./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--host--isp116x-hcd.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --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 9d4cee005db193e9c1facb47684505767d12f23c1b879219be0e7ba3c7b775ac --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:47:18,949 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:47:19,040 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 15:47:19,046 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:47:19,047 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:47:19,072 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:47:19,072 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:47:19,073 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:47:19,074 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:47:19,074 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:47:19,075 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:47:19,075 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:47:19,076 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:47:19,076 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 15:47:19,077 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:47:19,077 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:47:19,078 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 15:47:19,079 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 15:47:19,079 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:47:19,080 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 15:47:19,080 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 15:47:19,081 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 15:47:19,081 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:47:19,082 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:47:19,082 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 15:47:19,083 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:47:19,083 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:47:19,083 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:47:19,084 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:47:19,084 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:47:19,084 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:47:19,085 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:47:19,085 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:47:19,085 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:47:19,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:47:19,086 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:47:19,086 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:47:19,086 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:47:19,086 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 15:47:19,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 15:47:19,087 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:47:19,087 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:47:19,087 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:47:19,087 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:47:19,088 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d4cee005db193e9c1facb47684505767d12f23c1b879219be0e7ba3c7b775ac [2023-12-02 15:47:19,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:47:19,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:47:19,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:47:19,348 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:47:19,348 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:47:19,349 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i [2023-12-02 15:47:22,156 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:47:22,650 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:47:22,651 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i [2023-12-02 15:47:22,715 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/bin/utaipan-verify-nQ1chXbOIh/data/ee26b3ccc/ea24397a34a74866a57aff80ac55f0c0/FLAG28c316aa3 [2023-12-02 15:47:22,731 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/bin/utaipan-verify-nQ1chXbOIh/data/ee26b3ccc/ea24397a34a74866a57aff80ac55f0c0 [2023-12-02 15:47:22,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:47:22,735 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:47:22,737 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:47:22,737 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:47:22,743 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:47:22,744 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:47:22" (1/1) ... [2023-12-02 15:47:22,745 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76c7bc83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:22, skipping insertion in model container [2023-12-02 15:47:22,745 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:47:22" (1/1) ... [2023-12-02 15:47:22,942 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:47:26,273 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[364624,364637] [2023-12-02 15:47:26,277 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[364769,364782] [2023-12-02 15:47:26,278 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[364915,364928] [2023-12-02 15:47:26,279 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365080,365093] [2023-12-02 15:47:26,279 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365238,365251] [2023-12-02 15:47:26,280 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365396,365409] [2023-12-02 15:47:26,281 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365554,365567] [2023-12-02 15:47:26,282 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365714,365727] [2023-12-02 15:47:26,282 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365873,365886] [2023-12-02 15:47:26,283 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366012,366025] [2023-12-02 15:47:26,284 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366154,366167] [2023-12-02 15:47:26,284 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366303,366316] [2023-12-02 15:47:26,285 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366442,366455] [2023-12-02 15:47:26,286 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366597,366610] [2023-12-02 15:47:26,287 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366757,366770] [2023-12-02 15:47:26,287 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366908,366921] [2023-12-02 15:47:26,288 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367059,367072] [2023-12-02 15:47:26,289 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367211,367224] [2023-12-02 15:47:26,290 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367360,367373] [2023-12-02 15:47:26,290 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367508,367521] [2023-12-02 15:47:26,291 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367665,367678] [2023-12-02 15:47:26,292 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367814,367827] [2023-12-02 15:47:26,292 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367970,367983] [2023-12-02 15:47:26,293 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368123,368136] [2023-12-02 15:47:26,294 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368269,368282] [2023-12-02 15:47:26,294 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368412,368425] [2023-12-02 15:47:26,295 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368564,368577] [2023-12-02 15:47:26,296 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368710,368723] [2023-12-02 15:47:26,296 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368855,368868] [2023-12-02 15:47:26,297 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369009,369022] [2023-12-02 15:47:26,298 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369160,369173] [2023-12-02 15:47:26,298 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369315,369328] [2023-12-02 15:47:26,299 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369467,369480] [2023-12-02 15:47:26,300 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369622,369635] [2023-12-02 15:47:26,300 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369786,369799] [2023-12-02 15:47:26,301 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369942,369955] [2023-12-02 15:47:26,302 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370106,370119] [2023-12-02 15:47:26,302 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370248,370261] [2023-12-02 15:47:26,303 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370406,370419] [2023-12-02 15:47:26,304 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370573,370586] [2023-12-02 15:47:26,304 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370732,370745] [2023-12-02 15:47:26,305 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370891,370904] [2023-12-02 15:47:26,306 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371040,371053] [2023-12-02 15:47:26,307 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371187,371200] [2023-12-02 15:47:26,307 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371326,371339] [2023-12-02 15:47:26,308 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371489,371502] [2023-12-02 15:47:26,309 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371655,371668] [2023-12-02 15:47:26,309 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371819,371832] [2023-12-02 15:47:26,310 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371984,371997] [2023-12-02 15:47:26,311 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372149,372162] [2023-12-02 15:47:26,311 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372315,372328] [2023-12-02 15:47:26,312 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372480,372493] [2023-12-02 15:47:26,312 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372647,372660] [2023-12-02 15:47:26,313 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372807,372820] [2023-12-02 15:47:26,313 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372969,372982] [2023-12-02 15:47:26,314 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373128,373141] [2023-12-02 15:47:26,314 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373274,373287] [2023-12-02 15:47:26,315 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373417,373430] [2023-12-02 15:47:26,316 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373561,373574] [2023-12-02 15:47:26,316 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373704,373717] [2023-12-02 15:47:26,317 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373848,373861] [2023-12-02 15:47:26,318 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373989,374002] [2023-12-02 15:47:26,318 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374127,374140] [2023-12-02 15:47:26,319 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374285,374298] [2023-12-02 15:47:26,319 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374444,374457] [2023-12-02 15:47:26,320 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374600,374613] [2023-12-02 15:47:26,320 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374749,374762] [2023-12-02 15:47:26,321 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374901,374914] [2023-12-02 15:47:26,321 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375052,375065] [2023-12-02 15:47:26,321 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375201,375214] [2023-12-02 15:47:26,322 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375353,375366] [2023-12-02 15:47:26,322 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375501,375514] [2023-12-02 15:47:26,323 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375654,375667] [2023-12-02 15:47:26,323 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375805,375818] [2023-12-02 15:47:26,324 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375955,375968] [2023-12-02 15:47:26,325 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376102,376115] [2023-12-02 15:47:26,325 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376253,376266] [2023-12-02 15:47:26,326 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376404,376417] [2023-12-02 15:47:26,326 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376552,376565] [2023-12-02 15:47:26,327 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376718,376731] [2023-12-02 15:47:26,327 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376887,376900] [2023-12-02 15:47:26,327 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377054,377067] [2023-12-02 15:47:26,328 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377222,377235] [2023-12-02 15:47:26,329 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377372,377385] [2023-12-02 15:47:26,329 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377519,377532] [2023-12-02 15:47:26,329 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377680,377693] [2023-12-02 15:47:26,330 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377850,377863] [2023-12-02 15:47:26,330 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[378012,378025] [2023-12-02 15:47:26,339 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:47:26,364 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:47:26,453 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [4495] [2023-12-02 15:47:26,455 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr))); [4503] [2023-12-02 15:47:26,456 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [4510] [2023-12-02 15:47:26,456 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr))); [4517] [2023-12-02 15:47:26,513 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/usb/host/isp116x-hcd.c"), "i" (190), "i" (12UL)); [5611-5612] [2023-12-02 15:47:26,517 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/usb/host/isp116x-hcd.c"), "i" (222), "i" (12UL)); [5662-5663] [2023-12-02 15:47:26,519 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/usb/host/isp116x-hcd.c"), "i" (240), "i" (12UL)); [5694-5695] [2023-12-02 15:47:26,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/usb/host/isp116x-hcd.c"), "i" (271), "i" (12UL)); [5743-5744] [2023-12-02 15:47:26,531 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/usb/host/isp116x-hcd.c"), "i" (358), "i" (12UL)); [5897-5898] [2023-12-02 15:47:26,537 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/usb/host/isp116x-hcd.c"), "i" (466), "i" (12UL)); [6049-6050] [2023-12-02 15:47:26,547 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/usb/host/isp116x-hcd.c"), "i" (546), "i" (12UL)); [6175-6176] [2023-12-02 15:47:26,752 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[364624,364637] [2023-12-02 15:47:26,753 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[364769,364782] [2023-12-02 15:47:26,753 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[364915,364928] [2023-12-02 15:47:26,754 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365080,365093] [2023-12-02 15:47:26,754 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365238,365251] [2023-12-02 15:47:26,755 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365396,365409] [2023-12-02 15:47:26,755 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365554,365567] [2023-12-02 15:47:26,756 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365714,365727] [2023-12-02 15:47:26,756 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365873,365886] [2023-12-02 15:47:26,756 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366012,366025] [2023-12-02 15:47:26,757 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366154,366167] [2023-12-02 15:47:26,757 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366303,366316] [2023-12-02 15:47:26,758 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366442,366455] [2023-12-02 15:47:26,758 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366597,366610] [2023-12-02 15:47:26,758 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366757,366770] [2023-12-02 15:47:26,759 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366908,366921] [2023-12-02 15:47:26,759 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367059,367072] [2023-12-02 15:47:26,760 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367211,367224] [2023-12-02 15:47:26,760 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367360,367373] [2023-12-02 15:47:26,760 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367508,367521] [2023-12-02 15:47:26,761 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367665,367678] [2023-12-02 15:47:26,761 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367814,367827] [2023-12-02 15:47:26,762 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367970,367983] [2023-12-02 15:47:26,762 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368123,368136] [2023-12-02 15:47:26,763 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368269,368282] [2023-12-02 15:47:26,763 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368412,368425] [2023-12-02 15:47:26,764 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368564,368577] [2023-12-02 15:47:26,764 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368710,368723] [2023-12-02 15:47:26,765 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368855,368868] [2023-12-02 15:47:26,765 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369009,369022] [2023-12-02 15:47:26,765 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369160,369173] [2023-12-02 15:47:26,766 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369315,369328] [2023-12-02 15:47:26,766 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369467,369480] [2023-12-02 15:47:26,767 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369622,369635] [2023-12-02 15:47:26,767 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369786,369799] [2023-12-02 15:47:26,767 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369942,369955] [2023-12-02 15:47:26,768 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370106,370119] [2023-12-02 15:47:26,768 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370248,370261] [2023-12-02 15:47:26,769 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370406,370419] [2023-12-02 15:47:26,769 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370573,370586] [2023-12-02 15:47:26,770 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370732,370745] [2023-12-02 15:47:26,770 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370891,370904] [2023-12-02 15:47:26,771 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371040,371053] [2023-12-02 15:47:26,771 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371187,371200] [2023-12-02 15:47:26,771 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371326,371339] [2023-12-02 15:47:26,772 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371489,371502] [2023-12-02 15:47:26,772 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371655,371668] [2023-12-02 15:47:26,773 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371819,371832] [2023-12-02 15:47:26,773 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371984,371997] [2023-12-02 15:47:26,773 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372149,372162] [2023-12-02 15:47:26,774 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372315,372328] [2023-12-02 15:47:26,774 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372480,372493] [2023-12-02 15:47:26,775 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372647,372660] [2023-12-02 15:47:26,775 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372807,372820] [2023-12-02 15:47:26,776 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372969,372982] [2023-12-02 15:47:26,776 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373128,373141] [2023-12-02 15:47:26,776 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373274,373287] [2023-12-02 15:47:26,777 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373417,373430] [2023-12-02 15:47:26,777 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373561,373574] [2023-12-02 15:47:26,778 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373704,373717] [2023-12-02 15:47:26,778 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373848,373861] [2023-12-02 15:47:26,779 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373989,374002] [2023-12-02 15:47:26,779 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374127,374140] [2023-12-02 15:47:26,780 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374285,374298] [2023-12-02 15:47:26,780 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374444,374457] [2023-12-02 15:47:26,781 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374600,374613] [2023-12-02 15:47:26,781 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374749,374762] [2023-12-02 15:47:26,782 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374901,374914] [2023-12-02 15:47:26,782 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375052,375065] [2023-12-02 15:47:26,783 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375201,375214] [2023-12-02 15:47:26,783 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375353,375366] [2023-12-02 15:47:26,784 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375501,375514] [2023-12-02 15:47:26,784 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375654,375667] [2023-12-02 15:47:26,785 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375805,375818] [2023-12-02 15:47:26,785 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375955,375968] [2023-12-02 15:47:26,786 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376102,376115] [2023-12-02 15:47:26,786 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376253,376266] [2023-12-02 15:47:26,787 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376404,376417] [2023-12-02 15:47:26,787 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376552,376565] [2023-12-02 15:47:26,788 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376718,376731] [2023-12-02 15:47:26,788 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376887,376900] [2023-12-02 15:47:26,789 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377054,377067] [2023-12-02 15:47:26,789 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377222,377235] [2023-12-02 15:47:26,790 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377372,377385] [2023-12-02 15:47:26,790 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377519,377532] [2023-12-02 15:47:26,791 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377680,377693] [2023-12-02 15:47:26,791 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377850,377863] [2023-12-02 15:47:26,792 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[378012,378025] [2023-12-02 15:47:26,796 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:47:27,010 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:47:27,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:27 WrapperNode [2023-12-02 15:47:27,011 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:47:27,012 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:47:27,012 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:47:27,012 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:47:27,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:27" (1/1) ... [2023-12-02 15:47:27,106 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:27" (1/1) ... [2023-12-02 15:47:27,329 INFO L138 Inliner]: procedures = 599, calls = 3038, calls flagged for inlining = 294, calls inlined = 217, statements flattened = 7019 [2023-12-02 15:47:27,330 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:47:27,330 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:47:27,331 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:47:27,331 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:47:27,341 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:27" (1/1) ... [2023-12-02 15:47:27,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:27" (1/1) ... [2023-12-02 15:47:27,372 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:27" (1/1) ... [2023-12-02 15:47:27,373 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:27" (1/1) ... [2023-12-02 15:47:27,475 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:27" (1/1) ... [2023-12-02 15:47:27,499 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:27" (1/1) ... [2023-12-02 15:47:27,530 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:27" (1/1) ... [2023-12-02 15:47:27,547 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:27" (1/1) ... [2023-12-02 15:47:27,603 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:47:27,604 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:47:27,604 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:47:27,604 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:47:27,604 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:27" (1/1) ... [2023-12-02 15:47:27,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:47:27,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:47:27,631 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:47:27,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:47:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2023-12-02 15:47:27,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2023-12-02 15:47:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-12-02 15:47:27,665 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-12-02 15:47:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_get_frame [2023-12-02 15:47:27,665 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_get_frame [2023-12-02 15:47:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-12-02 15:47:27,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-12-02 15:47:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2023-12-02 15:47:27,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2023-12-02 15:47:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-12-02 15:47:27,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-12-02 15:47:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2023-12-02 15:47:27,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2023-12-02 15:47:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2023-12-02 15:47:27,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2023-12-02 15:47:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-12-02 15:47:27,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-12-02 15:47:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_isp116x [2023-12-02 15:47:27,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_isp116x [2023-12-02 15:47:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-12-02 15:47:27,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-12-02 15:47:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-12-02 15:47:27,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-12-02 15:47:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2023-12-02 15:47:27,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2023-12-02 15:47:27,667 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_read_reg32 [2023-12-02 15:47:27,668 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_read_reg32 [2023-12-02 15:47:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2023-12-02 15:47:27,668 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2023-12-02 15:47:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 15:47:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_raw_write_data16 [2023-12-02 15:47:27,668 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_raw_write_data16 [2023-12-02 15:47:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2023-12-02 15:47:27,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2023-12-02 15:47:27,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2023-12-02 15:47:27,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2023-12-02 15:47:27,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-12-02 15:47:27,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-12-02 15:47:27,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2023-12-02 15:47:27,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2023-12-02 15:47:27,669 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2023-12-02 15:47:27,669 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2023-12-02 15:47:27,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 15:47:27,669 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_read_data16 [2023-12-02 15:47:27,669 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_read_data16 [2023-12-02 15:47:27,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2023-12-02 15:47:27,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2023-12-02 15:47:27,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2023-12-02 15:47:27,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2023-12-02 15:47:27,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_122 [2023-12-02 15:47:27,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_122 [2023-12-02 15:47:27,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-12-02 15:47:27,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-12-02 15:47:27,670 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_hub_control [2023-12-02 15:47:27,670 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_hub_control [2023-12-02 15:47:27,670 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_reset [2023-12-02 15:47:27,671 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_reset [2023-12-02 15:47:27,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2023-12-02 15:47:27,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2023-12-02 15:47:27,671 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_isp116x [2023-12-02 15:47:27,671 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_isp116x [2023-12-02 15:47:27,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2023-12-02 15:47:27,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2023-12-02 15:47:27,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 15:47:27,671 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-12-02 15:47:27,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-12-02 15:47:27,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:47:27,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-12-02 15:47:27,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-12-02 15:47:27,672 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-12-02 15:47:27,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-12-02 15:47:27,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 15:47:27,672 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-12-02 15:47:27,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-12-02 15:47:27,672 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-12-02 15:47:27,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-12-02 15:47:27,672 INFO L130 BoogieDeclarations]: Found specification of procedure usb_remove_hcd [2023-12-02 15:47:27,673 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_remove_hcd [2023-12-02 15:47:27,673 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_bus_resume [2023-12-02 15:47:27,673 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_bus_resume [2023-12-02 15:47:27,673 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-12-02 15:47:27,673 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-12-02 15:47:27,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2023-12-02 15:47:27,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2023-12-02 15:47:27,673 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_start [2023-12-02 15:47:27,673 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_start [2023-12-02 15:47:27,673 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2023-12-02 15:47:27,673 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2023-12-02 15:47:27,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:47:27,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:47:27,674 INFO L130 BoogieDeclarations]: Found specification of procedure finish_request [2023-12-02 15:47:27,674 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_request [2023-12-02 15:47:27,674 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_write_reg16 [2023-12-02 15:47:27,674 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_write_reg16 [2023-12-02 15:47:27,674 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-12-02 15:47:27,674 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-12-02 15:47:27,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-12-02 15:47:27,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-12-02 15:47:27,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-12-02 15:47:27,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-12-02 15:47:27,675 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2023-12-02 15:47:27,675 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2023-12-02 15:47:27,675 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_write_reg32 [2023-12-02 15:47:27,675 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_write_reg32 [2023-12-02 15:47:27,675 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_sw_reset [2023-12-02 15:47:27,675 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_sw_reset [2023-12-02 15:47:27,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2023-12-02 15:47:27,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2023-12-02 15:47:27,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_isp116x [2023-12-02 15:47:27,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_isp116x [2023-12-02 15:47:27,676 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2023-12-02 15:47:27,676 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2023-12-02 15:47:27,676 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_write_addr [2023-12-02 15:47:27,676 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_write_addr [2023-12-02 15:47:27,676 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_to_hcd [2023-12-02 15:47:27,676 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_to_hcd [2023-12-02 15:47:27,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2023-12-02 15:47:27,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2023-12-02 15:47:27,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2023-12-02 15:47:27,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2023-12-02 15:47:27,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 15:47:27,677 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-12-02 15:47:27,677 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-12-02 15:47:27,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2023-12-02 15:47:27,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2023-12-02 15:47:27,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 15:47:27,677 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2023-12-02 15:47:27,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2023-12-02 15:47:27,677 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2023-12-02 15:47:27,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2023-12-02 15:47:27,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_101 [2023-12-02 15:47:27,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_101 [2023-12-02 15:47:27,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 15:47:27,678 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-12-02 15:47:27,678 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-12-02 15:47:27,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2023-12-02 15:47:27,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2023-12-02 15:47:27,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-12-02 15:47:27,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-12-02 15:47:27,678 INFO L130 BoogieDeclarations]: Found specification of procedure start_atl_transfers [2023-12-02 15:47:27,678 INFO L138 BoogieDeclarations]: Found implementation of procedure start_atl_transfers [2023-12-02 15:47:27,679 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2023-12-02 15:47:27,679 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2023-12-02 15:47:27,679 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_probe [2023-12-02 15:47:27,679 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_probe [2023-12-02 15:47:27,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-12-02 15:47:27,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-12-02 15:47:27,679 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_write_data16 [2023-12-02 15:47:27,679 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_write_data16 [2023-12-02 15:47:27,679 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-12-02 15:47:27,679 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-12-02 15:47:27,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2023-12-02 15:47:27,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2023-12-02 15:47:27,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2023-12-02 15:47:27,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2023-12-02 15:47:27,680 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2023-12-02 15:47:27,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2023-12-02 15:47:27,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2023-12-02 15:47:27,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2023-12-02 15:47:27,680 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-12-02 15:47:27,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-12-02 15:47:27,680 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-12-02 15:47:27,680 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-12-02 15:47:27,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 15:47:27,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2023-12-02 15:47:27,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2023-12-02 15:47:27,681 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-12-02 15:47:27,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-12-02 15:47:27,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-12-02 15:47:27,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-12-02 15:47:27,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_96 [2023-12-02 15:47:27,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_96 [2023-12-02 15:47:27,681 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_read_reg16 [2023-12-02 15:47:27,681 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_read_reg16 [2023-12-02 15:47:27,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2023-12-02 15:47:27,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2023-12-02 15:47:27,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_95 [2023-12-02 15:47:27,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_95 [2023-12-02 15:47:27,682 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_stop [2023-12-02 15:47:27,682 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_stop [2023-12-02 15:47:27,682 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_bus_suspend [2023-12-02 15:47:27,682 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_bus_suspend [2023-12-02 15:47:27,682 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_raw_read_data16 [2023-12-02 15:47:27,682 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_raw_read_data16 [2023-12-02 15:47:27,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-12-02 15:47:27,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-12-02 15:47:27,683 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_resume [2023-12-02 15:47:27,683 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_resume [2023-12-02 15:47:27,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2023-12-02 15:47:27,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2023-12-02 15:47:27,683 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-12-02 15:47:27,683 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-12-02 15:47:27,683 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2023-12-02 15:47:27,683 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2023-12-02 15:47:27,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_121 [2023-12-02 15:47:27,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_121 [2023-12-02 15:47:27,683 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_remove [2023-12-02 15:47:27,684 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_remove [2023-12-02 15:47:27,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 15:47:27,684 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-12-02 15:47:27,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-12-02 15:47:27,684 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2023-12-02 15:47:27,684 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2023-12-02 15:47:28,418 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:47:28,422 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:47:28,691 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-12-02 15:47:34,572 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:47:36,370 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:47:36,370 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 15:47:36,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:47:36 BoogieIcfgContainer [2023-12-02 15:47:36,373 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:47:36,375 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:47:36,375 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:47:36,378 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:47:36,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:47:22" (1/3) ... [2023-12-02 15:47:36,378 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6457c311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:47:36, skipping insertion in model container [2023-12-02 15:47:36,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:27" (2/3) ... [2023-12-02 15:47:36,379 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6457c311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:47:36, skipping insertion in model container [2023-12-02 15:47:36,379 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:47:36" (3/3) ... [2023-12-02 15:47:36,380 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i [2023-12-02 15:47:36,398 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:47:36,399 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2023-12-02 15:47:36,481 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:47:36,487 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=LoopHeads, 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;@ef20741, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:47:36,487 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2023-12-02 15:47:36,500 INFO L276 IsEmpty]: Start isEmpty. Operand has 1813 states, 1073 states have (on average 1.32618825722274) internal successors, (1423), 1139 states have internal predecessors, (1423), 617 states have call successors, (617), 96 states have call predecessors, (617), 95 states have return successors, (610), 602 states have call predecessors, (610), 610 states have call successors, (610) [2023-12-02 15:47:36,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 15:47:36,510 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:47:36,511 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] [2023-12-02 15:47:36,511 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-02 15:47:36,516 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:47:36,517 INFO L85 PathProgramCache]: Analyzing trace with hash -814292909, now seen corresponding path program 1 times [2023-12-02 15:47:36,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:47:36,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195233159] [2023-12-02 15:47:36,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:47:36,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:47:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:47:37,417 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 15:47:37,417 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:47:37,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195233159] [2023-12-02 15:47:37,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195233159] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:47:37,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:47:37,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:47:37,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479019] [2023-12-02 15:47:37,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:47:37,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:47:37,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:47:37,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:47:37,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:47:37,461 INFO L87 Difference]: Start difference. First operand has 1813 states, 1073 states have (on average 1.32618825722274) internal successors, (1423), 1139 states have internal predecessors, (1423), 617 states have call successors, (617), 96 states have call predecessors, (617), 95 states have return successors, (610), 602 states have call predecessors, (610), 610 states have call successors, (610) 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) [2023-12-02 15:47:44,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:47:44,125 INFO L93 Difference]: Finished difference Result 5326 states and 8106 transitions. [2023-12-02 15:47:44,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 15:47:44,129 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 [2023-12-02 15:47:44,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:47:44,179 INFO L225 Difference]: With dead ends: 5326 [2023-12-02 15:47:44,179 INFO L226 Difference]: Without dead ends: 3502 [2023-12-02 15:47:44,207 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 [2023-12-02 15:47:44,210 INFO L413 NwaCegarLoop]: 2317 mSDtfsCounter, 2497 mSDsluCounter, 4613 mSDsCounter, 0 mSdLazyCounter, 887 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2497 SdHoareTripleChecker+Valid, 6930 SdHoareTripleChecker+Invalid, 888 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 887 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2023-12-02 15:47:44,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2497 Valid, 6930 Invalid, 888 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 887 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2023-12-02 15:47:44,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3502 states. [2023-12-02 15:47:44,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3502 to 3328. [2023-12-02 15:47:44,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3328 states, 1987 states have (on average 1.299446401610468) internal successors, (2582), 2080 states have internal predecessors, (2582), 1147 states have call successors, (1147), 168 states have call predecessors, (1147), 166 states have return successors, (1171), 1124 states have call predecessors, (1171), 1145 states have call successors, (1171) [2023-12-02 15:47:44,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3328 states to 3328 states and 4900 transitions. [2023-12-02 15:47:44,550 INFO L78 Accepts]: Start accepts. Automaton has 3328 states and 4900 transitions. Word has length 47 [2023-12-02 15:47:44,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:47:44,551 INFO L495 AbstractCegarLoop]: Abstraction has 3328 states and 4900 transitions. [2023-12-02 15:47:44,552 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) [2023-12-02 15:47:44,552 INFO L276 IsEmpty]: Start isEmpty. Operand 3328 states and 4900 transitions. [2023-12-02 15:47:44,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 15:47:44,556 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:47:44,556 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] [2023-12-02 15:47:44,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 15:47:44,557 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-02 15:47:44,558 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:47:44,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1259954466, now seen corresponding path program 1 times [2023-12-02 15:47:44,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:47:44,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341610477] [2023-12-02 15:47:44,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:47:44,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:47:44,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:47:45,165 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 15:47:45,165 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:47:45,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341610477] [2023-12-02 15:47:45,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341610477] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:47:45,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:47:45,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:47:45,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782556617] [2023-12-02 15:47:45,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:47:45,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:47:45,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:47:45,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:47:45,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:47:45,169 INFO L87 Difference]: Start difference. First operand 3328 states and 4900 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) [2023-12-02 15:47:48,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:47:50,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:47:51,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:47:51,290 INFO L93 Difference]: Finished difference Result 3328 states and 4900 transitions. [2023-12-02 15:47:51,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 15:47:51,292 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 [2023-12-02 15:47:51,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:47:51,321 INFO L225 Difference]: With dead ends: 3328 [2023-12-02 15:47:51,321 INFO L226 Difference]: Without dead ends: 3326 [2023-12-02 15:47:51,324 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 [2023-12-02 15:47:51,325 INFO L413 NwaCegarLoop]: 2294 mSDtfsCounter, 2567 mSDsluCounter, 2294 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2567 SdHoareTripleChecker+Valid, 4588 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2023-12-02 15:47:51,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2567 Valid, 4588 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2023-12-02 15:47:51,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3326 states. [2023-12-02 15:47:51,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3326 to 3326. [2023-12-02 15:47:51,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3326 states, 1986 states have (on average 1.299093655589124) internal successors, (2580), 2078 states have internal predecessors, (2580), 1147 states have call successors, (1147), 168 states have call predecessors, (1147), 166 states have return successors, (1171), 1124 states have call predecessors, (1171), 1145 states have call successors, (1171) [2023-12-02 15:47:51,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3326 states to 3326 states and 4898 transitions. [2023-12-02 15:47:51,591 INFO L78 Accepts]: Start accepts. Automaton has 3326 states and 4898 transitions. Word has length 52 [2023-12-02 15:47:51,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:47:51,592 INFO L495 AbstractCegarLoop]: Abstraction has 3326 states and 4898 transitions. [2023-12-02 15:47:51,592 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) [2023-12-02 15:47:51,592 INFO L276 IsEmpty]: Start isEmpty. Operand 3326 states and 4898 transitions. [2023-12-02 15:47:51,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-02 15:47:51,595 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:47:51,595 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] [2023-12-02 15:47:51,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 15:47:51,596 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-02 15:47:51,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:47:51,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1468820238, now seen corresponding path program 1 times [2023-12-02 15:47:51,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:47:51,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588801473] [2023-12-02 15:47:51,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:47:51,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:47:51,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:47:52,034 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 15:47:52,035 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:47:52,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588801473] [2023-12-02 15:47:52,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588801473] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:47:52,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:47:52,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:47:52,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882980999] [2023-12-02 15:47:52,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:47:52,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:47:52,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:47:52,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:47:52,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:47:52,037 INFO L87 Difference]: Start difference. First operand 3326 states and 4898 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) [2023-12-02 15:47:55,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:47:55,915 INFO L93 Difference]: Finished difference Result 3326 states and 4898 transitions. [2023-12-02 15:47:55,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 15:47:55,916 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 [2023-12-02 15:47:55,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:47:55,936 INFO L225 Difference]: With dead ends: 3326 [2023-12-02 15:47:55,937 INFO L226 Difference]: Without dead ends: 3324 [2023-12-02 15:47:55,973 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 [2023-12-02 15:47:55,974 INFO L413 NwaCegarLoop]: 2292 mSDtfsCounter, 2564 mSDsluCounter, 2292 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2564 SdHoareTripleChecker+Valid, 4584 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-12-02 15:47:55,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2564 Valid, 4584 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-12-02 15:47:55,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3324 states. [2023-12-02 15:47:56,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3324 to 3324. [2023-12-02 15:47:56,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3324 states, 1985 states have (on average 1.2987405541561712) internal successors, (2578), 2076 states have internal predecessors, (2578), 1147 states have call successors, (1147), 168 states have call predecessors, (1147), 166 states have return successors, (1171), 1124 states have call predecessors, (1171), 1145 states have call successors, (1171) [2023-12-02 15:47:56,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3324 states to 3324 states and 4896 transitions. [2023-12-02 15:47:56,144 INFO L78 Accepts]: Start accepts. Automaton has 3324 states and 4896 transitions. Word has length 57 [2023-12-02 15:47:56,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:47:56,144 INFO L495 AbstractCegarLoop]: Abstraction has 3324 states and 4896 transitions. [2023-12-02 15:47:56,145 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) [2023-12-02 15:47:56,145 INFO L276 IsEmpty]: Start isEmpty. Operand 3324 states and 4896 transitions. [2023-12-02 15:47:56,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 15:47:56,148 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:47:56,148 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] [2023-12-02 15:47:56,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 15:47:56,149 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-02 15:47:56,149 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:47:56,149 INFO L85 PathProgramCache]: Analyzing trace with hash 938018879, now seen corresponding path program 1 times [2023-12-02 15:47:56,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:47:56,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749402377] [2023-12-02 15:47:56,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:47:56,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:47:56,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:47:56,468 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 15:47:56,469 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:47:56,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749402377] [2023-12-02 15:47:56,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749402377] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:47:56,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:47:56,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:47:56,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820132986] [2023-12-02 15:47:56,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:47:56,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:47:56,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:47:56,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:47:56,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:47:56,471 INFO L87 Difference]: Start difference. First operand 3324 states and 4896 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) [2023-12-02 15:47:59,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:48:01,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:48:01,287 INFO L93 Difference]: Finished difference Result 3324 states and 4896 transitions. [2023-12-02 15:48:01,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 15:48:01,288 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 [2023-12-02 15:48:01,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:48:01,308 INFO L225 Difference]: With dead ends: 3324 [2023-12-02 15:48:01,309 INFO L226 Difference]: Without dead ends: 3322 [2023-12-02 15:48:01,310 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 [2023-12-02 15:48:01,311 INFO L413 NwaCegarLoop]: 2290 mSDtfsCounter, 2561 mSDsluCounter, 2290 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2561 SdHoareTripleChecker+Valid, 4580 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-12-02 15:48:01,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2561 Valid, 4580 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-12-02 15:48:01,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3322 states. [2023-12-02 15:48:01,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3322 to 3322. [2023-12-02 15:48:01,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3322 states, 1984 states have (on average 1.2983870967741935) internal successors, (2576), 2074 states have internal predecessors, (2576), 1147 states have call successors, (1147), 168 states have call predecessors, (1147), 166 states have return successors, (1171), 1124 states have call predecessors, (1171), 1145 states have call successors, (1171) [2023-12-02 15:48:01,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3322 states to 3322 states and 4894 transitions. [2023-12-02 15:48:01,589 INFO L78 Accepts]: Start accepts. Automaton has 3322 states and 4894 transitions. Word has length 62 [2023-12-02 15:48:01,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:48:01,590 INFO L495 AbstractCegarLoop]: Abstraction has 3322 states and 4894 transitions. [2023-12-02 15:48:01,590 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) [2023-12-02 15:48:01,590 INFO L276 IsEmpty]: Start isEmpty. Operand 3322 states and 4894 transitions. [2023-12-02 15:48:01,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-02 15:48:01,593 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:48:01,594 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] [2023-12-02 15:48:01,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 15:48:01,594 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-02 15:48:01,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:48:01,595 INFO L85 PathProgramCache]: Analyzing trace with hash -523238799, now seen corresponding path program 1 times [2023-12-02 15:48:01,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:48:01,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751004027] [2023-12-02 15:48:01,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:48:01,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:48:01,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:48:01,944 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 15:48:01,944 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:48:01,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751004027] [2023-12-02 15:48:01,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751004027] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:48:01,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:48:01,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:48:01,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567484643] [2023-12-02 15:48:01,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:48:01,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:48:01,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:48:01,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:48:01,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:48:01,947 INFO L87 Difference]: Start difference. First operand 3322 states and 4894 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) [2023-12-02 15:48:04,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:48:05,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:48:05,011 INFO L93 Difference]: Finished difference Result 6622 states and 9756 transitions. [2023-12-02 15:48:05,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:48:05,012 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 [2023-12-02 15:48:05,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:48:05,032 INFO L225 Difference]: With dead ends: 6622 [2023-12-02 15:48:05,032 INFO L226 Difference]: Without dead ends: 3316 [2023-12-02 15:48:05,045 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 [2023-12-02 15:48:05,045 INFO L413 NwaCegarLoop]: 2286 mSDtfsCounter, 2571 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2571 SdHoareTripleChecker+Valid, 2286 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-02 15:48:05,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2571 Valid, 2286 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-02 15:48:05,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3316 states. [2023-12-02 15:48:05,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3316 to 3316. [2023-12-02 15:48:05,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3316 states, 1979 states have (on average 1.2971197574532591) internal successors, (2567), 2068 states have internal predecessors, (2567), 1147 states have call successors, (1147), 168 states have call predecessors, (1147), 166 states have return successors, (1171), 1124 states have call predecessors, (1171), 1145 states have call successors, (1171) [2023-12-02 15:48:05,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3316 states to 3316 states and 4885 transitions. [2023-12-02 15:48:05,278 INFO L78 Accepts]: Start accepts. Automaton has 3316 states and 4885 transitions. Word has length 72 [2023-12-02 15:48:05,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:48:05,279 INFO L495 AbstractCegarLoop]: Abstraction has 3316 states and 4885 transitions. [2023-12-02 15:48:05,279 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) [2023-12-02 15:48:05,279 INFO L276 IsEmpty]: Start isEmpty. Operand 3316 states and 4885 transitions. [2023-12-02 15:48:05,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-02 15:48:05,281 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:48:05,281 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] [2023-12-02 15:48:05,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 15:48:05,282 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_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-02 15:48:05,282 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:48:05,282 INFO L85 PathProgramCache]: Analyzing trace with hash 391385819, now seen corresponding path program 1 times [2023-12-02 15:48:05,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:48:05,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496837352] [2023-12-02 15:48:05,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:48:05,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:48:05,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:48:05,656 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 15:48:05,656 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:48:05,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496837352] [2023-12-02 15:48:05,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496837352] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:48:05,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:48:05,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:48:05,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473085422] [2023-12-02 15:48:05,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:48:05,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:48:05,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:48:05,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:48:05,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:48:05,659 INFO L87 Difference]: Start difference. First operand 3316 states and 4885 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) [2023-12-02 15:48:08,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:48:08,997 INFO L93 Difference]: Finished difference Result 3316 states and 4885 transitions. [2023-12-02 15:48:08,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 15:48:08,999 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 [2023-12-02 15:48:08,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:48:09,022 INFO L225 Difference]: With dead ends: 3316 [2023-12-02 15:48:09,022 INFO L226 Difference]: Without dead ends: 3314 [2023-12-02 15:48:09,024 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 [2023-12-02 15:48:09,025 INFO L413 NwaCegarLoop]: 2283 mSDtfsCounter, 2553 mSDsluCounter, 2283 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2553 SdHoareTripleChecker+Valid, 4566 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-12-02 15:48:09,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2553 Valid, 4566 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-12-02 15:48:09,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3314 states. [2023-12-02 15:48:09,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3314 to 3314. [2023-12-02 15:48:09,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3314 states, 1978 states have (on average 1.2967644084934278) internal successors, (2565), 2066 states have internal predecessors, (2565), 1147 states have call successors, (1147), 168 states have call predecessors, (1147), 166 states have return successors, (1171), 1124 states have call predecessors, (1171), 1145 states have call successors, (1171) [2023-12-02 15:48:09,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3314 states to 3314 states and 4883 transitions. [2023-12-02 15:48:09,292 INFO L78 Accepts]: Start accepts. Automaton has 3314 states and 4883 transitions. Word has length 67 [2023-12-02 15:48:09,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:48:09,293 INFO L495 AbstractCegarLoop]: Abstraction has 3314 states and 4883 transitions. [2023-12-02 15:48:09,293 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) [2023-12-02 15:48:09,293 INFO L276 IsEmpty]: Start isEmpty. Operand 3314 states and 4883 transitions. [2023-12-02 15:48:09,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-02 15:48:09,294 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:48:09,295 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] [2023-12-02 15:48:09,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-02 15:48:09,295 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-02 15:48:09,296 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:48:09,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1757607331, now seen corresponding path program 1 times [2023-12-02 15:48:09,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:48:09,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666033243] [2023-12-02 15:48:09,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:48:09,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:48:09,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:48:09,618 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-12-02 15:48:09,618 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:48:09,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666033243] [2023-12-02 15:48:09,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666033243] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:48:09,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1671885879] [2023-12-02 15:48:09,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:48:09,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:48:09,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:48:09,622 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:48:09,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 15:48:10,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:48:10,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 3022 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 15:48:10,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:48:10,679 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 15:48:10,679 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:48:10,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1671885879] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:48:10,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 15:48:10,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-12-02 15:48:10,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350778166] [2023-12-02 15:48:10,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:48:10,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:48:10,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:48:10,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:48:10,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-12-02 15:48:10,682 INFO L87 Difference]: Start difference. First operand 3314 states and 4883 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) [2023-12-02 15:48:13,120 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 [] [2023-12-02 15:48:13,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:48:13,654 INFO L93 Difference]: Finished difference Result 6606 states and 9734 transitions. [2023-12-02 15:48:13,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:48:13,656 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 [2023-12-02 15:48:13,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:48:13,684 INFO L225 Difference]: With dead ends: 6606 [2023-12-02 15:48:13,684 INFO L226 Difference]: Without dead ends: 3308 [2023-12-02 15:48:13,704 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 [2023-12-02 15:48:13,705 INFO L413 NwaCegarLoop]: 2279 mSDtfsCounter, 2556 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2556 SdHoareTripleChecker+Valid, 2279 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-02 15:48:13,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2556 Valid, 2279 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-02 15:48:13,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3308 states. [2023-12-02 15:48:13,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3308 to 3308. [2023-12-02 15:48:13,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3308 states, 1973 states have (on average 1.2954891028890014) internal successors, (2556), 2060 states have internal predecessors, (2556), 1147 states have call successors, (1147), 168 states have call predecessors, (1147), 166 states have return successors, (1171), 1124 states have call predecessors, (1171), 1145 states have call successors, (1171) [2023-12-02 15:48:13,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3308 states to 3308 states and 4874 transitions. [2023-12-02 15:48:13,981 INFO L78 Accepts]: Start accepts. Automaton has 3308 states and 4874 transitions. Word has length 77 [2023-12-02 15:48:13,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:48:13,982 INFO L495 AbstractCegarLoop]: Abstraction has 3308 states and 4874 transitions. [2023-12-02 15:48:13,982 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) [2023-12-02 15:48:13,982 INFO L276 IsEmpty]: Start isEmpty. Operand 3308 states and 4874 transitions. [2023-12-02 15:48:13,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-02 15:48:13,984 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:48:13,984 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] [2023-12-02 15:48:13,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 15:48:14,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:48:14,185 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_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-02 15:48:14,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:48:14,185 INFO L85 PathProgramCache]: Analyzing trace with hash -346228082, now seen corresponding path program 1 times [2023-12-02 15:48:14,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:48:14,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308295514] [2023-12-02 15:48:14,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:48:14,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:48:14,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:48:14,596 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 15:48:14,596 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:48:14,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308295514] [2023-12-02 15:48:14,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308295514] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:48:14,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:48:14,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:48:14,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411033194] [2023-12-02 15:48:14,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:48:14,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:48:14,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:48:14,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:48:14,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:48:14,599 INFO L87 Difference]: Start difference. First operand 3308 states and 4874 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) [2023-12-02 15:48:19,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:48:20,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:48:20,346 INFO L93 Difference]: Finished difference Result 3308 states and 4874 transitions. [2023-12-02 15:48:20,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 15:48:20,347 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 [2023-12-02 15:48:20,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:48:20,370 INFO L225 Difference]: With dead ends: 3308 [2023-12-02 15:48:20,371 INFO L226 Difference]: Without dead ends: 3306 [2023-12-02 15:48:20,373 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 [2023-12-02 15:48:20,374 INFO L413 NwaCegarLoop]: 2276 mSDtfsCounter, 2545 mSDsluCounter, 2276 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2545 SdHoareTripleChecker+Valid, 4552 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-12-02 15:48:20,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2545 Valid, 4552 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2023-12-02 15:48:20,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3306 states. [2023-12-02 15:48:20,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3306 to 3306. [2023-12-02 15:48:20,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3306 states, 1972 states have (on average 1.295131845841785) internal successors, (2554), 2058 states have internal predecessors, (2554), 1147 states have call successors, (1147), 168 states have call predecessors, (1147), 166 states have return successors, (1171), 1124 states have call predecessors, (1171), 1145 states have call successors, (1171) [2023-12-02 15:48:20,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3306 states to 3306 states and 4872 transitions. [2023-12-02 15:48:20,686 INFO L78 Accepts]: Start accepts. Automaton has 3306 states and 4872 transitions. Word has length 72 [2023-12-02 15:48:20,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:48:20,687 INFO L495 AbstractCegarLoop]: Abstraction has 3306 states and 4872 transitions. [2023-12-02 15:48:20,687 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) [2023-12-02 15:48:20,687 INFO L276 IsEmpty]: Start isEmpty. Operand 3306 states and 4872 transitions. [2023-12-02 15:48:20,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-02 15:48:20,689 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:48:20,689 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] [2023-12-02 15:48:20,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-02 15:48:20,689 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_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-02 15:48:20,690 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:48:20,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1662287191, now seen corresponding path program 1 times [2023-12-02 15:48:20,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:48:20,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113368415] [2023-12-02 15:48:20,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:48:20,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:48:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:48:21,086 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 15:48:21,086 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:48:21,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113368415] [2023-12-02 15:48:21,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113368415] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:48:21,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:48:21,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:48:21,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009683768] [2023-12-02 15:48:21,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:48:21,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:48:21,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:48:21,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:48:21,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:48:21,089 INFO L87 Difference]: Start difference. First operand 3306 states and 4872 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) [2023-12-02 15:48:25,418 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 [] [2023-12-02 15:48:26,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:48:26,440 INFO L93 Difference]: Finished difference Result 3306 states and 4872 transitions. [2023-12-02 15:48:26,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 15:48:26,441 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 [2023-12-02 15:48:26,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:48:26,451 INFO L225 Difference]: With dead ends: 3306 [2023-12-02 15:48:26,451 INFO L226 Difference]: Without dead ends: 3304 [2023-12-02 15:48:26,452 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 [2023-12-02 15:48:26,453 INFO L413 NwaCegarLoop]: 2274 mSDtfsCounter, 2542 mSDsluCounter, 2274 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2542 SdHoareTripleChecker+Valid, 4548 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:48:26,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2542 Valid, 4548 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-12-02 15:48:26,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3304 states. [2023-12-02 15:48:26,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3304 to 3304. [2023-12-02 15:48:26,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3304 states, 1971 states have (on average 1.2947742262810755) internal successors, (2552), 2056 states have internal predecessors, (2552), 1147 states have call successors, (1147), 168 states have call predecessors, (1147), 166 states have return successors, (1171), 1124 states have call predecessors, (1171), 1145 states have call successors, (1171) [2023-12-02 15:48:26,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3304 states to 3304 states and 4870 transitions. [2023-12-02 15:48:26,661 INFO L78 Accepts]: Start accepts. Automaton has 3304 states and 4870 transitions. Word has length 77 [2023-12-02 15:48:26,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:48:26,661 INFO L495 AbstractCegarLoop]: Abstraction has 3304 states and 4870 transitions. [2023-12-02 15:48:26,661 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) [2023-12-02 15:48:26,661 INFO L276 IsEmpty]: Start isEmpty. Operand 3304 states and 4870 transitions. [2023-12-02 15:48:26,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-02 15:48:26,662 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:48:26,663 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] [2023-12-02 15:48:26,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-02 15:48:26,663 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-02 15:48:26,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:48:26,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1953402846, now seen corresponding path program 1 times [2023-12-02 15:48:26,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:48:26,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132520215] [2023-12-02 15:48:26,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:48:26,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:48:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:48:27,012 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 15:48:27,013 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:48:27,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132520215] [2023-12-02 15:48:27,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132520215] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:48:27,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:48:27,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:48:27,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084361355] [2023-12-02 15:48:27,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:48:27,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:48:27,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:48:27,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:48:27,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:48:27,016 INFO L87 Difference]: Start difference. First operand 3304 states and 4870 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) [2023-12-02 15:48:31,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:48:31,514 INFO L93 Difference]: Finished difference Result 3304 states and 4870 transitions. [2023-12-02 15:48:31,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 15:48:31,516 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 [2023-12-02 15:48:31,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:48:31,531 INFO L225 Difference]: With dead ends: 3304 [2023-12-02 15:48:31,531 INFO L226 Difference]: Without dead ends: 3302 [2023-12-02 15:48:31,533 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 [2023-12-02 15:48:31,534 INFO L413 NwaCegarLoop]: 2272 mSDtfsCounter, 2539 mSDsluCounter, 2271 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2539 SdHoareTripleChecker+Valid, 4543 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-12-02 15:48:31,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2539 Valid, 4543 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-12-02 15:48:31,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3302 states. [2023-12-02 15:48:31,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3302 to 3302. [2023-12-02 15:48:31,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3302 states, 1970 states have (on average 1.2944162436548223) internal successors, (2550), 2054 states have internal predecessors, (2550), 1147 states have call successors, (1147), 168 states have call predecessors, (1147), 166 states have return successors, (1171), 1124 states have call predecessors, (1171), 1145 states have call successors, (1171) [2023-12-02 15:48:31,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3302 states to 3302 states and 4868 transitions. [2023-12-02 15:48:31,811 INFO L78 Accepts]: Start accepts. Automaton has 3302 states and 4868 transitions. Word has length 82 [2023-12-02 15:48:31,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:48:31,812 INFO L495 AbstractCegarLoop]: Abstraction has 3302 states and 4868 transitions. [2023-12-02 15:48:31,812 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) [2023-12-02 15:48:31,812 INFO L276 IsEmpty]: Start isEmpty. Operand 3302 states and 4868 transitions. [2023-12-02 15:48:31,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 15:48:31,813 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:48:31,813 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] [2023-12-02 15:48:31,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-02 15:48:31,813 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-02 15:48:31,814 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:48:31,814 INFO L85 PathProgramCache]: Analyzing trace with hash -319290235, now seen corresponding path program 1 times [2023-12-02 15:48:31,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:48:31,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064632551] [2023-12-02 15:48:31,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:48:31,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:48:31,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:48:32,064 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 15:48:32,064 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:48:32,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064632551] [2023-12-02 15:48:32,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064632551] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:48:32,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:48:32,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:48:32,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639741408] [2023-12-02 15:48:32,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:48:32,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:48:32,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:48:32,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:48:32,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:48:32,065 INFO L87 Difference]: Start difference. First operand 3302 states and 4868 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) [2023-12-02 15:48:35,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:48:35,931 INFO L93 Difference]: Finished difference Result 3302 states and 4868 transitions. [2023-12-02 15:48:35,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 15:48:35,932 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 [2023-12-02 15:48:35,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:48:35,941 INFO L225 Difference]: With dead ends: 3302 [2023-12-02 15:48:35,941 INFO L226 Difference]: Without dead ends: 3300 [2023-12-02 15:48:35,942 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 15:48:35,942 INFO L413 NwaCegarLoop]: 2270 mSDtfsCounter, 2535 mSDsluCounter, 2270 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2535 SdHoareTripleChecker+Valid, 4540 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-12-02 15:48:35,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2535 Valid, 4540 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-12-02 15:48:35,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3300 states. [2023-12-02 15:48:36,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3300 to 3300. [2023-12-02 15:48:36,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3300 states, 1969 states have (on average 1.2940578974098527) internal successors, (2548), 2052 states have internal predecessors, (2548), 1147 states have call successors, (1147), 168 states have call predecessors, (1147), 166 states have return successors, (1171), 1124 states have call predecessors, (1171), 1145 states have call successors, (1171) [2023-12-02 15:48:36,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3300 states to 3300 states and 4866 transitions. [2023-12-02 15:48:36,172 INFO L78 Accepts]: Start accepts. Automaton has 3300 states and 4866 transitions. Word has length 84 [2023-12-02 15:48:36,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:48:36,173 INFO L495 AbstractCegarLoop]: Abstraction has 3300 states and 4866 transitions. [2023-12-02 15:48:36,173 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) [2023-12-02 15:48:36,173 INFO L276 IsEmpty]: Start isEmpty. Operand 3300 states and 4866 transitions. [2023-12-02 15:48:36,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-02 15:48:36,174 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:48:36,174 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] [2023-12-02 15:48:36,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-02 15:48:36,174 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-02 15:48:36,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:48:36,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1299869749, now seen corresponding path program 1 times [2023-12-02 15:48:36,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:48:36,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168336976] [2023-12-02 15:48:36,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:48:36,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:48:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:48:36,536 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 15:48:36,537 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:48:36,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168336976] [2023-12-02 15:48:36,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168336976] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:48:36,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:48:36,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:48:36,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834294418] [2023-12-02 15:48:36,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:48:36,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:48:36,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:48:36,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:48:36,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:48:36,539 INFO L87 Difference]: Start difference. First operand 3300 states and 4866 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) [2023-12-02 15:48:41,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:48:41,148 INFO L93 Difference]: Finished difference Result 3300 states and 4866 transitions. [2023-12-02 15:48:41,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 15:48:41,149 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 [2023-12-02 15:48:41,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:48:41,164 INFO L225 Difference]: With dead ends: 3300 [2023-12-02 15:48:41,164 INFO L226 Difference]: Without dead ends: 3298 [2023-12-02 15:48:41,167 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 [2023-12-02 15:48:41,167 INFO L413 NwaCegarLoop]: 2268 mSDtfsCounter, 2534 mSDsluCounter, 2268 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2534 SdHoareTripleChecker+Valid, 4536 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-12-02 15:48:41,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2534 Valid, 4536 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-12-02 15:48:41,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3298 states. [2023-12-02 15:48:41,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3298 to 3298. [2023-12-02 15:48:41,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3298 states, 1968 states have (on average 1.29369918699187) internal successors, (2546), 2050 states have internal predecessors, (2546), 1147 states have call successors, (1147), 168 states have call predecessors, (1147), 166 states have return successors, (1171), 1124 states have call predecessors, (1171), 1145 states have call successors, (1171) [2023-12-02 15:48:41,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3298 states to 3298 states and 4864 transitions. [2023-12-02 15:48:41,575 INFO L78 Accepts]: Start accepts. Automaton has 3298 states and 4864 transitions. Word has length 89 [2023-12-02 15:48:41,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:48:41,576 INFO L495 AbstractCegarLoop]: Abstraction has 3298 states and 4864 transitions. [2023-12-02 15:48:41,576 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) [2023-12-02 15:48:41,576 INFO L276 IsEmpty]: Start isEmpty. Operand 3298 states and 4864 transitions. [2023-12-02 15:48:41,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-02 15:48:41,578 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:48:41,578 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] [2023-12-02 15:48:41,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-02 15:48:41,579 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-02 15:48:41,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:48:41,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1886647971, now seen corresponding path program 1 times [2023-12-02 15:48:41,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:48:41,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006896680] [2023-12-02 15:48:41,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:48:41,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:48:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:48:41,965 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 15:48:41,965 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:48:41,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006896680] [2023-12-02 15:48:41,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006896680] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:48:41,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:48:41,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:48:41,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153803168] [2023-12-02 15:48:41,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:48:41,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:48:41,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:48:41,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:48:41,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:48:41,967 INFO L87 Difference]: Start difference. First operand 3298 states and 4864 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) [2023-12-02 15:48:45,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:48:47,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:48:47,359 INFO L93 Difference]: Finished difference Result 3298 states and 4864 transitions. [2023-12-02 15:48:47,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 15:48:47,360 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 [2023-12-02 15:48:47,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:48:47,374 INFO L225 Difference]: With dead ends: 3298 [2023-12-02 15:48:47,374 INFO L226 Difference]: Without dead ends: 3296 [2023-12-02 15:48:47,376 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 [2023-12-02 15:48:47,376 INFO L413 NwaCegarLoop]: 2266 mSDtfsCounter, 2531 mSDsluCounter, 2266 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2531 SdHoareTripleChecker+Valid, 4532 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-12-02 15:48:47,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2531 Valid, 4532 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2023-12-02 15:48:47,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3296 states. [2023-12-02 15:48:47,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3296 to 3296. [2023-12-02 15:48:47,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3296 states, 1967 states have (on average 1.29334011184545) internal successors, (2544), 2048 states have internal predecessors, (2544), 1147 states have call successors, (1147), 168 states have call predecessors, (1147), 166 states have return successors, (1171), 1124 states have call predecessors, (1171), 1145 states have call successors, (1171) [2023-12-02 15:48:47,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3296 states to 3296 states and 4862 transitions. [2023-12-02 15:48:47,704 INFO L78 Accepts]: Start accepts. Automaton has 3296 states and 4862 transitions. Word has length 94 [2023-12-02 15:48:47,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:48:47,705 INFO L495 AbstractCegarLoop]: Abstraction has 3296 states and 4862 transitions. [2023-12-02 15:48:47,705 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) [2023-12-02 15:48:47,705 INFO L276 IsEmpty]: Start isEmpty. Operand 3296 states and 4862 transitions. [2023-12-02 15:48:47,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-02 15:48:47,707 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:48:47,707 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] [2023-12-02 15:48:47,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-02 15:48:47,707 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-02 15:48:47,707 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:48:47,708 INFO L85 PathProgramCache]: Analyzing trace with hash 211607328, now seen corresponding path program 1 times [2023-12-02 15:48:47,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:48:47,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741276860] [2023-12-02 15:48:47,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:48:47,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:48:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:48:47,969 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 15:48:47,969 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:48:47,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741276860] [2023-12-02 15:48:47,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741276860] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:48:47,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:48:47,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:48:47,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661474225] [2023-12-02 15:48:47,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:48:47,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:48:47,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:48:47,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:48:47,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:48:47,972 INFO L87 Difference]: Start difference. First operand 3296 states and 4862 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) [2023-12-02 15:48:52,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:48:53,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:48:53,143 INFO L93 Difference]: Finished difference Result 3296 states and 4862 transitions. [2023-12-02 15:48:53,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 15:48:53,145 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 [2023-12-02 15:48:53,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:48:53,153 INFO L225 Difference]: With dead ends: 3296 [2023-12-02 15:48:53,153 INFO L226 Difference]: Without dead ends: 3294 [2023-12-02 15:48:53,154 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 [2023-12-02 15:48:53,154 INFO L413 NwaCegarLoop]: 2264 mSDtfsCounter, 2528 mSDsluCounter, 2264 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2528 SdHoareTripleChecker+Valid, 4528 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-12-02 15:48:53,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2528 Valid, 4528 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-12-02 15:48:53,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3294 states. [2023-12-02 15:48:53,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3294 to 3294. [2023-12-02 15:48:53,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3294 states, 1966 states have (on average 1.2929806714140386) internal successors, (2542), 2046 states have internal predecessors, (2542), 1147 states have call successors, (1147), 168 states have call predecessors, (1147), 166 states have return successors, (1171), 1124 states have call predecessors, (1171), 1145 states have call successors, (1171) [2023-12-02 15:48:53,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3294 states to 3294 states and 4860 transitions. [2023-12-02 15:48:53,423 INFO L78 Accepts]: Start accepts. Automaton has 3294 states and 4860 transitions. Word has length 99 [2023-12-02 15:48:53,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:48:53,424 INFO L495 AbstractCegarLoop]: Abstraction has 3294 states and 4860 transitions. [2023-12-02 15:48:53,424 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) [2023-12-02 15:48:53,424 INFO L276 IsEmpty]: Start isEmpty. Operand 3294 states and 4860 transitions. [2023-12-02 15:48:53,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 15:48:53,426 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:48:53,426 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] [2023-12-02 15:48:53,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-02 15:48:53,426 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_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-02 15:48:53,426 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:48:53,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1523470791, now seen corresponding path program 1 times [2023-12-02 15:48:53,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:48:53,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836243163] [2023-12-02 15:48:53,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:48:53,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:48:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:48:53,881 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-12-02 15:48:53,881 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:48:53,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836243163] [2023-12-02 15:48:53,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836243163] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:48:53,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:48:53,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 15:48:53,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397456777] [2023-12-02 15:48:53,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:48:53,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 15:48:53,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:48:53,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 15:48:53,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 15:48:53,883 INFO L87 Difference]: Start difference. First operand 3294 states and 4860 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 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) [2023-12-02 15:48:59,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:49:01,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:49:03,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:49:03,101 INFO L93 Difference]: Finished difference Result 3356 states and 4903 transitions. [2023-12-02 15:49:03,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 15:49:03,103 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 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 131 [2023-12-02 15:49:03,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:49:03,114 INFO L225 Difference]: With dead ends: 3356 [2023-12-02 15:49:03,114 INFO L226 Difference]: Without dead ends: 3354 [2023-12-02 15:49:03,115 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 [2023-12-02 15:49:03,116 INFO L413 NwaCegarLoop]: 2260 mSDtfsCounter, 1343 mSDsluCounter, 5580 mSDsCounter, 0 mSdLazyCounter, 1019 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1344 SdHoareTripleChecker+Valid, 7840 SdHoareTripleChecker+Invalid, 1022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1019 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2023-12-02 15:49:03,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1344 Valid, 7840 Invalid, 1022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1019 Invalid, 2 Unknown, 0 Unchecked, 8.8s Time] [2023-12-02 15:49:03,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3354 states. [2023-12-02 15:49:03,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3354 to 3354. [2023-12-02 15:49:03,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3354 states, 1996 states have (on average 1.2875751503006012) internal successors, (2570), 2075 states have internal predecessors, (2570), 1153 states have call successors, (1153), 193 states have call predecessors, (1153), 191 states have return successors, (1177), 1130 states have call predecessors, (1177), 1151 states have call successors, (1177) [2023-12-02 15:49:03,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3354 states to 3354 states and 4900 transitions. [2023-12-02 15:49:03,401 INFO L78 Accepts]: Start accepts. Automaton has 3354 states and 4900 transitions. Word has length 131 [2023-12-02 15:49:03,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:49:03,402 INFO L495 AbstractCegarLoop]: Abstraction has 3354 states and 4900 transitions. [2023-12-02 15:49:03,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 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) [2023-12-02 15:49:03,402 INFO L276 IsEmpty]: Start isEmpty. Operand 3354 states and 4900 transitions. [2023-12-02 15:49:03,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-02 15:49:03,403 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:49:03,404 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] [2023-12-02 15:49:03,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-02 15:49:03,404 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-02 15:49:03,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:49:03,404 INFO L85 PathProgramCache]: Analyzing trace with hash -114185767, now seen corresponding path program 1 times [2023-12-02 15:49:03,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:49:03,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117470059] [2023-12-02 15:49:03,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:49:03,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:49:03,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:49:03,663 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 15:49:03,663 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:49:03,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117470059] [2023-12-02 15:49:03,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117470059] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:49:03,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:49:03,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:49:03,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930806653] [2023-12-02 15:49:03,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:49:03,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:49:03,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:49:03,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:49:03,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:49:03,665 INFO L87 Difference]: Start difference. First operand 3354 states and 4900 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) [2023-12-02 15:49:07,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:49:07,604 INFO L93 Difference]: Finished difference Result 3354 states and 4900 transitions. [2023-12-02 15:49:07,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 15:49:07,605 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 [2023-12-02 15:49:07,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:49:07,614 INFO L225 Difference]: With dead ends: 3354 [2023-12-02 15:49:07,615 INFO L226 Difference]: Without dead ends: 3352 [2023-12-02 15:49:07,616 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 [2023-12-02 15:49:07,616 INFO L413 NwaCegarLoop]: 2260 mSDtfsCounter, 2523 mSDsluCounter, 2260 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2523 SdHoareTripleChecker+Valid, 4520 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-12-02 15:49:07,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2523 Valid, 4520 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-12-02 15:49:07,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3352 states. [2023-12-02 15:49:07,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3352 to 3352. [2023-12-02 15:49:07,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3352 states, 1995 states have (on average 1.287218045112782) internal successors, (2568), 2073 states have internal predecessors, (2568), 1153 states have call successors, (1153), 193 states have call predecessors, (1153), 191 states have return successors, (1177), 1130 states have call predecessors, (1177), 1151 states have call successors, (1177) [2023-12-02 15:49:07,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3352 states to 3352 states and 4898 transitions. [2023-12-02 15:49:07,940 INFO L78 Accepts]: Start accepts. Automaton has 3352 states and 4898 transitions. Word has length 104 [2023-12-02 15:49:07,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:49:07,941 INFO L495 AbstractCegarLoop]: Abstraction has 3352 states and 4898 transitions. [2023-12-02 15:49:07,941 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) [2023-12-02 15:49:07,941 INFO L276 IsEmpty]: Start isEmpty. Operand 3352 states and 4898 transitions. [2023-12-02 15:49:07,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-02 15:49:07,942 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:49:07,942 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:49:07,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-02 15:49:07,943 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-02 15:49:07,943 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:49:07,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1252239952, now seen corresponding path program 1 times [2023-12-02 15:49:07,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:49:07,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129787858] [2023-12-02 15:49:07,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:49:07,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:49:08,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:49:09,636 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2023-12-02 15:49:09,636 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:49:09,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129787858] [2023-12-02 15:49:09,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129787858] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:49:09,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989370355] [2023-12-02 15:49:09,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:49:09,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:49:09,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:49:09,638 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:49:09,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 15:49:10,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:49:10,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 3206 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 15:49:10,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:49:10,929 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2023-12-02 15:49:10,930 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:49:10,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989370355] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:49:10,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 15:49:10,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [9] total 17 [2023-12-02 15:49:10,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136818857] [2023-12-02 15:49:10,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:49:10,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 15:49:10,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:49:10,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 15:49:10,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=240, Unknown=0, NotChecked=0, Total=272 [2023-12-02 15:49:10,933 INFO L87 Difference]: Start difference. First operand 3352 states and 4898 transitions. Second operand has 12 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 6 states have call successors, (23), 2 states have call predecessors, (23), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) [2023-12-02 15:49:22,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:49:24,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:49:26,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:49:27,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:49:29,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:49:30,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:49:36,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:49:36,621 INFO L93 Difference]: Finished difference Result 6748 states and 9862 transitions. [2023-12-02 15:49:36,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 15:49:36,623 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 6 states have call successors, (23), 2 states have call predecessors, (23), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) Word has length 120 [2023-12-02 15:49:36,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:49:36,635 INFO L225 Difference]: With dead ends: 6748 [2023-12-02 15:49:36,635 INFO L226 Difference]: Without dead ends: 3410 [2023-12-02 15:49:36,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2023-12-02 15:49:36,652 INFO L413 NwaCegarLoop]: 2249 mSDtfsCounter, 14 mSDsluCounter, 22423 mSDsCounter, 0 mSdLazyCounter, 3625 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 24672 SdHoareTripleChecker+Invalid, 3633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3625 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:49:36,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 24672 Invalid, 3633 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 3625 Invalid, 1 Unknown, 0 Unchecked, 25.1s Time] [2023-12-02 15:49:36,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3410 states. [2023-12-02 15:49:37,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3410 to 3380. [2023-12-02 15:49:37,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3380 states, 2013 states have (on average 1.2846497764530551) internal successors, (2586), 2091 states have internal predecessors, (2586), 1161 states have call successors, (1161), 193 states have call predecessors, (1161), 193 states have return successors, (1189), 1140 states have call predecessors, (1189), 1159 states have call successors, (1189) [2023-12-02 15:49:37,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3380 states to 3380 states and 4936 transitions. [2023-12-02 15:49:37,026 INFO L78 Accepts]: Start accepts. Automaton has 3380 states and 4936 transitions. Word has length 120 [2023-12-02 15:49:37,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:49:37,026 INFO L495 AbstractCegarLoop]: Abstraction has 3380 states and 4936 transitions. [2023-12-02 15:49:37,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 6 states have call successors, (23), 2 states have call predecessors, (23), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) [2023-12-02 15:49:37,026 INFO L276 IsEmpty]: Start isEmpty. Operand 3380 states and 4936 transitions. [2023-12-02 15:49:37,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-02 15:49:37,028 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:49:37,028 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] [2023-12-02 15:49:37,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-02 15:49:37,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-12-02 15:49:37,229 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-02 15:49:37,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:49:37,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1418825054, now seen corresponding path program 1 times [2023-12-02 15:49:37,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:49:37,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274834585] [2023-12-02 15:49:37,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:49:37,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:49:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:49:37,518 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 15:49:37,518 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:49:37,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274834585] [2023-12-02 15:49:37,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274834585] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:49:37,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:49:37,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:49:37,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099228980] [2023-12-02 15:49:37,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:49:37,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:49:37,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:49:37,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:49:37,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:49:37,520 INFO L87 Difference]: Start difference. First operand 3380 states and 4936 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) [2023-12-02 15:49:42,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:49:42,135 INFO L93 Difference]: Finished difference Result 3380 states and 4936 transitions. [2023-12-02 15:49:42,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 15:49:42,137 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 [2023-12-02 15:49:42,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:49:42,145 INFO L225 Difference]: With dead ends: 3380 [2023-12-02 15:49:42,146 INFO L226 Difference]: Without dead ends: 3378 [2023-12-02 15:49:42,147 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 [2023-12-02 15:49:42,148 INFO L413 NwaCegarLoop]: 2258 mSDtfsCounter, 2520 mSDsluCounter, 2258 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2520 SdHoareTripleChecker+Valid, 4516 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-12-02 15:49:42,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2520 Valid, 4516 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-12-02 15:49:42,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3378 states. [2023-12-02 15:49:42,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3378 to 3378. [2023-12-02 15:49:42,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3378 states, 2012 states have (on average 1.2842942345924453) internal successors, (2584), 2089 states have internal predecessors, (2584), 1161 states have call successors, (1161), 193 states have call predecessors, (1161), 193 states have return successors, (1189), 1140 states have call predecessors, (1189), 1159 states have call successors, (1189) [2023-12-02 15:49:42,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3378 states to 3378 states and 4934 transitions. [2023-12-02 15:49:42,549 INFO L78 Accepts]: Start accepts. Automaton has 3378 states and 4934 transitions. Word has length 109 [2023-12-02 15:49:42,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:49:42,549 INFO L495 AbstractCegarLoop]: Abstraction has 3378 states and 4934 transitions. [2023-12-02 15:49:42,550 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) [2023-12-02 15:49:42,550 INFO L276 IsEmpty]: Start isEmpty. Operand 3378 states and 4934 transitions. [2023-12-02 15:49:42,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-02 15:49:42,552 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:49:42,552 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] [2023-12-02 15:49:42,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-02 15:49:42,552 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-02 15:49:42,553 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:49:42,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1133904704, now seen corresponding path program 1 times [2023-12-02 15:49:42,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:49:42,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646025598] [2023-12-02 15:49:42,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:49:42,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:49:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:49:42,823 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 15:49:42,823 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:49:42,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646025598] [2023-12-02 15:49:42,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646025598] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:49:42,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:49:42,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:49:42,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800371236] [2023-12-02 15:49:42,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:49:42,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:49:42,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:49:42,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:49:42,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:49:42,825 INFO L87 Difference]: Start difference. First operand 3378 states and 4934 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) [2023-12-02 15:49:46,401 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 [] [2023-12-02 15:49:47,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:49:47,635 INFO L93 Difference]: Finished difference Result 3378 states and 4934 transitions. [2023-12-02 15:49:47,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 15:49:47,636 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 [2023-12-02 15:49:47,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:49:47,644 INFO L225 Difference]: With dead ends: 3378 [2023-12-02 15:49:47,644 INFO L226 Difference]: Without dead ends: 3376 [2023-12-02 15:49:47,645 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 [2023-12-02 15:49:47,645 INFO L413 NwaCegarLoop]: 2256 mSDtfsCounter, 2517 mSDsluCounter, 2256 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2517 SdHoareTripleChecker+Valid, 4512 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-12-02 15:49:47,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2517 Valid, 4512 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-12-02 15:49:47,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3376 states. [2023-12-02 15:49:47,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3376 to 3376. [2023-12-02 15:49:47,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3376 states, 2011 states have (on average 1.2839383391347587) internal successors, (2582), 2087 states have internal predecessors, (2582), 1161 states have call successors, (1161), 193 states have call predecessors, (1161), 193 states have return successors, (1189), 1140 states have call predecessors, (1189), 1159 states have call successors, (1189) [2023-12-02 15:49:47,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3376 states to 3376 states and 4932 transitions. [2023-12-02 15:49:47,995 INFO L78 Accepts]: Start accepts. Automaton has 3376 states and 4932 transitions. Word has length 114 [2023-12-02 15:49:47,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:49:47,995 INFO L495 AbstractCegarLoop]: Abstraction has 3376 states and 4932 transitions. [2023-12-02 15:49:47,995 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) [2023-12-02 15:49:47,995 INFO L276 IsEmpty]: Start isEmpty. Operand 3376 states and 4932 transitions. [2023-12-02 15:49:47,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-12-02 15:49:47,997 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:49:47,997 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:49:47,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-02 15:49:47,997 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-02 15:49:47,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:49:47,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1304561433, now seen corresponding path program 1 times [2023-12-02 15:49:47,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:49:47,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949547816] [2023-12-02 15:49:47,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:49:47,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:49:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:49:49,328 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2023-12-02 15:49:49,328 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:49:49,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949547816] [2023-12-02 15:49:49,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949547816] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:49:49,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1910754501] [2023-12-02 15:49:49,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:49:49,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:49:49,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:49:49,330 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:49:49,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 15:49:50,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:49:50,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 3232 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 15:49:50,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:49:50,360 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2023-12-02 15:49:50,360 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:49:50,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1910754501] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:49:50,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 15:49:50,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [9] total 18 [2023-12-02 15:49:50,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555175506] [2023-12-02 15:49:50,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:49:50,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 15:49:50,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:49:50,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 15:49:50,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=272, Unknown=0, NotChecked=0, Total=306 [2023-12-02 15:49:50,362 INFO L87 Difference]: Start difference. First operand 3376 states and 4932 transitions. Second operand has 13 states, 10 states have (on average 5.4) internal successors, (54), 11 states have internal predecessors, (54), 7 states have call successors, (24), 2 states have call predecessors, (24), 5 states have return successors, (22), 8 states have call predecessors, (22), 7 states have call successors, (22) [2023-12-02 15:50:02,441 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 [] [2023-12-02 15:50:03,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:50:06,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:50:07,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:50:09,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:50:10,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:50:11,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:50:19,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:50:19,192 INFO L93 Difference]: Finished difference Result 6817 states and 9963 transitions. [2023-12-02 15:50:19,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-02 15:50:19,194 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 5.4) internal successors, (54), 11 states have internal predecessors, (54), 7 states have call successors, (24), 2 states have call predecessors, (24), 5 states have return successors, (22), 8 states have call predecessors, (22), 7 states have call successors, (22) Word has length 126 [2023-12-02 15:50:19,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:50:19,206 INFO L225 Difference]: With dead ends: 6817 [2023-12-02 15:50:19,206 INFO L226 Difference]: Without dead ends: 3455 [2023-12-02 15:50:19,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2023-12-02 15:50:19,223 INFO L413 NwaCegarLoop]: 2265 mSDtfsCounter, 24 mSDsluCounter, 24818 mSDsCounter, 0 mSdLazyCounter, 3951 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 27083 SdHoareTripleChecker+Invalid, 3964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 3951 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.2s IncrementalHoareTripleChecker+Time [2023-12-02 15:50:19,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 27083 Invalid, 3964 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12 Valid, 3951 Invalid, 1 Unknown, 0 Unchecked, 28.2s Time] [2023-12-02 15:50:19,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3455 states. [2023-12-02 15:50:19,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3455 to 3397. [2023-12-02 15:50:19,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3397 states, 2024 states have (on average 1.282114624505929) internal successors, (2595), 2101 states have internal predecessors, (2595), 1168 states have call successors, (1168), 193 states have call predecessors, (1168), 194 states have return successors, (1200), 1147 states have call predecessors, (1200), 1166 states have call successors, (1200) [2023-12-02 15:50:19,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3397 states to 3397 states and 4963 transitions. [2023-12-02 15:50:19,615 INFO L78 Accepts]: Start accepts. Automaton has 3397 states and 4963 transitions. Word has length 126 [2023-12-02 15:50:19,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:50:19,616 INFO L495 AbstractCegarLoop]: Abstraction has 3397 states and 4963 transitions. [2023-12-02 15:50:19,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 5.4) internal successors, (54), 11 states have internal predecessors, (54), 7 states have call successors, (24), 2 states have call predecessors, (24), 5 states have return successors, (22), 8 states have call predecessors, (22), 7 states have call successors, (22) [2023-12-02 15:50:19,616 INFO L276 IsEmpty]: Start isEmpty. Operand 3397 states and 4963 transitions. [2023-12-02 15:50:19,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-02 15:50:19,617 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:50:19,617 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] [2023-12-02 15:50:19,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 15:50:19,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:50:19,818 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-02 15:50:19,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:50:19,819 INFO L85 PathProgramCache]: Analyzing trace with hash 2073011194, now seen corresponding path program 1 times [2023-12-02 15:50:19,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:50:19,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159160885] [2023-12-02 15:50:19,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:50:19,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:50:19,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:50:20,255 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 15:50:20,255 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:50:20,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159160885] [2023-12-02 15:50:20,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159160885] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:50:20,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:50:20,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:50:20,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117940329] [2023-12-02 15:50:20,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:50:20,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:50:20,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:50:20,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:50:20,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:50:20,258 INFO L87 Difference]: Start difference. First operand 3397 states and 4963 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) [2023-12-02 15:50:23,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:50:25,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:50:26,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:50:26,334 INFO L93 Difference]: Finished difference Result 3397 states and 4963 transitions. [2023-12-02 15:50:26,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 15:50:26,335 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 [2023-12-02 15:50:26,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:50:26,343 INFO L225 Difference]: With dead ends: 3397 [2023-12-02 15:50:26,343 INFO L226 Difference]: Without dead ends: 3395 [2023-12-02 15:50:26,345 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 [2023-12-02 15:50:26,346 INFO L413 NwaCegarLoop]: 2254 mSDtfsCounter, 2514 mSDsluCounter, 2254 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2514 SdHoareTripleChecker+Valid, 4508 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2023-12-02 15:50:26,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2514 Valid, 4508 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2023-12-02 15:50:26,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3395 states. [2023-12-02 15:50:26,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3395 to 3395. [2023-12-02 15:50:26,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3395 states, 2023 states have (on average 1.2817597627286208) internal successors, (2593), 2099 states have internal predecessors, (2593), 1168 states have call successors, (1168), 193 states have call predecessors, (1168), 194 states have return successors, (1200), 1147 states have call predecessors, (1200), 1166 states have call successors, (1200) [2023-12-02 15:50:26,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3395 states to 3395 states and 4961 transitions. [2023-12-02 15:50:26,695 INFO L78 Accepts]: Start accepts. Automaton has 3395 states and 4961 transitions. Word has length 119 [2023-12-02 15:50:26,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:50:26,696 INFO L495 AbstractCegarLoop]: Abstraction has 3395 states and 4961 transitions. [2023-12-02 15:50:26,696 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) [2023-12-02 15:50:26,696 INFO L276 IsEmpty]: Start isEmpty. Operand 3395 states and 4961 transitions. [2023-12-02 15:50:26,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 15:50:26,698 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:50:26,698 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] [2023-12-02 15:50:26,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-02 15:50:26,698 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-02 15:50:26,699 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:50:26,699 INFO L85 PathProgramCache]: Analyzing trace with hash 157819722, now seen corresponding path program 1 times [2023-12-02 15:50:26,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:50:26,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015877019] [2023-12-02 15:50:26,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:50:26,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:50:26,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:50:27,057 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 15:50:27,057 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:50:27,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015877019] [2023-12-02 15:50:27,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015877019] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:50:27,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:50:27,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:50:27,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330921171] [2023-12-02 15:50:27,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:50:27,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:50:27,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:50:27,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:50:27,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:50:27,059 INFO L87 Difference]: Start difference. First operand 3395 states and 4961 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) [2023-12-02 15:50:29,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:50:31,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:50:31,388 INFO L93 Difference]: Finished difference Result 3395 states and 4961 transitions. [2023-12-02 15:50:31,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 15:50:31,389 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 [2023-12-02 15:50:31,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:50:31,396 INFO L225 Difference]: With dead ends: 3395 [2023-12-02 15:50:31,396 INFO L226 Difference]: Without dead ends: 3393 [2023-12-02 15:50:31,397 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 [2023-12-02 15:50:31,397 INFO L413 NwaCegarLoop]: 2252 mSDtfsCounter, 2511 mSDsluCounter, 2252 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2511 SdHoareTripleChecker+Valid, 4504 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-12-02 15:50:31,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2511 Valid, 4504 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2023-12-02 15:50:31,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3393 states. [2023-12-02 15:50:31,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3393 to 3393. [2023-12-02 15:50:31,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3393 states, 2022 states have (on average 1.281404549950544) internal successors, (2591), 2097 states have internal predecessors, (2591), 1168 states have call successors, (1168), 193 states have call predecessors, (1168), 194 states have return successors, (1200), 1147 states have call predecessors, (1200), 1166 states have call successors, (1200) [2023-12-02 15:50:31,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3393 states to 3393 states and 4959 transitions. [2023-12-02 15:50:31,761 INFO L78 Accepts]: Start accepts. Automaton has 3393 states and 4959 transitions. Word has length 124 [2023-12-02 15:50:31,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:50:31,762 INFO L495 AbstractCegarLoop]: Abstraction has 3393 states and 4959 transitions. [2023-12-02 15:50:31,762 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) [2023-12-02 15:50:31,762 INFO L276 IsEmpty]: Start isEmpty. Operand 3393 states and 4959 transitions. [2023-12-02 15:50:31,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-12-02 15:50:31,763 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:50:31,764 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] [2023-12-02 15:50:31,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-02 15:50:31,764 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_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-02 15:50:31,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:50:31,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1762267235, now seen corresponding path program 1 times [2023-12-02 15:50:31,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:50:31,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225907196] [2023-12-02 15:50:31,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:50:31,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:50:31,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:50:31,990 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 15:50:31,990 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:50:31,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225907196] [2023-12-02 15:50:31,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225907196] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:50:31,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:50:31,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:50:31,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469951542] [2023-12-02 15:50:31,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:50:31,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:50:31,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:50:31,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:50:31,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:50:31,993 INFO L87 Difference]: Start difference. First operand 3393 states and 4959 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-12-02 15:50:35,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:50:35,368 INFO L93 Difference]: Finished difference Result 3393 states and 4959 transitions. [2023-12-02 15:50:35,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 15:50:35,369 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 129 [2023-12-02 15:50:35,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:50:35,376 INFO L225 Difference]: With dead ends: 3393 [2023-12-02 15:50:35,377 INFO L226 Difference]: Without dead ends: 3391 [2023-12-02 15:50:35,378 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 [2023-12-02 15:50:35,378 INFO L413 NwaCegarLoop]: 2250 mSDtfsCounter, 2508 mSDsluCounter, 2250 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2508 SdHoareTripleChecker+Valid, 4500 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-02 15:50:35,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2508 Valid, 4500 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-12-02 15:50:35,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3391 states. [2023-12-02 15:50:35,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3391 to 3391. [2023-12-02 15:50:35,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3391 states, 2021 states have (on average 1.281048985650668) internal successors, (2589), 2095 states have internal predecessors, (2589), 1168 states have call successors, (1168), 193 states have call predecessors, (1168), 194 states have return successors, (1200), 1147 states have call predecessors, (1200), 1166 states have call successors, (1200) [2023-12-02 15:50:35,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3391 states to 3391 states and 4957 transitions. [2023-12-02 15:50:35,757 INFO L78 Accepts]: Start accepts. Automaton has 3391 states and 4957 transitions. Word has length 129 [2023-12-02 15:50:35,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:50:35,758 INFO L495 AbstractCegarLoop]: Abstraction has 3391 states and 4957 transitions. [2023-12-02 15:50:35,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-12-02 15:50:35,758 INFO L276 IsEmpty]: Start isEmpty. Operand 3391 states and 4957 transitions. [2023-12-02 15:50:35,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-12-02 15:50:35,759 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:50:35,760 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:50:35,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-12-02 15:50:35,760 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-02 15:50:35,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:50:35,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1665112061, now seen corresponding path program 1 times [2023-12-02 15:50:35,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:50:35,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169245355] [2023-12-02 15:50:35,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:50:35,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:50:35,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:50:36,007 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 15:50:36,007 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:50:36,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169245355] [2023-12-02 15:50:36,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169245355] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:50:36,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:50:36,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:50:36,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129937265] [2023-12-02 15:50:36,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:50:36,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:50:36,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:50:36,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:50:36,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:50:36,009 INFO L87 Difference]: Start difference. First operand 3391 states and 4957 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-02 15:50:39,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:50:40,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:50:40,658 INFO L93 Difference]: Finished difference Result 3391 states and 4957 transitions. [2023-12-02 15:50:40,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 15:50:40,659 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 134 [2023-12-02 15:50:40,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:50:40,666 INFO L225 Difference]: With dead ends: 3391 [2023-12-02 15:50:40,666 INFO L226 Difference]: Without dead ends: 3389 [2023-12-02 15:50:40,667 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 [2023-12-02 15:50:40,667 INFO L413 NwaCegarLoop]: 2248 mSDtfsCounter, 2505 mSDsluCounter, 2248 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2505 SdHoareTripleChecker+Valid, 4496 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-12-02 15:50:40,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2505 Valid, 4496 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-12-02 15:50:40,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3389 states. [2023-12-02 15:50:41,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3389 to 3389. [2023-12-02 15:50:41,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3389 states, 2020 states have (on average 1.2806930693069307) internal successors, (2587), 2093 states have internal predecessors, (2587), 1168 states have call successors, (1168), 193 states have call predecessors, (1168), 194 states have return successors, (1200), 1147 states have call predecessors, (1200), 1166 states have call successors, (1200) [2023-12-02 15:50:41,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3389 states to 3389 states and 4955 transitions. [2023-12-02 15:50:41,058 INFO L78 Accepts]: Start accepts. Automaton has 3389 states and 4955 transitions. Word has length 134 [2023-12-02 15:50:41,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:50:41,059 INFO L495 AbstractCegarLoop]: Abstraction has 3389 states and 4955 transitions. [2023-12-02 15:50:41,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-02 15:50:41,059 INFO L276 IsEmpty]: Start isEmpty. Operand 3389 states and 4955 transitions. [2023-12-02 15:50:41,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-12-02 15:50:41,061 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:50:41,061 INFO L195 NwaCegarLoop]: trace histogram [8, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:50:41,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-12-02 15:50:41,062 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-02 15:50:41,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:50:41,062 INFO L85 PathProgramCache]: Analyzing trace with hash -2100323054, now seen corresponding path program 1 times [2023-12-02 15:50:41,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:50:41,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039712184] [2023-12-02 15:50:41,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:50:41,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:50:41,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:50:41,735 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2023-12-02 15:50:41,735 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:50:41,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039712184] [2023-12-02 15:50:41,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039712184] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:50:41,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542388289] [2023-12-02 15:50:41,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:50:41,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:50:41,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:50:41,737 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:50:41,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408078c4-4e63-4a4b-9c6d-c373d54ac0d0/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 15:50:42,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:50:42,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 3452 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 15:50:42,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:50:42,603 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 84 proven. 8 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-12-02 15:50:42,603 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:50:42,837 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2023-12-02 15:50:42,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [542388289] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:50:42,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [535539500] [2023-12-02 15:50:42,860 INFO L159 IcfgInterpreter]: Started Sifa with 86 locations of interest [2023-12-02 15:50:42,860 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 15:50:42,864 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 15:50:42,869 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 15:50:42,869 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 15:56:54,661 WARN L293 SmtUtils]: Spent 5.37s on a formula simplification that was a NOOP. DAG size: 3194 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-12-02 15:57:00,365 WARN L293 SmtUtils]: Spent 5.69s on a formula simplification that was a NOOP. DAG size: 3194 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-12-02 15:57:05,461 WARN L293 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 3194 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-12-02 15:57:10,497 WARN L293 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 3194 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-12-02 15:57:15,808 WARN L293 SmtUtils]: Spent 5.29s on a formula simplification that was a NOOP. DAG size: 3194 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-12-02 15:57:20,870 WARN L293 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 3194 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-12-02 15:59:29,077 WARN L293 SmtUtils]: Spent 5.44s on a formula simplification that was a NOOP. DAG size: 4958 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-12-02 15:59:34,535 WARN L293 SmtUtils]: Spent 5.45s on a formula simplification that was a NOOP. DAG size: 4958 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-12-02 15:59:42,599 WARN L293 SmtUtils]: Spent 8.03s on a formula simplification. DAG size of input: 4959 DAG size of output: 4959 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-12-02 15:59:48,038 WARN L293 SmtUtils]: Spent 5.43s on a formula simplification that was a NOOP. DAG size: 4958 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-12-02 15:59:53,487 WARN L293 SmtUtils]: Spent 5.44s on a formula simplification that was a NOOP. DAG size: 4958 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-12-02 16:00:01,560 WARN L293 SmtUtils]: Spent 8.04s on a formula simplification. DAG size of input: 4959 DAG size of output: 4959 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-12-02 16:00:33,145 WARN L293 SmtUtils]: Spent 5.22s on a formula simplification that was a NOOP. DAG size: 4792 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)