./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--gadget--udc--pch_udc.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb91b3-a841-497b-ab23-ecf487e42299/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb91b3-a841-497b-ab23-ecf487e42299/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_b4fb91b3-a841-497b-ab23-ecf487e42299/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb91b3-a841-497b-ab23-ecf487e42299/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb91b3-a841-497b-ab23-ecf487e42299/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_b4fb91b3-a841-497b-ab23-ecf487e42299/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 3494ff01381843f09414ec4d6a6d46e396afc707be426c75a152e34cf84e62a0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:15:28,744 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:15:28,807 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb91b3-a841-497b-ab23-ecf487e42299/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 13:15:28,812 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:15:28,812 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:15:28,833 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:15:28,834 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:15:28,835 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:15:28,835 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:15:28,836 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:15:28,836 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:15:28,837 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:15:28,838 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:15:28,838 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 13:15:28,839 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:15:28,839 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:15:28,840 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 13:15:28,840 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 13:15:28,841 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:15:28,841 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 13:15:28,842 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 13:15:28,843 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 13:15:28,844 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:15:28,844 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:15:28,845 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 13:15:28,845 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:15:28,846 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:15:28,846 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:15:28,846 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:15:28,847 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:15:28,847 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:15:28,848 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:15:28,848 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:15:28,848 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:15:28,848 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:15:28,849 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:15:28,849 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:15:28,849 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:15:28,849 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 13:15:28,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 13:15:28,850 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:15:28,850 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:15:28,850 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:15:28,850 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:15:28,850 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_b4fb91b3-a841-497b-ab23-ecf487e42299/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb91b3-a841-497b-ab23-ecf487e42299/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3494ff01381843f09414ec4d6a6d46e396afc707be426c75a152e34cf84e62a0 [2023-12-02 13:15:29,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:15:29,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:15:29,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:15:29,119 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:15:29,119 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:15:29,121 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb91b3-a841-497b-ab23-ecf487e42299/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i [2023-12-02 13:15:31,874 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:15:32,365 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:15:32,365 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i [2023-12-02 13:15:32,414 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb91b3-a841-497b-ab23-ecf487e42299/bin/utaipan-verify-nQ1chXbOIh/data/521a6802d/99d980f5b2784cda86cfadd23cdec3b3/FLAG4af69b40e [2023-12-02 13:15:32,425 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb91b3-a841-497b-ab23-ecf487e42299/bin/utaipan-verify-nQ1chXbOIh/data/521a6802d/99d980f5b2784cda86cfadd23cdec3b3 [2023-12-02 13:15:32,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:15:32,429 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:15:32,430 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:15:32,431 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:15:32,436 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:15:32,437 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:15:32" (1/1) ... [2023-12-02 13:15:32,438 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d0875a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:15:32, skipping insertion in model container [2023-12-02 13:15:32,438 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:15:32" (1/1) ... [2023-12-02 13:15:32,591 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:15:36,157 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[374384,374397] [2023-12-02 13:15:36,161 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[374529,374542] [2023-12-02 13:15:36,161 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[374675,374688] [2023-12-02 13:15:36,162 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[374840,374853] [2023-12-02 13:15:36,162 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[374998,375011] [2023-12-02 13:15:36,162 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375156,375169] [2023-12-02 13:15:36,163 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375314,375327] [2023-12-02 13:15:36,163 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375474,375487] [2023-12-02 13:15:36,164 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375633,375646] [2023-12-02 13:15:36,164 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375772,375785] [2023-12-02 13:15:36,164 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375914,375927] [2023-12-02 13:15:36,165 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376063,376076] [2023-12-02 13:15:36,165 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376202,376215] [2023-12-02 13:15:36,166 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376357,376370] [2023-12-02 13:15:36,166 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376517,376530] [2023-12-02 13:15:36,167 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376668,376681] [2023-12-02 13:15:36,167 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376819,376832] [2023-12-02 13:15:36,168 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376971,376984] [2023-12-02 13:15:36,168 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377120,377133] [2023-12-02 13:15:36,169 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377268,377281] [2023-12-02 13:15:36,170 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377425,377438] [2023-12-02 13:15:36,170 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377574,377587] [2023-12-02 13:15:36,171 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377730,377743] [2023-12-02 13:15:36,171 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377883,377896] [2023-12-02 13:15:36,172 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378029,378042] [2023-12-02 13:15:36,173 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378172,378185] [2023-12-02 13:15:36,173 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378324,378337] [2023-12-02 13:15:36,174 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378470,378483] [2023-12-02 13:15:36,174 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378615,378628] [2023-12-02 13:15:36,175 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378769,378782] [2023-12-02 13:15:36,176 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378920,378933] [2023-12-02 13:15:36,176 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379075,379088] [2023-12-02 13:15:36,177 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379227,379240] [2023-12-02 13:15:36,177 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379382,379395] [2023-12-02 13:15:36,178 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379546,379559] [2023-12-02 13:15:36,178 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379702,379715] [2023-12-02 13:15:36,178 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379866,379879] [2023-12-02 13:15:36,179 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380008,380021] [2023-12-02 13:15:36,179 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380166,380179] [2023-12-02 13:15:36,180 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380333,380346] [2023-12-02 13:15:36,180 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380492,380505] [2023-12-02 13:15:36,180 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380651,380664] [2023-12-02 13:15:36,181 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380800,380813] [2023-12-02 13:15:36,181 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380947,380960] [2023-12-02 13:15:36,182 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381086,381099] [2023-12-02 13:15:36,183 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381249,381262] [2023-12-02 13:15:36,183 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381415,381428] [2023-12-02 13:15:36,183 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381579,381592] [2023-12-02 13:15:36,184 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381744,381757] [2023-12-02 13:15:36,184 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381909,381922] [2023-12-02 13:15:36,185 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382075,382088] [2023-12-02 13:15:36,186 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382240,382253] [2023-12-02 13:15:36,186 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382407,382420] [2023-12-02 13:15:36,187 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382567,382580] [2023-12-02 13:15:36,187 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382729,382742] [2023-12-02 13:15:36,188 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382888,382901] [2023-12-02 13:15:36,188 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383034,383047] [2023-12-02 13:15:36,189 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383177,383190] [2023-12-02 13:15:36,189 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383321,383334] [2023-12-02 13:15:36,190 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383464,383477] [2023-12-02 13:15:36,191 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383608,383621] [2023-12-02 13:15:36,191 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383749,383762] [2023-12-02 13:15:36,192 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383887,383900] [2023-12-02 13:15:36,192 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384045,384058] [2023-12-02 13:15:36,193 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384204,384217] [2023-12-02 13:15:36,193 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384360,384373] [2023-12-02 13:15:36,194 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384509,384522] [2023-12-02 13:15:36,194 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384661,384674] [2023-12-02 13:15:36,195 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384812,384825] [2023-12-02 13:15:36,195 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384961,384974] [2023-12-02 13:15:36,196 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385113,385126] [2023-12-02 13:15:36,196 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385261,385274] [2023-12-02 13:15:36,196 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385414,385427] [2023-12-02 13:15:36,197 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385565,385578] [2023-12-02 13:15:36,197 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385715,385728] [2023-12-02 13:15:36,197 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385862,385875] [2023-12-02 13:15:36,198 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386013,386026] [2023-12-02 13:15:36,198 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386164,386177] [2023-12-02 13:15:36,199 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386312,386325] [2023-12-02 13:15:36,199 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386478,386491] [2023-12-02 13:15:36,200 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386647,386660] [2023-12-02 13:15:36,200 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386814,386827] [2023-12-02 13:15:36,200 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386982,386995] [2023-12-02 13:15:36,201 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[387132,387145] [2023-12-02 13:15:36,201 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[387279,387292] [2023-12-02 13:15:36,201 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[387440,387453] [2023-12-02 13:15:36,202 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[387610,387623] [2023-12-02 13:15:36,202 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[387772,387785] [2023-12-02 13:15:36,215 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:15:36,246 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:15:36,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [4367] [2023-12-02 13:15:36,357 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 *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [4601-4602] [2023-12-02 13:15:36,359 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 *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [4635-4636] [2023-12-02 13:15:36,512 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/gadget/udc/pch_udc.c"), "i" (2627), "i" (12UL)); [7502-7503] [2023-12-02 13:15:36,616 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[374384,374397] [2023-12-02 13:15:36,616 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[374529,374542] [2023-12-02 13:15:36,617 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[374675,374688] [2023-12-02 13:15:36,617 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[374840,374853] [2023-12-02 13:15:36,617 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[374998,375011] [2023-12-02 13:15:36,618 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375156,375169] [2023-12-02 13:15:36,618 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375314,375327] [2023-12-02 13:15:36,618 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375474,375487] [2023-12-02 13:15:36,619 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375633,375646] [2023-12-02 13:15:36,619 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375772,375785] [2023-12-02 13:15:36,643 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375914,375927] [2023-12-02 13:15:36,643 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376063,376076] [2023-12-02 13:15:36,644 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376202,376215] [2023-12-02 13:15:36,644 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376357,376370] [2023-12-02 13:15:36,645 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376517,376530] [2023-12-02 13:15:36,645 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376668,376681] [2023-12-02 13:15:36,646 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376819,376832] [2023-12-02 13:15:36,646 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376971,376984] [2023-12-02 13:15:36,646 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377120,377133] [2023-12-02 13:15:36,646 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377268,377281] [2023-12-02 13:15:36,647 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377425,377438] [2023-12-02 13:15:36,647 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377574,377587] [2023-12-02 13:15:36,648 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377730,377743] [2023-12-02 13:15:36,648 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377883,377896] [2023-12-02 13:15:36,648 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378029,378042] [2023-12-02 13:15:36,649 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378172,378185] [2023-12-02 13:15:36,649 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378324,378337] [2023-12-02 13:15:36,650 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378470,378483] [2023-12-02 13:15:36,650 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378615,378628] [2023-12-02 13:15:36,651 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378769,378782] [2023-12-02 13:15:36,651 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378920,378933] [2023-12-02 13:15:36,652 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379075,379088] [2023-12-02 13:15:36,652 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379227,379240] [2023-12-02 13:15:36,653 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379382,379395] [2023-12-02 13:15:36,653 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379546,379559] [2023-12-02 13:15:36,654 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379702,379715] [2023-12-02 13:15:36,654 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379866,379879] [2023-12-02 13:15:36,655 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380008,380021] [2023-12-02 13:15:36,655 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380166,380179] [2023-12-02 13:15:36,656 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380333,380346] [2023-12-02 13:15:36,656 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380492,380505] [2023-12-02 13:15:36,657 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380651,380664] [2023-12-02 13:15:36,658 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380800,380813] [2023-12-02 13:15:36,658 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380947,380960] [2023-12-02 13:15:36,659 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381086,381099] [2023-12-02 13:15:36,659 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381249,381262] [2023-12-02 13:15:36,660 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381415,381428] [2023-12-02 13:15:36,660 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381579,381592] [2023-12-02 13:15:36,661 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381744,381757] [2023-12-02 13:15:36,661 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381909,381922] [2023-12-02 13:15:36,662 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382075,382088] [2023-12-02 13:15:36,663 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382240,382253] [2023-12-02 13:15:36,663 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382407,382420] [2023-12-02 13:15:36,663 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382567,382580] [2023-12-02 13:15:36,664 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382729,382742] [2023-12-02 13:15:36,665 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382888,382901] [2023-12-02 13:15:36,665 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383034,383047] [2023-12-02 13:15:36,666 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383177,383190] [2023-12-02 13:15:36,666 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383321,383334] [2023-12-02 13:15:36,667 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383464,383477] [2023-12-02 13:15:36,667 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383608,383621] [2023-12-02 13:15:36,668 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383749,383762] [2023-12-02 13:15:36,668 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383887,383900] [2023-12-02 13:15:36,668 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384045,384058] [2023-12-02 13:15:36,669 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384204,384217] [2023-12-02 13:15:36,669 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384360,384373] [2023-12-02 13:15:36,670 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384509,384522] [2023-12-02 13:15:36,670 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384661,384674] [2023-12-02 13:15:36,671 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384812,384825] [2023-12-02 13:15:36,671 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384961,384974] [2023-12-02 13:15:36,672 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385113,385126] [2023-12-02 13:15:36,673 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385261,385274] [2023-12-02 13:15:36,673 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385414,385427] [2023-12-02 13:15:36,674 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385565,385578] [2023-12-02 13:15:36,674 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385715,385728] [2023-12-02 13:15:36,674 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385862,385875] [2023-12-02 13:15:36,675 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386013,386026] [2023-12-02 13:15:36,675 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386164,386177] [2023-12-02 13:15:36,676 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386312,386325] [2023-12-02 13:15:36,676 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386478,386491] [2023-12-02 13:15:36,677 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386647,386660] [2023-12-02 13:15:36,677 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386814,386827] [2023-12-02 13:15:36,678 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386982,386995] [2023-12-02 13:15:36,678 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[387132,387145] [2023-12-02 13:15:36,678 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[387279,387292] [2023-12-02 13:15:36,679 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[387440,387453] [2023-12-02 13:15:36,679 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[387610,387623] [2023-12-02 13:15:36,680 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_b4fb91b3-a841-497b-ab23-ecf487e42299/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[387772,387785] [2023-12-02 13:15:36,684 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:15:36,860 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:15:36,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:15:36 WrapperNode [2023-12-02 13:15:36,861 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:15:36,862 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:15:36,862 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:15:36,862 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:15:36,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:15:36" (1/1) ... [2023-12-02 13:15:36,955 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:15:36" (1/1) ... [2023-12-02 13:15:37,168 INFO L138 Inliner]: procedures = 701, calls = 2897, calls flagged for inlining = 312, calls inlined = 235, statements flattened = 6249 [2023-12-02 13:15:37,169 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:15:37,170 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:15:37,170 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:15:37,170 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:15:37,183 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:15:36" (1/1) ... [2023-12-02 13:15:37,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:15:36" (1/1) ... [2023-12-02 13:15:37,214 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:15:36" (1/1) ... [2023-12-02 13:15:37,215 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:15:36" (1/1) ... [2023-12-02 13:15:37,336 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:15:36" (1/1) ... [2023-12-02 13:15:37,365 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:15:36" (1/1) ... [2023-12-02 13:15:37,402 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:15:36" (1/1) ... [2023-12-02 13:15:37,420 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:15:36" (1/1) ... [2023-12-02 13:15:37,466 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:15:37,467 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:15:37,467 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:15:37,467 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:15:37,468 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:15:36" (1/1) ... [2023-12-02 13:15:37,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:15:37,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb91b3-a841-497b-ab23-ecf487e42299/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:15:37,498 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb91b3-a841-497b-ab23-ecf487e42299/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:15:37,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb91b3-a841-497b-ab23-ecf487e42299/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:15:37,593 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_clear_stall [2023-12-02 13:15:37,593 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_clear_stall [2023-12-02 13:15:37,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_99 [2023-12-02 13:15:37,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_99 [2023-12-02 13:15:37,593 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_clear_ep_status [2023-12-02 13:15:37,593 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_clear_ep_status [2023-12-02 13:15:37,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2023-12-02 13:15:37,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2023-12-02 13:15:37,594 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_init_setup_buff [2023-12-02 13:15:37,594 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_init_setup_buff [2023-12-02 13:15:37,595 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_resume [2023-12-02 13:15:37,595 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_resume [2023-12-02 13:15:37,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-12-02 13:15:37,595 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-12-02 13:15:37,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_udc_stall_spinlock [2023-12-02 13:15:37,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_udc_stall_spinlock [2023-12-02 13:15:37,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-12-02 13:15:37,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-12-02 13:15:37,596 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_shutdown [2023-12-02 13:15:37,596 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_shutdown [2023-12-02 13:15:37,596 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_clear_dma [2023-12-02 13:15:37,596 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_clear_dma [2023-12-02 13:15:37,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2023-12-02 13:15:37,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2023-12-02 13:15:37,597 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-12-02 13:15:37,597 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-12-02 13:15:37,597 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_init [2023-12-02 13:15:37,597 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_init [2023-12-02 13:15:37,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-12-02 13:15:37,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-12-02 13:15:37,598 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-12-02 13:15:37,598 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-12-02 13:15:37,598 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_svc_data_out [2023-12-02 13:15:37,598 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_svc_data_out [2023-12-02 13:15:37,599 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_free_dma_chain [2023-12-02 13:15:37,599 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_free_dma_chain [2023-12-02 13:15:37,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2023-12-02 13:15:37,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2023-12-02 13:15:37,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2023-12-02 13:15:37,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2023-12-02 13:15:37,600 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-12-02 13:15:37,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-12-02 13:15:37,600 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_read_ep_control [2023-12-02 13:15:37,601 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_read_ep_control [2023-12-02 13:15:37,601 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_set_wedge [2023-12-02 13:15:37,601 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_set_wedge [2023-12-02 13:15:37,601 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_reconnect [2023-12-02 13:15:37,601 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_reconnect [2023-12-02 13:15:37,601 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_readl [2023-12-02 13:15:37,602 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_readl [2023-12-02 13:15:37,602 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_postsvc_epinters [2023-12-02 13:15:37,602 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_postsvc_epinters [2023-12-02 13:15:37,602 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2023-12-02 13:15:37,602 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2023-12-02 13:15:37,602 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-12-02 13:15:37,602 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-12-02 13:15:37,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-12-02 13:15:37,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-12-02 13:15:37,602 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2023-12-02 13:15:37,603 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2023-12-02 13:15:37,603 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_start_rxrequest [2023-12-02 13:15:37,603 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_start_rxrequest [2023-12-02 13:15:37,603 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-12-02 13:15:37,603 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-12-02 13:15:37,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-12-02 13:15:37,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-12-02 13:15:37,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2023-12-02 13:15:37,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2023-12-02 13:15:37,603 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-12-02 13:15:37,603 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-12-02 13:15:37,603 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2023-12-02 13:15:37,604 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2023-12-02 13:15:37,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 13:15:37,604 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_disable_ep_interrupts [2023-12-02 13:15:37,604 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_disable_ep_interrupts [2023-12-02 13:15:37,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2023-12-02 13:15:37,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2023-12-02 13:15:37,604 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_wait_ep_stall [2023-12-02 13:15:37,604 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_wait_ep_stall [2023-12-02 13:15:37,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-12-02 13:15:37,604 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-12-02 13:15:37,604 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-12-02 13:15:37,605 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-12-02 13:15:37,605 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-12-02 13:15:37,605 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_fifo_flush [2023-12-02 13:15:37,605 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_fifo_flush [2023-12-02 13:15:37,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_102 [2023-12-02 13:15:37,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_102 [2023-12-02 13:15:37,605 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_clear_nak [2023-12-02 13:15:37,605 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_clear_nak [2023-12-02 13:15:37,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 13:15:37,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2023-12-02 13:15:37,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2023-12-02 13:15:37,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-12-02 13:15:37,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-12-02 13:15:37,606 INFO L130 BoogieDeclarations]: Found specification of procedure empty_req_queue [2023-12-02 13:15:37,606 INFO L138 BoogieDeclarations]: Found implementation of procedure empty_req_queue [2023-12-02 13:15:37,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2023-12-02 13:15:37,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2023-12-02 13:15:37,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 13:15:37,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2023-12-02 13:15:37,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2023-12-02 13:15:37,607 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-12-02 13:15:37,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-12-02 13:15:37,607 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_set_nak [2023-12-02 13:15:37,608 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_set_nak [2023-12-02 13:15:37,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-12-02 13:15:37,608 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-12-02 13:15:37,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2023-12-02 13:15:37,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2023-12-02 13:15:37,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-12-02 13:15:37,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-12-02 13:15:37,609 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_start [2023-12-02 13:15:37,609 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_start [2023-12-02 13:15:37,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-12-02 13:15:37,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-12-02 13:15:37,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-12-02 13:15:37,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-12-02 13:15:37,610 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_read_device_status [2023-12-02 13:15:37,610 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_read_device_status [2023-12-02 13:15:37,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2023-12-02 13:15:37,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2023-12-02 13:15:37,610 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-12-02 13:15:37,610 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-12-02 13:15:37,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2023-12-02 13:15:37,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2023-12-02 13:15:37,611 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-12-02 13:15:37,611 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-12-02 13:15:37,611 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-12-02 13:15:37,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-12-02 13:15:37,611 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_dequeue [2023-12-02 13:15:37,611 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_dequeue [2023-12-02 13:15:37,612 INFO L130 BoogieDeclarations]: Found specification of procedure pch_vbus_gpio_init [2023-12-02 13:15:37,612 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_vbus_gpio_init [2023-12-02 13:15:37,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2023-12-02 13:15:37,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2023-12-02 13:15:37,612 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_disable_interrupts [2023-12-02 13:15:37,612 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_disable_interrupts [2023-12-02 13:15:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_wakeup [2023-12-02 13:15:37,613 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_wakeup [2023-12-02 13:15:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_pch_udc_dev [2023-12-02 13:15:37,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_pch_udc_dev [2023-12-02 13:15:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2023-12-02 13:15:37,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2023-12-02 13:15:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_to_desc [2023-12-02 13:15:37,614 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_to_desc [2023-12-02 13:15:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_svc_control_out [2023-12-02 13:15:37,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_svc_control_out [2023-12-02 13:15:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_dev_isr [2023-12-02 13:15:37,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_dev_isr [2023-12-02 13:15:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 13:15:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_set_stall [2023-12-02 13:15:37,615 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_set_stall [2023-12-02 13:15:37,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2023-12-02 13:15:37,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2023-12-02 13:15:37,615 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_init [2023-12-02 13:15:37,615 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_init [2023-12-02 13:15:37,615 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-12-02 13:15:37,615 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-12-02 13:15:37,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2023-12-02 13:15:37,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2023-12-02 13:15:37,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:15:37,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-12-02 13:15:37,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-12-02 13:15:37,616 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-12-02 13:15:37,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-12-02 13:15:37,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 13:15:37,616 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-12-02 13:15:37,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-12-02 13:15:37,616 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_enable_ep_interrupts [2023-12-02 13:15:37,616 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_enable_ep_interrupts [2023-12-02 13:15:37,616 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-12-02 13:15:37,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-12-02 13:15:37,616 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_ep_enable [2023-12-02 13:15:37,616 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_ep_enable [2023-12-02 13:15:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_remove [2023-12-02 13:15:37,617 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_remove [2023-12-02 13:15:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_release [2023-12-02 13:15:37,617 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_release [2023-12-02 13:15:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-12-02 13:15:37,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-12-02 13:15:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure pch_vbus_gpio_work_fall [2023-12-02 13:15:37,617 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_vbus_gpio_work_fall [2023-12-02 13:15:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_pch_udc_dev [2023-12-02 13:15:37,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_pch_udc_dev [2023-12-02 13:15:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_set_maxpacket_limit [2023-12-02 13:15:37,617 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_set_maxpacket_limit [2023-12-02 13:15:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2023-12-02 13:15:37,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2023-12-02 13:15:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_set_bufsz [2023-12-02 13:15:37,618 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_set_bufsz [2023-12-02 13:15:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:15:37,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:15:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_enable_interrupts [2023-12-02 13:15:37,618 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_enable_interrupts [2023-12-02 13:15:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_bit_clr [2023-12-02 13:15:37,618 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_bit_clr [2023-12-02 13:15:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-12-02 13:15:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-12-02 13:15:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-12-02 13:15:37,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-12-02 13:15:37,619 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_bit_set [2023-12-02 13:15:37,619 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_bit_set [2023-12-02 13:15:37,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-12-02 13:15:37,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-12-02 13:15:37,619 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-12-02 13:15:37,619 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-12-02 13:15:37,619 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-12-02 13:15:37,619 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-12-02 13:15:37,619 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_csr_busy [2023-12-02 13:15:37,619 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_csr_busy [2023-12-02 13:15:37,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-12-02 13:15:37,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-12-02 13:15:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_stop [2023-12-02 13:15:37,620 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_stop [2023-12-02 13:15:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-12-02 13:15:37,620 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-12-02 13:15:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_writel [2023-12-02 13:15:37,620 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_writel [2023-12-02 13:15:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_isr [2023-12-02 13:15:37,620 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_isr [2023-12-02 13:15:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 13:15:37,620 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 13:15:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_readl [2023-12-02 13:15:37,620 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_readl [2023-12-02 13:15:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-12-02 13:15:37,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-12-02 13:15:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2023-12-02 13:15:37,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2023-12-02 13:15:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2023-12-02 13:15:37,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2023-12-02 13:15:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-12-02 13:15:37,621 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-12-02 13:15:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_set_rrdy [2023-12-02 13:15:37,621 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_set_rrdy [2023-12-02 13:15:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 13:15:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-12-02 13:15:37,621 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-12-02 13:15:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2023-12-02 13:15:37,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2023-12-02 13:15:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_117 [2023-12-02 13:15:37,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_117 [2023-12-02 13:15:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_ep_disable [2023-12-02 13:15:37,622 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_ep_disable [2023-12-02 13:15:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 13:15:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_10_2 [2023-12-02 13:15:37,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_10_2 [2023-12-02 13:15:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_139 [2023-12-02 13:15:37,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_139 [2023-12-02 13:15:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-12-02 13:15:37,623 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-12-02 13:15:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_set_maxpkt [2023-12-02 13:15:37,623 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_set_maxpkt [2023-12-02 13:15:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 13:15:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-12-02 13:15:37,623 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-12-02 13:15:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-12-02 13:15:37,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-12-02 13:15:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-12-02 13:15:37,623 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-12-02 13:15:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-12-02 13:15:37,623 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-12-02 13:15:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_fifo_flush [2023-12-02 13:15:37,624 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_fifo_flush [2023-12-02 13:15:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2023-12-02 13:15:37,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2023-12-02 13:15:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_set_dma [2023-12-02 13:15:37,624 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_set_dma [2023-12-02 13:15:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-12-02 13:15:37,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-12-02 13:15:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure pch_vbus_gpio_get_value [2023-12-02 13:15:37,624 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_vbus_gpio_get_value [2023-12-02 13:15:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-12-02 13:15:37,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-12-02 13:15:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-12-02 13:15:37,625 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-12-02 13:15:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-12-02 13:15:37,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-12-02 13:15:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-12-02 13:15:37,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-12-02 13:15:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_write_ep_interrupts [2023-12-02 13:15:37,626 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_write_ep_interrupts [2023-12-02 13:15:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-12-02 13:15:37,626 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-12-02 13:15:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_svc_intf_interrupt [2023-12-02 13:15:37,626 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_svc_intf_interrupt [2023-12-02 13:15:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure complete_req [2023-12-02 13:15:37,626 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_req [2023-12-02 13:15:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_writel [2023-12-02 13:15:37,626 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_writel [2023-12-02 13:15:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2023-12-02 13:15:37,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2023-12-02 13:15:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2023-12-02 13:15:37,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2023-12-02 13:15:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2023-12-02 13:15:37,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2023-12-02 13:15:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_read_csr [2023-12-02 13:15:37,627 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_read_csr [2023-12-02 13:15:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_bit_set [2023-12-02 13:15:37,628 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_bit_set [2023-12-02 13:15:37,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2023-12-02 13:15:37,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2023-12-02 13:15:37,628 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-12-02 13:15:37,628 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-12-02 13:15:37,628 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_set_ddptr [2023-12-02 13:15:37,628 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_set_ddptr [2023-12-02 13:15:37,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 13:15:37,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2023-12-02 13:15:37,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2023-12-02 13:15:37,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-12-02 13:15:37,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-12-02 13:15:37,629 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_clear_ep_control [2023-12-02 13:15:37,629 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_clear_ep_control [2023-12-02 13:15:37,629 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-12-02 13:15:37,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-12-02 13:15:37,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_97 [2023-12-02 13:15:37,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_97 [2023-12-02 13:15:37,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2023-12-02 13:15:37,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2023-12-02 13:15:37,629 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_start_next_txrequest [2023-12-02 13:15:37,629 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_start_next_txrequest [2023-12-02 13:15:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_96 [2023-12-02 13:15:37,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_96 [2023-12-02 13:15:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-12-02 13:15:37,630 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-12-02 13:15:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_probe [2023-12-02 13:15:37,630 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_probe [2023-12-02 13:15:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_read_ep_status [2023-12-02 13:15:37,630 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_read_ep_status [2023-12-02 13:15:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_write_csr [2023-12-02 13:15:37,630 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_write_csr [2023-12-02 13:15:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-12-02 13:15:37,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-12-02 13:15:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-12-02 13:15:37,631 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-12-02 13:15:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_complete_transfer [2023-12-02 13:15:37,631 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_complete_transfer [2023-12-02 13:15:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2023-12-02 13:15:37,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2023-12-02 13:15:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_0_5 [2023-12-02 13:15:37,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_0_5 [2023-12-02 13:15:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-12-02 13:15:37,631 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-12-02 13:15:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_bit_clr [2023-12-02 13:15:37,631 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_bit_clr [2023-12-02 13:15:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-12-02 13:15:37,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-12-02 13:15:37,632 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_set_disconnect [2023-12-02 13:15:37,632 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_set_disconnect [2023-12-02 13:15:37,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 13:15:37,632 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_svc_cfg_interrupt [2023-12-02 13:15:37,632 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_svc_cfg_interrupt [2023-12-02 13:15:37,632 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2023-12-02 13:15:37,632 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2023-12-02 13:15:37,632 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_get_frame [2023-12-02 13:15:37,632 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_get_frame [2023-12-02 13:15:38,411 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:15:38,415 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:15:38,857 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-12-02 13:15:45,618 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:15:47,434 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:15:47,434 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-12-02 13:15:47,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:15:47 BoogieIcfgContainer [2023-12-02 13:15:47,437 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:15:47,439 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:15:47,439 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:15:47,443 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:15:47,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:15:32" (1/3) ... [2023-12-02 13:15:47,443 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63eb7d49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:15:47, skipping insertion in model container [2023-12-02 13:15:47,444 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:15:36" (2/3) ... [2023-12-02 13:15:47,444 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63eb7d49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:15:47, skipping insertion in model container [2023-12-02 13:15:47,444 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:15:47" (3/3) ... [2023-12-02 13:15:47,445 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i [2023-12-02 13:15:47,465 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:15:47,465 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2023-12-02 13:15:47,560 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:15:47,565 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;@6f783128, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:15:47,565 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2023-12-02 13:15:47,578 INFO L276 IsEmpty]: Start isEmpty. Operand has 2168 states, 1237 states have (on average 1.3152789005658851) internal successors, (1627), 1348 states have internal predecessors, (1627), 738 states have call successors, (738), 170 states have call predecessors, (738), 169 states have return successors, (730), 714 states have call predecessors, (730), 730 states have call successors, (730) [2023-12-02 13:15:47,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 13:15:47,589 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:15:47,590 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 13:15:47,590 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 13:15:47,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:15:47,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1360881828, now seen corresponding path program 1 times [2023-12-02 13:15:47,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:15:47,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477960119] [2023-12-02 13:15:47,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:15:47,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:15:48,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:15:48,533 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 13:15:48,534 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:15:48,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477960119] [2023-12-02 13:15:48,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477960119] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:15:48,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:15:48,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:15:48,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613003209] [2023-12-02 13:15:48,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:15:48,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:15:48,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:15:48,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:15:48,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:15:48,583 INFO L87 Difference]: Start difference. First operand has 2168 states, 1237 states have (on average 1.3152789005658851) internal successors, (1627), 1348 states have internal predecessors, (1627), 738 states have call successors, (738), 170 states have call predecessors, (738), 169 states have return successors, (730), 714 states have call predecessors, (730), 730 states have call successors, (730) 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 13:15:51,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:15:51,029 INFO L93 Difference]: Finished difference Result 5761 states and 8493 transitions. [2023-12-02 13:15:51,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 13:15:51,032 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 13:15:51,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:15:51,087 INFO L225 Difference]: With dead ends: 5761 [2023-12-02 13:15:51,087 INFO L226 Difference]: Without dead ends: 3586 [2023-12-02 13:15:51,111 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 13:15:51,115 INFO L413 NwaCegarLoop]: 2849 mSDtfsCounter, 2013 mSDsluCounter, 5516 mSDsCounter, 0 mSdLazyCounter, 1056 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2013 SdHoareTripleChecker+Valid, 8365 SdHoareTripleChecker+Invalid, 1057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:15:51,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2013 Valid, 8365 Invalid, 1057 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1056 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-02 13:15:51,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3586 states. [2023-12-02 13:15:51,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3586 to 3415. [2023-12-02 13:15:51,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3415 states, 1949 states have (on average 1.2852744997434582) internal successors, (2505), 2091 states have internal predecessors, (2505), 1155 states have call successors, (1155), 284 states have call predecessors, (1155), 283 states have return successors, (1161), 1122 states have call predecessors, (1161), 1153 states have call successors, (1161) [2023-12-02 13:15:51,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3415 states to 3415 states and 4821 transitions. [2023-12-02 13:15:51,474 INFO L78 Accepts]: Start accepts. Automaton has 3415 states and 4821 transitions. Word has length 47 [2023-12-02 13:15:51,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:15:51,475 INFO L495 AbstractCegarLoop]: Abstraction has 3415 states and 4821 transitions. [2023-12-02 13:15:51,475 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 13:15:51,475 INFO L276 IsEmpty]: Start isEmpty. Operand 3415 states and 4821 transitions. [2023-12-02 13:15:51,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 13:15:51,478 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:15:51,479 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 13:15:51,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 13:15:51,479 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 13:15:51,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:15:51,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1117560534, now seen corresponding path program 1 times [2023-12-02 13:15:51,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:15:51,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093760912] [2023-12-02 13:15:51,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:15:51,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:15:51,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:15:51,986 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 13:15:51,986 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:15:51,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093760912] [2023-12-02 13:15:51,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093760912] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:15:51,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:15:51,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:15:51,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546395606] [2023-12-02 13:15:51,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:15:51,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:15:51,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:15:51,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:15:51,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:15:51,990 INFO L87 Difference]: Start difference. First operand 3415 states and 4821 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 13:15:54,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:15:54,115 INFO L93 Difference]: Finished difference Result 3415 states and 4821 transitions. [2023-12-02 13:15:54,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:15:54,116 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 13:15:54,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:15:54,154 INFO L225 Difference]: With dead ends: 3415 [2023-12-02 13:15:54,154 INFO L226 Difference]: Without dead ends: 3413 [2023-12-02 13:15:54,157 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 13:15:54,158 INFO L413 NwaCegarLoop]: 2667 mSDtfsCounter, 2990 mSDsluCounter, 2667 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2990 SdHoareTripleChecker+Valid, 5334 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-02 13:15:54,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2990 Valid, 5334 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-02 13:15:54,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3413 states. [2023-12-02 13:15:54,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3413 to 3413. [2023-12-02 13:15:54,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3413 states, 1948 states have (on average 1.2849075975359343) internal successors, (2503), 2089 states have internal predecessors, (2503), 1155 states have call successors, (1155), 284 states have call predecessors, (1155), 283 states have return successors, (1161), 1122 states have call predecessors, (1161), 1153 states have call successors, (1161) [2023-12-02 13:15:54,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3413 states to 3413 states and 4819 transitions. [2023-12-02 13:15:54,437 INFO L78 Accepts]: Start accepts. Automaton has 3413 states and 4819 transitions. Word has length 52 [2023-12-02 13:15:54,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:15:54,437 INFO L495 AbstractCegarLoop]: Abstraction has 3413 states and 4819 transitions. [2023-12-02 13:15:54,438 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 13:15:54,438 INFO L276 IsEmpty]: Start isEmpty. Operand 3413 states and 4819 transitions. [2023-12-02 13:15:54,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-02 13:15:54,441 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:15:54,441 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 13:15:54,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 13:15:54,441 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 13:15:54,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:15:54,442 INFO L85 PathProgramCache]: Analyzing trace with hash -37948982, now seen corresponding path program 1 times [2023-12-02 13:15:54,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:15:54,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627826244] [2023-12-02 13:15:54,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:15:54,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:15:54,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:15:54,895 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 13:15:54,896 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:15:54,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627826244] [2023-12-02 13:15:54,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627826244] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:15:54,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:15:54,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:15:54,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162704049] [2023-12-02 13:15:54,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:15:54,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:15:54,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:15:54,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:15:54,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:15:54,899 INFO L87 Difference]: Start difference. First operand 3413 states and 4819 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 13:15:56,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:15:56,546 INFO L93 Difference]: Finished difference Result 3413 states and 4819 transitions. [2023-12-02 13:15:56,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:15:56,547 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 13:15:56,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:15:56,578 INFO L225 Difference]: With dead ends: 3413 [2023-12-02 13:15:56,578 INFO L226 Difference]: Without dead ends: 3411 [2023-12-02 13:15:56,581 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 13:15:56,582 INFO L413 NwaCegarLoop]: 2665 mSDtfsCounter, 2987 mSDsluCounter, 2665 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2987 SdHoareTripleChecker+Valid, 5330 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:15:56,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2987 Valid, 5330 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-02 13:15:56,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3411 states. [2023-12-02 13:15:56,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3411 to 3411. [2023-12-02 13:15:56,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3411 states, 1947 states have (on average 1.2845403184386235) internal successors, (2501), 2087 states have internal predecessors, (2501), 1155 states have call successors, (1155), 284 states have call predecessors, (1155), 283 states have return successors, (1161), 1122 states have call predecessors, (1161), 1153 states have call successors, (1161) [2023-12-02 13:15:56,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3411 states to 3411 states and 4817 transitions. [2023-12-02 13:15:56,839 INFO L78 Accepts]: Start accepts. Automaton has 3411 states and 4817 transitions. Word has length 57 [2023-12-02 13:15:56,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:15:56,840 INFO L495 AbstractCegarLoop]: Abstraction has 3411 states and 4817 transitions. [2023-12-02 13:15:56,840 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 13:15:56,840 INFO L276 IsEmpty]: Start isEmpty. Operand 3411 states and 4817 transitions. [2023-12-02 13:15:56,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 13:15:56,843 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:15:56,843 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 13:15:56,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 13:15:56,843 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 13:15:56,844 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:15:56,844 INFO L85 PathProgramCache]: Analyzing trace with hash 313767704, now seen corresponding path program 1 times [2023-12-02 13:15:56,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:15:56,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145779240] [2023-12-02 13:15:56,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:15:56,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:15:56,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:15:57,138 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 13:15:57,139 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:15:57,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145779240] [2023-12-02 13:15:57,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145779240] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:15:57,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:15:57,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:15:57,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935726097] [2023-12-02 13:15:57,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:15:57,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:15:57,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:15:57,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:15:57,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:15:57,141 INFO L87 Difference]: Start difference. First operand 3411 states and 4817 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 13:15:58,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:15:58,540 INFO L93 Difference]: Finished difference Result 3411 states and 4817 transitions. [2023-12-02 13:15:58,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:15:58,541 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 13:15:58,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:15:58,563 INFO L225 Difference]: With dead ends: 3411 [2023-12-02 13:15:58,564 INFO L226 Difference]: Without dead ends: 3409 [2023-12-02 13:15:58,566 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 13:15:58,567 INFO L413 NwaCegarLoop]: 2663 mSDtfsCounter, 2984 mSDsluCounter, 2663 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2984 SdHoareTripleChecker+Valid, 5326 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:15:58,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2984 Valid, 5326 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-02 13:15:58,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3409 states. [2023-12-02 13:15:58,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3409 to 3409. [2023-12-02 13:15:58,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3409 states, 1946 states have (on average 1.2841726618705036) internal successors, (2499), 2085 states have internal predecessors, (2499), 1155 states have call successors, (1155), 284 states have call predecessors, (1155), 283 states have return successors, (1161), 1122 states have call predecessors, (1161), 1153 states have call successors, (1161) [2023-12-02 13:15:58,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3409 states to 3409 states and 4815 transitions. [2023-12-02 13:15:58,824 INFO L78 Accepts]: Start accepts. Automaton has 3409 states and 4815 transitions. Word has length 62 [2023-12-02 13:15:58,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:15:58,824 INFO L495 AbstractCegarLoop]: Abstraction has 3409 states and 4815 transitions. [2023-12-02 13:15:58,824 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 13:15:58,825 INFO L276 IsEmpty]: Start isEmpty. Operand 3409 states and 4815 transitions. [2023-12-02 13:15:58,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-02 13:15:58,826 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:15:58,827 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 13:15:58,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 13:15:58,827 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-02 13:15:58,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:15:58,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1095113772, now seen corresponding path program 1 times [2023-12-02 13:15:58,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:15:58,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904217527] [2023-12-02 13:15:58,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:15:58,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:15:58,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:15:59,130 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 13:15:59,131 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:15:59,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904217527] [2023-12-02 13:15:59,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904217527] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:15:59,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:15:59,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:15:59,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621594327] [2023-12-02 13:15:59,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:15:59,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:15:59,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:15:59,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:15:59,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:15:59,134 INFO L87 Difference]: Start difference. First operand 3409 states and 4815 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 13:16:00,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:16:00,719 INFO L93 Difference]: Finished difference Result 3409 states and 4815 transitions. [2023-12-02 13:16:00,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:16:00,720 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 13:16:00,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:16:00,747 INFO L225 Difference]: With dead ends: 3409 [2023-12-02 13:16:00,747 INFO L226 Difference]: Without dead ends: 3407 [2023-12-02 13:16:00,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:16:00,750 INFO L413 NwaCegarLoop]: 2661 mSDtfsCounter, 2981 mSDsluCounter, 2661 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2981 SdHoareTripleChecker+Valid, 5322 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:16:00,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2981 Valid, 5322 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-02 13:16:00,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3407 states. [2023-12-02 13:16:01,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3407 to 3407. [2023-12-02 13:16:01,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3407 states, 1945 states have (on average 1.2838046272493573) internal successors, (2497), 2083 states have internal predecessors, (2497), 1155 states have call successors, (1155), 284 states have call predecessors, (1155), 283 states have return successors, (1161), 1122 states have call predecessors, (1161), 1153 states have call successors, (1161) [2023-12-02 13:16:01,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3407 states to 3407 states and 4813 transitions. [2023-12-02 13:16:01,040 INFO L78 Accepts]: Start accepts. Automaton has 3407 states and 4813 transitions. Word has length 67 [2023-12-02 13:16:01,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:16:01,040 INFO L495 AbstractCegarLoop]: Abstraction has 3407 states and 4813 transitions. [2023-12-02 13:16:01,040 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 13:16:01,041 INFO L276 IsEmpty]: Start isEmpty. Operand 3407 states and 4813 transitions. [2023-12-02 13:16:01,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-02 13:16:01,042 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:16:01,042 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 13:16:01,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 13:16:01,043 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-02 13:16:01,043 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:16:01,043 INFO L85 PathProgramCache]: Analyzing trace with hash 781345194, now seen corresponding path program 1 times [2023-12-02 13:16:01,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:16:01,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134357217] [2023-12-02 13:16:01,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:16:01,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:16:01,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:16:01,447 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 13:16:01,447 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:16:01,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134357217] [2023-12-02 13:16:01,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134357217] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:16:01,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:16:01,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:16:01,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793492863] [2023-12-02 13:16:01,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:16:01,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:16:01,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:16:01,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:16:01,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:16:01,449 INFO L87 Difference]: Start difference. First operand 3407 states and 4813 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 13:16:02,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:16:02,833 INFO L93 Difference]: Finished difference Result 3407 states and 4813 transitions. [2023-12-02 13:16:02,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:16:02,834 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 13:16:02,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:16:02,856 INFO L225 Difference]: With dead ends: 3407 [2023-12-02 13:16:02,857 INFO L226 Difference]: Without dead ends: 3405 [2023-12-02 13:16:02,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:16:02,860 INFO L413 NwaCegarLoop]: 2659 mSDtfsCounter, 2978 mSDsluCounter, 2659 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2978 SdHoareTripleChecker+Valid, 5318 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:16:02,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2978 Valid, 5318 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-02 13:16:02,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3405 states. [2023-12-02 13:16:03,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3405 to 3405. [2023-12-02 13:16:03,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3405 states, 1944 states have (on average 1.2834362139917694) internal successors, (2495), 2081 states have internal predecessors, (2495), 1155 states have call successors, (1155), 284 states have call predecessors, (1155), 283 states have return successors, (1161), 1122 states have call predecessors, (1161), 1153 states have call successors, (1161) [2023-12-02 13:16:03,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3405 states to 3405 states and 4811 transitions. [2023-12-02 13:16:03,125 INFO L78 Accepts]: Start accepts. Automaton has 3405 states and 4811 transitions. Word has length 72 [2023-12-02 13:16:03,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:16:03,126 INFO L495 AbstractCegarLoop]: Abstraction has 3405 states and 4811 transitions. [2023-12-02 13:16:03,127 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 13:16:03,127 INFO L276 IsEmpty]: Start isEmpty. Operand 3405 states and 4811 transitions. [2023-12-02 13:16:03,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-02 13:16:03,129 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:16:03,129 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 13:16:03,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-02 13:16:03,130 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-02 13:16:03,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:16:03,130 INFO L85 PathProgramCache]: Analyzing trace with hash 831765927, now seen corresponding path program 1 times [2023-12-02 13:16:03,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:16:03,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164716903] [2023-12-02 13:16:03,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:16:03,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:16:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:16:03,533 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 13:16:03,533 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:16:03,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164716903] [2023-12-02 13:16:03,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164716903] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:16:03,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:16:03,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:16:03,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686238444] [2023-12-02 13:16:03,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:16:03,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:16:03,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:16:03,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:16:03,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:16:03,535 INFO L87 Difference]: Start difference. First operand 3405 states and 4811 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 13:16:04,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:16:04,880 INFO L93 Difference]: Finished difference Result 3405 states and 4811 transitions. [2023-12-02 13:16:04,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:16:04,881 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 13:16:04,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:16:04,898 INFO L225 Difference]: With dead ends: 3405 [2023-12-02 13:16:04,899 INFO L226 Difference]: Without dead ends: 3403 [2023-12-02 13:16:04,901 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 13:16:04,902 INFO L413 NwaCegarLoop]: 2657 mSDtfsCounter, 2975 mSDsluCounter, 2657 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2975 SdHoareTripleChecker+Valid, 5314 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:16:04,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2975 Valid, 5314 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-02 13:16:04,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3403 states. [2023-12-02 13:16:05,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3403 to 3403. [2023-12-02 13:16:05,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3403 states, 1943 states have (on average 1.2830674215131241) internal successors, (2493), 2079 states have internal predecessors, (2493), 1155 states have call successors, (1155), 284 states have call predecessors, (1155), 283 states have return successors, (1161), 1122 states have call predecessors, (1161), 1153 states have call successors, (1161) [2023-12-02 13:16:05,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3403 states to 3403 states and 4809 transitions. [2023-12-02 13:16:05,196 INFO L78 Accepts]: Start accepts. Automaton has 3403 states and 4809 transitions. Word has length 77 [2023-12-02 13:16:05,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:16:05,197 INFO L495 AbstractCegarLoop]: Abstraction has 3403 states and 4809 transitions. [2023-12-02 13:16:05,197 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 13:16:05,197 INFO L276 IsEmpty]: Start isEmpty. Operand 3403 states and 4809 transitions. [2023-12-02 13:16:05,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 13:16:05,199 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:16:05,199 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:16:05,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-02 13:16:05,199 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-02 13:16:05,200 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:16:05,200 INFO L85 PathProgramCache]: Analyzing trace with hash -103838090, now seen corresponding path program 1 times [2023-12-02 13:16:05,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:16:05,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622087675] [2023-12-02 13:16:05,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:16:05,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:16:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:16:06,416 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2023-12-02 13:16:06,416 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:16:06,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622087675] [2023-12-02 13:16:06,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622087675] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:16:06,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:16:06,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 13:16:06,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100157817] [2023-12-02 13:16:06,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:16:06,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 13:16:06,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:16:06,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 13:16:06,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:16:06,418 INFO L87 Difference]: Start difference. First operand 3403 states and 4809 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-02 13:16:11,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:16:11,863 INFO L93 Difference]: Finished difference Result 4577 states and 6437 transitions. [2023-12-02 13:16:11,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 13:16:11,864 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) Word has length 95 [2023-12-02 13:16:11,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:16:11,892 INFO L225 Difference]: With dead ends: 4577 [2023-12-02 13:16:11,892 INFO L226 Difference]: Without dead ends: 4575 [2023-12-02 13:16:11,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-02 13:16:11,897 INFO L413 NwaCegarLoop]: 3308 mSDtfsCounter, 2767 mSDsluCounter, 10207 mSDsCounter, 0 mSdLazyCounter, 3203 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2768 SdHoareTripleChecker+Valid, 13515 SdHoareTripleChecker+Invalid, 3205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-12-02 13:16:11,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2768 Valid, 13515 Invalid, 3205 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3203 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2023-12-02 13:16:11,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4575 states. [2023-12-02 13:16:12,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4575 to 4556. [2023-12-02 13:16:12,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4556 states, 2593 states have (on average 1.2795989201696876) internal successors, (3318), 2777 states have internal predecessors, (3318), 1539 states have call successors, (1539), 404 states have call predecessors, (1539), 402 states have return successors, (1559), 1490 states have call predecessors, (1559), 1537 states have call successors, (1559) [2023-12-02 13:16:12,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4556 states to 4556 states and 6416 transitions. [2023-12-02 13:16:12,244 INFO L78 Accepts]: Start accepts. Automaton has 4556 states and 6416 transitions. Word has length 95 [2023-12-02 13:16:12,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:16:12,245 INFO L495 AbstractCegarLoop]: Abstraction has 4556 states and 6416 transitions. [2023-12-02 13:16:12,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-02 13:16:12,246 INFO L276 IsEmpty]: Start isEmpty. Operand 4556 states and 6416 transitions. [2023-12-02 13:16:12,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 13:16:12,247 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:16:12,247 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 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] [2023-12-02 13:16:12,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-02 13:16:12,248 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_net_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-02 13:16:12,248 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:16:12,248 INFO L85 PathProgramCache]: Analyzing trace with hash -2127886458, now seen corresponding path program 1 times [2023-12-02 13:16:12,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:16:12,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863661816] [2023-12-02 13:16:12,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:16:12,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:16:12,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:16:12,522 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 13:16:12,523 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:16:12,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863661816] [2023-12-02 13:16:12,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863661816] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:16:12,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:16:12,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:16:12,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075208296] [2023-12-02 13:16:12,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:16:12,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:16:12,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:16:12,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:16:12,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:16:12,525 INFO L87 Difference]: Start difference. First operand 4556 states and 6416 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-02 13:16:13,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:16:13,786 INFO L93 Difference]: Finished difference Result 9088 states and 12803 transitions. [2023-12-02 13:16:13,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:16:13,787 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 86 [2023-12-02 13:16:13,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:16:13,804 INFO L225 Difference]: With dead ends: 9088 [2023-12-02 13:16:13,804 INFO L226 Difference]: Without dead ends: 4550 [2023-12-02 13:16:13,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:16:13,821 INFO L413 NwaCegarLoop]: 2653 mSDtfsCounter, 2985 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2985 SdHoareTripleChecker+Valid, 2653 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-02 13:16:13,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2985 Valid, 2653 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-02 13:16:13,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4550 states. [2023-12-02 13:16:14,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4550 to 4550. [2023-12-02 13:16:14,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4550 states, 2588 states have (on average 1.2785935085007727) internal successors, (3309), 2771 states have internal predecessors, (3309), 1539 states have call successors, (1539), 404 states have call predecessors, (1539), 402 states have return successors, (1559), 1490 states have call predecessors, (1559), 1537 states have call successors, (1559) [2023-12-02 13:16:14,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4550 states to 4550 states and 6407 transitions. [2023-12-02 13:16:14,248 INFO L78 Accepts]: Start accepts. Automaton has 4550 states and 6407 transitions. Word has length 86 [2023-12-02 13:16:14,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:16:14,249 INFO L495 AbstractCegarLoop]: Abstraction has 4550 states and 6407 transitions. [2023-12-02 13:16:14,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-02 13:16:14,249 INFO L276 IsEmpty]: Start isEmpty. Operand 4550 states and 6407 transitions. [2023-12-02 13:16:14,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 13:16:14,251 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:16:14,251 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:16:14,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-02 13:16:14,252 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-02 13:16:14,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:16:14,252 INFO L85 PathProgramCache]: Analyzing trace with hash -868737469, now seen corresponding path program 1 times [2023-12-02 13:16:14,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:16:14,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969875511] [2023-12-02 13:16:14,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:16:14,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:16:14,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:16:14,580 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2023-12-02 13:16:14,580 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:16:14,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969875511] [2023-12-02 13:16:14,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969875511] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:16:14,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:16:14,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:16:14,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026997558] [2023-12-02 13:16:14,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:16:14,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:16:14,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:16:14,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:16:14,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:16:14,582 INFO L87 Difference]: Start difference. First operand 4550 states and 6407 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-02 13:16:15,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:16:15,954 INFO L93 Difference]: Finished difference Result 9074 states and 12838 transitions. [2023-12-02 13:16:15,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:16:15,955 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 98 [2023-12-02 13:16:15,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:16:15,971 INFO L225 Difference]: With dead ends: 9074 [2023-12-02 13:16:15,971 INFO L226 Difference]: Without dead ends: 4542 [2023-12-02 13:16:15,996 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 13:16:15,997 INFO L413 NwaCegarLoop]: 2648 mSDtfsCounter, 2958 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2958 SdHoareTripleChecker+Valid, 2648 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:16:15,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2958 Valid, 2648 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-02 13:16:16,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4542 states. [2023-12-02 13:16:16,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4542 to 4542. [2023-12-02 13:16:16,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4542 states, 2581 states have (on average 1.2770244091437428) internal successors, (3296), 2763 states have internal predecessors, (3296), 1539 states have call successors, (1539), 404 states have call predecessors, (1539), 402 states have return successors, (1559), 1490 states have call predecessors, (1559), 1537 states have call successors, (1559) [2023-12-02 13:16:16,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4542 states to 4542 states and 6394 transitions. [2023-12-02 13:16:16,360 INFO L78 Accepts]: Start accepts. Automaton has 4542 states and 6394 transitions. Word has length 98 [2023-12-02 13:16:16,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:16:16,361 INFO L495 AbstractCegarLoop]: Abstraction has 4542 states and 6394 transitions. [2023-12-02 13:16:16,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-02 13:16:16,361 INFO L276 IsEmpty]: Start isEmpty. Operand 4542 states and 6394 transitions. [2023-12-02 13:16:16,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-02 13:16:16,363 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:16:16,364 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 13:16:16,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-02 13:16:16,364 INFO L420 AbstractCegarLoop]: === Iteration 11 === 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 13:16:16,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:16:16,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1731552110, now seen corresponding path program 1 times [2023-12-02 13:16:16,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:16:16,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51447547] [2023-12-02 13:16:16,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:16:16,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:16:16,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:16:16,775 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 13:16:16,775 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:16:16,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51447547] [2023-12-02 13:16:16,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51447547] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:16:16,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:16:16,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:16:16,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116974786] [2023-12-02 13:16:16,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:16:16,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:16:16,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:16:16,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:16:16,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:16:16,777 INFO L87 Difference]: Start difference. First operand 4542 states and 6394 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 13:16:18,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:16:18,313 INFO L93 Difference]: Finished difference Result 4542 states and 6394 transitions. [2023-12-02 13:16:18,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:16:18,314 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 13:16:18,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:16:18,328 INFO L225 Difference]: With dead ends: 4542 [2023-12-02 13:16:18,328 INFO L226 Difference]: Without dead ends: 4540 [2023-12-02 13:16:18,330 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 13:16:18,330 INFO L413 NwaCegarLoop]: 2645 mSDtfsCounter, 2962 mSDsluCounter, 2644 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2962 SdHoareTripleChecker+Valid, 5289 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:16:18,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2962 Valid, 5289 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-02 13:16:18,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4540 states. [2023-12-02 13:16:18,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4540 to 4540. [2023-12-02 13:16:18,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4540 states, 2580 states have (on average 1.2767441860465116) internal successors, (3294), 2761 states have internal predecessors, (3294), 1539 states have call successors, (1539), 404 states have call predecessors, (1539), 402 states have return successors, (1559), 1490 states have call predecessors, (1559), 1537 states have call successors, (1559) [2023-12-02 13:16:18,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4540 states to 4540 states and 6392 transitions. [2023-12-02 13:16:18,763 INFO L78 Accepts]: Start accepts. Automaton has 4540 states and 6392 transitions. Word has length 82 [2023-12-02 13:16:18,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:16:18,764 INFO L495 AbstractCegarLoop]: Abstraction has 4540 states and 6392 transitions. [2023-12-02 13:16:18,764 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 13:16:18,764 INFO L276 IsEmpty]: Start isEmpty. Operand 4540 states and 6392 transitions. [2023-12-02 13:16:18,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-02 13:16:18,767 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:16:18,767 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 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] [2023-12-02 13:16:18,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-02 13:16:18,767 INFO L420 AbstractCegarLoop]: === Iteration 12 === 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 13:16:18,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:16:18,768 INFO L85 PathProgramCache]: Analyzing trace with hash -672589317, now seen corresponding path program 1 times [2023-12-02 13:16:18,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:16:18,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443967136] [2023-12-02 13:16:18,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:16:18,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:16:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:16:19,223 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2023-12-02 13:16:19,223 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:16:19,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443967136] [2023-12-02 13:16:19,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443967136] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:16:19,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:16:19,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:16:19,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180280832] [2023-12-02 13:16:19,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:16:19,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 13:16:19,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:16:19,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 13:16:19,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:16:19,226 INFO L87 Difference]: Start difference. First operand 4540 states and 6392 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-02 13:16:21,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:16:21,827 INFO L93 Difference]: Finished difference Result 5459 states and 7463 transitions. [2023-12-02 13:16:21,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 13:16:21,828 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (22), 3 states have call predecessors, (22), 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 13:16:21,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:16:21,845 INFO L225 Difference]: With dead ends: 5459 [2023-12-02 13:16:21,845 INFO L226 Difference]: Without dead ends: 5457 [2023-12-02 13:16:21,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-02 13:16:21,848 INFO L413 NwaCegarLoop]: 2711 mSDtfsCounter, 1919 mSDsluCounter, 6781 mSDsCounter, 0 mSdLazyCounter, 1311 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1921 SdHoareTripleChecker+Valid, 9492 SdHoareTripleChecker+Invalid, 1314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:16:21,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1921 Valid, 9492 Invalid, 1314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1311 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-02 13:16:21,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5457 states. [2023-12-02 13:16:22,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5457 to 5418. [2023-12-02 13:16:22,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5418 states, 3044 states have (on average 1.259526938239159) internal successors, (3834), 3245 states have internal predecessors, (3834), 1790 states have call successors, (1790), 573 states have call predecessors, (1790), 565 states have return successors, (1812), 1721 states have call predecessors, (1812), 1788 states have call successors, (1812) [2023-12-02 13:16:22,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5418 states to 5418 states and 7436 transitions. [2023-12-02 13:16:22,295 INFO L78 Accepts]: Start accepts. Automaton has 5418 states and 7436 transitions. Word has length 94 [2023-12-02 13:16:22,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:16:22,295 INFO L495 AbstractCegarLoop]: Abstraction has 5418 states and 7436 transitions. [2023-12-02 13:16:22,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-02 13:16:22,296 INFO L276 IsEmpty]: Start isEmpty. Operand 5418 states and 7436 transitions. [2023-12-02 13:16:22,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-02 13:16:22,298 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:16:22,298 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 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] [2023-12-02 13:16:22,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-02 13:16:22,299 INFO L420 AbstractCegarLoop]: === Iteration 13 === 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 13:16:22,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:16:22,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1393511755, now seen corresponding path program 1 times [2023-12-02 13:16:22,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:16:22,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131665906] [2023-12-02 13:16:22,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:16:22,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:16:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:16:22,700 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2023-12-02 13:16:22,700 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:16:22,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131665906] [2023-12-02 13:16:22,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131665906] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:16:22,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:16:22,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:16:22,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63251239] [2023-12-02 13:16:22,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:16:22,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 13:16:22,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:16:22,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 13:16:22,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:16:22,702 INFO L87 Difference]: Start difference. First operand 5418 states and 7436 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-02 13:16:24,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:16:24,861 INFO L93 Difference]: Finished difference Result 5524 states and 7538 transitions. [2023-12-02 13:16:24,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:16:24,862 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (22), 3 states have call predecessors, (22), 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 13:16:24,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:16:24,878 INFO L225 Difference]: With dead ends: 5524 [2023-12-02 13:16:24,878 INFO L226 Difference]: Without dead ends: 5522 [2023-12-02 13:16:24,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-02 13:16:24,881 INFO L413 NwaCegarLoop]: 2676 mSDtfsCounter, 2905 mSDsluCounter, 5429 mSDsCounter, 0 mSdLazyCounter, 1078 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2907 SdHoareTripleChecker+Valid, 8105 SdHoareTripleChecker+Invalid, 1080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1078 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-02 13:16:24,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2907 Valid, 8105 Invalid, 1080 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1078 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-02 13:16:24,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5522 states. [2023-12-02 13:16:25,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5522 to 5520. [2023-12-02 13:16:25,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5520 states, 3098 states have (on average 1.2550032278889607) internal successors, (3888), 3299 states have internal predecessors, (3888), 1812 states have call successors, (1812), 599 states have call predecessors, (1812), 591 states have return successors, (1834), 1743 states have call predecessors, (1834), 1810 states have call successors, (1834) [2023-12-02 13:16:25,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5520 states to 5520 states and 7534 transitions. [2023-12-02 13:16:25,348 INFO L78 Accepts]: Start accepts. Automaton has 5520 states and 7534 transitions. Word has length 94 [2023-12-02 13:16:25,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:16:25,349 INFO L495 AbstractCegarLoop]: Abstraction has 5520 states and 7534 transitions. [2023-12-02 13:16:25,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-02 13:16:25,349 INFO L276 IsEmpty]: Start isEmpty. Operand 5520 states and 7534 transitions. [2023-12-02 13:16:25,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 13:16:25,351 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:16:25,351 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 13:16:25,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-02 13:16:25,351 INFO L420 AbstractCegarLoop]: === Iteration 14 === 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 13:16:25,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:16:25,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1869380209, now seen corresponding path program 1 times [2023-12-02 13:16:25,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:16:25,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651071928] [2023-12-02 13:16:25,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:16:25,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:16:25,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:16:25,680 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 13:16:25,681 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:16:25,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651071928] [2023-12-02 13:16:25,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651071928] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:16:25,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:16:25,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:16:25,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292349528] [2023-12-02 13:16:25,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:16:25,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:16:25,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:16:25,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:16:25,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:16:25,683 INFO L87 Difference]: Start difference. First operand 5520 states and 7534 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 13:16:27,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:16:27,482 INFO L93 Difference]: Finished difference Result 5520 states and 7534 transitions. [2023-12-02 13:16:27,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:16:27,483 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 13:16:27,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:16:27,503 INFO L225 Difference]: With dead ends: 5520 [2023-12-02 13:16:27,503 INFO L226 Difference]: Without dead ends: 5518 [2023-12-02 13:16:27,507 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 13:16:27,508 INFO L413 NwaCegarLoop]: 2643 mSDtfsCounter, 2958 mSDsluCounter, 2643 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2958 SdHoareTripleChecker+Valid, 5286 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-02 13:16:27,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2958 Valid, 5286 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-02 13:16:27,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5518 states. [2023-12-02 13:16:27,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5518 to 5518. [2023-12-02 13:16:27,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5518 states, 3097 states have (on average 1.2544397804326768) internal successors, (3885), 3297 states have internal predecessors, (3885), 1812 states have call successors, (1812), 599 states have call predecessors, (1812), 591 states have return successors, (1834), 1743 states have call predecessors, (1834), 1810 states have call successors, (1834) [2023-12-02 13:16:27,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5518 states to 5518 states and 7531 transitions. [2023-12-02 13:16:27,997 INFO L78 Accepts]: Start accepts. Automaton has 5518 states and 7531 transitions. Word has length 84 [2023-12-02 13:16:27,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:16:27,998 INFO L495 AbstractCegarLoop]: Abstraction has 5518 states and 7531 transitions. [2023-12-02 13:16:27,998 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 13:16:27,998 INFO L276 IsEmpty]: Start isEmpty. Operand 5518 states and 7531 transitions. [2023-12-02 13:16:27,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-02 13:16:27,999 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:16:27,999 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:16:27,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-02 13:16:28,000 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_usb_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-02 13:16:28,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:16:28,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1548564185, now seen corresponding path program 1 times [2023-12-02 13:16:28,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:16:28,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508687768] [2023-12-02 13:16:28,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:16:28,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:16:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:16:28,394 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-12-02 13:16:28,394 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:16:28,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508687768] [2023-12-02 13:16:28,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508687768] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:16:28,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [932712861] [2023-12-02 13:16:28,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:16:28,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:16:28,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb91b3-a841-497b-ab23-ecf487e42299/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:16:28,399 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb91b3-a841-497b-ab23-ecf487e42299/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:16:28,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb91b3-a841-497b-ab23-ecf487e42299/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 13:16:29,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:16:29,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 2289 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 13:16:29,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:16:29,447 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 13:16:29,447 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:16:29,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [932712861] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:16:29,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 13:16:29,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2023-12-02 13:16:29,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663131334] [2023-12-02 13:16:29,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:16:29,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:16:29,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:16:29,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:16:29,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-12-02 13:16:29,450 INFO L87 Difference]: Start difference. First operand 5518 states and 7531 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-02 13:16:30,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:16:30,889 INFO L93 Difference]: Finished difference Result 11012 states and 15033 transitions. [2023-12-02 13:16:30,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:16:30,890 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 94 [2023-12-02 13:16:30,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:16:30,907 INFO L225 Difference]: With dead ends: 11012 [2023-12-02 13:16:30,907 INFO L226 Difference]: Without dead ends: 5512 [2023-12-02 13:16:30,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-12-02 13:16:30,930 INFO L413 NwaCegarLoop]: 2639 mSDtfsCounter, 2962 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2962 SdHoareTripleChecker+Valid, 2639 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-02 13:16:30,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2962 Valid, 2639 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-02 13:16:30,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5512 states. [2023-12-02 13:16:31,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5512 to 5512. [2023-12-02 13:16:31,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5512 states, 3092 states have (on average 1.2535575679172057) internal successors, (3876), 3291 states have internal predecessors, (3876), 1812 states have call successors, (1812), 599 states have call predecessors, (1812), 591 states have return successors, (1834), 1743 states have call predecessors, (1834), 1810 states have call successors, (1834) [2023-12-02 13:16:31,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5512 states to 5512 states and 7522 transitions. [2023-12-02 13:16:31,415 INFO L78 Accepts]: Start accepts. Automaton has 5512 states and 7522 transitions. Word has length 94 [2023-12-02 13:16:31,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:16:31,415 INFO L495 AbstractCegarLoop]: Abstraction has 5512 states and 7522 transitions. [2023-12-02 13:16:31,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-02 13:16:31,416 INFO L276 IsEmpty]: Start isEmpty. Operand 5512 states and 7522 transitions. [2023-12-02 13:16:31,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-02 13:16:31,417 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:16:31,417 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 13:16:31,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb91b3-a841-497b-ab23-ecf487e42299/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 13:16:31,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb91b3-a841-497b-ab23-ecf487e42299/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-12-02 13:16:31,618 INFO L420 AbstractCegarLoop]: === Iteration 16 === 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 13:16:31,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:16:31,618 INFO L85 PathProgramCache]: Analyzing trace with hash -380665144, now seen corresponding path program 1 times [2023-12-02 13:16:31,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:16:31,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959319868] [2023-12-02 13:16:31,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:16:31,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:16:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:16:31,962 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 13:16:31,963 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:16:31,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959319868] [2023-12-02 13:16:31,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959319868] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:16:31,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:16:31,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:16:31,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236543890] [2023-12-02 13:16:31,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:16:31,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:16:31,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:16:31,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:16:31,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:16:31,965 INFO L87 Difference]: Start difference. First operand 5512 states and 7522 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 13:16:33,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:16:33,830 INFO L93 Difference]: Finished difference Result 5512 states and 7522 transitions. [2023-12-02 13:16:33,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:16:33,831 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 13:16:33,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:16:33,847 INFO L225 Difference]: With dead ends: 5512 [2023-12-02 13:16:33,848 INFO L226 Difference]: Without dead ends: 5510 [2023-12-02 13:16:33,850 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 13:16:33,850 INFO L413 NwaCegarLoop]: 2636 mSDtfsCounter, 2952 mSDsluCounter, 2636 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2952 SdHoareTripleChecker+Valid, 5272 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:16:33,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2952 Valid, 5272 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-02 13:16:33,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5510 states. [2023-12-02 13:16:34,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5510 to 5510. [2023-12-02 13:16:34,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5510 states, 3091 states have (on average 1.2529925590423812) internal successors, (3873), 3289 states have internal predecessors, (3873), 1812 states have call successors, (1812), 599 states have call predecessors, (1812), 591 states have return successors, (1834), 1743 states have call predecessors, (1834), 1810 states have call successors, (1834) [2023-12-02 13:16:34,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5510 states to 5510 states and 7519 transitions. [2023-12-02 13:16:34,428 INFO L78 Accepts]: Start accepts. Automaton has 5510 states and 7519 transitions. Word has length 89 [2023-12-02 13:16:34,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:16:34,428 INFO L495 AbstractCegarLoop]: Abstraction has 5510 states and 7519 transitions. [2023-12-02 13:16:34,429 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 13:16:34,429 INFO L276 IsEmpty]: Start isEmpty. Operand 5510 states and 7519 transitions. [2023-12-02 13:16:34,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-02 13:16:34,431 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:16:34,431 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 13:16:34,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-02 13:16:34,431 INFO L420 AbstractCegarLoop]: === Iteration 17 === 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 13:16:34,431 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:16:34,432 INFO L85 PathProgramCache]: Analyzing trace with hash -837542706, now seen corresponding path program 1 times [2023-12-02 13:16:34,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:16:34,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702395746] [2023-12-02 13:16:34,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:16:34,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:16:34,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:16:34,700 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 13:16:34,700 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:16:34,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702395746] [2023-12-02 13:16:34,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702395746] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:16:34,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:16:34,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:16:34,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287027855] [2023-12-02 13:16:34,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:16:34,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:16:34,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:16:34,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:16:34,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:16:34,702 INFO L87 Difference]: Start difference. First operand 5510 states and 7519 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 13:16:36,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:16:36,396 INFO L93 Difference]: Finished difference Result 5510 states and 7519 transitions. [2023-12-02 13:16:36,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:16:36,397 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 13:16:36,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:16:36,412 INFO L225 Difference]: With dead ends: 5510 [2023-12-02 13:16:36,412 INFO L226 Difference]: Without dead ends: 5508 [2023-12-02 13:16:36,414 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 13:16:36,415 INFO L413 NwaCegarLoop]: 2634 mSDtfsCounter, 2949 mSDsluCounter, 2634 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2949 SdHoareTripleChecker+Valid, 5268 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:16:36,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2949 Valid, 5268 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-02 13:16:36,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5508 states. [2023-12-02 13:16:36,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5508 to 5508. [2023-12-02 13:16:36,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5508 states, 3090 states have (on average 1.2524271844660195) internal successors, (3870), 3287 states have internal predecessors, (3870), 1812 states have call successors, (1812), 599 states have call predecessors, (1812), 591 states have return successors, (1834), 1743 states have call predecessors, (1834), 1810 states have call successors, (1834) [2023-12-02 13:16:36,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5508 states to 5508 states and 7516 transitions. [2023-12-02 13:16:36,962 INFO L78 Accepts]: Start accepts. Automaton has 5508 states and 7516 transitions. Word has length 94 [2023-12-02 13:16:36,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:16:36,962 INFO L495 AbstractCegarLoop]: Abstraction has 5508 states and 7516 transitions. [2023-12-02 13:16:36,962 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 13:16:36,962 INFO L276 IsEmpty]: Start isEmpty. Operand 5508 states and 7516 transitions. [2023-12-02 13:16:36,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-02 13:16:36,964 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:16:36,964 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 13:16:36,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-02 13:16:36,965 INFO L420 AbstractCegarLoop]: === Iteration 18 === 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 13:16:36,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:16:36,965 INFO L85 PathProgramCache]: Analyzing trace with hash 665586196, now seen corresponding path program 1 times [2023-12-02 13:16:36,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:16:36,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536016013] [2023-12-02 13:16:36,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:16:36,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:16:37,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:16:37,221 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 13:16:37,221 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:16:37,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536016013] [2023-12-02 13:16:37,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536016013] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:16:37,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:16:37,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:16:37,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666168265] [2023-12-02 13:16:37,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:16:37,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:16:37,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:16:37,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:16:37,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:16:37,224 INFO L87 Difference]: Start difference. First operand 5508 states and 7516 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 13:16:39,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:16:39,136 INFO L93 Difference]: Finished difference Result 5508 states and 7516 transitions. [2023-12-02 13:16:39,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:16:39,137 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 13:16:39,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:16:39,155 INFO L225 Difference]: With dead ends: 5508 [2023-12-02 13:16:39,155 INFO L226 Difference]: Without dead ends: 5506 [2023-12-02 13:16:39,158 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 13:16:39,158 INFO L413 NwaCegarLoop]: 2632 mSDtfsCounter, 2946 mSDsluCounter, 2632 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2946 SdHoareTripleChecker+Valid, 5264 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:16:39,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2946 Valid, 5264 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-02 13:16:39,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5506 states. [2023-12-02 13:16:39,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5506 to 5506. [2023-12-02 13:16:39,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5506 states, 3089 states have (on average 1.2518614438329556) internal successors, (3867), 3285 states have internal predecessors, (3867), 1812 states have call successors, (1812), 599 states have call predecessors, (1812), 591 states have return successors, (1834), 1743 states have call predecessors, (1834), 1810 states have call successors, (1834) [2023-12-02 13:16:39,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5506 states to 5506 states and 7513 transitions. [2023-12-02 13:16:39,719 INFO L78 Accepts]: Start accepts. Automaton has 5506 states and 7513 transitions. Word has length 99 [2023-12-02 13:16:39,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:16:39,720 INFO L495 AbstractCegarLoop]: Abstraction has 5506 states and 7513 transitions. [2023-12-02 13:16:39,720 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 13:16:39,720 INFO L276 IsEmpty]: Start isEmpty. Operand 5506 states and 7513 transitions. [2023-12-02 13:16:39,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-02 13:16:39,722 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:16:39,722 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 13:16:39,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-02 13:16:39,723 INFO L420 AbstractCegarLoop]: === Iteration 19 === 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 13:16:39,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:16:39,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1566542743, now seen corresponding path program 1 times [2023-12-02 13:16:39,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:16:39,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081336308] [2023-12-02 13:16:39,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:16:39,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:16:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:16:39,970 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 13:16:39,970 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:16:39,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081336308] [2023-12-02 13:16:39,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081336308] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:16:39,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:16:39,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:16:39,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373323260] [2023-12-02 13:16:39,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:16:39,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:16:39,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:16:39,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:16:39,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:16:39,972 INFO L87 Difference]: Start difference. First operand 5506 states and 7513 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 13:16:41,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:16:41,698 INFO L93 Difference]: Finished difference Result 5506 states and 7513 transitions. [2023-12-02 13:16:41,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:16:41,699 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 13:16:41,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:16:41,713 INFO L225 Difference]: With dead ends: 5506 [2023-12-02 13:16:41,713 INFO L226 Difference]: Without dead ends: 5504 [2023-12-02 13:16:41,715 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 13:16:41,716 INFO L413 NwaCegarLoop]: 2630 mSDtfsCounter, 2943 mSDsluCounter, 2630 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2943 SdHoareTripleChecker+Valid, 5260 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:16:41,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2943 Valid, 5260 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-02 13:16:41,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5504 states. [2023-12-02 13:16:42,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5504 to 5504. [2023-12-02 13:16:42,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5504 states, 3088 states have (on average 1.2512953367875648) internal successors, (3864), 3283 states have internal predecessors, (3864), 1812 states have call successors, (1812), 599 states have call predecessors, (1812), 591 states have return successors, (1834), 1743 states have call predecessors, (1834), 1810 states have call successors, (1834) [2023-12-02 13:16:42,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5504 states to 5504 states and 7510 transitions. [2023-12-02 13:16:42,291 INFO L78 Accepts]: Start accepts. Automaton has 5504 states and 7510 transitions. Word has length 104 [2023-12-02 13:16:42,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:16:42,292 INFO L495 AbstractCegarLoop]: Abstraction has 5504 states and 7510 transitions. [2023-12-02 13:16:42,292 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 13:16:42,292 INFO L276 IsEmpty]: Start isEmpty. Operand 5504 states and 7510 transitions. [2023-12-02 13:16:42,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-02 13:16:42,294 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:16:42,294 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:16:42,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-02 13:16:42,295 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-02 13:16:42,295 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:16:42,295 INFO L85 PathProgramCache]: Analyzing trace with hash -2002266308, now seen corresponding path program 1 times [2023-12-02 13:16:42,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:16:42,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486399688] [2023-12-02 13:16:42,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:16:42,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:16:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:16:42,710 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-12-02 13:16:42,710 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:16:42,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486399688] [2023-12-02 13:16:42,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486399688] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:16:42,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:16:42,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:16:42,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323052026] [2023-12-02 13:16:42,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:16:42,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 13:16:42,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:16:42,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 13:16:42,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:16:42,712 INFO L87 Difference]: Start difference. First operand 5504 states and 7510 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-02 13:16:45,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:16:45,504 INFO L93 Difference]: Finished difference Result 5506 states and 7511 transitions. [2023-12-02 13:16:45,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:16:45,504 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 116 [2023-12-02 13:16:45,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:16:45,517 INFO L225 Difference]: With dead ends: 5506 [2023-12-02 13:16:45,517 INFO L226 Difference]: Without dead ends: 5504 [2023-12-02 13:16:45,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-02 13:16:45,519 INFO L413 NwaCegarLoop]: 2651 mSDtfsCounter, 105 mSDsluCounter, 7888 mSDsCounter, 0 mSdLazyCounter, 1403 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 10539 SdHoareTripleChecker+Invalid, 1404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:16:45,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 10539 Invalid, 1404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1403 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-02 13:16:45,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5504 states. [2023-12-02 13:16:46,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5504 to 5504. [2023-12-02 13:16:46,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5504 states, 3088 states have (on average 1.2506476683937824) internal successors, (3862), 3283 states have internal predecessors, (3862), 1812 states have call successors, (1812), 599 states have call predecessors, (1812), 591 states have return successors, (1834), 1743 states have call predecessors, (1834), 1810 states have call successors, (1834) [2023-12-02 13:16:46,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5504 states to 5504 states and 7508 transitions. [2023-12-02 13:16:46,074 INFO L78 Accepts]: Start accepts. Automaton has 5504 states and 7508 transitions. Word has length 116 [2023-12-02 13:16:46,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:16:46,075 INFO L495 AbstractCegarLoop]: Abstraction has 5504 states and 7508 transitions. [2023-12-02 13:16:46,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-02 13:16:46,075 INFO L276 IsEmpty]: Start isEmpty. Operand 5504 states and 7508 transitions. [2023-12-02 13:16:46,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-02 13:16:46,078 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:16:46,078 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 13:16:46,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-02 13:16:46,079 INFO L420 AbstractCegarLoop]: === Iteration 21 === 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 13:16:46,079 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:16:46,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1909055117, now seen corresponding path program 1 times [2023-12-02 13:16:46,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:16:46,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141313988] [2023-12-02 13:16:46,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:16:46,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:16:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:16:46,371 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 13:16:46,372 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:16:46,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141313988] [2023-12-02 13:16:46,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141313988] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:16:46,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:16:46,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:16:46,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607828119] [2023-12-02 13:16:46,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:16:46,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:16:46,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:16:46,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:16:46,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:16:46,373 INFO L87 Difference]: Start difference. First operand 5504 states and 7508 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 13:16:48,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:16:48,131 INFO L93 Difference]: Finished difference Result 5504 states and 7508 transitions. [2023-12-02 13:16:48,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:16:48,131 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 13:16:48,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:16:48,147 INFO L225 Difference]: With dead ends: 5504 [2023-12-02 13:16:48,147 INFO L226 Difference]: Without dead ends: 5502 [2023-12-02 13:16:48,150 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 13:16:48,150 INFO L413 NwaCegarLoop]: 2628 mSDtfsCounter, 2940 mSDsluCounter, 2628 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2940 SdHoareTripleChecker+Valid, 5256 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:16:48,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2940 Valid, 5256 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-02 13:16:48,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5502 states. [2023-12-02 13:16:48,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5502 to 5502. [2023-12-02 13:16:48,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5502 states, 3087 states have (on average 1.2500809847748624) internal successors, (3859), 3281 states have internal predecessors, (3859), 1812 states have call successors, (1812), 599 states have call predecessors, (1812), 591 states have return successors, (1834), 1743 states have call predecessors, (1834), 1810 states have call successors, (1834) [2023-12-02 13:16:48,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5502 states to 5502 states and 7505 transitions. [2023-12-02 13:16:48,925 INFO L78 Accepts]: Start accepts. Automaton has 5502 states and 7505 transitions. Word has length 109 [2023-12-02 13:16:48,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:16:48,926 INFO L495 AbstractCegarLoop]: Abstraction has 5502 states and 7505 transitions. [2023-12-02 13:16:48,926 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 13:16:48,926 INFO L276 IsEmpty]: Start isEmpty. Operand 5502 states and 7505 transitions. [2023-12-02 13:16:48,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-02 13:16:48,929 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:16:48,929 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 13:16:48,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-02 13:16:48,929 INFO L420 AbstractCegarLoop]: === Iteration 22 === 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 13:16:48,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:16:48,929 INFO L85 PathProgramCache]: Analyzing trace with hash 2129139946, now seen corresponding path program 1 times [2023-12-02 13:16:48,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:16:48,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424716834] [2023-12-02 13:16:48,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:16:48,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:16:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:16:49,186 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 13:16:49,187 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:16:49,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424716834] [2023-12-02 13:16:49,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424716834] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:16:49,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:16:49,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:16:49,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575120252] [2023-12-02 13:16:49,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:16:49,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:16:49,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:16:49,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:16:49,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:16:49,188 INFO L87 Difference]: Start difference. First operand 5502 states and 7505 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 13:16:51,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:16:51,402 INFO L93 Difference]: Finished difference Result 5502 states and 7505 transitions. [2023-12-02 13:16:51,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:16:51,403 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 13:16:51,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:16:51,416 INFO L225 Difference]: With dead ends: 5502 [2023-12-02 13:16:51,416 INFO L226 Difference]: Without dead ends: 5500 [2023-12-02 13:16:51,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:16:51,419 INFO L413 NwaCegarLoop]: 2626 mSDtfsCounter, 2937 mSDsluCounter, 2626 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2937 SdHoareTripleChecker+Valid, 5252 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:16:51,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2937 Valid, 5252 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-02 13:16:51,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5500 states. [2023-12-02 13:16:52,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5500 to 5500. [2023-12-02 13:16:52,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5500 states, 3086 states have (on average 1.2495139338950096) internal successors, (3856), 3279 states have internal predecessors, (3856), 1812 states have call successors, (1812), 599 states have call predecessors, (1812), 591 states have return successors, (1834), 1743 states have call predecessors, (1834), 1810 states have call successors, (1834) [2023-12-02 13:16:52,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5500 states to 5500 states and 7502 transitions. [2023-12-02 13:16:52,046 INFO L78 Accepts]: Start accepts. Automaton has 5500 states and 7502 transitions. Word has length 114 [2023-12-02 13:16:52,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:16:52,047 INFO L495 AbstractCegarLoop]: Abstraction has 5500 states and 7502 transitions. [2023-12-02 13:16:52,047 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 13:16:52,047 INFO L276 IsEmpty]: Start isEmpty. Operand 5500 states and 7502 transitions. [2023-12-02 13:16:52,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 13:16:52,049 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:16:52,049 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:16:52,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-02 13:16:52,049 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-02 13:16:52,049 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:16:52,050 INFO L85 PathProgramCache]: Analyzing trace with hash 824958568, now seen corresponding path program 1 times [2023-12-02 13:16:52,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:16:52,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070096940] [2023-12-02 13:16:52,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:16:52,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:16:52,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:16:52,523 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-12-02 13:16:52,523 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:16:52,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070096940] [2023-12-02 13:16:52,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070096940] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:16:52,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:16:52,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:16:52,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897495819] [2023-12-02 13:16:52,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:16:52,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 13:16:52,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:16:52,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 13:16:52,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:16:52,526 INFO L87 Difference]: Start difference. First operand 5500 states and 7502 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-12-02 13:16:55,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:16:55,251 INFO L93 Difference]: Finished difference Result 5523 states and 7517 transitions. [2023-12-02 13:16:55,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 13:16:55,251 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 131 [2023-12-02 13:16:55,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:16:55,267 INFO L225 Difference]: With dead ends: 5523 [2023-12-02 13:16:55,267 INFO L226 Difference]: Without dead ends: 5521 [2023-12-02 13:16:55,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 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 13:16:55,271 INFO L413 NwaCegarLoop]: 2972 mSDtfsCounter, 1534 mSDsluCounter, 7614 mSDsCounter, 0 mSdLazyCounter, 1517 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1535 SdHoareTripleChecker+Valid, 10586 SdHoareTripleChecker+Invalid, 1518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-02 13:16:55,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1535 Valid, 10586 Invalid, 1518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1517 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-02 13:16:55,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5521 states. [2023-12-02 13:16:55,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5521 to 5500. [2023-12-02 13:16:55,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5500 states, 3086 states have (on average 1.2485418016850292) internal successors, (3853), 3279 states have internal predecessors, (3853), 1812 states have call successors, (1812), 599 states have call predecessors, (1812), 591 states have return successors, (1834), 1743 states have call predecessors, (1834), 1810 states have call successors, (1834) [2023-12-02 13:16:55,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5500 states to 5500 states and 7499 transitions. [2023-12-02 13:16:55,924 INFO L78 Accepts]: Start accepts. Automaton has 5500 states and 7499 transitions. Word has length 131 [2023-12-02 13:16:55,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:16:55,924 INFO L495 AbstractCegarLoop]: Abstraction has 5500 states and 7499 transitions. [2023-12-02 13:16:55,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-12-02 13:16:55,925 INFO L276 IsEmpty]: Start isEmpty. Operand 5500 states and 7499 transitions. [2023-12-02 13:16:55,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-02 13:16:55,927 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:16:55,927 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 13:16:55,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-12-02 13:16:55,927 INFO L420 AbstractCegarLoop]: === Iteration 24 === 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 13:16:55,928 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:16:55,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1349246560, now seen corresponding path program 1 times [2023-12-02 13:16:55,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:16:55,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84975512] [2023-12-02 13:16:55,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:16:55,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:16:56,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:16:56,375 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 13:16:56,376 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:16:56,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84975512] [2023-12-02 13:16:56,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84975512] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:16:56,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:16:56,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:16:56,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868711272] [2023-12-02 13:16:56,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:16:56,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:16:56,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:16:56,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:16:56,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:16:56,378 INFO L87 Difference]: Start difference. First operand 5500 states and 7499 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 13:16:58,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:16:58,392 INFO L93 Difference]: Finished difference Result 5500 states and 7499 transitions. [2023-12-02 13:16:58,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:16:58,393 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 13:16:58,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:16:58,407 INFO L225 Difference]: With dead ends: 5500 [2023-12-02 13:16:58,407 INFO L226 Difference]: Without dead ends: 5498 [2023-12-02 13:16:58,409 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 13:16:58,410 INFO L413 NwaCegarLoop]: 2624 mSDtfsCounter, 2934 mSDsluCounter, 2624 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2934 SdHoareTripleChecker+Valid, 5248 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:16:58,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2934 Valid, 5248 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-02 13:16:58,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5498 states. [2023-12-02 13:16:59,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5498 to 5498. [2023-12-02 13:16:59,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5498 states, 3085 states have (on average 1.2479740680713127) internal successors, (3850), 3277 states have internal predecessors, (3850), 1812 states have call successors, (1812), 599 states have call predecessors, (1812), 591 states have return successors, (1834), 1743 states have call predecessors, (1834), 1810 states have call successors, (1834) [2023-12-02 13:16:59,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5498 states to 5498 states and 7496 transitions. [2023-12-02 13:16:59,094 INFO L78 Accepts]: Start accepts. Automaton has 5498 states and 7496 transitions. Word has length 119 [2023-12-02 13:16:59,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:16:59,095 INFO L495 AbstractCegarLoop]: Abstraction has 5498 states and 7496 transitions. [2023-12-02 13:16:59,095 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 13:16:59,095 INFO L276 IsEmpty]: Start isEmpty. Operand 5498 states and 7496 transitions. [2023-12-02 13:16:59,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 13:16:59,098 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:16:59,098 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 13:16:59,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-12-02 13:16:59,098 INFO L420 AbstractCegarLoop]: === Iteration 25 === 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 13:16:59,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:16:59,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1287144020, now seen corresponding path program 1 times [2023-12-02 13:16:59,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:16:59,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602967304] [2023-12-02 13:16:59,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:16:59,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:16:59,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:16:59,429 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 13:16:59,429 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:16:59,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602967304] [2023-12-02 13:16:59,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602967304] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:16:59,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:16:59,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:16:59,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463686780] [2023-12-02 13:16:59,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:16:59,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:16:59,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:16:59,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:16:59,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:16:59,431 INFO L87 Difference]: Start difference. First operand 5498 states and 7496 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 13:17:01,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:17:01,439 INFO L93 Difference]: Finished difference Result 5498 states and 7496 transitions. [2023-12-02 13:17:01,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:17:01,440 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 13:17:01,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:17:01,457 INFO L225 Difference]: With dead ends: 5498 [2023-12-02 13:17:01,457 INFO L226 Difference]: Without dead ends: 5496 [2023-12-02 13:17:01,460 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 13:17:01,460 INFO L413 NwaCegarLoop]: 2622 mSDtfsCounter, 2931 mSDsluCounter, 2622 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2931 SdHoareTripleChecker+Valid, 5244 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:17:01,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2931 Valid, 5244 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-02 13:17:01,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5496 states. [2023-12-02 13:17:02,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5496 to 5496. [2023-12-02 13:17:02,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5496 states, 3084 states have (on average 1.2474059662775616) internal successors, (3847), 3275 states have internal predecessors, (3847), 1812 states have call successors, (1812), 599 states have call predecessors, (1812), 591 states have return successors, (1834), 1743 states have call predecessors, (1834), 1810 states have call successors, (1834) [2023-12-02 13:17:02,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5496 states to 5496 states and 7493 transitions. [2023-12-02 13:17:02,193 INFO L78 Accepts]: Start accepts. Automaton has 5496 states and 7493 transitions. Word has length 124 [2023-12-02 13:17:02,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:17:02,193 INFO L495 AbstractCegarLoop]: Abstraction has 5496 states and 7493 transitions. [2023-12-02 13:17:02,193 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 13:17:02,193 INFO L276 IsEmpty]: Start isEmpty. Operand 5496 states and 7493 transitions. [2023-12-02 13:17:02,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-12-02 13:17:02,196 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:17:02,196 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 13:17:02,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-12-02 13:17:02,196 INFO L420 AbstractCegarLoop]: === Iteration 26 === 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 13:17:02,196 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:17:02,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1680014775, now seen corresponding path program 1 times [2023-12-02 13:17:02,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:17:02,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038182888] [2023-12-02 13:17:02,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:17:02,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:17:02,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:17:02,437 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 13:17:02,437 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:17:02,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038182888] [2023-12-02 13:17:02,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038182888] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:17:02,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:17:02,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:17:02,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641179093] [2023-12-02 13:17:02,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:17:02,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:17:02,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:17:02,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:17:02,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:17:02,439 INFO L87 Difference]: Start difference. First operand 5496 states and 7493 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 13:17:04,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:17:04,527 INFO L93 Difference]: Finished difference Result 5496 states and 7493 transitions. [2023-12-02 13:17:04,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:17:04,528 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 13:17:04,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:17:04,542 INFO L225 Difference]: With dead ends: 5496 [2023-12-02 13:17:04,542 INFO L226 Difference]: Without dead ends: 5494 [2023-12-02 13:17:04,544 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 13:17:04,545 INFO L413 NwaCegarLoop]: 2620 mSDtfsCounter, 2928 mSDsluCounter, 2620 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2928 SdHoareTripleChecker+Valid, 5240 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:17:04,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2928 Valid, 5240 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-02 13:17:04,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5494 states. [2023-12-02 13:17:05,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5494 to 5494. [2023-12-02 13:17:05,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5494 states, 3083 states have (on average 1.2468374959455075) internal successors, (3844), 3273 states have internal predecessors, (3844), 1812 states have call successors, (1812), 599 states have call predecessors, (1812), 591 states have return successors, (1834), 1743 states have call predecessors, (1834), 1810 states have call successors, (1834) [2023-12-02 13:17:05,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5494 states to 5494 states and 7490 transitions. [2023-12-02 13:17:05,299 INFO L78 Accepts]: Start accepts. Automaton has 5494 states and 7490 transitions. Word has length 129 [2023-12-02 13:17:05,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:17:05,299 INFO L495 AbstractCegarLoop]: Abstraction has 5494 states and 7490 transitions. [2023-12-02 13:17:05,299 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 13:17:05,299 INFO L276 IsEmpty]: Start isEmpty. Operand 5494 states and 7490 transitions. [2023-12-02 13:17:05,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-12-02 13:17:05,302 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:17:05,302 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 13:17:05,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-12-02 13:17:05,302 INFO L420 AbstractCegarLoop]: === Iteration 27 === 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 13:17:05,303 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:17:05,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1707896932, now seen corresponding path program 1 times [2023-12-02 13:17:05,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:17:05,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410355924] [2023-12-02 13:17:05,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:17:05,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:17:05,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:17:05,554 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 13:17:05,554 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:17:05,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410355924] [2023-12-02 13:17:05,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410355924] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:17:05,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:17:05,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:17:05,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662198583] [2023-12-02 13:17:05,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:17:05,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:17:05,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:17:05,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:17:05,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:17:05,555 INFO L87 Difference]: Start difference. First operand 5494 states and 7490 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 13:17:07,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:17:07,655 INFO L93 Difference]: Finished difference Result 5494 states and 7490 transitions. [2023-12-02 13:17:07,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:17:07,656 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 13:17:07,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:17:07,668 INFO L225 Difference]: With dead ends: 5494 [2023-12-02 13:17:07,668 INFO L226 Difference]: Without dead ends: 5492 [2023-12-02 13:17:07,670 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 13:17:07,670 INFO L413 NwaCegarLoop]: 2618 mSDtfsCounter, 2925 mSDsluCounter, 2618 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2925 SdHoareTripleChecker+Valid, 5236 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:17:07,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2925 Valid, 5236 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-02 13:17:07,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5492 states. [2023-12-02 13:17:08,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5492 to 5492. [2023-12-02 13:17:08,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5492 states, 3082 states have (on average 1.2462686567164178) internal successors, (3841), 3271 states have internal predecessors, (3841), 1812 states have call successors, (1812), 599 states have call predecessors, (1812), 591 states have return successors, (1834), 1743 states have call predecessors, (1834), 1810 states have call successors, (1834) [2023-12-02 13:17:08,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5492 states to 5492 states and 7487 transitions. [2023-12-02 13:17:08,423 INFO L78 Accepts]: Start accepts. Automaton has 5492 states and 7487 transitions. Word has length 134 [2023-12-02 13:17:08,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:17:08,423 INFO L495 AbstractCegarLoop]: Abstraction has 5492 states and 7487 transitions. [2023-12-02 13:17:08,423 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 13:17:08,423 INFO L276 IsEmpty]: Start isEmpty. Operand 5492 states and 7487 transitions. [2023-12-02 13:17:08,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-12-02 13:17:08,426 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:17:08,426 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:17:08,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-12-02 13:17:08,426 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-02 13:17:08,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:17:08,427 INFO L85 PathProgramCache]: Analyzing trace with hash -887515162, now seen corresponding path program 1 times [2023-12-02 13:17:08,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:17:08,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169335326] [2023-12-02 13:17:08,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:17:08,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:17:08,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:17:08,680 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 13:17:08,680 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:17:08,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169335326] [2023-12-02 13:17:08,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169335326] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:17:08,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:17:08,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:17:08,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47672014] [2023-12-02 13:17:08,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:17:08,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:17:08,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:17:08,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:17:08,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:17:08,682 INFO L87 Difference]: Start difference. First operand 5492 states and 7487 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-12-02 13:17:10,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:17:10,835 INFO L93 Difference]: Finished difference Result 5492 states and 7487 transitions. [2023-12-02 13:17:10,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:17:10,836 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 139 [2023-12-02 13:17:10,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:17:10,853 INFO L225 Difference]: With dead ends: 5492 [2023-12-02 13:17:10,853 INFO L226 Difference]: Without dead ends: 5490 [2023-12-02 13:17:10,856 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 13:17:10,857 INFO L413 NwaCegarLoop]: 2616 mSDtfsCounter, 2922 mSDsluCounter, 2616 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2922 SdHoareTripleChecker+Valid, 5232 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:17:10,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2922 Valid, 5232 Invalid, 684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-02 13:17:10,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5490 states. [2023-12-02 13:17:11,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5490 to 5490. [2023-12-02 13:17:11,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5490 states, 3081 states have (on average 1.245699448231094) internal successors, (3838), 3269 states have internal predecessors, (3838), 1812 states have call successors, (1812), 599 states have call predecessors, (1812), 591 states have return successors, (1834), 1743 states have call predecessors, (1834), 1810 states have call successors, (1834) [2023-12-02 13:17:11,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5490 states to 5490 states and 7484 transitions. [2023-12-02 13:17:11,639 INFO L78 Accepts]: Start accepts. Automaton has 5490 states and 7484 transitions. Word has length 139 [2023-12-02 13:17:11,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:17:11,639 INFO L495 AbstractCegarLoop]: Abstraction has 5490 states and 7484 transitions. [2023-12-02 13:17:11,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-12-02 13:17:11,639 INFO L276 IsEmpty]: Start isEmpty. Operand 5490 states and 7484 transitions. [2023-12-02 13:17:11,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-12-02 13:17:11,642 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:17:11,642 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:17:11,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-12-02 13:17:11,643 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-02 13:17:11,643 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:17:11,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1798276693, now seen corresponding path program 1 times [2023-12-02 13:17:11,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:17:11,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708854813] [2023-12-02 13:17:11,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:17:11,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:17:11,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:17:11,904 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 13:17:11,905 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:17:11,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708854813] [2023-12-02 13:17:11,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708854813] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:17:11,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:17:11,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:17:11,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232561774] [2023-12-02 13:17:11,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:17:11,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:17:11,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 13:17:11,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:17:11,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:17:11,907 INFO L87 Difference]: Start difference. First operand 5490 states and 7484 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-12-02 13:17:14,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:17:14,192 INFO L93 Difference]: Finished difference Result 5490 states and 7484 transitions. [2023-12-02 13:17:14,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:17:14,193 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 144 [2023-12-02 13:17:14,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:17:14,209 INFO L225 Difference]: With dead ends: 5490 [2023-12-02 13:17:14,210 INFO L226 Difference]: Without dead ends: 5259 [2023-12-02 13:17:14,215 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 13:17:14,215 INFO L413 NwaCegarLoop]: 2615 mSDtfsCounter, 2918 mSDsluCounter, 2615 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2918 SdHoareTripleChecker+Valid, 5230 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:17:14,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2918 Valid, 5230 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 683 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-02 13:17:14,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5259 states. [2023-12-02 13:17:14,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5259 to 5253. [2023-12-02 13:17:14,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5253 states, 2946 states have (on average 1.2549219280380177) internal successors, (3697), 3129 states have internal predecessors, (3697), 1751 states have call successors, (1751), 559 states have call predecessors, (1751), 551 states have return successors, (1773), 1686 states have call predecessors, (1773), 1749 states have call successors, (1773) [2023-12-02 13:17:15,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5253 states to 5253 states and 7221 transitions. [2023-12-02 13:17:15,015 INFO L78 Accepts]: Start accepts. Automaton has 5253 states and 7221 transitions. Word has length 144 [2023-12-02 13:17:15,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:17:15,015 INFO L495 AbstractCegarLoop]: Abstraction has 5253 states and 7221 transitions. [2023-12-02 13:17:15,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-12-02 13:17:15,015 INFO L276 IsEmpty]: Start isEmpty. Operand 5253 states and 7221 transitions. [2023-12-02 13:17:15,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-12-02 13:17:15,018 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:17:15,018 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:17:15,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-12-02 13:17:15,019 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-02 13:17:15,019 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:17:15,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1246643632, now seen corresponding path program 1 times [2023-12-02 13:17:15,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:17:15,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855780608] [2023-12-02 13:17:15,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:17:15,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:17:15,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:17:17,220 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 6 proven. 58 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2023-12-02 13:17:17,221 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 13:17:17,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855780608] [2023-12-02 13:17:17,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855780608] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:17:17,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [88663075] [2023-12-02 13:17:17,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:17:17,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:17:17,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb91b3-a841-497b-ab23-ecf487e42299/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:17:17,222 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb91b3-a841-497b-ab23-ecf487e42299/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:17:17,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fb91b3-a841-497b-ab23-ecf487e42299/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 13:17:18,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:17:18,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 2873 conjuncts, 50 conjunts are in the unsatisfiable core [2023-12-02 13:17:18,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:17:18,523 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 194 proven. 2 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked. [2023-12-02 13:17:18,523 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:17:18,821 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 6 proven. 58 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2023-12-02 13:17:18,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [88663075] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 13:17:18,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1302867812] [2023-12-02 13:17:18,848 INFO L159 IcfgInterpreter]: Started Sifa with 88 locations of interest [2023-12-02 13:17:18,848 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 13:17:18,853 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 13:17:18,858 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 13:17:18,858 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 13:27:33,097 WARN L293 SmtUtils]: Spent 6.90s on a formula simplification. DAG size of input: 2209 DAG size of output: 2209 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-12-02 13:27:50,077 WARN L293 SmtUtils]: Spent 7.24s on a formula simplification that was a NOOP. DAG size: 2233 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-12-02 13:27:50,356 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_linux_net_register_reset_error_counter with input of size 2209 for LOIs [2023-12-02 13:27:58,300 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_undef_int with input of size 2209 for LOIs [2023-12-02 13:28:31,933 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_filter_positive_int with input of size 2205 for LOIs