./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--usb--musb--musb_hdrc.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/bin/utaipan-7li7fVZpFI --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 d20af067bf51a1b8f272ec7cce842839d60ff9624fa9abf10d45161ed1df40b3 --- 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-5e519f3 [2022-11-03 03:34:14,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:34:14,541 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:34:14,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:34:14,567 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:34:14,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:34:14,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:34:14,571 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:34:14,573 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:34:14,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:34:14,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:34:14,575 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:34:14,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:34:14,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:34:14,578 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:34:14,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:34:14,579 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:34:14,580 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:34:14,582 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:34:14,583 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:34:14,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:34:14,586 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:34:14,587 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:34:14,588 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:34:14,591 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:34:14,592 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:34:14,592 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:34:14,593 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:34:14,593 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:34:14,594 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:34:14,595 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:34:14,595 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:34:14,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:34:14,597 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:34:14,598 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:34:14,598 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:34:14,599 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:34:14,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:34:14,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:34:14,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:34:14,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:34:14,602 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 03:34:14,638 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:34:14,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:34:14,640 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:34:14,640 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:34:14,641 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:34:14,641 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:34:14,641 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:34:14,641 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:34:14,642 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:34:14,642 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:34:14,643 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:34:14,643 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:34:14,643 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:34:14,643 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:34:14,643 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:34:14,644 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:34:14,644 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:34:14,644 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:34:14,645 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:34:14,645 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:34:14,645 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:34:14,645 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:34:14,645 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:34:14,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:34:14,646 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:34:14,646 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:34:14,646 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:34:14,646 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:34:14,647 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:34:14,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:34:14,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:34:14,647 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:34:14,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:34:14,648 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:34:14,648 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:34:14,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:34:14,648 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:34:14,648 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:34:14,648 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_fd2069f5-893f-4f76-91e0-efd7568e2084/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d20af067bf51a1b8f272ec7cce842839d60ff9624fa9abf10d45161ed1df40b3 [2022-11-03 03:34:14,910 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:34:14,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:34:14,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:34:14,944 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:34:14,945 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:34:14,946 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i [2022-11-03 03:34:15,019 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/bin/utaipan-7li7fVZpFI/data/da7b802ac/d9e750d0909d47529b2720b07f677a62/FLAG2c2854ecf [2022-11-03 03:34:16,054 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:34:16,055 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i [2022-11-03 03:34:16,146 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/bin/utaipan-7li7fVZpFI/data/da7b802ac/d9e750d0909d47529b2720b07f677a62/FLAG2c2854ecf [2022-11-03 03:34:16,331 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/bin/utaipan-7li7fVZpFI/data/da7b802ac/d9e750d0909d47529b2720b07f677a62 [2022-11-03 03:34:16,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:34:16,334 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:34:16,336 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:34:16,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:34:16,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:34:16,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:34:16" (1/1) ... [2022-11-03 03:34:16,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27f73115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:16, skipping insertion in model container [2022-11-03 03:34:16,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:34:16" (1/1) ... [2022-11-03 03:34:16,349 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:34:16,609 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:34:25,574 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744404,744417] [2022-11-03 03:34:25,578 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744549,744562] [2022-11-03 03:34:25,578 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744695,744708] [2022-11-03 03:34:25,579 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744860,744873] [2022-11-03 03:34:25,580 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745018,745031] [2022-11-03 03:34:25,586 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745176,745189] [2022-11-03 03:34:25,587 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745334,745347] [2022-11-03 03:34:25,588 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745494,745507] [2022-11-03 03:34:25,590 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745653,745666] [2022-11-03 03:34:25,591 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745792,745805] [2022-11-03 03:34:25,592 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745934,745947] [2022-11-03 03:34:25,593 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746083,746096] [2022-11-03 03:34:25,593 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746222,746235] [2022-11-03 03:34:25,594 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746377,746390] [2022-11-03 03:34:25,594 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746537,746550] [2022-11-03 03:34:25,597 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746688,746701] [2022-11-03 03:34:25,598 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746839,746852] [2022-11-03 03:34:25,605 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746991,747004] [2022-11-03 03:34:25,606 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747140,747153] [2022-11-03 03:34:25,609 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747288,747301] [2022-11-03 03:34:25,611 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747445,747458] [2022-11-03 03:34:25,611 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747594,747607] [2022-11-03 03:34:25,612 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747750,747763] [2022-11-03 03:34:25,613 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747903,747916] [2022-11-03 03:34:25,614 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748049,748062] [2022-11-03 03:34:25,614 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748192,748205] [2022-11-03 03:34:25,615 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748344,748357] [2022-11-03 03:34:25,616 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748490,748503] [2022-11-03 03:34:25,616 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748635,748648] [2022-11-03 03:34:25,617 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748789,748802] [2022-11-03 03:34:25,619 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748940,748953] [2022-11-03 03:34:25,622 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749095,749108] [2022-11-03 03:34:25,623 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749247,749260] [2022-11-03 03:34:25,624 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749402,749415] [2022-11-03 03:34:25,624 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749566,749579] [2022-11-03 03:34:25,625 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749722,749735] [2022-11-03 03:34:25,626 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749886,749899] [2022-11-03 03:34:25,626 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750028,750041] [2022-11-03 03:34:25,627 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750186,750199] [2022-11-03 03:34:25,629 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750353,750366] [2022-11-03 03:34:25,629 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750512,750525] [2022-11-03 03:34:25,631 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750671,750684] [2022-11-03 03:34:25,631 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750820,750833] [2022-11-03 03:34:25,632 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750967,750980] [2022-11-03 03:34:25,632 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751106,751119] [2022-11-03 03:34:25,633 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751269,751282] [2022-11-03 03:34:25,633 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751435,751448] [2022-11-03 03:34:25,635 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751599,751612] [2022-11-03 03:34:25,636 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751764,751777] [2022-11-03 03:34:25,636 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751929,751942] [2022-11-03 03:34:25,637 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752095,752108] [2022-11-03 03:34:25,638 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752260,752273] [2022-11-03 03:34:25,639 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752427,752440] [2022-11-03 03:34:25,639 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752587,752600] [2022-11-03 03:34:25,640 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752749,752762] [2022-11-03 03:34:25,641 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752908,752921] [2022-11-03 03:34:25,641 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753054,753067] [2022-11-03 03:34:25,642 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753197,753210] [2022-11-03 03:34:25,642 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753341,753354] [2022-11-03 03:34:25,643 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753484,753497] [2022-11-03 03:34:25,643 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753628,753641] [2022-11-03 03:34:25,645 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753769,753782] [2022-11-03 03:34:25,645 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753907,753920] [2022-11-03 03:34:25,651 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754065,754078] [2022-11-03 03:34:25,652 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754224,754237] [2022-11-03 03:34:25,652 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754380,754393] [2022-11-03 03:34:25,653 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754529,754542] [2022-11-03 03:34:25,653 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754681,754694] [2022-11-03 03:34:25,654 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754832,754845] [2022-11-03 03:34:25,654 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754981,754994] [2022-11-03 03:34:25,654 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755133,755146] [2022-11-03 03:34:25,655 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755281,755294] [2022-11-03 03:34:25,656 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755434,755447] [2022-11-03 03:34:25,656 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755585,755598] [2022-11-03 03:34:25,657 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755735,755748] [2022-11-03 03:34:25,657 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755882,755895] [2022-11-03 03:34:25,657 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756033,756046] [2022-11-03 03:34:25,658 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756184,756197] [2022-11-03 03:34:25,658 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756332,756345] [2022-11-03 03:34:25,659 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756498,756511] [2022-11-03 03:34:25,660 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756667,756680] [2022-11-03 03:34:25,660 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756834,756847] [2022-11-03 03:34:25,661 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757002,757015] [2022-11-03 03:34:25,661 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757152,757165] [2022-11-03 03:34:25,663 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757299,757312] [2022-11-03 03:34:25,663 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757460,757473] [2022-11-03 03:34:25,664 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757630,757643] [2022-11-03 03:34:25,664 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757792,757805] [2022-11-03 03:34:25,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:34:25,745 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:34:26,656 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744404,744417] [2022-11-03 03:34:26,660 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744549,744562] [2022-11-03 03:34:26,661 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744695,744708] [2022-11-03 03:34:26,662 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744860,744873] [2022-11-03 03:34:26,662 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745018,745031] [2022-11-03 03:34:26,662 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745176,745189] [2022-11-03 03:34:26,663 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745334,745347] [2022-11-03 03:34:26,663 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745494,745507] [2022-11-03 03:34:26,664 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745653,745666] [2022-11-03 03:34:26,664 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745792,745805] [2022-11-03 03:34:26,665 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745934,745947] [2022-11-03 03:34:26,666 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746083,746096] [2022-11-03 03:34:26,666 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746222,746235] [2022-11-03 03:34:26,667 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746377,746390] [2022-11-03 03:34:26,667 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746537,746550] [2022-11-03 03:34:26,667 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746688,746701] [2022-11-03 03:34:26,668 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746839,746852] [2022-11-03 03:34:26,668 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746991,747004] [2022-11-03 03:34:26,668 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747140,747153] [2022-11-03 03:34:26,669 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747288,747301] [2022-11-03 03:34:26,669 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747445,747458] [2022-11-03 03:34:26,670 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747594,747607] [2022-11-03 03:34:26,670 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747750,747763] [2022-11-03 03:34:26,671 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747903,747916] [2022-11-03 03:34:26,671 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748049,748062] [2022-11-03 03:34:26,672 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748192,748205] [2022-11-03 03:34:26,672 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748344,748357] [2022-11-03 03:34:26,673 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748490,748503] [2022-11-03 03:34:26,673 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748635,748648] [2022-11-03 03:34:26,674 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748789,748802] [2022-11-03 03:34:26,674 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748940,748953] [2022-11-03 03:34:26,675 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749095,749108] [2022-11-03 03:34:26,675 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749247,749260] [2022-11-03 03:34:26,676 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749402,749415] [2022-11-03 03:34:26,676 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749566,749579] [2022-11-03 03:34:26,677 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749722,749735] [2022-11-03 03:34:26,677 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749886,749899] [2022-11-03 03:34:26,678 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750028,750041] [2022-11-03 03:34:26,679 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750186,750199] [2022-11-03 03:34:26,679 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750353,750366] [2022-11-03 03:34:26,680 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750512,750525] [2022-11-03 03:34:26,681 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750671,750684] [2022-11-03 03:34:26,681 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750820,750833] [2022-11-03 03:34:26,682 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750967,750980] [2022-11-03 03:34:26,682 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751106,751119] [2022-11-03 03:34:26,682 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751269,751282] [2022-11-03 03:34:26,683 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751435,751448] [2022-11-03 03:34:26,683 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751599,751612] [2022-11-03 03:34:26,684 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751764,751777] [2022-11-03 03:34:26,684 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751929,751942] [2022-11-03 03:34:26,684 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752095,752108] [2022-11-03 03:34:26,685 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752260,752273] [2022-11-03 03:34:26,685 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752427,752440] [2022-11-03 03:34:26,686 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752587,752600] [2022-11-03 03:34:26,687 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752749,752762] [2022-11-03 03:34:26,688 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752908,752921] [2022-11-03 03:34:26,691 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753054,753067] [2022-11-03 03:34:26,692 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753197,753210] [2022-11-03 03:34:26,692 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753341,753354] [2022-11-03 03:34:26,693 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753484,753497] [2022-11-03 03:34:26,694 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753628,753641] [2022-11-03 03:34:26,695 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753769,753782] [2022-11-03 03:34:26,695 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753907,753920] [2022-11-03 03:34:26,696 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754065,754078] [2022-11-03 03:34:26,701 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754224,754237] [2022-11-03 03:34:26,705 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754380,754393] [2022-11-03 03:34:26,706 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754529,754542] [2022-11-03 03:34:26,706 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754681,754694] [2022-11-03 03:34:26,707 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754832,754845] [2022-11-03 03:34:26,707 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754981,754994] [2022-11-03 03:34:26,707 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755133,755146] [2022-11-03 03:34:26,708 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755281,755294] [2022-11-03 03:34:26,708 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755434,755447] [2022-11-03 03:34:26,709 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755585,755598] [2022-11-03 03:34:26,709 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755735,755748] [2022-11-03 03:34:26,709 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755882,755895] [2022-11-03 03:34:26,710 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756033,756046] [2022-11-03 03:34:26,710 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756184,756197] [2022-11-03 03:34:26,712 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756332,756345] [2022-11-03 03:34:26,713 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756498,756511] [2022-11-03 03:34:26,713 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756667,756680] [2022-11-03 03:34:26,714 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756834,756847] [2022-11-03 03:34:26,715 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757002,757015] [2022-11-03 03:34:26,715 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757152,757165] [2022-11-03 03:34:26,716 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757299,757312] [2022-11-03 03:34:26,717 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757460,757473] [2022-11-03 03:34:26,717 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757630,757643] [2022-11-03 03:34:26,718 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757792,757805] [2022-11-03 03:34:26,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:34:27,270 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:34:27,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:27 WrapperNode [2022-11-03 03:34:27,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:34:27,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:34:27,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:34:27,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:34:27,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:27" (1/1) ... [2022-11-03 03:34:27,601 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:27" (1/1) ... [2022-11-03 03:34:28,281 INFO L138 Inliner]: procedures = 982, calls = 10044, calls flagged for inlining = 465, calls inlined = 372, statements flattened = 15554 [2022-11-03 03:34:28,282 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:34:28,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:34:28,283 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:34:28,283 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:34:28,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:27" (1/1) ... [2022-11-03 03:34:28,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:27" (1/1) ... [2022-11-03 03:34:28,406 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:27" (1/1) ... [2022-11-03 03:34:28,406 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:27" (1/1) ... [2022-11-03 03:34:28,838 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:27" (1/1) ... [2022-11-03 03:34:28,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:27" (1/1) ... [2022-11-03 03:34:29,150 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:27" (1/1) ... [2022-11-03 03:34:29,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:27" (1/1) ... [2022-11-03 03:34:29,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:34:29,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:34:29,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:34:29,501 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:34:29,503 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:27" (1/1) ... [2022-11-03 03:34:29,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:34:29,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:34:29,606 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:34:29,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:34:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_enable [2022-11-03 03:34:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_enable [2022-11-03 03:34:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2022-11-03 03:34:29,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2022-11-03 03:34:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure musb_ep_get_qh [2022-11-03 03:34:29,711 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_ep_get_qh [2022-11-03 03:34:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-03 03:34:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure otg_start_srp [2022-11-03 03:34:29,711 INFO L138 BoogieDeclarations]: Found implementation of procedure otg_start_srp [2022-11-03 03:34:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure musb_vbus_show [2022-11-03 03:34:29,713 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_vbus_show [2022-11-03 03:34:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~TO~$Pointer$ [2022-11-03 03:34:29,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~TO~$Pointer$ [2022-11-03 03:34:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put [2022-11-03 03:34:29,714 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put [2022-11-03 03:34:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_fifo_status [2022-11-03 03:34:29,714 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_fifo_status [2022-11-03 03:34:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-03 03:34:29,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-03 03:34:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure usb_phy_vbus_off [2022-11-03 03:34:29,714 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_phy_vbus_off [2022-11-03 03:34:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_ep0_flush_fifo [2022-11-03 03:34:29,715 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_ep0_flush_fifo [2022-11-03 03:34:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-03 03:34:29,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-03 03:34:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure ep0_txstate [2022-11-03 03:34:29,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ep0_txstate [2022-11-03 03:34:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-11-03 03:34:29,716 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-11-03 03:34:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 03:34:29,716 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 03:34:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-03 03:34:29,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-03 03:34:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure musb_ep_restart [2022-11-03 03:34:29,716 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_ep_restart [2022-11-03 03:34:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_disconnect [2022-11-03 03:34:29,717 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_disconnect [2022-11-03 03:34:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_start [2022-11-03 03:34:29,717 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_start [2022-11-03 03:34:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_wakeup [2022-11-03 03:34:29,717 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_wakeup [2022-11-03 03:34:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_setup [2022-11-03 03:34:29,718 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_setup [2022-11-03 03:34:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-03 03:34:29,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-03 03:34:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure musb_test_mode_write [2022-11-03 03:34:29,718 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_test_mode_write [2022-11-03 03:34:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 03:34:29,719 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 03:34:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_disable [2022-11-03 03:34:29,719 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_disable [2022-11-03 03:34:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_dma_controller_stop [2022-11-03 03:34:29,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_dma_controller_stop [2022-11-03 03:34:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 03:34:29,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 03:34:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure musb_bus_suspend [2022-11-03 03:34:29,720 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_bus_suspend [2022-11-03 03:34:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-03 03:34:29,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-03 03:34:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 03:34:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-03 03:34:29,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-03 03:34:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_setup [2022-11-03 03:34:29,722 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_setup [2022-11-03 03:34:29,725 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2022-11-03 03:34:29,725 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2022-11-03 03:34:29,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-03 03:34:29,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-03 03:34:29,726 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_to_musb [2022-11-03 03:34:29,726 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_to_musb [2022-11-03 03:34:29,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-03 03:34:29,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-03 03:34:29,726 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_vbus_draw [2022-11-03 03:34:29,727 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_vbus_draw [2022-11-03 03:34:29,729 INFO L130 BoogieDeclarations]: Found specification of procedure musb_suspend [2022-11-03 03:34:29,729 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_suspend [2022-11-03 03:34:29,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 03:34:29,729 INFO L130 BoogieDeclarations]: Found specification of procedure musb_exit_debugfs [2022-11-03 03:34:29,730 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_exit_debugfs [2022-11-03 03:34:29,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-03 03:34:29,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-03 03:34:29,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:34:29,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 03:34:29,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 03:34:29,730 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 03:34:29,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 03:34:29,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 03:34:29,731 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_txfifoadd [2022-11-03 03:34:29,731 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_txfifoadd [2022-11-03 03:34:29,731 INFO L130 BoogieDeclarations]: Found specification of procedure to_musb_ep [2022-11-03 03:34:29,732 INFO L138 BoogieDeclarations]: Found implementation of procedure to_musb_ep [2022-11-03 03:34:29,732 INFO L130 BoogieDeclarations]: Found specification of procedure usb_otg_state_string [2022-11-03 03:34:29,732 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_otg_state_string [2022-11-03 03:34:29,732 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-03 03:34:29,732 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-03 03:34:29,732 INFO L130 BoogieDeclarations]: Found specification of procedure musb_otg_timer_func [2022-11-03 03:34:29,732 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_otg_timer_func [2022-11-03 03:34:29,733 INFO L130 BoogieDeclarations]: Found specification of procedure musb_save_toggle [2022-11-03 03:34:29,733 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_save_toggle [2022-11-03 03:34:29,733 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-03 03:34:29,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-03 03:34:29,733 INFO L130 BoogieDeclarations]: Found specification of procedure musb_start_urb [2022-11-03 03:34:29,733 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_start_urb [2022-11-03 03:34:29,733 INFO L130 BoogieDeclarations]: Found specification of procedure ep_config_from_table [2022-11-03 03:34:29,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_config_from_table [2022-11-03 03:34:29,734 INFO L130 BoogieDeclarations]: Found specification of procedure musb_load_testpacket [2022-11-03 03:34:29,734 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_load_testpacket [2022-11-03 03:34:29,734 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_rxfunaddr [2022-11-03 03:34:29,734 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_rxfunaddr [2022-11-03 03:34:29,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_13_2 [2022-11-03 03:34:29,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_13_2 [2022-11-03 03:34:29,734 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-03 03:34:29,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-03 03:34:29,735 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_get_frame_number [2022-11-03 03:34:29,735 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_get_frame_number [2022-11-03 03:34:29,735 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_txhubaddr [2022-11-03 03:34:29,735 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_txhubaddr [2022-11-03 03:34:29,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:34:29,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:34:29,736 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_ep0_disable [2022-11-03 03:34:29,736 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_ep0_disable [2022-11-03 03:34:29,737 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-03 03:34:29,737 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-03 03:34:29,737 INFO L130 BoogieDeclarations]: Found specification of procedure musb_free_temp_buffer [2022-11-03 03:34:29,737 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_free_temp_buffer [2022-11-03 03:34:29,737 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_rxhubaddr [2022-11-03 03:34:29,737 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_rxhubaddr [2022-11-03 03:34:29,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 03:34:29,738 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~u8~0~X~~dma_addr_t~0~X~~u32~0~TO~int [2022-11-03 03:34:29,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~u8~0~X~~dma_addr_t~0~X~~u32~0~TO~int [2022-11-03 03:34:29,738 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_ep0_dequeue [2022-11-03 03:34:29,738 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_ep0_dequeue [2022-11-03 03:34:29,738 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~TO~VOID [2022-11-03 03:34:29,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~TO~VOID [2022-11-03 03:34:29,738 INFO L130 BoogieDeclarations]: Found specification of procedure musb_read_target_reg_base [2022-11-03 03:34:29,738 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_read_target_reg_base [2022-11-03 03:34:29,739 INFO L130 BoogieDeclarations]: Found specification of procedure musb_init_controller [2022-11-03 03:34:29,739 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_init_controller [2022-11-03 03:34:29,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-03 03:34:29,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-03 03:34:29,739 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_map_urb_for_dma [2022-11-03 03:34:29,739 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_map_urb_for_dma [2022-11-03 03:34:29,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 03:34:29,740 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 03:34:29,740 INFO L130 BoogieDeclarations]: Found specification of procedure musb_stop [2022-11-03 03:34:29,740 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_stop [2022-11-03 03:34:29,740 INFO L130 BoogieDeclarations]: Found specification of procedure dma_release_channel [2022-11-03 03:34:29,740 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_release_channel [2022-11-03 03:34:29,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-03 03:34:29,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-03 03:34:29,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-03 03:34:29,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-03 03:34:29,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:34:29,741 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2022-11-03 03:34:29,741 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2022-11-03 03:34:29,741 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 03:34:29,741 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 03:34:29,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-03 03:34:29,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-03 03:34:29,742 INFO L130 BoogieDeclarations]: Found specification of procedure musb_restore_context [2022-11-03 03:34:29,742 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_restore_context [2022-11-03 03:34:29,742 INFO L130 BoogieDeclarations]: Found specification of procedure next_request [2022-11-03 03:34:29,742 INFO L138 BoogieDeclarations]: Found implementation of procedure next_request [2022-11-03 03:34:29,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 03:34:29,742 INFO L130 BoogieDeclarations]: Found specification of procedure dma_channel_status [2022-11-03 03:34:29,743 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_channel_status [2022-11-03 03:34:29,743 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_exit [2022-11-03 03:34:29,743 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_exit [2022-11-03 03:34:29,743 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2022-11-03 03:34:29,743 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_dequeue [2022-11-03 03:34:29,743 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_dequeue [2022-11-03 03:34:29,743 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-03 03:34:29,743 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-03 03:34:29,744 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-03 03:34:29,744 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-03 03:34:29,744 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_fifo [2022-11-03 03:34:29,744 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_fifo [2022-11-03 03:34:29,744 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_ep0_irq [2022-11-03 03:34:29,744 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_ep0_irq [2022-11-03 03:34:29,744 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-03 03:34:29,745 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-03 03:34:29,745 INFO L130 BoogieDeclarations]: Found specification of procedure musb_dma_completion [2022-11-03 03:34:29,745 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_dma_completion [2022-11-03 03:34:29,745 INFO L130 BoogieDeclarations]: Found specification of procedure next_urb [2022-11-03 03:34:29,745 INFO L138 BoogieDeclarations]: Found implementation of procedure next_urb [2022-11-03 03:34:29,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 03:34:29,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 03:34:29,745 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_start [2022-11-03 03:34:29,746 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_start [2022-11-03 03:34:29,746 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_stop [2022-11-03 03:34:29,746 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_stop [2022-11-03 03:34:29,746 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_set_self_powered [2022-11-03 03:34:29,746 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_set_self_powered [2022-11-03 03:34:29,746 INFO L130 BoogieDeclarations]: Found specification of procedure musb_bulk_nak_timeout [2022-11-03 03:34:29,746 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_bulk_nak_timeout [2022-11-03 03:34:29,746 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-03 03:34:29,747 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-03 03:34:29,747 INFO L130 BoogieDeclarations]: Found specification of procedure musb_read_fifo [2022-11-03 03:34:29,747 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_read_fifo [2022-11-03 03:34:29,747 INFO L130 BoogieDeclarations]: Found specification of procedure musb_advance_schedule [2022-11-03 03:34:29,747 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_advance_schedule [2022-11-03 03:34:29,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-03 03:34:29,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-03 03:34:29,748 INFO L130 BoogieDeclarations]: Found specification of procedure musb_runtime_suspend [2022-11-03 03:34:29,749 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_runtime_suspend [2022-11-03 03:34:29,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-03 03:34:29,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-03 03:34:29,749 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_disable [2022-11-03 03:34:29,749 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_disable [2022-11-03 03:34:29,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_musb [2022-11-03 03:34:29,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_musb [2022-11-03 03:34:29,749 INFO L130 BoogieDeclarations]: Found specification of procedure txstate [2022-11-03 03:34:29,750 INFO L138 BoogieDeclarations]: Found implementation of procedure txstate [2022-11-03 03:34:29,750 INFO L130 BoogieDeclarations]: Found specification of procedure usb_phy_vbus_on [2022-11-03 03:34:29,750 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_phy_vbus_on [2022-11-03 03:34:29,750 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_cleanup [2022-11-03 03:34:29,750 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_cleanup [2022-11-03 03:34:29,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:34:29,750 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_disable [2022-11-03 03:34:29,751 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_disable [2022-11-03 03:34:29,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 03:34:29,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 03:34:29,751 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_idle [2022-11-03 03:34:29,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_idle [2022-11-03 03:34:29,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_96 [2022-11-03 03:34:29,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_96 [2022-11-03 03:34:29,751 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_dma_channel_program [2022-11-03 03:34:29,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_dma_channel_program [2022-11-03 03:34:29,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_musb [2022-11-03 03:34:29,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_musb [2022-11-03 03:34:29,752 INFO L130 BoogieDeclarations]: Found specification of procedure dma_async_issue_pending [2022-11-03 03:34:29,752 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_async_issue_pending [2022-11-03 03:34:29,752 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_stop [2022-11-03 03:34:29,752 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_stop [2022-11-03 03:34:29,753 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_ep0_enable [2022-11-03 03:34:29,753 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_ep0_enable [2022-11-03 03:34:29,753 INFO L130 BoogieDeclarations]: Found specification of procedure usb_urb_dir_in [2022-11-03 03:34:29,753 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_urb_dir_in [2022-11-03 03:34:29,753 INFO L130 BoogieDeclarations]: Found specification of procedure musb_mode_show [2022-11-03 03:34:29,753 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_mode_show [2022-11-03 03:34:29,753 INFO L130 BoogieDeclarations]: Found specification of procedure strstarts [2022-11-03 03:34:29,753 INFO L138 BoogieDeclarations]: Found implementation of procedure strstarts [2022-11-03 03:34:29,754 INFO L130 BoogieDeclarations]: Found specification of procedure rxstate [2022-11-03 03:34:29,754 INFO L138 BoogieDeclarations]: Found implementation of procedure rxstate [2022-11-03 03:34:29,754 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_enable [2022-11-03 03:34:29,754 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_enable [2022-11-03 03:34:29,754 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-03 03:34:29,754 INFO L130 BoogieDeclarations]: Found specification of procedure device_init_wakeup [2022-11-03 03:34:29,754 INFO L138 BoogieDeclarations]: Found implementation of procedure device_init_wakeup [2022-11-03 03:34:29,755 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_txhubport [2022-11-03 03:34:29,755 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_txhubport [2022-11-03 03:34:29,755 INFO L130 BoogieDeclarations]: Found specification of procedure musb_tx_dma_program [2022-11-03 03:34:29,755 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_tx_dma_program [2022-11-03 03:34:29,755 INFO L130 BoogieDeclarations]: Found specification of procedure musb_generic_disable [2022-11-03 03:34:29,755 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_generic_disable [2022-11-03 03:34:29,755 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_enable [2022-11-03 03:34:29,755 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_enable [2022-11-03 03:34:29,756 INFO L130 BoogieDeclarations]: Found specification of procedure unmap_dma_buffer [2022-11-03 03:34:29,756 INFO L138 BoogieDeclarations]: Found implementation of procedure unmap_dma_buffer [2022-11-03 03:34:29,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2022-11-03 03:34:29,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2022-11-03 03:34:29,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-03 03:34:29,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-03 03:34:29,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 03:34:29,757 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 03:34:29,757 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_set_mode [2022-11-03 03:34:29,757 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_set_mode [2022-11-03 03:34:29,757 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_ep0_halt [2022-11-03 03:34:29,757 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_ep0_halt [2022-11-03 03:34:29,757 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_ep0_irq [2022-11-03 03:34:29,757 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_ep0_irq [2022-11-03 03:34:29,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 03:34:29,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 03:34:29,758 INFO L130 BoogieDeclarations]: Found specification of procedure forward_to_driver [2022-11-03 03:34:29,758 INFO L138 BoogieDeclarations]: Found implementation of procedure forward_to_driver [2022-11-03 03:34:29,758 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_flush_rxfifo [2022-11-03 03:34:29,758 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_flush_rxfifo [2022-11-03 03:34:29,758 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-11-03 03:34:29,758 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-11-03 03:34:29,759 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_try_idle [2022-11-03 03:34:29,759 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_try_idle [2022-11-03 03:34:29,759 INFO L130 BoogieDeclarations]: Found specification of procedure init_peripheral_ep [2022-11-03 03:34:29,759 INFO L138 BoogieDeclarations]: Found implementation of procedure init_peripheral_ep [2022-11-03 03:34:29,759 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_txfifosz [2022-11-03 03:34:29,759 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_txfifosz [2022-11-03 03:34:29,759 INFO L130 BoogieDeclarations]: Found specification of procedure musb_remove [2022-11-03 03:34:29,759 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_remove [2022-11-03 03:34:29,760 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_txfunaddr [2022-11-03 03:34:29,760 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_txfunaddr [2022-11-03 03:34:29,760 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~~u8~0 [2022-11-03 03:34:29,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~~u8~0 [2022-11-03 03:34:29,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-03 03:34:29,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-03 03:34:29,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-03 03:34:29,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-03 03:34:29,761 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unmap_urb_for_dma [2022-11-03 03:34:29,761 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unmap_urb_for_dma [2022-11-03 03:34:29,761 INFO L130 BoogieDeclarations]: Found specification of procedure musb_hub_status_data [2022-11-03 03:34:29,761 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_hub_status_data [2022-11-03 03:34:29,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 03:34:29,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 03:34:29,761 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2022-11-03 03:34:29,762 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2022-11-03 03:34:29,762 INFO L130 BoogieDeclarations]: Found specification of procedure musb_free [2022-11-03 03:34:29,762 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_free [2022-11-03 03:34:29,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 03:34:29,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 03:34:29,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-03 03:34:29,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-03 03:34:29,763 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-11-03 03:34:29,763 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-11-03 03:34:29,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:34:29,763 INFO L130 BoogieDeclarations]: Found specification of procedure musb_cleanup_urb [2022-11-03 03:34:29,763 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_cleanup_urb [2022-11-03 03:34:29,763 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~u8~0~TO~~u32~0 [2022-11-03 03:34:29,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~u8~0~TO~~u32~0 [2022-11-03 03:34:29,764 INFO L130 BoogieDeclarations]: Found specification of procedure ep_config_from_hw [2022-11-03 03:34:29,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_config_from_hw [2022-11-03 03:34:29,764 INFO L130 BoogieDeclarations]: Found specification of procedure otg_set_peripheral [2022-11-03 03:34:29,764 INFO L138 BoogieDeclarations]: Found implementation of procedure otg_set_peripheral [2022-11-03 03:34:29,764 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-03 03:34:29,764 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-03 03:34:29,764 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-03 03:34:29,764 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-03 03:34:29,765 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2022-11-03 03:34:29,765 INFO L130 BoogieDeclarations]: Found specification of procedure musb_resume [2022-11-03 03:34:29,765 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_resume [2022-11-03 03:34:29,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 03:34:29,765 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-03 03:34:29,765 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-03 03:34:29,765 INFO L130 BoogieDeclarations]: Found specification of procedure service_zero_data_request [2022-11-03 03:34:29,766 INFO L138 BoogieDeclarations]: Found implementation of procedure service_zero_data_request [2022-11-03 03:34:29,766 INFO L130 BoogieDeclarations]: Found specification of procedure musb_ep_set_qh [2022-11-03 03:34:29,766 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_ep_set_qh [2022-11-03 03:34:29,766 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-03 03:34:29,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-03 03:34:29,766 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_dma_channel_abort [2022-11-03 03:34:29,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_dma_channel_abort [2022-11-03 03:34:29,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 03:34:29,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-03 03:34:29,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-03 03:34:29,767 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_fifo_flush [2022-11-03 03:34:29,767 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_fifo_flush [2022-11-03 03:34:29,767 INFO L130 BoogieDeclarations]: Found specification of procedure musb_hnp_stop [2022-11-03 03:34:29,767 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_hnp_stop [2022-11-03 03:34:29,767 INFO L130 BoogieDeclarations]: Found specification of procedure dma_controller_destroy [2022-11-03 03:34:29,768 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_controller_destroy [2022-11-03 03:34:29,768 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_reset [2022-11-03 03:34:29,768 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_reset [2022-11-03 03:34:29,768 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2022-11-03 03:34:29,768 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2022-11-03 03:34:29,768 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_pullup [2022-11-03 03:34:29,768 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_pullup [2022-11-03 03:34:29,769 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 03:34:29,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 03:34:29,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-03 03:34:29,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-03 03:34:29,769 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_tx_flush_fifo [2022-11-03 03:34:29,769 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_tx_flush_fifo [2022-11-03 03:34:29,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 03:34:29,769 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 03:34:29,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-03 03:34:29,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-03 03:34:29,770 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u8~0~TO~VOID [2022-11-03 03:34:29,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u8~0~TO~VOID [2022-11-03 03:34:29,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_17_2 [2022-11-03 03:34:29,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_17_2 [2022-11-03 03:34:29,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-03 03:34:29,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-03 03:34:29,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 03:34:29,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 03:34:29,771 INFO L130 BoogieDeclarations]: Found specification of procedure first_qh [2022-11-03 03:34:29,771 INFO L138 BoogieDeclarations]: Found implementation of procedure first_qh [2022-11-03 03:34:29,771 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-11-03 03:34:29,771 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-11-03 03:34:29,772 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-03 03:34:29,772 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-03 03:34:29,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-03 03:34:29,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-03 03:34:29,772 INFO L130 BoogieDeclarations]: Found specification of procedure nuke [2022-11-03 03:34:29,772 INFO L138 BoogieDeclarations]: Found implementation of procedure nuke [2022-11-03 03:34:29,772 INFO L130 BoogieDeclarations]: Found specification of procedure musb_start [2022-11-03 03:34:29,772 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_start [2022-11-03 03:34:29,773 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_rx [2022-11-03 03:34:29,773 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_rx [2022-11-03 03:34:29,773 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_poll_rh_status [2022-11-03 03:34:29,773 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_poll_rh_status [2022-11-03 03:34:29,773 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2022-11-03 03:34:29,773 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2022-11-03 03:34:29,773 INFO L130 BoogieDeclarations]: Found specification of procedure musb_runtime_resume [2022-11-03 03:34:29,773 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_runtime_resume [2022-11-03 03:34:29,774 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_streq [2022-11-03 03:34:29,774 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_streq [2022-11-03 03:34:29,774 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~~u16~0 [2022-11-03 03:34:29,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~~u16~0 [2022-11-03 03:34:29,774 INFO L130 BoogieDeclarations]: Found specification of procedure musb_host_rx [2022-11-03 03:34:29,774 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_host_rx [2022-11-03 03:34:29,774 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 03:34:29,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 03:34:29,775 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 03:34:29,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 03:34:29,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_97 [2022-11-03 03:34:29,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_97 [2022-11-03 03:34:29,775 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_stop [2022-11-03 03:34:29,775 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_stop [2022-11-03 03:34:29,775 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_tx [2022-11-03 03:34:29,776 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_tx [2022-11-03 03:34:29,776 INFO L130 BoogieDeclarations]: Found specification of procedure musb_host_packet_rx [2022-11-03 03:34:29,776 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_host_packet_rx [2022-11-03 03:34:29,776 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-03 03:34:29,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-03 03:34:29,776 INFO L130 BoogieDeclarations]: Found specification of procedure decode_ep0stage [2022-11-03 03:34:29,776 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_ep0stage [2022-11-03 03:34:29,777 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_set_maxpacket_limit [2022-11-03 03:34:29,777 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_set_maxpacket_limit [2022-11-03 03:34:29,777 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_set_halt [2022-11-03 03:34:29,777 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_set_halt [2022-11-03 03:34:29,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-03 03:34:29,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-03 03:34:29,777 INFO L130 BoogieDeclarations]: Found specification of procedure musb_bus_resume [2022-11-03 03:34:29,777 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_bus_resume [2022-11-03 03:34:29,778 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-03 03:34:29,778 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-03 03:34:29,778 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-03 03:34:29,778 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-03 03:34:29,778 INFO L130 BoogieDeclarations]: Found specification of procedure musb_alloc_request [2022-11-03 03:34:29,778 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_alloc_request [2022-11-03 03:34:29,778 INFO L130 BoogieDeclarations]: Found specification of procedure musb_read_ulpi_buscontrol [2022-11-03 03:34:29,779 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_read_ulpi_buscontrol [2022-11-03 03:34:29,779 INFO L130 BoogieDeclarations]: Found specification of procedure stop_activity [2022-11-03 03:34:29,779 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_activity [2022-11-03 03:34:29,779 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_set_halt [2022-11-03 03:34:29,779 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_set_halt [2022-11-03 03:34:29,779 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_musb [2022-11-03 03:34:29,779 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_musb [2022-11-03 03:34:29,780 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_configure_channel [2022-11-03 03:34:29,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_configure_channel [2022-11-03 03:34:29,780 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_rxfifoadd [2022-11-03 03:34:29,780 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_rxfifoadd [2022-11-03 03:34:29,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 03:34:29,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 03:34:29,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 03:34:29,780 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-03 03:34:29,781 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-03 03:34:29,781 INFO L130 BoogieDeclarations]: Found specification of procedure musb_port_suspend [2022-11-03 03:34:29,781 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_port_suspend [2022-11-03 03:34:29,781 INFO L130 BoogieDeclarations]: Found specification of procedure musb_port_reset [2022-11-03 03:34:29,781 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_port_reset [2022-11-03 03:34:29,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-03 03:34:29,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-03 03:34:29,782 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-11-03 03:34:29,782 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-11-03 03:34:29,782 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-03 03:34:29,782 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-03 03:34:29,782 INFO L130 BoogieDeclarations]: Found specification of procedure musb_probe [2022-11-03 03:34:29,782 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_probe [2022-11-03 03:34:29,782 INFO L130 BoogieDeclarations]: Found specification of procedure musb_host_tx [2022-11-03 03:34:29,782 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_host_tx [2022-11-03 03:34:29,783 INFO L130 BoogieDeclarations]: Found specification of procedure musb_host_cleanup [2022-11-03 03:34:29,783 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_host_cleanup [2022-11-03 03:34:29,783 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_type [2022-11-03 03:34:29,783 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_type [2022-11-03 03:34:29,783 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_get_sync [2022-11-03 03:34:29,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_get_sync [2022-11-03 03:34:29,783 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_musb [2022-11-03 03:34:29,783 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_musb [2022-11-03 03:34:29,784 INFO L130 BoogieDeclarations]: Found specification of procedure musb_free_request [2022-11-03 03:34:29,784 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_free_request [2022-11-03 03:34:29,784 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_init [2022-11-03 03:34:29,784 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_init [2022-11-03 03:34:29,784 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_start [2022-11-03 03:34:29,784 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_start [2022-11-03 03:34:29,784 INFO L130 BoogieDeclarations]: Found specification of procedure musb_save_context [2022-11-03 03:34:29,785 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_save_context [2022-11-03 03:34:29,785 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_dma_channel_release [2022-11-03 03:34:29,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_dma_channel_release [2022-11-03 03:34:29,785 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_ep0_giveback [2022-11-03 03:34:29,785 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_ep0_giveback [2022-11-03 03:34:29,785 INFO L130 BoogieDeclarations]: Found specification of procedure next_in_request [2022-11-03 03:34:29,785 INFO L138 BoogieDeclarations]: Found implementation of procedure next_in_request [2022-11-03 03:34:29,785 INFO L130 BoogieDeclarations]: Found specification of procedure list_is_singular [2022-11-03 03:34:29,786 INFO L138 BoogieDeclarations]: Found implementation of procedure list_is_singular [2022-11-03 03:34:29,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 03:34:29,786 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_set_wedge [2022-11-03 03:34:29,786 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_set_wedge [2022-11-03 03:34:29,786 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~u8~0~X~~u16~0~TO~~u32~0 [2022-11-03 03:34:29,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~u8~0~X~~u16~0~TO~~u32~0 [2022-11-03 03:34:29,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-03 03:34:29,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-03 03:34:29,787 INFO L130 BoogieDeclarations]: Found specification of procedure to_musb_request [2022-11-03 03:34:29,787 INFO L138 BoogieDeclarations]: Found implementation of procedure to_musb_request [2022-11-03 03:34:29,787 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_next [2022-11-03 03:34:29,787 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_next [2022-11-03 03:34:29,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 03:34:29,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 03:34:29,787 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_rxfifosz [2022-11-03 03:34:29,788 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_rxfifosz [2022-11-03 03:34:29,788 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_giveback [2022-11-03 03:34:29,788 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_giveback [2022-11-03 03:34:29,788 INFO L130 BoogieDeclarations]: Found specification of procedure otg_set_host [2022-11-03 03:34:29,788 INFO L138 BoogieDeclarations]: Found implementation of procedure otg_set_host [2022-11-03 03:34:29,788 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_get_frame [2022-11-03 03:34:29,788 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_get_frame [2022-11-03 03:34:29,788 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2022-11-03 03:34:29,789 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2022-11-03 03:34:29,789 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2022-11-03 03:34:29,789 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2022-11-03 03:34:29,789 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-03 03:34:29,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-03 03:34:29,789 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u16~0~TO~VOID [2022-11-03 03:34:29,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u16~0~TO~VOID [2022-11-03 03:34:29,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-03 03:34:29,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-03 03:34:29,790 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 03:34:29,790 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 03:34:29,790 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-11-03 03:34:29,790 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-11-03 03:34:29,790 INFO L130 BoogieDeclarations]: Found specification of procedure musb_recover_work [2022-11-03 03:34:29,790 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_recover_work [2022-11-03 03:34:29,791 INFO L130 BoogieDeclarations]: Found specification of procedure musb_host_setup [2022-11-03 03:34:29,791 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_host_setup [2022-11-03 03:34:29,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-03 03:34:29,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-03 03:34:29,791 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-11-03 03:34:29,791 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-11-03 03:34:29,791 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_ulpi_buscontrol [2022-11-03 03:34:29,791 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_ulpi_buscontrol [2022-11-03 03:34:29,792 INFO L130 BoogieDeclarations]: Found specification of procedure musb_test_mode_open [2022-11-03 03:34:29,792 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_test_mode_open [2022-11-03 03:34:29,792 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-03 03:34:29,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-03 03:34:29,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_97 [2022-11-03 03:34:29,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_97 [2022-11-03 03:34:29,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-03 03:34:29,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-03 03:34:29,793 INFO L130 BoogieDeclarations]: Found specification of procedure usb_phy_set_power [2022-11-03 03:34:29,793 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_phy_set_power [2022-11-03 03:34:29,793 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_set_vbus [2022-11-03 03:34:29,793 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_set_vbus [2022-11-03 03:34:29,793 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_rxhubport [2022-11-03 03:34:29,793 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_rxhubport [2022-11-03 03:34:29,793 INFO L130 BoogieDeclarations]: Found specification of procedure musb_giveback [2022-11-03 03:34:29,794 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_giveback [2022-11-03 03:34:29,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_13 [2022-11-03 03:34:29,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_13 [2022-11-03 03:34:29,794 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-03 03:34:29,794 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-03 03:34:29,794 INFO L130 BoogieDeclarations]: Found specification of procedure musb_ep_program [2022-11-03 03:34:29,794 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_ep_program [2022-11-03 03:34:29,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 03:34:29,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 03:34:29,795 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-03 03:34:29,795 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-03 03:34:29,795 INFO L130 BoogieDeclarations]: Found specification of procedure musb_shutdown [2022-11-03 03:34:29,795 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_shutdown [2022-11-03 03:34:29,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-03 03:34:29,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-03 03:34:29,795 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-03 03:34:29,796 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-03 03:34:29,796 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_dma_callback [2022-11-03 03:34:29,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_dma_callback [2022-11-03 03:34:29,796 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-03 03:34:29,796 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-03 03:34:29,796 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_slave_config [2022-11-03 03:34:29,796 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_slave_config [2022-11-03 03:34:29,797 INFO L130 BoogieDeclarations]: Found specification of procedure musb_regdump_open [2022-11-03 03:34:29,797 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_regdump_open [2022-11-03 03:34:29,797 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-03 03:34:29,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-03 03:34:29,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:34:29,797 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_terminate_all [2022-11-03 03:34:29,797 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_terminate_all [2022-11-03 03:34:29,797 INFO L130 BoogieDeclarations]: Found specification of procedure musb_pullup [2022-11-03 03:34:29,798 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_pullup [2022-11-03 03:34:29,798 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_dma_is_compatible [2022-11-03 03:34:29,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_dma_is_compatible [2022-11-03 03:34:31,925 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:34:31,931 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:34:33,134 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 03:34:53,418 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:34:59,608 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:34:59,608 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-03 03:34:59,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:34:59 BoogieIcfgContainer [2022-11-03 03:34:59,620 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:34:59,623 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:34:59,624 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:34:59,627 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:34:59,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:34:16" (1/3) ... [2022-11-03 03:34:59,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2514064a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:34:59, skipping insertion in model container [2022-11-03 03:34:59,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:34:27" (2/3) ... [2022-11-03 03:34:59,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2514064a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:34:59, skipping insertion in model container [2022-11-03 03:34:59,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:34:59" (3/3) ... [2022-11-03 03:34:59,630 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i [2022-11-03 03:34:59,649 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:34:59,649 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-11-03 03:34:59,804 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:34:59,809 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;@6a928430, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:34:59,809 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2022-11-03 03:34:59,828 INFO L276 IsEmpty]: Start isEmpty. Operand has 4621 states, 2739 states have (on average 1.298284045271997) internal successors, (3556), 2887 states have internal predecessors, (3556), 1578 states have call successors, (1578), 278 states have call predecessors, (1578), 277 states have return successors, (1567), 1540 states have call predecessors, (1567), 1567 states have call successors, (1567) [2022-11-03 03:34:59,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-03 03:34:59,838 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:34:59,839 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:34:59,840 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_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 03:34:59,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:34:59,845 INFO L85 PathProgramCache]: Analyzing trace with hash 2094591935, now seen corresponding path program 1 times [2022-11-03 03:34:59,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:34:59,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510071365] [2022-11-03 03:34:59,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:34:59,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:35:00,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:02,265 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 03:35:02,266 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:35:02,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510071365] [2022-11-03 03:35:02,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510071365] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:02,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:02,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:35:02,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934228473] [2022-11-03 03:35:02,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:02,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:35:02,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:35:02,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:35:02,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:35:02,326 INFO L87 Difference]: Start difference. First operand has 4621 states, 2739 states have (on average 1.298284045271997) internal successors, (3556), 2887 states have internal predecessors, (3556), 1578 states have call successors, (1578), 278 states have call predecessors, (1578), 277 states have return successors, (1567), 1540 states have call predecessors, (1567), 1567 states have call successors, (1567) Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-03 03:35:05,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:35:11,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:35:15,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:35:17,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:35:21,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:35:27,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:35:28,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:35:30,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:30,003 INFO L93 Difference]: Finished difference Result 12260 states and 18188 transitions. [2022-11-03 03:35:30,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:35:30,007 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 47 [2022-11-03 03:35:30,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:30,083 INFO L225 Difference]: With dead ends: 12260 [2022-11-03 03:35:30,083 INFO L226 Difference]: Without dead ends: 7639 [2022-11-03 03:35:30,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:35:30,131 INFO L413 NwaCegarLoop]: 8704 mSDtfsCounter, 6220 mSDsluCounter, 14541 mSDsCounter, 0 mSdLazyCounter, 2789 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6223 SdHoareTripleChecker+Valid, 21578 SdHoareTripleChecker+Invalid, 2794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2789 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:30,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6223 Valid, 21578 Invalid, 2794 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2789 Invalid, 5 Unknown, 0 Unchecked, 27.0s Time] [2022-11-03 03:35:30,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7639 states. [2022-11-03 03:35:30,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7639 to 7629. [2022-11-03 03:35:30,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7629 states, 4541 states have (on average 1.2781325699185202) internal successors, (5804), 4734 states have internal predecessors, (5804), 2559 states have call successors, (2559), 503 states have call predecessors, (2559), 502 states have return successors, (2558), 2514 states have call predecessors, (2558), 2557 states have call successors, (2558) [2022-11-03 03:35:31,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7629 states to 7629 states and 10921 transitions. [2022-11-03 03:35:31,054 INFO L78 Accepts]: Start accepts. Automaton has 7629 states and 10921 transitions. Word has length 47 [2022-11-03 03:35:31,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:31,055 INFO L495 AbstractCegarLoop]: Abstraction has 7629 states and 10921 transitions. [2022-11-03 03:35:31,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-03 03:35:31,055 INFO L276 IsEmpty]: Start isEmpty. Operand 7629 states and 10921 transitions. [2022-11-03 03:35:31,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-03 03:35:31,058 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:31,058 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:31,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:35:31,059 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_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 03:35:31,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:31,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1204864001, now seen corresponding path program 1 times [2022-11-03 03:35:31,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:35:31,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229290435] [2022-11-03 03:35:31,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:31,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:35:31,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:32,298 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 03:35:32,298 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:35:32,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229290435] [2022-11-03 03:35:32,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229290435] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:32,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:32,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:35:32,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879418615] [2022-11-03 03:35:32,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:32,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:35:32,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:35:32,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:35:32,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:35:32,304 INFO L87 Difference]: Start difference. First operand 7629 states and 10921 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-03 03:35:34,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:35:36,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:35:44,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:35:48,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:35:49,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:35:51,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:35:54,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:35:56,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:35:57,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:57,840 INFO L93 Difference]: Finished difference Result 10596 states and 15124 transitions. [2022-11-03 03:35:57,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:35:57,842 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 52 [2022-11-03 03:35:57,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:57,909 INFO L225 Difference]: With dead ends: 10596 [2022-11-03 03:35:57,910 INFO L226 Difference]: Without dead ends: 10594 [2022-11-03 03:35:57,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:35:57,919 INFO L413 NwaCegarLoop]: 9353 mSDtfsCounter, 6137 mSDsluCounter, 15293 mSDsCounter, 0 mSdLazyCounter, 3003 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6141 SdHoareTripleChecker+Valid, 22874 SdHoareTripleChecker+Invalid, 3008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3003 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.9s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:57,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6141 Valid, 22874 Invalid, 3008 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 3003 Invalid, 5 Unknown, 0 Unchecked, 24.9s Time] [2022-11-03 03:35:57,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10594 states. [2022-11-03 03:35:58,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10594 to 10582. [2022-11-03 03:35:58,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10582 states, 6306 states have (on average 1.2759276879162702) internal successors, (8046), 6555 states have internal predecessors, (8046), 3534 states have call successors, (3534), 718 states have call predecessors, (3534), 716 states have return successors, (3535), 3471 states have call predecessors, (3535), 3532 states have call successors, (3535) [2022-11-03 03:35:58,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10582 states to 10582 states and 15115 transitions. [2022-11-03 03:35:58,771 INFO L78 Accepts]: Start accepts. Automaton has 10582 states and 15115 transitions. Word has length 52 [2022-11-03 03:35:58,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:58,772 INFO L495 AbstractCegarLoop]: Abstraction has 10582 states and 15115 transitions. [2022-11-03 03:35:58,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-03 03:35:58,774 INFO L276 IsEmpty]: Start isEmpty. Operand 10582 states and 15115 transitions. [2022-11-03 03:35:58,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-03 03:35:58,783 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:58,784 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:58,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:35:58,784 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_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 03:35:58,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:58,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1027873164, now seen corresponding path program 1 times [2022-11-03 03:35:58,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:35:58,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355163258] [2022-11-03 03:35:58,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:58,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:35:59,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:36:00,241 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 03:36:00,241 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:36:00,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355163258] [2022-11-03 03:36:00,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355163258] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:36:00,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:36:00,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:36:00,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323275618] [2022-11-03 03:36:00,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:36:00,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:36:00,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:36:00,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:36:00,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:36:00,245 INFO L87 Difference]: Start difference. First operand 10582 states and 15115 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-03 03:36:02,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:36:04,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:36:12,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:36:16,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:36:19,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:36:19,514 INFO L93 Difference]: Finished difference Result 13385 states and 19067 transitions. [2022-11-03 03:36:19,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:36:19,515 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 57 [2022-11-03 03:36:19,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:36:19,591 INFO L225 Difference]: With dead ends: 13385 [2022-11-03 03:36:19,592 INFO L226 Difference]: Without dead ends: 13383 [2022-11-03 03:36:19,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:36:19,601 INFO L413 NwaCegarLoop]: 9116 mSDtfsCounter, 5879 mSDsluCounter, 15037 mSDsCounter, 0 mSdLazyCounter, 2968 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5886 SdHoareTripleChecker+Valid, 22400 SdHoareTripleChecker+Invalid, 2972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2968 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2022-11-03 03:36:19,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5886 Valid, 22400 Invalid, 2972 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2968 Invalid, 4 Unknown, 0 Unchecked, 18.8s Time] [2022-11-03 03:36:19,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13383 states. [2022-11-03 03:36:20,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13383 to 13370. [2022-11-03 03:36:20,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13370 states, 7970 states have (on average 1.274780426599749) internal successors, (10160), 8270 states have internal predecessors, (10160), 4447 states have call successors, (4447), 932 states have call predecessors, (4447), 928 states have return successors, (4450), 4367 states have call predecessors, (4450), 4445 states have call successors, (4450) [2022-11-03 03:36:20,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13370 states to 13370 states and 19057 transitions. [2022-11-03 03:36:20,617 INFO L78 Accepts]: Start accepts. Automaton has 13370 states and 19057 transitions. Word has length 57 [2022-11-03 03:36:20,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:36:20,619 INFO L495 AbstractCegarLoop]: Abstraction has 13370 states and 19057 transitions. [2022-11-03 03:36:20,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-03 03:36:20,620 INFO L276 IsEmpty]: Start isEmpty. Operand 13370 states and 19057 transitions. [2022-11-03 03:36:20,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-03 03:36:20,623 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:36:20,623 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:36:20,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 03:36:20,623 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_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 03:36:20,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:36:20,625 INFO L85 PathProgramCache]: Analyzing trace with hash 2014102358, now seen corresponding path program 1 times [2022-11-03 03:36:20,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:36:20,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822621808] [2022-11-03 03:36:20,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:36:20,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:36:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:36:21,802 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 03:36:21,802 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:36:21,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822621808] [2022-11-03 03:36:21,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822621808] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:36:21,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:36:21,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:36:21,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11876171] [2022-11-03 03:36:21,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:36:21,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:36:21,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:36:21,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:36:21,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:36:21,805 INFO L87 Difference]: Start difference. First operand 13370 states and 19057 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-03 03:36:24,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:36:26,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:36:31,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:36:36,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:36:40,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:36:42,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:36:44,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:36:44,559 INFO L93 Difference]: Finished difference Result 16194 states and 23038 transitions. [2022-11-03 03:36:44,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:36:44,560 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 62 [2022-11-03 03:36:44,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:36:44,633 INFO L225 Difference]: With dead ends: 16194 [2022-11-03 03:36:44,633 INFO L226 Difference]: Without dead ends: 16192 [2022-11-03 03:36:44,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:36:44,645 INFO L413 NwaCegarLoop]: 8596 mSDtfsCounter, 5905 mSDsluCounter, 14436 mSDsCounter, 0 mSdLazyCounter, 2801 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5912 SdHoareTripleChecker+Valid, 21360 SdHoareTripleChecker+Invalid, 2807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2801 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:36:44,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5912 Valid, 21360 Invalid, 2807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2801 Invalid, 6 Unknown, 0 Unchecked, 22.2s Time] [2022-11-03 03:36:44,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16192 states. [2022-11-03 03:36:45,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16192 to 16179. [2022-11-03 03:36:45,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16179 states, 9648 states have (on average 1.2740464344941957) internal successors, (12292), 9999 states have internal predecessors, (12292), 5366 states have call successors, (5366), 1147 states have call predecessors, (5366), 1141 states have return successors, (5370), 5270 states have call predecessors, (5370), 5364 states have call successors, (5370) [2022-11-03 03:36:45,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16179 states to 16179 states and 23028 transitions. [2022-11-03 03:36:45,717 INFO L78 Accepts]: Start accepts. Automaton has 16179 states and 23028 transitions. Word has length 62 [2022-11-03 03:36:45,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:36:45,718 INFO L495 AbstractCegarLoop]: Abstraction has 16179 states and 23028 transitions. [2022-11-03 03:36:45,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-03 03:36:45,718 INFO L276 IsEmpty]: Start isEmpty. Operand 16179 states and 23028 transitions. [2022-11-03 03:36:45,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-03 03:36:45,721 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:36:45,721 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 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] [2022-11-03 03:36:45,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 03:36:45,722 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 03:36:45,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:36:45,723 INFO L85 PathProgramCache]: Analyzing trace with hash -822897072, now seen corresponding path program 1 times [2022-11-03 03:36:45,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:36:45,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034446432] [2022-11-03 03:36:45,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:36:45,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:36:45,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:36:46,746 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-03 03:36:46,746 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:36:46,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034446432] [2022-11-03 03:36:46,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034446432] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:36:46,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:36:46,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:36:46,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028672370] [2022-11-03 03:36:46,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:36:46,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:36:46,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:36:46,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:36:46,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:36:46,749 INFO L87 Difference]: Start difference. First operand 16179 states and 23028 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-03 03:36:48,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:36:50,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:36:54,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:36:58,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:37:01,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:37:04,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:37:04,135 INFO L93 Difference]: Finished difference Result 32351 states and 46035 transitions. [2022-11-03 03:37:04,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:37:04,136 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 72 [2022-11-03 03:37:04,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:37:04,212 INFO L225 Difference]: With dead ends: 32351 [2022-11-03 03:37:04,212 INFO L226 Difference]: Without dead ends: 16188 [2022-11-03 03:37:04,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:37:04,278 INFO L413 NwaCegarLoop]: 8592 mSDtfsCounter, 5916 mSDsluCounter, 4710 mSDsCounter, 0 mSdLazyCounter, 1671 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5921 SdHoareTripleChecker+Valid, 12760 SdHoareTripleChecker+Invalid, 1676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1671 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2022-11-03 03:37:04,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5921 Valid, 12760 Invalid, 1676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1671 Invalid, 4 Unknown, 0 Unchecked, 16.7s Time] [2022-11-03 03:37:04,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16188 states. [2022-11-03 03:37:05,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16188 to 16175. [2022-11-03 03:37:05,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16175 states, 9645 states have (on average 1.273924313115604) internal successors, (12287), 9995 states have internal predecessors, (12287), 5366 states have call successors, (5366), 1147 states have call predecessors, (5366), 1141 states have return successors, (5370), 5270 states have call predecessors, (5370), 5364 states have call successors, (5370) [2022-11-03 03:37:05,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16175 states to 16175 states and 23023 transitions. [2022-11-03 03:37:05,442 INFO L78 Accepts]: Start accepts. Automaton has 16175 states and 23023 transitions. Word has length 72 [2022-11-03 03:37:05,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:37:05,443 INFO L495 AbstractCegarLoop]: Abstraction has 16175 states and 23023 transitions. [2022-11-03 03:37:05,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-03 03:37:05,443 INFO L276 IsEmpty]: Start isEmpty. Operand 16175 states and 23023 transitions. [2022-11-03 03:37:05,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-03 03:37:05,444 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:37:05,445 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:37:05,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 03:37:05,445 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 03:37:05,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:37:05,446 INFO L85 PathProgramCache]: Analyzing trace with hash -762525750, now seen corresponding path program 1 times [2022-11-03 03:37:05,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:37:05,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79103642] [2022-11-03 03:37:05,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:05,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:37:05,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:06,508 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 03:37:06,508 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:37:06,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79103642] [2022-11-03 03:37:06,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79103642] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:37:06,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:37:06,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:37:06,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334893105] [2022-11-03 03:37:06,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:37:06,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:37:06,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:37:06,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:37:06,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:37:06,511 INFO L87 Difference]: Start difference. First operand 16175 states and 23023 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-03 03:37:08,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:37:10,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:37:14,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:37:19,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:37:23,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:37:25,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:37:27,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:37:30,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:37:32,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:37:32,321 INFO L93 Difference]: Finished difference Result 16188 states and 23031 transitions. [2022-11-03 03:37:32,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:37:32,322 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 67 [2022-11-03 03:37:32,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:37:32,388 INFO L225 Difference]: With dead ends: 16188 [2022-11-03 03:37:32,388 INFO L226 Difference]: Without dead ends: 16186 [2022-11-03 03:37:32,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:37:32,394 INFO L413 NwaCegarLoop]: 8589 mSDtfsCounter, 5897 mSDsluCounter, 14431 mSDsCounter, 0 mSdLazyCounter, 2805 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5904 SdHoareTripleChecker+Valid, 21346 SdHoareTripleChecker+Invalid, 2810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2805 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:37:32,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5904 Valid, 21346 Invalid, 2810 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2805 Invalid, 5 Unknown, 0 Unchecked, 25.1s Time] [2022-11-03 03:37:32,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16186 states. [2022-11-03 03:37:33,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16186 to 16173. [2022-11-03 03:37:33,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16173 states, 9644 states have (on average 1.273849025300705) internal successors, (12285), 9993 states have internal predecessors, (12285), 5366 states have call successors, (5366), 1147 states have call predecessors, (5366), 1141 states have return successors, (5370), 5270 states have call predecessors, (5370), 5364 states have call successors, (5370) [2022-11-03 03:37:33,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16173 states to 16173 states and 23021 transitions. [2022-11-03 03:37:33,489 INFO L78 Accepts]: Start accepts. Automaton has 16173 states and 23021 transitions. Word has length 67 [2022-11-03 03:37:33,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:37:33,491 INFO L495 AbstractCegarLoop]: Abstraction has 16173 states and 23021 transitions. [2022-11-03 03:37:33,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-03 03:37:33,491 INFO L276 IsEmpty]: Start isEmpty. Operand 16173 states and 23021 transitions. [2022-11-03 03:37:33,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-03 03:37:33,493 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:37:33,493 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 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] [2022-11-03 03:37:33,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 03:37:33,494 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 03:37:33,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:37:33,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1639749961, now seen corresponding path program 1 times [2022-11-03 03:37:33,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:37:33,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027195679] [2022-11-03 03:37:33,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:33,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:37:33,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:34,268 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-03 03:37:34,268 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:37:34,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027195679] [2022-11-03 03:37:34,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027195679] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:37:34,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278280354] [2022-11-03 03:37:34,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:34,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:37:34,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:37:34,274 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:37:34,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 03:37:37,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:37,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 8595 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 03:37:37,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:37,386 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-03 03:37:37,386 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:37:37,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278280354] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:37:37,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 03:37:37,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-11-03 03:37:37,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734276798] [2022-11-03 03:37:37,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:37:37,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:37:37,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:37:37,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:37:37,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:37:37,389 INFO L87 Difference]: Start difference. First operand 16173 states and 23021 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-03 03:37:39,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:37:41,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:37:47,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:37:49,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:37:51,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:37:55,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:37:56,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:37:56,283 INFO L93 Difference]: Finished difference Result 32339 states and 46021 transitions. [2022-11-03 03:37:56,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:37:56,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 77 [2022-11-03 03:37:56,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:37:56,343 INFO L225 Difference]: With dead ends: 32339 [2022-11-03 03:37:56,343 INFO L226 Difference]: Without dead ends: 16182 [2022-11-03 03:37:56,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:37:56,412 INFO L413 NwaCegarLoop]: 9103 mSDtfsCounter, 5872 mSDsluCounter, 4710 mSDsCounter, 0 mSdLazyCounter, 1756 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5877 SdHoareTripleChecker+Valid, 13271 SdHoareTripleChecker+Invalid, 1762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1756 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:37:56,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5877 Valid, 13271 Invalid, 1762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1756 Invalid, 5 Unknown, 0 Unchecked, 18.2s Time] [2022-11-03 03:37:56,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16182 states. [2022-11-03 03:37:57,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16182 to 16169. [2022-11-03 03:37:57,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16169 states, 9641 states have (on average 1.273726791826574) internal successors, (12280), 9989 states have internal predecessors, (12280), 5366 states have call successors, (5366), 1147 states have call predecessors, (5366), 1141 states have return successors, (5370), 5270 states have call predecessors, (5370), 5364 states have call successors, (5370) [2022-11-03 03:37:57,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16169 states to 16169 states and 23016 transitions. [2022-11-03 03:37:57,467 INFO L78 Accepts]: Start accepts. Automaton has 16169 states and 23016 transitions. Word has length 77 [2022-11-03 03:37:57,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:37:57,467 INFO L495 AbstractCegarLoop]: Abstraction has 16169 states and 23016 transitions. [2022-11-03 03:37:57,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-03 03:37:57,468 INFO L276 IsEmpty]: Start isEmpty. Operand 16169 states and 23016 transitions. [2022-11-03 03:37:57,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-03 03:37:57,469 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:37:57,469 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:37:57,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 03:37:57,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2069f5-893f-4f76-91e0-efd7568e2084/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:37:57,670 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 03:37:57,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:37:57,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1118074762, now seen corresponding path program 1 times [2022-11-03 03:37:57,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:37:57,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764401865] [2022-11-03 03:37:57,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:57,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:37:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:58,572 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 03:37:58,573 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:37:58,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764401865] [2022-11-03 03:37:58,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764401865] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:37:58,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:37:58,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:37:58,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933821844] [2022-11-03 03:37:58,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:37:58,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:37:58,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:37:58,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:37:58,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:37:58,576 INFO L87 Difference]: Start difference. First operand 16169 states and 23016 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-03 03:38:00,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:38:02,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:38:10,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:38:14,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:38:17,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:17,067 INFO L93 Difference]: Finished difference Result 16182 states and 23024 transitions. [2022-11-03 03:38:17,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:38:17,069 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 72 [2022-11-03 03:38:17,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:17,113 INFO L225 Difference]: With dead ends: 16182 [2022-11-03 03:38:17,113 INFO L226 Difference]: Without dead ends: 16180 [2022-11-03 03:38:17,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:38:17,117 INFO L413 NwaCegarLoop]: 9100 mSDtfsCounter, 5860 mSDsluCounter, 15021 mSDsCounter, 0 mSdLazyCounter, 2968 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5867 SdHoareTripleChecker+Valid, 22368 SdHoareTripleChecker+Invalid, 2972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2968 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:17,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5867 Valid, 22368 Invalid, 2972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2968 Invalid, 4 Unknown, 0 Unchecked, 17.8s Time] [2022-11-03 03:38:17,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16180 states. [2022-11-03 03:38:17,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16180 to 16167. [2022-11-03 03:38:17,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16167 states, 9640 states have (on average 1.2736514522821576) internal successors, (12278), 9987 states have internal predecessors, (12278), 5366 states have call successors, (5366), 1147 states have call predecessors, (5366), 1141 states have return successors, (5370), 5270 states have call predecessors, (5370), 5364 states have call successors, (5370) [2022-11-03 03:38:18,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16167 states to 16167 states and 23014 transitions. [2022-11-03 03:38:18,032 INFO L78 Accepts]: Start accepts. Automaton has 16167 states and 23014 transitions. Word has length 72 [2022-11-03 03:38:18,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:18,032 INFO L495 AbstractCegarLoop]: Abstraction has 16167 states and 23014 transitions. [2022-11-03 03:38:18,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-03 03:38:18,033 INFO L276 IsEmpty]: Start isEmpty. Operand 16167 states and 23014 transitions. [2022-11-03 03:38:18,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-03 03:38:18,034 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:18,034 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:18,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 03:38:18,035 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 03:38:18,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:18,035 INFO L85 PathProgramCache]: Analyzing trace with hash -2024312442, now seen corresponding path program 1 times [2022-11-03 03:38:18,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:38:18,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001463066] [2022-11-03 03:38:18,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:18,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:38:18,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:18,959 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 03:38:18,959 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:38:18,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001463066] [2022-11-03 03:38:18,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001463066] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:18,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:38:18,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:38:18,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777038096] [2022-11-03 03:38:18,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:18,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:38:18,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:38:18,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:38:18,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:38:18,962 INFO L87 Difference]: Start difference. First operand 16167 states and 23014 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-03 03:38:21,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:38:30,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:38:33,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:38:35,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:38:37,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:38:41,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:38:44,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:38:44,195 INFO L93 Difference]: Finished difference Result 23028 states and 33075 transitions. [2022-11-03 03:38:44,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 03:38:44,196 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 77 [2022-11-03 03:38:44,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:38:44,285 INFO L225 Difference]: With dead ends: 23028 [2022-11-03 03:38:44,285 INFO L226 Difference]: Without dead ends: 23026 [2022-11-03 03:38:44,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:38:44,297 INFO L413 NwaCegarLoop]: 9053 mSDtfsCounter, 5866 mSDsluCounter, 16921 mSDsCounter, 0 mSdLazyCounter, 3064 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5868 SdHoareTripleChecker+Valid, 24055 SdHoareTripleChecker+Invalid, 3069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3064 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:38:44,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5868 Valid, 24055 Invalid, 3069 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3064 Invalid, 4 Unknown, 0 Unchecked, 24.1s Time] [2022-11-03 03:38:44,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23026 states. [2022-11-03 03:38:45,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23026 to 22871. [2022-11-03 03:38:45,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22871 states, 13632 states have (on average 1.2754548122065728) internal successors, (17387), 14133 states have internal predecessors, (17387), 7629 states have call successors, (7629), 1602 states have call predecessors, (7629), 1590 states have return successors, (7887), 7475 states have call predecessors, (7887), 7627 states have call successors, (7887) [2022-11-03 03:38:46,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22871 states to 22871 states and 32903 transitions. [2022-11-03 03:38:46,068 INFO L78 Accepts]: Start accepts. Automaton has 22871 states and 32903 transitions. Word has length 77 [2022-11-03 03:38:46,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:38:46,069 INFO L495 AbstractCegarLoop]: Abstraction has 22871 states and 32903 transitions. [2022-11-03 03:38:46,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-03 03:38:46,070 INFO L276 IsEmpty]: Start isEmpty. Operand 22871 states and 32903 transitions. [2022-11-03 03:38:46,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-03 03:38:46,071 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:38:46,071 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:38:46,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-03 03:38:46,072 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 03:38:46,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:38:46,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1366857180, now seen corresponding path program 1 times [2022-11-03 03:38:46,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:38:46,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718105851] [2022-11-03 03:38:46,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:38:46,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:38:46,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:38:46,968 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 03:38:46,969 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:38:46,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718105851] [2022-11-03 03:38:46,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718105851] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:38:46,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:38:46,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:38:46,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42730015] [2022-11-03 03:38:46,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:38:46,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:38:46,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:38:46,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:38:46,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:38:46,971 INFO L87 Difference]: Start difference. First operand 22871 states and 32903 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 03:38:49,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:38:51,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:00,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:02,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:06,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:08,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:10,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:12,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:16,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:18,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:18,628 INFO L93 Difference]: Finished difference Result 22881 states and 32908 transitions. [2022-11-03 03:39:18,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:39:18,630 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 82 [2022-11-03 03:39:18,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:18,701 INFO L225 Difference]: With dead ends: 22881 [2022-11-03 03:39:18,701 INFO L226 Difference]: Without dead ends: 22879 [2022-11-03 03:39:18,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:39:18,707 INFO L413 NwaCegarLoop]: 8662 mSDtfsCounter, 6166 mSDsluCounter, 14504 mSDsCounter, 0 mSdLazyCounter, 2810 mSolverCounterSat, 0 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6169 SdHoareTripleChecker+Valid, 21488 SdHoareTripleChecker+Invalid, 2817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2810 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:18,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6169 Valid, 21488 Invalid, 2817 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2810 Invalid, 7 Unknown, 0 Unchecked, 30.2s Time] [2022-11-03 03:39:18,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22879 states. [2022-11-03 03:39:19,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22879 to 22869. [2022-11-03 03:39:19,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22869 states, 13631 states have (on average 1.2754016579854743) internal successors, (17385), 14131 states have internal predecessors, (17385), 7629 states have call successors, (7629), 1602 states have call predecessors, (7629), 1590 states have return successors, (7887), 7475 states have call predecessors, (7887), 7627 states have call successors, (7887) [2022-11-03 03:39:19,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22869 states to 22869 states and 32901 transitions. [2022-11-03 03:39:19,888 INFO L78 Accepts]: Start accepts. Automaton has 22869 states and 32901 transitions. Word has length 82 [2022-11-03 03:39:19,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:19,889 INFO L495 AbstractCegarLoop]: Abstraction has 22869 states and 32901 transitions. [2022-11-03 03:39:19,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 03:39:19,889 INFO L276 IsEmpty]: Start isEmpty. Operand 22869 states and 32901 transitions. [2022-11-03 03:39:19,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-03 03:39:19,891 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:19,891 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:19,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-03 03:39:19,891 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 03:39:19,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:19,892 INFO L85 PathProgramCache]: Analyzing trace with hash 710567623, now seen corresponding path program 1 times [2022-11-03 03:39:19,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:39:19,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9242468] [2022-11-03 03:39:19,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:19,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:39:20,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:20,688 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 03:39:20,688 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:39:20,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9242468] [2022-11-03 03:39:20,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9242468] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:20,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:20,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:39:20,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195200924] [2022-11-03 03:39:20,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:20,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:39:20,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:39:20,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:39:20,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:39:20,691 INFO L87 Difference]: Start difference. First operand 22869 states and 32901 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 03:39:23,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:25,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:33,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:35,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:39,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:42,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:45,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:39:45,271 INFO L93 Difference]: Finished difference Result 25692 states and 36876 transitions. [2022-11-03 03:39:45,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:39:45,272 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 84 [2022-11-03 03:39:45,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:39:45,348 INFO L225 Difference]: With dead ends: 25692 [2022-11-03 03:39:45,348 INFO L226 Difference]: Without dead ends: 25690 [2022-11-03 03:39:45,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:39:45,358 INFO L413 NwaCegarLoop]: 9113 mSDtfsCounter, 5874 mSDsluCounter, 15040 mSDsCounter, 0 mSdLazyCounter, 2976 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5880 SdHoareTripleChecker+Valid, 22394 SdHoareTripleChecker+Invalid, 2982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2976 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:39:45,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5880 Valid, 22394 Invalid, 2982 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2976 Invalid, 6 Unknown, 0 Unchecked, 23.1s Time] [2022-11-03 03:39:45,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25690 states. [2022-11-03 03:39:46,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25690 to 25675. [2022-11-03 03:39:46,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25675 states, 15306 states have (on average 1.2747941983535869) internal successors, (19512), 15857 states have internal predecessors, (19512), 8546 states have call successors, (8546), 1818 states have call predecessors, (8546), 1805 states have return successors, (8806), 8376 states have call predecessors, (8806), 8544 states have call successors, (8806) [2022-11-03 03:39:46,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25675 states to 25675 states and 36864 transitions. [2022-11-03 03:39:46,781 INFO L78 Accepts]: Start accepts. Automaton has 25675 states and 36864 transitions. Word has length 84 [2022-11-03 03:39:46,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:39:46,781 INFO L495 AbstractCegarLoop]: Abstraction has 25675 states and 36864 transitions. [2022-11-03 03:39:46,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 03:39:46,782 INFO L276 IsEmpty]: Start isEmpty. Operand 25675 states and 36864 transitions. [2022-11-03 03:39:46,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-03 03:39:46,784 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:39:46,784 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:39:46,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-03 03:39:46,784 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 03:39:46,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:39:46,785 INFO L85 PathProgramCache]: Analyzing trace with hash 761584963, now seen corresponding path program 1 times [2022-11-03 03:39:46,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:39:46,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475903947] [2022-11-03 03:39:46,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:39:46,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:39:46,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:39:47,740 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 03:39:47,741 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:39:47,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475903947] [2022-11-03 03:39:47,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475903947] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:39:47,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:39:47,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:39:47,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435911772] [2022-11-03 03:39:47,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:39:47,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:39:47,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:39:47,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:39:47,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:39:47,742 INFO L87 Difference]: Start difference. First operand 25675 states and 36864 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 03:39:50,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:52,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:39:59,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:03,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:07,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:40:07,402 INFO L93 Difference]: Finished difference Result 25689 states and 36873 transitions. [2022-11-03 03:40:07,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:40:07,403 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 89 [2022-11-03 03:40:07,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:40:07,470 INFO L225 Difference]: With dead ends: 25689 [2022-11-03 03:40:07,470 INFO L226 Difference]: Without dead ends: 25687 [2022-11-03 03:40:07,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:40:07,478 INFO L413 NwaCegarLoop]: 9094 mSDtfsCounter, 5851 mSDsluCounter, 15015 mSDsCounter, 0 mSdLazyCounter, 2968 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5858 SdHoareTripleChecker+Valid, 22356 SdHoareTripleChecker+Invalid, 2972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2968 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:40:07,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5858 Valid, 22356 Invalid, 2972 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2968 Invalid, 4 Unknown, 0 Unchecked, 18.2s Time] [2022-11-03 03:40:07,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25687 states. [2022-11-03 03:40:08,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25687 to 25673. [2022-11-03 03:40:08,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25673 states, 15305 states have (on average 1.2747468147664163) internal successors, (19510), 15855 states have internal predecessors, (19510), 8546 states have call successors, (8546), 1818 states have call predecessors, (8546), 1805 states have return successors, (8806), 8376 states have call predecessors, (8806), 8544 states have call successors, (8806) [2022-11-03 03:40:08,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25673 states to 25673 states and 36862 transitions. [2022-11-03 03:40:08,849 INFO L78 Accepts]: Start accepts. Automaton has 25673 states and 36862 transitions. Word has length 89 [2022-11-03 03:40:08,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:40:08,850 INFO L495 AbstractCegarLoop]: Abstraction has 25673 states and 36862 transitions. [2022-11-03 03:40:08,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 03:40:08,850 INFO L276 IsEmpty]: Start isEmpty. Operand 25673 states and 36862 transitions. [2022-11-03 03:40:08,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-03 03:40:08,851 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:40:08,851 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:40:08,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-03 03:40:08,852 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 03:40:08,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:40:08,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1377852093, now seen corresponding path program 1 times [2022-11-03 03:40:08,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:40:08,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254415992] [2022-11-03 03:40:08,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:08,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:40:08,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:09,696 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 03:40:09,697 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:40:09,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254415992] [2022-11-03 03:40:09,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254415992] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:40:09,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:40:09,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:40:09,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394216772] [2022-11-03 03:40:09,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:40:09,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:40:09,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:40:09,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:40:09,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:40:09,700 INFO L87 Difference]: Start difference. First operand 25673 states and 36862 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-03 03:40:12,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:14,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:22,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:26,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:28,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:31,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:33,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:36,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:40:36,119 INFO L93 Difference]: Finished difference Result 25688 states and 36872 transitions. [2022-11-03 03:40:36,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:40:36,120 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 94 [2022-11-03 03:40:36,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:40:36,193 INFO L225 Difference]: With dead ends: 25688 [2022-11-03 03:40:36,194 INFO L226 Difference]: Without dead ends: 25686 [2022-11-03 03:40:36,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:40:36,202 INFO L413 NwaCegarLoop]: 9159 mSDtfsCounter, 6103 mSDsluCounter, 15084 mSDsCounter, 0 mSdLazyCounter, 2972 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6107 SdHoareTripleChecker+Valid, 22486 SdHoareTripleChecker+Invalid, 2978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2972 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:40:36,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6107 Valid, 22486 Invalid, 2978 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2972 Invalid, 6 Unknown, 0 Unchecked, 25.0s Time] [2022-11-03 03:40:36,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25686 states. [2022-11-03 03:40:37,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25686 to 25671. [2022-11-03 03:40:37,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25671 states, 15304 states have (on average 1.2746994249869315) internal successors, (19508), 15853 states have internal predecessors, (19508), 8546 states have call successors, (8546), 1818 states have call predecessors, (8546), 1805 states have return successors, (8806), 8376 states have call predecessors, (8806), 8544 states have call successors, (8806) [2022-11-03 03:40:37,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25671 states to 25671 states and 36860 transitions. [2022-11-03 03:40:37,661 INFO L78 Accepts]: Start accepts. Automaton has 25671 states and 36860 transitions. Word has length 94 [2022-11-03 03:40:37,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:40:37,662 INFO L495 AbstractCegarLoop]: Abstraction has 25671 states and 36860 transitions. [2022-11-03 03:40:37,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-03 03:40:37,662 INFO L276 IsEmpty]: Start isEmpty. Operand 25671 states and 36860 transitions. [2022-11-03 03:40:37,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-03 03:40:37,664 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:40:37,665 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:40:37,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-03 03:40:37,665 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 03:40:37,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:40:37,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1669457215, now seen corresponding path program 1 times [2022-11-03 03:40:37,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:40:37,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805180261] [2022-11-03 03:40:37,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:40:37,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:40:37,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:40:38,494 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 03:40:38,494 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:40:38,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805180261] [2022-11-03 03:40:38,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805180261] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:40:38,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:40:38,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:40:38,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381468247] [2022-11-03 03:40:38,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:40:38,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:40:38,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:40:38,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:40:38,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:40:38,497 INFO L87 Difference]: Start difference. First operand 25671 states and 36860 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-03 03:40:40,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:42,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:54,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:40:58,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:41:01,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:41:01,595 INFO L93 Difference]: Finished difference Result 25686 states and 36870 transitions. [2022-11-03 03:41:01,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:41:01,597 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 99 [2022-11-03 03:41:01,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:41:01,667 INFO L225 Difference]: With dead ends: 25686 [2022-11-03 03:41:01,667 INFO L226 Difference]: Without dead ends: 25684 [2022-11-03 03:41:01,677 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:41:01,677 INFO L413 NwaCegarLoop]: 9107 mSDtfsCounter, 5867 mSDsluCounter, 15034 mSDsCounter, 0 mSdLazyCounter, 2978 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5873 SdHoareTripleChecker+Valid, 22382 SdHoareTripleChecker+Invalid, 2982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2978 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:41:01,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5873 Valid, 22382 Invalid, 2982 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2978 Invalid, 4 Unknown, 0 Unchecked, 21.6s Time] [2022-11-03 03:41:01,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25684 states. [2022-11-03 03:41:03,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25684 to 25669. [2022-11-03 03:41:03,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25669 states, 15303 states have (on average 1.274652029013919) internal successors, (19506), 15851 states have internal predecessors, (19506), 8546 states have call successors, (8546), 1818 states have call predecessors, (8546), 1805 states have return successors, (8806), 8376 states have call predecessors, (8806), 8544 states have call successors, (8806) [2022-11-03 03:41:03,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25669 states to 25669 states and 36858 transitions. [2022-11-03 03:41:03,303 INFO L78 Accepts]: Start accepts. Automaton has 25669 states and 36858 transitions. Word has length 99 [2022-11-03 03:41:03,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:41:03,303 INFO L495 AbstractCegarLoop]: Abstraction has 25669 states and 36858 transitions. [2022-11-03 03:41:03,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-03 03:41:03,303 INFO L276 IsEmpty]: Start isEmpty. Operand 25669 states and 36858 transitions. [2022-11-03 03:41:03,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-03 03:41:03,305 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:41:03,305 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-03 03:41:03,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-03 03:41:03,305 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 03:41:03,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:41:03,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1039802775, now seen corresponding path program 1 times [2022-11-03 03:41:03,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:41:03,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005137779] [2022-11-03 03:41:03,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:41:03,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:41:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:41:05,072 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-11-03 03:41:05,073 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:41:05,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005137779] [2022-11-03 03:41:05,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005137779] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:41:05,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:41:05,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 03:41:05,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704580197] [2022-11-03 03:41:05,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:41:05,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:41:05,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:41:05,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:41:05,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:41:05,075 INFO L87 Difference]: Start difference. First operand 25669 states and 36858 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-03 03:41:07,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:41:09,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:41:19,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:41:24,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:41:26,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:41:31,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:41:33,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:41:38,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:41:38,075 INFO L93 Difference]: Finished difference Result 40811 states and 58816 transitions. [2022-11-03 03:41:38,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 03:41:38,076 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 132 [2022-11-03 03:41:38,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:41:38,239 INFO L225 Difference]: With dead ends: 40811 [2022-11-03 03:41:38,239 INFO L226 Difference]: Without dead ends: 40809 [2022-11-03 03:41:38,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:41:38,258 INFO L413 NwaCegarLoop]: 8661 mSDtfsCounter, 4697 mSDsluCounter, 25927 mSDsCounter, 0 mSdLazyCounter, 3963 mSolverCounterSat, 2 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4698 SdHoareTripleChecker+Valid, 31702 SdHoareTripleChecker+Invalid, 3971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3963 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:41:38,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4698 Valid, 31702 Invalid, 3971 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3963 Invalid, 6 Unknown, 0 Unchecked, 30.6s Time] [2022-11-03 03:41:38,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40809 states. [2022-11-03 03:41:40,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40809 to 40636. [2022-11-03 03:41:40,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40636 states, 24035 states have (on average 1.2571250260037445) internal successors, (30215), 24955 states have internal predecessors, (30215), 13289 states have call successors, (13289), 3330 states have call predecessors, (13289), 3297 states have return successors, (15116), 12897 states have call predecessors, (15116), 13287 states have call successors, (15116) [2022-11-03 03:41:40,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40636 states to 40636 states and 58620 transitions. [2022-11-03 03:41:40,632 INFO L78 Accepts]: Start accepts. Automaton has 40636 states and 58620 transitions. Word has length 132 [2022-11-03 03:41:40,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:41:40,633 INFO L495 AbstractCegarLoop]: Abstraction has 40636 states and 58620 transitions. [2022-11-03 03:41:40,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-03 03:41:40,633 INFO L276 IsEmpty]: Start isEmpty. Operand 40636 states and 58620 transitions. [2022-11-03 03:41:40,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-03 03:41:40,634 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:41:40,634 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:41:40,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-03 03:41:40,635 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 03:41:40,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:41:40,635 INFO L85 PathProgramCache]: Analyzing trace with hash 2065525437, now seen corresponding path program 1 times [2022-11-03 03:41:40,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:41:40,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641755944] [2022-11-03 03:41:40,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:41:40,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:41:40,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:41:41,729 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 03:41:41,729 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:41:41,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641755944] [2022-11-03 03:41:41,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641755944] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:41:41,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:41:41,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:41:41,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857772033] [2022-11-03 03:41:41,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:41:41,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:41:41,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:41:41,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:41:41,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:41:41,731 INFO L87 Difference]: Start difference. First operand 40636 states and 58620 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-03 03:41:44,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:41:46,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:41:57,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:41:58,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:01,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:05,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:42:05,254 INFO L93 Difference]: Finished difference Result 40653 states and 58632 transitions. [2022-11-03 03:42:05,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:42:05,255 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 104 [2022-11-03 03:42:05,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:42:05,366 INFO L225 Difference]: With dead ends: 40653 [2022-11-03 03:42:05,366 INFO L226 Difference]: Without dead ends: 40651 [2022-11-03 03:42:05,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:42:05,376 INFO L413 NwaCegarLoop]: 9102 mSDtfsCounter, 5864 mSDsluCounter, 15032 mSDsCounter, 0 mSdLazyCounter, 2984 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5870 SdHoareTripleChecker+Valid, 22372 SdHoareTripleChecker+Invalid, 2988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2984 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:42:05,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5870 Valid, 22372 Invalid, 2988 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2984 Invalid, 4 Unknown, 0 Unchecked, 21.2s Time] [2022-11-03 03:42:05,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40651 states. [2022-11-03 03:42:07,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40651 to 40634. [2022-11-03 03:42:07,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40634 states, 24034 states have (on average 1.2570941166680536) internal successors, (30213), 24953 states have internal predecessors, (30213), 13289 states have call successors, (13289), 3330 states have call predecessors, (13289), 3297 states have return successors, (15116), 12897 states have call predecessors, (15116), 13287 states have call successors, (15116) [2022-11-03 03:42:07,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40634 states to 40634 states and 58618 transitions. [2022-11-03 03:42:07,829 INFO L78 Accepts]: Start accepts. Automaton has 40634 states and 58618 transitions. Word has length 104 [2022-11-03 03:42:07,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:42:07,830 INFO L495 AbstractCegarLoop]: Abstraction has 40634 states and 58618 transitions. [2022-11-03 03:42:07,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-03 03:42:07,830 INFO L276 IsEmpty]: Start isEmpty. Operand 40634 states and 58618 transitions. [2022-11-03 03:42:07,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-03 03:42:07,832 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:42:07,832 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:42:07,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-03 03:42:07,833 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 03:42:07,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:42:07,833 INFO L85 PathProgramCache]: Analyzing trace with hash 2133053854, now seen corresponding path program 1 times [2022-11-03 03:42:07,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:42:07,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023427935] [2022-11-03 03:42:07,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:42:07,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:42:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:42:08,853 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 03:42:08,853 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:42:08,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023427935] [2022-11-03 03:42:08,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023427935] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:42:08,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:42:08,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:42:08,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013363482] [2022-11-03 03:42:08,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:42:08,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:42:08,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:42:08,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:42:08,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:42:08,856 INFO L87 Difference]: Start difference. First operand 40634 states and 58618 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-03 03:42:11,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:13,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:22,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:27,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:31,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:42:31,636 INFO L93 Difference]: Finished difference Result 40649 states and 58628 transitions. [2022-11-03 03:42:31,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:42:31,639 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 109 [2022-11-03 03:42:31,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:42:31,762 INFO L225 Difference]: With dead ends: 40649 [2022-11-03 03:42:31,762 INFO L226 Difference]: Without dead ends: 40647 [2022-11-03 03:42:31,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:42:31,774 INFO L413 NwaCegarLoop]: 9095 mSDtfsCounter, 5839 mSDsluCounter, 15020 mSDsCounter, 0 mSdLazyCounter, 2976 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5846 SdHoareTripleChecker+Valid, 22358 SdHoareTripleChecker+Invalid, 2980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2976 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:42:31,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5846 Valid, 22358 Invalid, 2980 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2976 Invalid, 4 Unknown, 0 Unchecked, 20.1s Time] [2022-11-03 03:42:31,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40647 states. [2022-11-03 03:42:34,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40647 to 40632. [2022-11-03 03:42:34,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40632 states, 24033 states have (on average 1.2570632047601216) internal successors, (30211), 24951 states have internal predecessors, (30211), 13289 states have call successors, (13289), 3330 states have call predecessors, (13289), 3297 states have return successors, (15116), 12897 states have call predecessors, (15116), 13287 states have call successors, (15116) [2022-11-03 03:42:34,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40632 states to 40632 states and 58616 transitions. [2022-11-03 03:42:34,260 INFO L78 Accepts]: Start accepts. Automaton has 40632 states and 58616 transitions. Word has length 109 [2022-11-03 03:42:34,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:42:34,261 INFO L495 AbstractCegarLoop]: Abstraction has 40632 states and 58616 transitions. [2022-11-03 03:42:34,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-03 03:42:34,261 INFO L276 IsEmpty]: Start isEmpty. Operand 40632 states and 58616 transitions. [2022-11-03 03:42:34,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-03 03:42:34,263 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:42:34,263 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:42:34,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-03 03:42:34,263 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 03:42:34,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:42:34,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1009012162, now seen corresponding path program 1 times [2022-11-03 03:42:34,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:42:34,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424406327] [2022-11-03 03:42:34,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:42:34,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:42:34,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:42:35,327 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 03:42:35,327 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:42:35,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424406327] [2022-11-03 03:42:35,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424406327] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:42:35,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:42:35,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:42:35,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840196875] [2022-11-03 03:42:35,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:42:35,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:42:35,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:42:35,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:42:35,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:42:35,330 INFO L87 Difference]: Start difference. First operand 40632 states and 58616 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-03 03:42:37,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:39,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:54,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:55,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:42:57,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:02,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:43:02,809 INFO L93 Difference]: Finished difference Result 45189 states and 65048 transitions. [2022-11-03 03:43:02,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:43:02,811 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 114 [2022-11-03 03:43:02,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:43:02,947 INFO L225 Difference]: With dead ends: 45189 [2022-11-03 03:43:02,947 INFO L226 Difference]: Without dead ends: 45187 [2022-11-03 03:43:02,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:43:02,962 INFO L413 NwaCegarLoop]: 8456 mSDtfsCounter, 5887 mSDsluCounter, 14276 mSDsCounter, 0 mSdLazyCounter, 2763 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5893 SdHoareTripleChecker+Valid, 21080 SdHoareTripleChecker+Invalid, 2766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2763 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:43:02,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5893 Valid, 21080 Invalid, 2766 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2763 Invalid, 3 Unknown, 0 Unchecked, 24.4s Time] [2022-11-03 03:43:02,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45187 states. [2022-11-03 03:43:05,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45187 to 45173. [2022-11-03 03:43:05,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45173 states, 26724 states have (on average 1.2565110013471037) internal successors, (33579), 27731 states have internal predecessors, (33579), 14737 states have call successors, (14737), 3733 states have call predecessors, (14737), 3700 states have return successors, (16721), 14311 states have call predecessors, (16721), 14735 states have call successors, (16721) [2022-11-03 03:43:05,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45173 states to 45173 states and 65037 transitions. [2022-11-03 03:43:05,998 INFO L78 Accepts]: Start accepts. Automaton has 45173 states and 65037 transitions. Word has length 114 [2022-11-03 03:43:05,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:43:05,998 INFO L495 AbstractCegarLoop]: Abstraction has 45173 states and 65037 transitions. [2022-11-03 03:43:05,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-03 03:43:05,999 INFO L276 IsEmpty]: Start isEmpty. Operand 45173 states and 65037 transitions. [2022-11-03 03:43:06,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-03 03:43:06,001 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:43:06,001 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:43:06,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-03 03:43:06,002 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 03:43:06,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:43:06,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1695206704, now seen corresponding path program 1 times [2022-11-03 03:43:06,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:43:06,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339238804] [2022-11-03 03:43:06,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:43:06,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:43:06,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:43:07,860 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 03:43:07,861 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:43:07,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339238804] [2022-11-03 03:43:07,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339238804] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:43:07,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:43:07,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:43:07,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803105007] [2022-11-03 03:43:07,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:43:07,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:43:07,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:43:07,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:43:07,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:43:07,865 INFO L87 Difference]: Start difference. First operand 45173 states and 65037 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-03 03:43:10,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:12,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:22,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:24,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:28,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:30,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:31,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:34,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:38,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:41,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:43:41,750 INFO L93 Difference]: Finished difference Result 45188 states and 65047 transitions. [2022-11-03 03:43:41,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:43:41,752 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 119 [2022-11-03 03:43:41,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:43:41,914 INFO L225 Difference]: With dead ends: 45188 [2022-11-03 03:43:41,914 INFO L226 Difference]: Without dead ends: 45186 [2022-11-03 03:43:41,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:43:41,932 INFO L413 NwaCegarLoop]: 9158 mSDtfsCounter, 6088 mSDsluCounter, 15089 mSDsCounter, 0 mSdLazyCounter, 2984 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6092 SdHoareTripleChecker+Valid, 22484 SdHoareTripleChecker+Invalid, 2989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2984 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:43:41,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6092 Valid, 22484 Invalid, 2989 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2984 Invalid, 5 Unknown, 0 Unchecked, 31.1s Time] [2022-11-03 03:43:41,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45186 states. [2022-11-03 03:43:44,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45186 to 45171. [2022-11-03 03:43:44,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45171 states, 26723 states have (on average 1.256483179283763) internal successors, (33577), 27729 states have internal predecessors, (33577), 14737 states have call successors, (14737), 3733 states have call predecessors, (14737), 3700 states have return successors, (16721), 14311 states have call predecessors, (16721), 14735 states have call successors, (16721) [2022-11-03 03:43:45,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45171 states to 45171 states and 65035 transitions. [2022-11-03 03:43:45,051 INFO L78 Accepts]: Start accepts. Automaton has 45171 states and 65035 transitions. Word has length 119 [2022-11-03 03:43:45,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:43:45,051 INFO L495 AbstractCegarLoop]: Abstraction has 45171 states and 65035 transitions. [2022-11-03 03:43:45,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-03 03:43:45,052 INFO L276 IsEmpty]: Start isEmpty. Operand 45171 states and 65035 transitions. [2022-11-03 03:43:45,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-11-03 03:43:45,055 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:43:45,055 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-03 03:43:45,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-03 03:43:45,055 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 03:43:45,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:43:45,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1493438877, now seen corresponding path program 1 times [2022-11-03 03:43:45,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:43:45,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002713266] [2022-11-03 03:43:45,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:43:45,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:43:45,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:43:46,464 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2022-11-03 03:43:46,465 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:43:46,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002713266] [2022-11-03 03:43:46,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002713266] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:43:46,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:43:46,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 03:43:46,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900537467] [2022-11-03 03:43:46,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:43:46,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:43:46,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:43:46,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:43:46,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:43:46,467 INFO L87 Difference]: Start difference. First operand 45171 states and 65035 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-03 03:43:48,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:50,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:52,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:54,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:56,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:03,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:08,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:13,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:17,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:19,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:23,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:44:23,392 INFO L93 Difference]: Finished difference Result 57166 states and 82204 transitions. [2022-11-03 03:44:23,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 03:44:23,394 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 151 [2022-11-03 03:44:23,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:44:23,617 INFO L225 Difference]: With dead ends: 57166 [2022-11-03 03:44:23,617 INFO L226 Difference]: Without dead ends: 57164 [2022-11-03 03:44:23,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:44:23,637 INFO L413 NwaCegarLoop]: 7063 mSDtfsCounter, 4275 mSDsluCounter, 20678 mSDsCounter, 0 mSdLazyCounter, 3290 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4276 SdHoareTripleChecker+Valid, 25360 SdHoareTripleChecker+Invalid, 3299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3290 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:44:23,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4276 Valid, 25360 Invalid, 3299 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3290 Invalid, 8 Unknown, 0 Unchecked, 33.6s Time] [2022-11-03 03:44:23,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57164 states. [2022-11-03 03:44:27,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57164 to 57139. [2022-11-03 03:44:27,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57139 states, 33686 states have (on average 1.248233687585347) internal successors, (42048), 34968 states have internal predecessors, (42048), 18452 states have call successors, (18452), 5062 states have call predecessors, (18452), 4990 states have return successors, (21671), 17810 states have call predecessors, (21671), 18450 states have call successors, (21671) [2022-11-03 03:44:27,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57139 states to 57139 states and 82171 transitions. [2022-11-03 03:44:27,761 INFO L78 Accepts]: Start accepts. Automaton has 57139 states and 82171 transitions. Word has length 151 [2022-11-03 03:44:27,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:44:27,761 INFO L495 AbstractCegarLoop]: Abstraction has 57139 states and 82171 transitions. [2022-11-03 03:44:27,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-03 03:44:27,762 INFO L276 IsEmpty]: Start isEmpty. Operand 57139 states and 82171 transitions. [2022-11-03 03:44:27,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-03 03:44:27,766 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:44:27,766 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:44:27,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-03 03:44:27,767 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_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 03:44:27,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:44:27,767 INFO L85 PathProgramCache]: Analyzing trace with hash -333914998, now seen corresponding path program 1 times [2022-11-03 03:44:27,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:44:27,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506337383] [2022-11-03 03:44:27,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:44:27,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:44:27,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:44:28,807 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 03:44:28,808 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:44:28,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506337383] [2022-11-03 03:44:28,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506337383] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:44:28,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:44:28,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:44:28,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397100613] [2022-11-03 03:44:28,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:44:28,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:44:28,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:44:28,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:44:28,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:44:28,813 INFO L87 Difference]: Start difference. First operand 57139 states and 82171 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-03 03:44:31,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:33,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:41,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:42,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:48,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:50,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:52,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:56,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:58,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:01,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:04,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:45:04,852 INFO L93 Difference]: Finished difference Result 57159 states and 82186 transitions. [2022-11-03 03:45:04,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:45:04,854 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 124 [2022-11-03 03:45:04,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:45:05,072 INFO L225 Difference]: With dead ends: 57159 [2022-11-03 03:45:05,072 INFO L226 Difference]: Without dead ends: 57157 [2022-11-03 03:45:05,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:45:05,098 INFO L413 NwaCegarLoop]: 9140 mSDtfsCounter, 5852 mSDsluCounter, 15077 mSDsCounter, 0 mSdLazyCounter, 2994 mSolverCounterSat, 0 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5858 SdHoareTripleChecker+Valid, 22448 SdHoareTripleChecker+Invalid, 3001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2994 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:45:05,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5858 Valid, 22448 Invalid, 3001 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2994 Invalid, 7 Unknown, 0 Unchecked, 32.6s Time] [2022-11-03 03:45:05,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57157 states. [2022-11-03 03:45:09,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57157 to 57137. [2022-11-03 03:45:09,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57137 states, 33685 states have (on average 1.2482113700460145) internal successors, (42046), 34966 states have internal predecessors, (42046), 18452 states have call successors, (18452), 5062 states have call predecessors, (18452), 4990 states have return successors, (21671), 17810 states have call predecessors, (21671), 18450 states have call successors, (21671) [2022-11-03 03:45:09,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57137 states to 57137 states and 82169 transitions. [2022-11-03 03:45:09,418 INFO L78 Accepts]: Start accepts. Automaton has 57137 states and 82169 transitions. Word has length 124 [2022-11-03 03:45:09,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:45:09,419 INFO L495 AbstractCegarLoop]: Abstraction has 57137 states and 82169 transitions. [2022-11-03 03:45:09,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-03 03:45:09,419 INFO L276 IsEmpty]: Start isEmpty. Operand 57137 states and 82169 transitions. [2022-11-03 03:45:09,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-03 03:45:09,424 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:45:09,424 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:45:09,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-03 03:45:09,425 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting musb_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 03:45:09,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:45:09,425 INFO L85 PathProgramCache]: Analyzing trace with hash 487019790, now seen corresponding path program 1 times [2022-11-03 03:45:09,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:45:09,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966735329] [2022-11-03 03:45:09,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:45:09,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:45:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:45:12,572 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-11-03 03:45:12,573 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:45:12,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966735329] [2022-11-03 03:45:12,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966735329] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:45:12,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:45:12,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:45:12,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724739202] [2022-11-03 03:45:12,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:45:12,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:45:12,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:45:12,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:45:12,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:45:12,576 INFO L87 Difference]: Start difference. First operand 57137 states and 82169 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-03 03:45:17,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:19,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:28,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:32,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:35,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:45:40,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:45:40,972 INFO L93 Difference]: Finished difference Result 108898 states and 160598 transitions. [2022-11-03 03:45:40,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:45:40,975 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 139 [2022-11-03 03:45:40,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:45:41,427 INFO L225 Difference]: With dead ends: 108898 [2022-11-03 03:45:41,428 INFO L226 Difference]: Without dead ends: 57267 [2022-11-03 03:45:41,691 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 [2022-11-03 03:45:41,691 INFO L413 NwaCegarLoop]: 5797 mSDtfsCounter, 7 mSDsluCounter, 13095 mSDsCounter, 0 mSdLazyCounter, 2440 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 17318 SdHoareTripleChecker+Invalid, 2444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2440 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:45:41,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 17318 Invalid, 2444 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2440 Invalid, 4 Unknown, 0 Unchecked, 23.5s Time] [2022-11-03 03:45:41,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57267 states. [2022-11-03 03:45:46,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57267 to 57222. [2022-11-03 03:45:46,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57222 states, 33759 states have (on average 1.2476672887230071) internal successors, (42120), 35051 states have internal predecessors, (42120), 18452 states have call successors, (18452), 5062 states have call predecessors, (18452), 5001 states have return successors, (21682), 17810 states have call predecessors, (21682), 18450 states have call successors, (21682) [2022-11-03 03:45:46,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57222 states to 57222 states and 82254 transitions. [2022-11-03 03:45:46,942 INFO L78 Accepts]: Start accepts. Automaton has 57222 states and 82254 transitions. Word has length 139 [2022-11-03 03:45:46,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:45:46,942 INFO L495 AbstractCegarLoop]: Abstraction has 57222 states and 82254 transitions. [2022-11-03 03:45:46,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-03 03:45:46,943 INFO L276 IsEmpty]: Start isEmpty. Operand 57222 states and 82254 transitions. [2022-11-03 03:45:46,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-03 03:45:46,947 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:45:46,947 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:45:46,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-03 03:45:46,947 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 03:45:46,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:45:46,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1011338689, now seen corresponding path program 1 times [2022-11-03 03:45:46,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:45:46,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809593366] [2022-11-03 03:45:46,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:45:46,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:45:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat