-12-14 04:49:05,086 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:49:05,087 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:49:05,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 04:49:05,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-12-14 04:49:05,288 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_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-12-14 04:49:05,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:49:05,290 INFO L85 PathProgramCache]: Analyzing trace with hash 18179876, now seen corresponding path program 1 times [2022-12-14 04:49:05,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:49:05,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335964037] [2022-12-14 04:49:05,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:49:05,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:49:05,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:49:05,669 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 04:49:05,669 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:49:05,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335964037] [2022-12-14 04:49:05,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335964037] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:49:05,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:49:05,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 04:49:05,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449117517] [2022-12-14 04:49:05,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:49:05,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:49:05,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:49:05,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:49:05,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:49:05,671 INFO L87 Difference]: Start difference. First operand 3817 states and 5585 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 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) [2022-12-14 04:49:07,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:49:09,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:49:12,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:49:12,028 INFO L93 Difference]: Finished difference Result 3817 states and 5585 transitions. [2022-12-14 04:49:12,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 04:49:12,029 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 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 93 [2022-12-14 04:49:12,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:49:12,036 INFO L225 Difference]: With dead ends: 3817 [2022-12-14 04:49:12,037 INFO L226 Difference]: Without dead ends: 3815 [2022-12-14 04:49:12,038 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 [2022-12-14 04:49:12,038 INFO L413 NwaCegarLoop]: 3713 mSDtfsCounter, 4205 mSDsluCounter, 3713 mSDsCounter, 0 mSdLazyCounter, 1030 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4207 SdHoareTripleChecker+Valid, 7426 SdHoareTripleChecker+Invalid, 1031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1030 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-12-14 04:49:12,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4207 Valid, 7426 Invalid, 1031 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1030 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2022-12-14 04:49:12,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3815 states. [2022-12-14 04:49:12,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3815 to 3815. [2022-12-14 04:49:12,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3815 states, 2230 states have (on average 1.3327354260089685) internal successors, (2972), 2360 states have internal predecessors, (2972), 1306 states have call successors, (1306), 257 states have call predecessors, (1306), 256 states have return successors, (1304), 1256 states have call predecessors, (1304), 1304 states have call successors, (1304) [2022-12-14 04:49:12,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3815 states to 3815 states and 5582 transitions. [2022-12-14 04:49:12,314 INFO L78 Accepts]: Start accepts. Automaton has 3815 states and 5582 transitions. Word has length 93 [2022-12-14 04:49:12,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:49:12,314 INFO L495 AbstractCegarLoop]: Abstraction has 3815 states and 5582 transitions. [2022-12-14 04:49:12,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 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) [2022-12-14 04:49:12,314 INFO L276 IsEmpty]: Start isEmpty. Operand 3815 states and 5582 transitions. [2022-12-14 04:49:12,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-12-14 04:49:12,315 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:49:12,315 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:49:12,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 04:49:12,315 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_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-12-14 04:49:12,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:49:12,316 INFO L85 PathProgramCache]: Analyzing trace with hash 2046194144, now seen corresponding path program 1 times [2022-12-14 04:49:12,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:49:12,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945535896] [2022-12-14 04:49:12,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:49:12,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:49:12,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:49:12,663 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 04:49:12,663 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:49:12,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945535896] [2022-12-14 04:49:12,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945535896] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:49:12,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:49:12,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 04:49:12,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161989069] [2022-12-14 04:49:12,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:49:12,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:49:12,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:49:12,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:49:12,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:49:12,665 INFO L87 Difference]: Start difference. First operand 3815 states and 5582 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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) [2022-12-14 04:49:15,289 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 [] [2022-12-14 04:49:18,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:49:18,496 INFO L93 Difference]: Finished difference Result 3857 states and 5609 transitions. [2022-12-14 04:49:18,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 04:49:18,497 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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 98 [2022-12-14 04:49:18,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:49:18,506 INFO L225 Difference]: With dead ends: 3857 [2022-12-14 04:49:18,506 INFO L226 Difference]: Without dead ends: 3855 [2022-12-14 04:49:18,508 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 [2022-12-14 04:49:18,508 INFO L413 NwaCegarLoop]: 4111 mSDtfsCounter, 4155 mSDsluCounter, 5314 mSDsCounter, 0 mSdLazyCounter, 1308 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4157 SdHoareTripleChecker+Valid, 9425 SdHoareTripleChecker+Invalid, 1310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1308 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-12-14 04:49:18,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4157 Valid, 9425 Invalid, 1310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1308 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2022-12-14 04:49:18,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3855 states. [2022-12-14 04:49:18,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3855 to 3815. [2022-12-14 04:49:18,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3815 states, 2230 states have (on average 1.332286995515695) internal successors, (2971), 2360 states have internal predecessors, (2971), 1306 states have call successors, (1306), 257 states have call predecessors, (1306), 256 states have return successors, (1304), 1256 states have call predecessors, (1304), 1304 states have call successors, (1304) [2022-12-14 04:49:18,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3815 states to 3815 states and 5581 transitions. [2022-12-14 04:49:18,795 INFO L78 Accepts]: Start accepts. Automaton has 3815 states and 5581 transitions. Word has length 98 [2022-12-14 04:49:18,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:49:18,796 INFO L495 AbstractCegarLoop]: Abstraction has 3815 states and 5581 transitions. [2022-12-14 04:49:18,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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) [2022-12-14 04:49:18,796 INFO L276 IsEmpty]: Start isEmpty. Operand 3815 states and 5581 transitions. [2022-12-14 04:49:18,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-12-14 04:49:18,797 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:49:18,797 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 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] [2022-12-14 04:49:18,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 04:49:18,797 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-12-14 04:49:18,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:49:18,797 INFO L85 PathProgramCache]: Analyzing trace with hash 644355643, now seen corresponding path program 1 times [2022-12-14 04:49:18,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:49:18,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172001110] [2022-12-14 04:49:18,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:49:18,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:49:18,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:49:19,832 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2022-12-14 04:49:19,832 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:49:19,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172001110] [2022-12-14 04:49:19,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172001110] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:49:19,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:49:19,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 04:49:19,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953995411] [2022-12-14 04:49:19,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:49:19,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 04:49:19,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:49:19,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 04:49:19,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 04:49:19,834 INFO L87 Difference]: Start difference. First operand 3815 states and 5581 transitions. Second operand has 6 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 04:49:24,599 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 [] [2022-12-14 04:49:26,604 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 [] [2022-12-14 04:49:32,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:49:32,402 INFO L93 Difference]: Finished difference Result 3815 states and 5581 transitions. [2022-12-14 04:49:32,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 04:49:32,403 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 108 [2022-12-14 04:49:32,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:49:32,411 INFO L225 Difference]: With dead ends: 3815 [2022-12-14 04:49:32,411 INFO L226 Difference]: Without dead ends: 3813 [2022-12-14 04:49:32,412 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 [2022-12-14 04:49:32,412 INFO L413 NwaCegarLoop]: 3712 mSDtfsCounter, 4190 mSDsluCounter, 9132 mSDsCounter, 0 mSdLazyCounter, 4054 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4194 SdHoareTripleChecker+Valid, 12844 SdHoareTripleChecker+Invalid, 4056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4054 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:49:32,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4194 Valid, 12844 Invalid, 4056 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 4054 Invalid, 2 Unknown, 0 Unchecked, 12.0s Time] [2022-12-14 04:49:32,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3813 states. [2022-12-14 04:49:32,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3813 to 3813. [2022-12-14 04:49:32,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3813 states, 2229 states have (on average 1.3315388066397487) internal successors, (2968), 2358 states have internal predecessors, (2968), 1306 states have call successors, (1306), 257 states have call predecessors, (1306), 256 states have return successors, (1304), 1256 states have call predecessors, (1304), 1304 states have call successors, (1304) [2022-12-14 04:49:32,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3813 states to 3813 states and 5578 transitions. [2022-12-14 04:49:32,713 INFO L78 Accepts]: Start accepts. Automaton has 3813 states and 5578 transitions. Word has length 108 [2022-12-14 04:49:32,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:49:32,714 INFO L495 AbstractCegarLoop]: Abstraction has 3813 states and 5578 transitions. [2022-12-14 04:49:32,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 04:49:32,714 INFO L276 IsEmpty]: Start isEmpty. Operand 3813 states and 5578 transitions. [2022-12-14 04:49:32,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-12-14 04:49:32,715 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:49:32,715 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 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] [2022-12-14 04:49:32,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 04:49:32,715 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-12-14 04:49:32,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:49:32,715 INFO L85 PathProgramCache]: Analyzing trace with hash 2105537013, now seen corresponding path program 1 times [2022-12-14 04:49:32,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:49:32,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507351946] [2022-12-14 04:49:32,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:49:32,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:49:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:49:33,003 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2022-12-14 04:49:33,003 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:49:33,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507351946] [2022-12-14 04:49:33,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507351946] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:49:33,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:49:33,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:49:33,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460168728] [2022-12-14 04:49:33,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:49:33,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:49:33,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:49:33,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:49:33,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:49:33,004 INFO L87 Difference]: Start difference. First operand 3813 states and 5578 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 04:49:35,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:49:35,842 INFO L93 Difference]: Finished difference Result 7581 states and 11124 transitions. [2022-12-14 04:49:35,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:49:35,842 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 111 [2022-12-14 04:49:35,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:49:35,853 INFO L225 Difference]: With dead ends: 7581 [2022-12-14 04:49:35,853 INFO L226 Difference]: Without dead ends: 3807 [2022-12-14 04:49:35,877 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 [2022-12-14 04:49:35,877 INFO L413 NwaCegarLoop]: 3706 mSDtfsCounter, 4176 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4176 SdHoareTripleChecker+Valid, 3706 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-12-14 04:49:35,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4176 Valid, 3706 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-12-14 04:49:35,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3807 states. [2022-12-14 04:49:36,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3807 to 3807. [2022-12-14 04:49:36,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3807 states, 2224 states have (on average 1.3304856115107915) internal successors, (2959), 2352 states have internal predecessors, (2959), 1306 states have call successors, (1306), 257 states have call predecessors, (1306), 256 states have return successors, (1304), 1256 states have call predecessors, (1304), 1304 states have call successors, (1304) [2022-12-14 04:49:36,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3807 states to 3807 states and 5569 transitions. [2022-12-14 04:49:36,192 INFO L78 Accepts]: Start accepts. Automaton has 3807 states and 5569 transitions. Word has length 111 [2022-12-14 04:49:36,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:49:36,192 INFO L495 AbstractCegarLoop]: Abstraction has 3807 states and 5569 transitions. [2022-12-14 04:49:36,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 04:49:36,192 INFO L276 IsEmpty]: Start isEmpty. Operand 3807 states and 5569 transitions. [2022-12-14 04:49:36,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-12-14 04:49:36,193 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:49:36,194 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:49:36,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 04:49:36,194 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-12-14 04:49:36,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:49:36,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1700831180, now seen corresponding path program 1 times [2022-12-14 04:49:36,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:49:36,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022546145] [2022-12-14 04:49:36,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:49:36,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:49:36,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:49:36,559 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 04:49:36,559 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:49:36,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022546145] [2022-12-14 04:49:36,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022546145] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:49:36,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:49:36,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 04:49:36,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918762053] [2022-12-14 04:49:36,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:49:36,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:49:36,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:49:36,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:49:36,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:49:36,561 INFO L87 Difference]: Start difference. First operand 3807 states and 5569 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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) [2022-12-14 04:49:39,297 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 [] [2022-12-14 04:49:42,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:49:42,761 INFO L93 Difference]: Finished difference Result 3843 states and 5593 transitions. [2022-12-14 04:49:42,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 04:49:42,762 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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 103 [2022-12-14 04:49:42,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:49:42,770 INFO L225 Difference]: With dead ends: 3843 [2022-12-14 04:49:42,771 INFO L226 Difference]: Without dead ends: 3841 [2022-12-14 04:49:42,772 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 [2022-12-14 04:49:42,772 INFO L413 NwaCegarLoop]: 4104 mSDtfsCounter, 4145 mSDsluCounter, 5300 mSDsCounter, 0 mSdLazyCounter, 1308 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4147 SdHoareTripleChecker+Valid, 9404 SdHoareTripleChecker+Invalid, 1310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1308 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-12-14 04:49:42,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4147 Valid, 9404 Invalid, 1310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1308 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2022-12-14 04:49:42,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3841 states. [2022-12-14 04:49:43,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3841 to 3807. [2022-12-14 04:49:43,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3807 states, 2224 states have (on average 1.3300359712230216) internal successors, (2958), 2352 states have internal predecessors, (2958), 1306 states have call successors, (1306), 257 states have call predecessors, (1306), 256 states have return successors, (1304), 1256 states have call predecessors, (1304), 1304 states have call successors, (1304) [2022-12-14 04:49:43,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3807 states to 3807 states and 5568 transitions. [2022-12-14 04:49:43,118 INFO L78 Accepts]: Start accepts. Automaton has 3807 states and 5568 transitions. Word has length 103 [2022-12-14 04:49:43,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:49:43,119 INFO L495 AbstractCegarLoop]: Abstraction has 3807 states and 5568 transitions. [2022-12-14 04:49:43,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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) [2022-12-14 04:49:43,119 INFO L276 IsEmpty]: Start isEmpty. Operand 3807 states and 5568 transitions. [2022-12-14 04:49:43,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-12-14 04:49:43,120 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:49:43,120 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:49:43,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-14 04:49:43,120 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-12-14 04:49:43,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:49:43,120 INFO L85 PathProgramCache]: Analyzing trace with hash -12014340, now seen corresponding path program 1 times [2022-12-14 04:49:43,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:49:43,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602442294] [2022-12-14 04:49:43,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:49:43,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:49:43,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:49:43,917 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 04:49:43,918 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:49:43,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602442294] [2022-12-14 04:49:43,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602442294] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:49:43,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:49:43,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 04:49:43,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828515380] [2022-12-14 04:49:43,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:49:43,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:49:43,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:49:43,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:49:43,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:49:43,920 INFO L87 Difference]: Start difference. First operand 3807 states and 5568 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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) [2022-12-14 04:49:46,725 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 [] [2022-12-14 04:49:49,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:49:49,924 INFO L93 Difference]: Finished difference Result 3841 states and 5591 transitions. [2022-12-14 04:49:49,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 04:49:49,925 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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 108 [2022-12-14 04:49:49,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:49:49,933 INFO L225 Difference]: With dead ends: 3841 [2022-12-14 04:49:49,933 INFO L226 Difference]: Without dead ends: 3839 [2022-12-14 04:49:49,935 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 [2022-12-14 04:49:49,935 INFO L413 NwaCegarLoop]: 4104 mSDtfsCounter, 4142 mSDsluCounter, 5300 mSDsCounter, 0 mSdLazyCounter, 1308 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4144 SdHoareTripleChecker+Valid, 9404 SdHoareTripleChecker+Invalid, 1310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1308 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-12-14 04:49:49,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4144 Valid, 9404 Invalid, 1310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1308 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2022-12-14 04:49:49,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3839 states. [2022-12-14 04:49:50,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3839 to 3807. [2022-12-14 04:49:50,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3807 states, 2224 states have (on average 1.3295863309352518) internal successors, (2957), 2352 states have internal predecessors, (2957), 1306 states have call successors, (1306), 257 states have call predecessors, (1306), 256 states have return successors, (1304), 1256 states have call predecessors, (1304), 1304 states have call successors, (1304) [2022-12-14 04:49:50,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3807 states to 3807 states and 5567 transitions. [2022-12-14 04:49:50,279 INFO L78 Accepts]: Start accepts. Automaton has 3807 states and 5567 transitions. Word has length 108 [2022-12-14 04:49:50,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:49:50,280 INFO L495 AbstractCegarLoop]: Abstraction has 3807 states and 5567 transitions. [2022-12-14 04:49:50,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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) [2022-12-14 04:49:50,280 INFO L276 IsEmpty]: Start isEmpty. Operand 3807 states and 5567 transitions. [2022-12-14 04:49:50,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-12-14 04:49:50,282 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:49:50,282 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:49:50,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-14 04:49:50,283 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-12-14 04:49:50,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:49:50,283 INFO L85 PathProgramCache]: Analyzing trace with hash 2069757037, now seen corresponding path program 1 times [2022-12-14 04:49:50,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:49:50,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521416850] [2022-12-14 04:49:50,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:49:50,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:49:50,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:49:50,617 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 04:49:50,618 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:49:50,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521416850] [2022-12-14 04:49:50,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521416850] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:49:50,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:49:50,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 04:49:50,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242924092] [2022-12-14 04:49:50,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:49:50,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:49:50,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:49:50,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:49:50,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:49:50,619 INFO L87 Difference]: Start difference. First operand 3807 states and 5567 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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) [2022-12-14 04:49:53,380 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 [] [2022-12-14 04:49:56,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:49:56,563 INFO L93 Difference]: Finished difference Result 3839 states and 5589 transitions. [2022-12-14 04:49:56,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 04:49:56,563 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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 113 [2022-12-14 04:49:56,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:49:56,571 INFO L225 Difference]: With dead ends: 3839 [2022-12-14 04:49:56,571 INFO L226 Difference]: Without dead ends: 3837 [2022-12-14 04:49:56,572 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 [2022-12-14 04:49:56,573 INFO L413 NwaCegarLoop]: 4104 mSDtfsCounter, 4139 mSDsluCounter, 5300 mSDsCounter, 0 mSdLazyCounter, 1308 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4141 SdHoareTripleChecker+Valid, 9404 SdHoareTripleChecker+Invalid, 1310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1308 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-12-14 04:49:56,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4141 Valid, 9404 Invalid, 1310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1308 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2022-12-14 04:49:56,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3837 states. [2022-12-14 04:49:56,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3837 to 3807. [2022-12-14 04:49:56,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3807 states, 2224 states have (on average 1.329136690647482) internal successors, (2956), 2352 states have internal predecessors, (2956), 1306 states have call successors, (1306), 257 states have call predecessors, (1306), 256 states have return successors, (1304), 1256 states have call predecessors, (1304), 1304 states have call successors, (1304) [2022-12-14 04:49:56,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3807 states to 3807 states and 5566 transitions. [2022-12-14 04:49:56,926 INFO L78 Accepts]: Start accepts. Automaton has 3807 states and 5566 transitions. Word has length 113 [2022-12-14 04:49:56,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:49:56,927 INFO L495 AbstractCegarLoop]: Abstraction has 3807 states and 5566 transitions. [2022-12-14 04:49:56,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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) [2022-12-14 04:49:56,927 INFO L276 IsEmpty]: Start isEmpty. Operand 3807 states and 5566 transitions. [2022-12-14 04:49:56,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-12-14 04:49:56,928 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:49:56,928 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:49:56,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-14 04:49:56,928 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-12-14 04:49:56,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:49:56,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1110947222, now seen corresponding path program 1 times [2022-12-14 04:49:56,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:49:56,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877418033] [2022-12-14 04:49:56,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:49:56,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:49:56,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:49:57,268 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 04:49:57,268 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:49:57,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877418033] [2022-12-14 04:49:57,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877418033] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:49:57,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:49:57,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 04:49:57,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019550323] [2022-12-14 04:49:57,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:49:57,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:49:57,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:49:57,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:49:57,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:49:57,269 INFO L87 Difference]: Start difference. First operand 3807 states and 5566 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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) [2022-12-14 04:49:59,975 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 [] [2022-12-14 04:50:03,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:50:03,077 INFO L93 Difference]: Finished difference Result 3837 states and 5587 transitions. [2022-12-14 04:50:03,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 04:50:03,078 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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 118 [2022-12-14 04:50:03,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:50:03,086 INFO L225 Difference]: With dead ends: 3837 [2022-12-14 04:50:03,086 INFO L226 Difference]: Without dead ends: 3835 [2022-12-14 04:50:03,087 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 [2022-12-14 04:50:03,087 INFO L413 NwaCegarLoop]: 4104 mSDtfsCounter, 4136 mSDsluCounter, 5300 mSDsCounter, 0 mSdLazyCounter, 1308 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4138 SdHoareTripleChecker+Valid, 9404 SdHoareTripleChecker+Invalid, 1310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1308 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-12-14 04:50:03,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4138 Valid, 9404 Invalid, 1310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1308 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2022-12-14 04:50:03,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3835 states. [2022-12-14 04:50:03,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3835 to 3807. [2022-12-14 04:50:03,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3807 states, 2224 states have (on average 1.3286870503597121) internal successors, (2955), 2352 states have internal predecessors, (2955), 1306 states have call successors, (1306), 257 states have call predecessors, (1306), 256 states have return successors, (1304), 1256 states have call predecessors, (1304), 1304 states have call successors, (1304) [2022-12-14 04:50:03,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3807 states to 3807 states and 5565 transitions. [2022-12-14 04:50:03,456 INFO L78 Accepts]: Start accepts. Automaton has 3807 states and 5565 transitions. Word has length 118 [2022-12-14 04:50:03,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:50:03,457 INFO L495 AbstractCegarLoop]: Abstraction has 3807 states and 5565 transitions. [2022-12-14 04:50:03,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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) [2022-12-14 04:50:03,457 INFO L276 IsEmpty]: Start isEmpty. Operand 3807 states and 5565 transitions. [2022-12-14 04:50:03,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-12-14 04:50:03,458 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:50:03,458 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 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] [2022-12-14 04:50:03,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-14 04:50:03,459 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-12-14 04:50:03,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:50:03,459 INFO L85 PathProgramCache]: Analyzing trace with hash 385224137, now seen corresponding path program 1 times [2022-12-14 04:50:03,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:50:03,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731521867] [2022-12-14 04:50:03,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:50:03,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:50:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:50:04,254 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2022-12-14 04:50:04,254 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:50:04,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731521867] [2022-12-14 04:50:04,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731521867] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:50:04,255 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:50:04,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 04:50:04,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223642424] [2022-12-14 04:50:04,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:50:04,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 04:50:04,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:50:04,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 04:50:04,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 04:50:04,256 INFO L87 Difference]: Start difference. First operand 3807 states and 5565 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-14 04:50:07,165 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 [] [2022-12-14 04:50:11,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:50:11,499 INFO L93 Difference]: Finished difference Result 5003 states and 7159 transitions. [2022-12-14 04:50:11,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 04:50:11,499 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 133 [2022-12-14 04:50:11,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:50:11,513 INFO L225 Difference]: With dead ends: 5003 [2022-12-14 04:50:11,513 INFO L226 Difference]: Without dead ends: 5001 [2022-12-14 04:50:11,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 04:50:11,515 INFO L413 NwaCegarLoop]: 4153 mSDtfsCounter, 4081 mSDsluCounter, 9611 mSDsCounter, 0 mSdLazyCounter, 1864 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4084 SdHoareTripleChecker+Valid, 13764 SdHoareTripleChecker+Invalid, 1868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1864 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-12-14 04:50:11,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4084 Valid, 13764 Invalid, 1868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1864 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2022-12-14 04:50:11,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5001 states. [2022-12-14 04:50:11,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5001 to 4837. [2022-12-14 04:50:11,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4837 states, 2813 states have (on average 1.323498044792037) internal successors, (3723), 2977 states have internal predecessors, (3723), 1633 states have call successors, (1633), 373 states have call predecessors, (1633), 370 states have return successors, (1640), 1557 states have call predecessors, (1640), 1631 states have call successors, (1640) [2022-12-14 04:50:12,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4837 states to 4837 states and 6996 transitions. [2022-12-14 04:50:12,000 INFO L78 Accepts]: Start accepts. Automaton has 4837 states and 6996 transitions. Word has length 133 [2022-12-14 04:50:12,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:50:12,001 INFO L495 AbstractCegarLoop]: Abstraction has 4837 states and 6996 transitions. [2022-12-14 04:50:12,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-14 04:50:12,001 INFO L276 IsEmpty]: Start isEmpty. Operand 4837 states and 6996 transitions. [2022-12-14 04:50:12,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-12-14 04:50:12,002 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:50:12,002 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:50:12,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-14 04:50:12,002 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-12-14 04:50:12,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:50:12,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1472941612, now seen corresponding path program 1 times [2022-12-14 04:50:12,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:50:12,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477397136] [2022-12-14 04:50:12,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:50:12,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:50:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:50:12,349 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 04:50:12,349 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:50:12,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477397136] [2022-12-14 04:50:12,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477397136] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:50:12,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:50:12,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 04:50:12,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849867407] [2022-12-14 04:50:12,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:50:12,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:50:12,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:50:12,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:50:12,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:50:12,351 INFO L87 Difference]: Start difference. First operand 4837 states and 6996 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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) [2022-12-14 04:50:15,242 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 [] [2022-12-14 04:50:18,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:50:18,605 INFO L93 Difference]: Finished difference Result 4865 states and 7016 transitions. [2022-12-14 04:50:18,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 04:50:18,605 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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 123 [2022-12-14 04:50:18,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:50:18,619 INFO L225 Difference]: With dead ends: 4865 [2022-12-14 04:50:18,619 INFO L226 Difference]: Without dead ends: 4863 [2022-12-14 04:50:18,621 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 [2022-12-14 04:50:18,621 INFO L413 NwaCegarLoop]: 4102 mSDtfsCounter, 4133 mSDsluCounter, 5298 mSDsCounter, 0 mSdLazyCounter, 1302 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4135 SdHoareTripleChecker+Valid, 9400 SdHoareTripleChecker+Invalid, 1304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1302 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-12-14 04:50:18,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4135 Valid, 9400 Invalid, 1304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1302 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2022-12-14 04:50:18,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4863 states. [2022-12-14 04:50:19,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4863 to 4837. [2022-12-14 04:50:19,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4837 states, 2813 states have (on average 1.3231425524351226) internal successors, (3722), 2977 states have internal predecessors, (3722), 1633 states have call successors, (1633), 373 states have call predecessors, (1633), 370 states have return successors, (1640), 1557 states have call predecessors, (1640), 1631 states have call successors, (1640) [2022-12-14 04:50:19,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4837 states to 4837 states and 6995 transitions. [2022-12-14 04:50:19,104 INFO L78 Accepts]: Start accepts. Automaton has 4837 states and 6995 transitions. Word has length 123 [2022-12-14 04:50:19,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:50:19,104 INFO L495 AbstractCegarLoop]: Abstraction has 4837 states and 6995 transitions. [2022-12-14 04:50:19,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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) [2022-12-14 04:50:19,105 INFO L276 IsEmpty]: Start isEmpty. Operand 4837 states and 6995 transitions. [2022-12-14 04:50:19,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-12-14 04:50:19,106 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:50:19,106 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:50:19,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-14 04:50:19,106 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-12-14 04:50:19,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:50:19,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1273973498, now seen corresponding path program 1 times [2022-12-14 04:50:19,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:50:19,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296014382] [2022-12-14 04:50:19,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:50:19,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:50:19,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:50:19,461 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 04:50:19,462 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:50:19,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296014382] [2022-12-14 04:50:19,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296014382] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:50:19,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:50:19,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 04:50:19,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844579004] [2022-12-14 04:50:19,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:50:19,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:50:19,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:50:19,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:50:19,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:50:19,464 INFO L87 Difference]: Start difference. First operand 4837 states and 6995 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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) [2022-12-14 04:50:22,220 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 [] [2022-12-14 04:50:25,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:50:25,581 INFO L93 Difference]: Finished difference Result 4863 states and 7014 transitions. [2022-12-14 04:50:25,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 04:50:25,582 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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 128 [2022-12-14 04:50:25,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:50:25,593 INFO L225 Difference]: With dead ends: 4863 [2022-12-14 04:50:25,593 INFO L226 Difference]: Without dead ends: 4861 [2022-12-14 04:50:25,594 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 [2022-12-14 04:50:25,595 INFO L413 NwaCegarLoop]: 4102 mSDtfsCounter, 4130 mSDsluCounter, 5298 mSDsCounter, 0 mSdLazyCounter, 1302 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4132 SdHoareTripleChecker+Valid, 9400 SdHoareTripleChecker+Invalid, 1304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1302 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-12-14 04:50:25,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4132 Valid, 9400 Invalid, 1304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1302 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2022-12-14 04:50:25,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4861 states. [2022-12-14 04:50:26,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4861 to 4837. [2022-12-14 04:50:26,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4837 states, 2813 states have (on average 1.3227870600782083) internal successors, (3721), 2977 states have internal predecessors, (3721), 1633 states have call successors, (1633), 373 states have call predecessors, (1633), 370 states have return successors, (1640), 1557 states have call predecessors, (1640), 1631 states have call successors, (1640) [2022-12-14 04:50:26,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4837 states to 4837 states and 6994 transitions. [2022-12-14 04:50:26,090 INFO L78 Accepts]: Start accepts. Automaton has 4837 states and 6994 transitions. Word has length 128 [2022-12-14 04:50:26,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:50:26,090 INFO L495 AbstractCegarLoop]: Abstraction has 4837 states and 6994 transitions. [2022-12-14 04:50:26,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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) [2022-12-14 04:50:26,090 INFO L276 IsEmpty]: Start isEmpty. Operand 4837 states and 6994 transitions. [2022-12-14 04:50:26,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-12-14 04:50:26,092 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:50:26,092 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:50:26,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-14 04:50:26,092 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-12-14 04:50:26,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:50:26,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1723374698, now seen corresponding path program 1 times [2022-12-14 04:50:26,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:50:26,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346286195] [2022-12-14 04:50:26,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:50:26,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:50:26,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:50:26,434 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 04:50:26,434 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:50:26,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346286195] [2022-12-14 04:50:26,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346286195] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:50:26,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:50:26,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 04:50:26,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056705286] [2022-12-14 04:50:26,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:50:26,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:50:26,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:50:26,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:50:26,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:50:26,436 INFO L87 Difference]: Start difference. First operand 4837 states and 6994 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 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) [2022-12-14 04:50:29,291 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 [] [2022-12-14 04:50:32,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:50:32,287 INFO L93 Difference]: Finished difference Result 4837 states and 6994 transitions. [2022-12-14 04:50:32,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 04:50:32,288 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 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 133 [2022-12-14 04:50:32,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:50:32,299 INFO L225 Difference]: With dead ends: 4837 [2022-12-14 04:50:32,299 INFO L226 Difference]: Without dead ends: 4684 [2022-12-14 04:50:32,302 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 [2022-12-14 04:50:32,302 INFO L413 NwaCegarLoop]: 3705 mSDtfsCounter, 4188 mSDsluCounter, 3705 mSDsCounter, 0 mSdLazyCounter, 1031 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4188 SdHoareTripleChecker+Valid, 7410 SdHoareTripleChecker+Invalid, 1031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1031 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-12-14 04:50:32,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4188 Valid, 7410 Invalid, 1031 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1031 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-12-14 04:50:32,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4684 states. [2022-12-14 04:50:32,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4684 to 4684. [2022-12-14 04:50:32,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4684 states, 2731 states have (on average 1.328817283046503) internal successors, (3629), 2890 states have internal predecessors, (3629), 1583 states have call successors, (1583), 353 states have call predecessors, (1583), 350 states have return successors, (1591), 1510 states have call predecessors, (1591), 1582 states have call successors, (1591) [2022-12-14 04:50:32,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4684 states to 4684 states and 6803 transitions. [2022-12-14 04:50:32,801 INFO L78 Accepts]: Start accepts. Automaton has 4684 states and 6803 transitions. Word has length 133 [2022-12-14 04:50:32,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:50:32,802 INFO L495 AbstractCegarLoop]: Abstraction has 4684 states and 6803 transitions. [2022-12-14 04:50:32,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 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) [2022-12-14 04:50:32,802 INFO L276 IsEmpty]: Start isEmpty. Operand 4684 states and 6803 transitions. [2022-12-14 04:50:32,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-12-14 04:50:32,803 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:50:32,803 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 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] [2022-12-14 04:50:32,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-12-14 04:50:32,803 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-12-14 04:50:32,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:50:32,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1769912626, now seen corresponding path program 1 times [2022-12-14 04:50:32,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:50:32,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932170265] [2022-12-14 04:50:32,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:50:32,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:50:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:50:35,379 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2022-12-14 04:50:35,380 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:50:35,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932170265] [2022-12-14 04:50:35,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932170265] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:50:35,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:50:35,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-12-14 04:50:35,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773906134] [2022-12-14 04:50:35,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:50:35,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-14 04:50:35,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:50:35,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-14 04:50:35,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=239, Unknown=0, NotChecked=0, Total=272 [2022-12-14 04:50:35,381 INFO L87 Difference]: Start difference. First operand 4684 states and 6803 transitions. Second operand has 17 states, 11 states have (on average 6.818181818181818) internal successors, (75), 12 states have internal predecessors, (75), 6 states have call successors, (31), 3 states have call predecessors, (31), 5 states have return successors, (27), 7 states have call predecessors, (27), 5 states have call successors, (27) [2022-12-14 04:50:47,725 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 [] [2022-12-14 04:50:49,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:50:51,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:50:53,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:50:55,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:50:57,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:50:59,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:51:01,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:51:03,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:51:05,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:51:07,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:51:09,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:51:11,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:51:17,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:51:19,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:51:20,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:51:29,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:51:50,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:51:54,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:51:55,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:51:58,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:52:31,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:52:31,878 INFO L93 Difference]: Finished difference Result 9595 states and 14014 transitions. [2022-12-14 04:52:31,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-14 04:52:31,878 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 11 states have (on average 6.818181818181818) internal successors, (75), 12 states have internal predecessors, (75), 6 states have call successors, (31), 3 states have call predecessors, (31), 5 states have return successors, (27), 7 states have call predecessors, (27), 5 states have call successors, (27) Word has length 159 [2022-12-14 04:52:31,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:52:31,890 INFO L225 Difference]: With dead ends: 9595 [2022-12-14 04:52:31,890 INFO L226 Difference]: Without dead ends: 4928 [2022-12-14 04:52:31,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=667, Unknown=0, NotChecked=0, Total=756 [2022-12-14 04:52:31,901 INFO L413 NwaCegarLoop]: 2996 mSDtfsCounter, 921 mSDsluCounter, 27881 mSDsCounter, 0 mSdLazyCounter, 31320 mSolverCounterSat, 896 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 112.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1173 SdHoareTripleChecker+Valid, 30877 SdHoareTripleChecker+Invalid, 32225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 896 IncrementalHoareTripleChecker+Valid, 31320 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 115.2s IncrementalHoareTripleChecker+Time [2022-12-14 04:52:31,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1173 Valid, 30877 Invalid, 32225 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [896 Valid, 31320 Invalid, 9 Unknown, 0 Unchecked, 115.2s Time] [2022-12-14 04:52:31,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4928 states. [2022-12-14 04:52:32,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4928 to 4719. [2022-12-14 04:52:32,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4719 states, 2750 states have (on average 1.3276363636363637) internal successors, (3651), 2912 states have internal predecessors, (3651), 1592 states have call successors, (1592), 353 states have call predecessors, (1592), 357 states have return successors, (1616), 1523 states have call predecessors, (1616), 1591 states have call successors, (1616) [2022-12-14 04:52:32,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4719 states to 4719 states and 6859 transitions. [2022-12-14 04:52:32,459 INFO L78 Accepts]: Start accepts. Automaton has 4719 states and 6859 transitions. Word has length 159 [2022-12-14 04:52:32,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:52:32,459 INFO L495 AbstractCegarLoop]: Abstraction has 4719 states and 6859 transitions. [2022-12-14 04:52:32,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 11 states have (on average 6.818181818181818) internal successors, (75), 12 states have internal predecessors, (75), 6 states have call successors, (31), 3 states have call predecessors, (31), 5 states have return successors, (27), 7 states have call predecessors, (27), 5 states have call successors, (27) [2022-12-14 04:52:32,459 INFO L276 IsEmpty]: Start isEmpty. Operand 4719 states and 6859 transitions. [2022-12-14 04:52:32,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-12-14 04:52:32,461 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:52:32,461 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 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] [2022-12-14 04:52:32,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-12-14 04:52:32,461 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-12-14 04:52:32,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:52:32,461 INFO L85 PathProgramCache]: Analyzing trace with hash -158467076, now seen corresponding path program 1 times [2022-12-14 04:52:32,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:52:32,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109631925] [2022-12-14 04:52:32,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:52:32,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:52:32,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:52:33,042 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-14 04:52:33,042 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:52:33,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109631925] [2022-12-14 04:52:33,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109631925] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:52:33,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:52:33,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 04:52:33,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76845931] [2022-12-14 04:52:33,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:52:33,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 04:52:33,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:52:33,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 04:52:33,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 04:52:33,044 INFO L87 Difference]: Start difference. First operand 4719 states and 6859 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-14 04:52:36,062 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 [] [2022-12-14 04:52:40,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:52:40,719 INFO L93 Difference]: Finished difference Result 4738 states and 6877 transitions. [2022-12-14 04:52:40,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 04:52:40,720 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 153 [2022-12-14 04:52:40,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:52:40,729 INFO L225 Difference]: With dead ends: 4738 [2022-12-14 04:52:40,729 INFO L226 Difference]: Without dead ends: 4736 [2022-12-14 04:52:40,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 04:52:40,731 INFO L413 NwaCegarLoop]: 3842 mSDtfsCounter, 289 mSDsluCounter, 11282 mSDsCounter, 0 mSdLazyCounter, 2157 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 15124 SdHoareTripleChecker+Invalid, 2158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2157 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:52:40,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 15124 Invalid, 2158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2157 Invalid, 1 Unknown, 0 Unchecked, 7.0s Time] [2022-12-14 04:52:40,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4736 states. [2022-12-14 04:52:41,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4736 to 4732. [2022-12-14 04:52:41,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4732 states, 2759 states have (on average 1.3262051467923162) internal successors, (3659), 2921 states have internal predecessors, (3659), 1594 states have call successors, (1594), 356 states have call predecessors, (1594), 359 states have return successors, (1618), 1524 states have call predecessors, (1618), 1593 states have call successors, (1618) [2022-12-14 04:52:41,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4732 states to 4732 states and 6871 transitions. [2022-12-14 04:52:41,232 INFO L78 Accepts]: Start accepts. Automaton has 4732 states and 6871 transitions. Word has length 153 [2022-12-14 04:52:41,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:52:41,232 INFO L495 AbstractCegarLoop]: Abstraction has 4732 states and 6871 transitions. [2022-12-14 04:52:41,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-14 04:52:41,232 INFO L276 IsEmpty]: Start isEmpty. Operand 4732 states and 6871 transitions. [2022-12-14 04:52:41,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-12-14 04:52:41,236 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:52:41,236 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 6, 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] [2022-12-14 04:52:41,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-12-14 04:52:41,236 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-12-14 04:52:41,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:52:41,236 INFO L85 PathProgramCache]: Analyzing trace with hash -974033716, now seen corresponding path program 1 times [2022-12-14 04:52:41,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:52:41,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214560499] [2022-12-14 04:52:41,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:52:41,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:52:41,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:52:42,211 INFO L134 CoverageAnalysis]: Checked inductivity of 1238 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1238 trivial. 0 not checked. [2022-12-14 04:52:42,211 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:52:42,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214560499] [2022-12-14 04:52:42,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214560499] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:52:42,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:52:42,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 04:52:42,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83801385] [2022-12-14 04:52:42,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:52:42,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 04:52:42,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:52:42,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 04:52:42,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 04:52:42,213 INFO L87 Difference]: Start difference. First operand 4732 states and 6871 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-12-14 04:52:45,472 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 [] [2022-12-14 04:52:52,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:52:52,014 INFO L93 Difference]: Finished difference Result 11512 states and 16841 transitions. [2022-12-14 04:52:52,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 04:52:52,014 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 283 [2022-12-14 04:52:52,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:52:52,030 INFO L225 Difference]: With dead ends: 11512 [2022-12-14 04:52:52,030 INFO L226 Difference]: Without dead ends: 7173 [2022-12-14 04:52:52,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 04:52:52,039 INFO L413 NwaCegarLoop]: 4670 mSDtfsCounter, 3879 mSDsluCounter, 12571 mSDsCounter, 0 mSdLazyCounter, 2150 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3882 SdHoareTripleChecker+Valid, 17241 SdHoareTripleChecker+Invalid, 2155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2150 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-12-14 04:52:52,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3882 Valid, 17241 Invalid, 2155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2150 Invalid, 1 Unknown, 0 Unchecked, 8.7s Time] [2022-12-14 04:52:52,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7173 states. [2022-12-14 04:52:52,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7173 to 7150. [2022-12-14 04:52:52,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7150 states, 4172 states have (on average 1.3362895493767977) internal successors, (5575), 4425 states have internal predecessors, (5575), 2452 states have call successors, (2452), 504 states have call predecessors, (2452), 506 states have return successors, (2495), 2333 states have call predecessors, (2495), 2451 states have call successors, (2495) [2022-12-14 04:52:52,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7150 states to 7150 states and 10522 transitions. [2022-12-14 04:52:52,906 INFO L78 Accepts]: Start accepts. Automaton has 7150 states and 10522 transitions. Word has length 283 [2022-12-14 04:52:52,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:52:52,906 INFO L495 AbstractCegarLoop]: Abstraction has 7150 states and 10522 transitions. [2022-12-14 04:52:52,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-12-14 04:52:52,907 INFO L276 IsEmpty]: Start isEmpty. Operand 7150 states and 10522 transitions. [2022-12-14 04:52:52,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2022-12-14 04:52:52,911 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:52:52,911 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 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] [2022-12-14 04:52:52,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-12-14 04:52:52,911 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-12-14 04:52:52,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:52:52,911 INFO L85 PathProgramCache]: Analyzing trace with hash 241045639, now seen corresponding path program 1 times [2022-12-14 04:52:52,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:52:52,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834007473] [2022-12-14 04:52:52,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:52:52,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:52:53,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:52:53,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1383 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1383 trivial. 0 not checked. [2022-12-14 04:52:53,201 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:52:53,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834007473] [2022-12-14 04:52:53,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834007473] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:52:53,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:52:53,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:52:53,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499508342] [2022-12-14 04:52:53,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:52:53,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:52:53,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:52:53,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:52:53,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:52:53,203 INFO L87 Difference]: Start difference. First operand 7150 states and 10522 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, (35), 2 states have call predecessors, (35), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2022-12-14 04:52:55,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:52:56,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:52:59,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:52:59,856 INFO L93 Difference]: Finished difference Result 13951 states and 20548 transitions. [2022-12-14 04:52:59,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:52:59,856 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, (35), 2 states have call predecessors, (35), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 290 [2022-12-14 04:52:59,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:52:59,873 INFO L225 Difference]: With dead ends: 13951 [2022-12-14 04:52:59,873 INFO L226 Difference]: Without dead ends: 7194 [2022-12-14 04:52:59,885 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 [2022-12-14 04:52:59,886 INFO L413 NwaCegarLoop]: 3662 mSDtfsCounter, 57 mSDsluCounter, 3600 mSDsCounter, 0 mSdLazyCounter, 1031 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 7262 SdHoareTripleChecker+Invalid, 1032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1031 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-12-14 04:52:59,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 7262 Invalid, 1032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1031 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-12-14 04:52:59,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7194 states. [2022-12-14 04:53:00,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7194 to 7152. [2022-12-14 04:53:00,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7152 states, 4174 states have (on average 1.3361284139913752) internal successors, (5577), 4427 states have internal predecessors, (5577), 2452 states have call successors, (2452), 504 states have call predecessors, (2452), 506 states have return successors, (2495), 2333 states have call predecessors, (2495), 2451 states have call successors, (2495) [2022-12-14 04:53:00,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7152 states to 7152 states and 10524 transitions. [2022-12-14 04:53:00,854 INFO L78 Accepts]: Start accepts. Automaton has 7152 states and 10524 transitions. Word has length 290 [2022-12-14 04:53:00,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:53:00,854 INFO L495 AbstractCegarLoop]: Abstraction has 7152 states and 10524 transitions. [2022-12-14 04:53:00,854 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, (35), 2 states have call predecessors, (35), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2022-12-14 04:53:00,854 INFO L276 IsEmpty]: Start isEmpty. Operand 7152 states and 10524 transitions. [2022-12-14 04:53:00,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2022-12-14 04:53:00,858 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:53:00,858 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 6, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:53:00,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-12-14 04:53:00,859 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-12-14 04:53:00,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:53:00,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1820172130, now seen corresponding path program 1 times [2022-12-14 04:53:00,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:53:00,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565103794] [2022-12-14 04:53:00,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:53:00,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:53:00,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:53:01,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1248 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1248 trivial. 0 not checked. [2022-12-14 04:53:01,952 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:53:01,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565103794] [2022-12-14 04:53:01,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565103794] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:53:01,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:53:01,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 04:53:01,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627557845] [2022-12-14 04:53:01,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:53:01,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 04:53:01,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:53:01,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 04:53:01,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 04:53:01,954 INFO L87 Difference]: Start difference. First operand 7152 states and 10524 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-12-14 04:53:05,352 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 [] [2022-12-14 04:53:11,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:53:11,522 INFO L93 Difference]: Finished difference Result 7175 states and 10542 transitions. [2022-12-14 04:53:11,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 04:53:11,522 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 290 [2022-12-14 04:53:11,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:53:11,537 INFO L225 Difference]: With dead ends: 7175 [2022-12-14 04:53:11,538 INFO L226 Difference]: Without dead ends: 7173 [2022-12-14 04:53:11,539 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 04:53:11,540 INFO L413 NwaCegarLoop]: 4668 mSDtfsCounter, 3877 mSDsluCounter, 12576 mSDsCounter, 0 mSdLazyCounter, 2144 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3878 SdHoareTripleChecker+Valid, 17244 SdHoareTripleChecker+Invalid, 2146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2144 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-12-14 04:53:11,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3878 Valid, 17244 Invalid, 2146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2144 Invalid, 1 Unknown, 0 Unchecked, 8.4s Time] [2022-12-14 04:53:11,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7173 states. [2022-12-14 04:53:12,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7173 to 7152. [2022-12-14 04:53:12,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7152 states, 4174 states have (on average 1.3358888356492573) internal successors, (5576), 4427 states have internal predecessors, (5576), 2452 states have call successors, (2452), 504 states have call predecessors, (2452), 506 states have return successors, (2495), 2333 states have call predecessors, (2495), 2451 states have call successors, (2495) [2022-12-14 04:53:12,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7152 states to 7152 states and 10523 transitions. [2022-12-14 04:53:12,394 INFO L78 Accepts]: Start accepts. Automaton has 7152 states and 10523 transitions. Word has length 290 [2022-12-14 04:53:12,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:53:12,394 INFO L495 AbstractCegarLoop]: Abstraction has 7152 states and 10523 transitions. [2022-12-14 04:53:12,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-12-14 04:53:12,395 INFO L276 IsEmpty]: Start isEmpty. Operand 7152 states and 10523 transitions. [2022-12-14 04:53:12,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2022-12-14 04:53:12,399 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:53:12,399 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 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] [2022-12-14 04:53:12,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-12-14 04:53:12,399 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-12-14 04:53:12,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:53:12,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1677019166, now seen corresponding path program 1 times [2022-12-14 04:53:12,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:53:12,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209598471] [2022-12-14 04:53:12,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:53:12,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:53:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:53:13,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1383 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1383 trivial. 0 not checked. [2022-12-14 04:53:13,030 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:53:13,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209598471] [2022-12-14 04:53:13,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209598471] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:53:13,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:53:13,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 04:53:13,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210369062] [2022-12-14 04:53:13,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:53:13,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 04:53:13,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:53:13,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 04:53:13,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 04:53:13,032 INFO L87 Difference]: Start difference. First operand 7152 states and 10523 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-12-14 04:53:16,269 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 [] [2022-12-14 04:53:20,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:53:20,892 INFO L93 Difference]: Finished difference Result 7193 states and 10557 transitions. [2022-12-14 04:53:20,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 04:53:20,893 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 291 [2022-12-14 04:53:20,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:53:20,909 INFO L225 Difference]: With dead ends: 7193 [2022-12-14 04:53:20,909 INFO L226 Difference]: Without dead ends: 7191 [2022-12-14 04:53:20,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 04:53:20,911 INFO L413 NwaCegarLoop]: 4023 mSDtfsCounter, 3886 mSDsluCounter, 9242 mSDsCounter, 0 mSdLazyCounter, 1834 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3888 SdHoareTripleChecker+Valid, 13265 SdHoareTripleChecker+Invalid, 1838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1834 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-12-14 04:53:20,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3888 Valid, 13265 Invalid, 1838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1834 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2022-12-14 04:53:20,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7191 states. [2022-12-14 04:53:21,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7191 to 7174. [2022-12-14 04:53:21,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7174 states, 4190 states have (on average 1.3350835322195704) internal successors, (5594), 4443 states have internal predecessors, (5594), 2452 states have call successors, (2452), 510 states have call predecessors, (2452), 512 states have return successors, (2495), 2333 states have call predecessors, (2495), 2451 states have call successors, (2495) [2022-12-14 04:53:21,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7174 states to 7174 states and 10541 transitions. [2022-12-14 04:53:21,832 INFO L78 Accepts]: Start accepts. Automaton has 7174 states and 10541 transitions. Word has length 291 [2022-12-14 04:53:21,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:53:21,832 INFO L495 AbstractCegarLoop]: Abstraction has 7174 states and 10541 transitions. [2022-12-14 04:53:21,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-12-14 04:53:21,832 INFO L276 IsEmpty]: Start isEmpty. Operand 7174 states and 10541 transitions. [2022-12-14 04:53:21,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-12-14 04:53:21,837 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:53:21,837 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:53:21,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-12-14 04:53:21,837 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-12-14 04:53:21,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:53:21,838 INFO L85 PathProgramCache]: Analyzing trace with hash -244033961, now seen corresponding path program 1 times [2022-12-14 04:53:21,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:53:21,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367686763] [2022-12-14 04:53:21,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:53:21,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:53:21,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:53:22,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1458 trivial. 0 not checked. [2022-12-14 04:53:22,395 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:53:22,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367686763] [2022-12-14 04:53:22,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367686763] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:53:22,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:53:22,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 04:53:22,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491534273] [2022-12-14 04:53:22,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:53:22,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 04:53:22,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:53:22,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 04:53:22,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 04:53:22,397 INFO L87 Difference]: Start difference. First operand 7174 states and 10541 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2022-12-14 04:53:25,923 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 [] [2022-12-14 04:53:30,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:53:30,559 INFO L93 Difference]: Finished difference Result 7176 states and 10542 transitions. [2022-12-14 04:53:30,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 04:53:30,560 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 304 [2022-12-14 04:53:30,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:53:30,575 INFO L225 Difference]: With dead ends: 7176 [2022-12-14 04:53:30,575 INFO L226 Difference]: Without dead ends: 7174 [2022-12-14 04:53:30,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 04:53:30,577 INFO L413 NwaCegarLoop]: 3656 mSDtfsCounter, 16 mSDsluCounter, 10958 mSDsCounter, 0 mSdLazyCounter, 2063 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 14614 SdHoareTripleChecker+Invalid, 2065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2063 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-12-14 04:53:30,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 14614 Invalid, 2065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2063 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2022-12-14 04:53:30,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7174 states. [2022-12-14 04:53:31,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7174 to 7174. [2022-12-14 04:53:31,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7174 states, 4190 states have (on average 1.3346062052505967) internal successors, (5592), 4443 states have internal predecessors, (5592), 2452 states have call successors, (2452), 510 states have call predecessors, (2452), 512 states have return successors, (2495), 2333 states have call predecessors, (2495), 2451 states have call successors, (2495) [2022-12-14 04:53:31,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7174 states to 7174 states and 10539 transitions. [2022-12-14 04:53:31,465 INFO L78 Accepts]: Start accepts. Automaton has 7174 states and 10539 transitions. Word has length 304 [2022-12-14 04:53:31,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:53:31,465 INFO L495 AbstractCegarLoop]: Abstraction has 7174 states and 10539 transitions. [2022-12-14 04:53:31,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2022-12-14 04:53:31,466 INFO L276 IsEmpty]: Start isEmpty. Operand 7174 states and 10539 transitions. [2022-12-14 04:53:31,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2022-12-14 04:53:31,470 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:53:31,470 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 6, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:53:31,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-12-14 04:53:31,471 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-12-14 04:53:31,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:53:31,471 INFO L85 PathProgramCache]: Analyzing trace with hash -456146315, now seen corresponding path program 1 times [2022-12-14 04:53:31,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:53:31,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054388457] [2022-12-14 04:53:31,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:53:31,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:53:31,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:53:32,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1242 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1242 trivial. 0 not checked. [2022-12-14 04:53:32,259 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:53:32,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054388457] [2022-12-14 04:53:32,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054388457] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:53:32,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:53:32,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 04:53:32,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184563943] [2022-12-14 04:53:32,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:53:32,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 04:53:32,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:53:32,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 04:53:32,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 04:53:32,261 INFO L87 Difference]: Start difference. First operand 7174 states and 10539 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-12-14 04:53:35,375 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 [] [2022-12-14 04:53:39,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:53:39,982 INFO L93 Difference]: Finished difference Result 9028 states and 13116 transitions. [2022-12-14 04:53:39,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 04:53:39,982 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 303 [2022-12-14 04:53:39,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:53:40,001 INFO L225 Difference]: With dead ends: 9028 [2022-12-14 04:53:40,001 INFO L226 Difference]: Without dead ends: 9026 [2022-12-14 04:53:40,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 04:53:40,004 INFO L413 NwaCegarLoop]: 4159 mSDtfsCounter, 4046 mSDsluCounter, 9504 mSDsCounter, 0 mSdLazyCounter, 1914 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4048 SdHoareTripleChecker+Valid, 13663 SdHoareTripleChecker+Invalid, 1918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1914 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-12-14 04:53:40,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4048 Valid, 13663 Invalid, 1918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1914 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2022-12-14 04:53:40,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9026 states. [2022-12-14 04:53:41,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9026 to 8887. [2022-12-14 04:53:41,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8887 states, 5182 states have (on average 1.3280586646082593) internal successors, (6882), 5475 states have internal predecessors, (6882), 3013 states have call successors, (3013), 670 states have call predecessors, (3013), 672 states have return successors, (3080), 2876 states have call predecessors, (3080), 3012 states have call successors, (3080) [2022-12-14 04:53:41,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8887 states to 8887 states and 12975 transitions. [2022-12-14 04:53:41,049 INFO L78 Accepts]: Start accepts. Automaton has 8887 states and 12975 transitions. Word has length 303 [2022-12-14 04:53:41,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:53:41,049 INFO L495 AbstractCegarLoop]: Abstraction has 8887 states and 12975 transitions. [2022-12-14 04:53:41,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-12-14 04:53:41,049 INFO L276 IsEmpty]: Start isEmpty. Operand 8887 states and 12975 transitions. [2022-12-14 04:53:41,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2022-12-14 04:53:41,055 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:53:41,055 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 7, 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] [2022-12-14 04:53:41,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-12-14 04:53:41,056 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-12-14 04:53:41,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:53:41,056 INFO L85 PathProgramCache]: Analyzing trace with hash -840073587, now seen corresponding path program 1 times [2022-12-14 04:53:41,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:53:41,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268536766] [2022-12-14 04:53:41,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:53:41,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:53:41,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:53:43,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1501 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1495 trivial. 0 not checked. [2022-12-14 04:53:43,002 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:53:43,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268536766] [2022-12-14 04:53:43,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268536766] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:53:43,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:53:43,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 04:53:43,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922991530] [2022-12-14 04:53:43,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:53:43,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:53:43,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:53:43,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:53:43,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:53:43,004 INFO L87 Difference]: Start difference. First operand 8887 states and 12975 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-12-14 04:53:46,109 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 [] [2022-12-14 04:53:51,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:53:51,607 INFO L93 Difference]: Finished difference Result 14856 states and 21958 transitions. [2022-12-14 04:53:51,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 04:53:51,608 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 325 [2022-12-14 04:53:51,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:53:51,631 INFO L225 Difference]: With dead ends: 14856 [2022-12-14 04:53:51,631 INFO L226 Difference]: Without dead ends: 11243 [2022-12-14 04:53:51,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 04:53:51,639 INFO L413 NwaCegarLoop]: 4209 mSDtfsCounter, 848 mSDsluCounter, 7795 mSDsCounter, 0 mSdLazyCounter, 1694 mSolverCounterSat, 348 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 971 SdHoareTripleChecker+Valid, 12004 SdHoareTripleChecker+Invalid, 2043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 348 IncrementalHoareTripleChecker+Valid, 1694 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-12-14 04:53:51,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [971 Valid, 12004 Invalid, 2043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [348 Valid, 1694 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2022-12-14 04:53:51,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11243 states. [2022-12-14 04:53:52,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11243 to 8889. [2022-12-14 04:53:52,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8889 states, 5184 states have (on average 1.3279320987654322) internal successors, (6884), 5477 states have internal predecessors, (6884), 3013 states have call successors, (3013), 670 states have call predecessors, (3013), 672 states have return successors, (3080), 2876 states have call predecessors, (3080), 3012 states have call successors, (3080) [2022-12-14 04:53:52,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8889 states to 8889 states and 12977 transitions. [2022-12-14 04:53:52,771 INFO L78 Accepts]: Start accepts. Automaton has 8889 states and 12977 transitions. Word has length 325 [2022-12-14 04:53:52,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:53:52,772 INFO L495 AbstractCegarLoop]: Abstraction has 8889 states and 12977 transitions. [2022-12-14 04:53:52,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-12-14 04:53:52,772 INFO L276 IsEmpty]: Start isEmpty. Operand 8889 states and 12977 transitions. [2022-12-14 04:53:52,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2022-12-14 04:53:52,779 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:53:52,779 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 6, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:53:52,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-12-14 04:53:52,780 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-12-14 04:53:52,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:53:52,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1875563808, now seen corresponding path program 1 times [2022-12-14 04:53:52,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:53:52,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364731414] [2022-12-14 04:53:52,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:53:52,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:53:52,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:53:53,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1311 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1311 trivial. 0 not checked. [2022-12-14 04:53:53,415 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:53:53,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364731414] [2022-12-14 04:53:53,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364731414] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:53:53,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:53:53,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 04:53:53,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023847368] [2022-12-14 04:53:53,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:53:53,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 04:53:53,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:53:53,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 04:53:53,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 04:53:53,416 INFO L87 Difference]: Start difference. First operand 8889 states and 12977 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-12-14 04:53:57,231 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 [] [2022-12-14 04:53:59,808 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 [] [2022-12-14 04:54:05,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:54:05,238 INFO L93 Difference]: Finished difference Result 8895 states and 12981 transitions. [2022-12-14 04:54:05,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 04:54:05,239 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 321 [2022-12-14 04:54:05,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:54:05,256 INFO L225 Difference]: With dead ends: 8895 [2022-12-14 04:54:05,256 INFO L226 Difference]: Without dead ends: 8893 [2022-12-14 04:54:05,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 04:54:05,259 INFO L413 NwaCegarLoop]: 3657 mSDtfsCounter, 20 mSDsluCounter, 10945 mSDsCounter, 0 mSdLazyCounter, 2063 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 14602 SdHoareTripleChecker+Invalid, 2066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2063 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-12-14 04:54:05,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 14602 Invalid, 2066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2063 Invalid, 2 Unknown, 0 Unchecked, 10.4s Time] [2022-12-14 04:54:05,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8893 states. [2022-12-14 04:54:06,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8893 to 8893. [2022-12-14 04:54:06,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8893 states, 5187 states have (on average 1.3269712743396953) internal successors, (6883), 5479 states have internal predecessors, (6883), 3013 states have call successors, (3013), 672 states have call predecessors, (3013), 674 states have return successors, (3080), 2876 states have call predecessors, (3080), 3012 states have call successors, (3080) [2022-12-14 04:54:06,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8893 states to 8893 states and 12976 transitions. [2022-12-14 04:54:06,427 INFO L78 Accepts]: Start accepts. Automaton has 8893 states and 12976 transitions. Word has length 321 [2022-12-14 04:54:06,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:54:06,427 INFO L495 AbstractCegarLoop]: Abstraction has 8893 states and 12976 transitions. [2022-12-14 04:54:06,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-12-14 04:54:06,428 INFO L276 IsEmpty]: Start isEmpty. Operand 8893 states and 12976 transitions. [2022-12-14 04:54:06,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2022-12-14 04:54:06,442 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:54:06,442 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 6, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:54:06,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-12-14 04:54:06,442 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-12-14 04:54:06,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:54:06,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1956356010, now seen corresponding path program 1 times [2022-12-14 04:54:06,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:54:06,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350123979] [2022-12-14 04:54:06,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:54:06,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:54:06,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:54:07,592 INFO L134 CoverageAnalysis]: Checked inductivity of 1294 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 1272 trivial. 0 not checked. [2022-12-14 04:54:07,592 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:54:07,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350123979] [2022-12-14 04:54:07,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350123979] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:54:07,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:54:07,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 04:54:07,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969554930] [2022-12-14 04:54:07,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:54:07,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:54:07,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:54:07,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:54:07,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:54:07,594 INFO L87 Difference]: Start difference. First operand 8893 states and 12976 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-12-14 04:54:11,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:54:15,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:54:15,945 INFO L93 Difference]: Finished difference Result 17334 states and 25338 transitions. [2022-12-14 04:54:15,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 04:54:15,946 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 336 [2022-12-14 04:54:15,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:54:15,967 INFO L225 Difference]: With dead ends: 17334 [2022-12-14 04:54:15,967 INFO L226 Difference]: Without dead ends: 8834 [2022-12-14 04:54:15,987 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 [2022-12-14 04:54:15,987 INFO L413 NwaCegarLoop]: 3644 mSDtfsCounter, 43 mSDsluCounter, 7231 mSDsCounter, 0 mSdLazyCounter, 1536 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 10875 SdHoareTripleChecker+Invalid, 1552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-12-14 04:54:15,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 10875 Invalid, 1552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1536 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2022-12-14 04:54:15,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8834 states. [2022-12-14 04:54:17,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8834 to 8834. [2022-12-14 04:54:17,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8834 states, 5152 states have (on average 1.3268633540372672) internal successors, (6836), 5443 states have internal predecessors, (6836), 2997 states have call successors, (2997), 664 states have call predecessors, (2997), 666 states have return successors, (3064), 2861 states have call predecessors, (3064), 2996 states have call successors, (3064) [2022-12-14 04:54:17,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8834 states to 8834 states and 12897 transitions. [2022-12-14 04:54:17,176 INFO L78 Accepts]: Start accepts. Automaton has 8834 states and 12897 transitions. Word has length 336 [2022-12-14 04:54:17,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:54:17,177 INFO L495 AbstractCegarLoop]: Abstraction has 8834 states and 12897 transitions. [2022-12-14 04:54:17,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-12-14 04:54:17,177 INFO L276 IsEmpty]: Start isEmpty. Operand 8834 states and 12897 transitions. [2022-12-14 04:54:17,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2022-12-14 04:54:17,191 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:54:17,191 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 6, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:54:17,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-12-14 04:54:17,192 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-12-14 04:54:17,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:54:17,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1252355509, now seen corresponding path program 1 times [2022-12-14 04:54:17,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:54:17,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503997713] [2022-12-14 04:54:17,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:54:17,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:54:17,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:54:20,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1313 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 1291 trivial. 0 not checked. [2022-12-14 04:54:20,223 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:54:20,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503997713] [2022-12-14 04:54:20,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503997713] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 04:54:20,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1629269096] [2022-12-14 04:54:20,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:54:20,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:54:20,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:54:20,225 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:54:20,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6d49004-766e-4779-b157-c4cdfa2fc2e8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 04:54:21,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:54:21,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 6088 conjuncts, 61 conjunts are in the unsatisfiable core [2022-12-14 04:54:21,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:54:22,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1313 backedges. 65 proven. 7 refuted. 0 times theorem prover too weak. 1241 trivial. 0 not checked. [2022-12-14 04:54:22,223 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 04:54:24,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1313 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 1288 trivial. 0 not checked. [2022-12-14 04:54:24,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1629269096] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 04:54:24,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [947055954] [2022-12-14 04:54:24,050 INFO L159 IcfgInterpreter]: Started Sifa with 133 locations of interest [2022-12-14 04:54:24,050 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 04:54:24,053 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 04:54:24,056 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 04:54:24,057 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 04:54:43,065 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 [2022-12-14 04:54:44,054 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 [2022-12-14 04:54:49,293 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 [2022-12-14 04:54:50,555 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 [2022-12-14 04:54:50,743 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 [2022-12-14 04:54:51,736 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 [2022-12-14 04:54:52,794 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 [2022-12-14 04:58:20,373 WARN L233 SmtUtils]: Spent 13.42s on a formula simplification. DAG size of input: 6402 DAG size of output: 6402 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-12-14 04:58:27,324 WARN L233 SmtUtils]: Spent 6.77s on a formula simplification that was a NOOP. DAG size: 6752 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-12-14 04:58:44,128 WARN L233 SmtUtils]: Spent 13.42s on a formula simplification. DAG size of input: 6402 DAG size of output: 6402 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-12-14 04:58:51,015 WARN L233 SmtUtils]: Spent 6.77s on a formula simplification that was a NOOP. DAG size: 6752 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-12-14 04:59:07,792 WARN L233 SmtUtils]: Spent 13.40s on a formula simplification. DAG size of input: 6402 DAG size of output: 6402 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-12-14 04:59:14,681 WARN L233 SmtUtils]: Spent 6.77s on a formula simplification that was a NOOP. DAG size: 6752 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-12-14 04:59:31,458 WARN L233 SmtUtils]: Spent 13.42s on a formula simplification. DAG size of input: 6402 DAG size of output: 6402 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-12-14 04:59:38,345 WARN L233 SmtUtils]: Spent 6.77s on a formula simplification that was a NOOP. DAG size: 6752 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-12-14 04:59:58,640 WARN L233 SmtUtils]: Spent 6.70s on a formula simplification that was a NOOP. DAG size: 6425 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)