./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/bin/utaipan-verify-sOmjnqqW8E/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_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/bin/utaipan-verify-sOmjnqqW8E --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 0.3.0-dev-826ab2b [2024-11-14 04:57:45,379 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:57:45,500 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 04:57:45,508 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:57:45,508 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:57:45,537 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:57:45,538 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:57:45,538 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:57:45,538 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:57:45,539 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:57:45,539 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:57:45,539 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:57:45,539 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:57:45,539 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:57:45,540 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:57:45,540 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:57:45,540 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:57:45,540 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:57:45,540 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:57:45,541 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:57:45,541 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:57:45,541 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:57:45,542 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:57:45,542 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:57:45,542 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:57:45,542 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:57:45,542 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:57:45,543 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:57:45,543 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:57:45,543 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:57:45,543 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:57:45,543 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:57:45,543 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:57:45,543 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:57:45,543 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:57:45,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:57:45,544 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:57:45,544 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:57:45,544 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:57:45,544 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:57:45,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:57:45,545 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:57:45,545 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:57:45,545 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:57:45,545 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/bin/utaipan-verify-sOmjnqqW8E 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 [2024-11-14 04:57:45,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:57:45,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:57:45,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:57:45,918 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:57:45,919 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:57:45,922 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i Unable to find full path for "g++" [2024-11-14 04:57:48,200 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:57:49,089 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:57:49,089 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i [2024-11-14 04:57:49,153 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/bin/utaipan-verify-sOmjnqqW8E/data/ae3fc67eb/1816c746d1d640b39de874b781c8fa1a/FLAGea1fc0f79 [2024-11-14 04:57:49,179 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/bin/utaipan-verify-sOmjnqqW8E/data/ae3fc67eb/1816c746d1d640b39de874b781c8fa1a [2024-11-14 04:57:49,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:57:49,185 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:57:49,188 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:57:49,188 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:57:49,193 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:57:49,195 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:57:49" (1/1) ... [2024-11-14 04:57:49,199 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1de7457b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:49, skipping insertion in model container [2024-11-14 04:57:49,199 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:57:49" (1/1) ... [2024-11-14 04:57:49,418 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:57:54,207 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[374384,374397] [2024-11-14 04:57:54,210 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[374529,374542] [2024-11-14 04:57:54,211 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[374675,374688] [2024-11-14 04:57:54,211 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[374840,374853] [2024-11-14 04:57:54,212 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[374998,375011] [2024-11-14 04:57:54,212 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375156,375169] [2024-11-14 04:57:54,213 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375314,375327] [2024-11-14 04:57:54,213 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375474,375487] [2024-11-14 04:57:54,213 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375633,375646] [2024-11-14 04:57:54,214 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375772,375785] [2024-11-14 04:57:54,214 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375914,375927] [2024-11-14 04:57:54,215 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376063,376076] [2024-11-14 04:57:54,215 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376202,376215] [2024-11-14 04:57:54,216 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376357,376370] [2024-11-14 04:57:54,216 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376517,376530] [2024-11-14 04:57:54,216 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376668,376681] [2024-11-14 04:57:54,217 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376819,376832] [2024-11-14 04:57:54,217 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376971,376984] [2024-11-14 04:57:54,218 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377120,377133] [2024-11-14 04:57:54,218 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377268,377281] [2024-11-14 04:57:54,219 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377425,377438] [2024-11-14 04:57:54,219 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377574,377587] [2024-11-14 04:57:54,220 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377730,377743] [2024-11-14 04:57:54,220 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377883,377896] [2024-11-14 04:57:54,220 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378029,378042] [2024-11-14 04:57:54,221 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378172,378185] [2024-11-14 04:57:54,221 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378324,378337] [2024-11-14 04:57:54,222 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378470,378483] [2024-11-14 04:57:54,222 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378615,378628] [2024-11-14 04:57:54,223 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378769,378782] [2024-11-14 04:57:54,223 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378920,378933] [2024-11-14 04:57:54,223 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379075,379088] [2024-11-14 04:57:54,224 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379227,379240] [2024-11-14 04:57:54,224 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379382,379395] [2024-11-14 04:57:54,225 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379546,379559] [2024-11-14 04:57:54,225 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379702,379715] [2024-11-14 04:57:54,226 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379866,379879] [2024-11-14 04:57:54,226 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380008,380021] [2024-11-14 04:57:54,227 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380166,380179] [2024-11-14 04:57:54,227 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380333,380346] [2024-11-14 04:57:54,227 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380492,380505] [2024-11-14 04:57:54,228 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380651,380664] [2024-11-14 04:57:54,228 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380800,380813] [2024-11-14 04:57:54,229 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380947,380960] [2024-11-14 04:57:54,229 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381086,381099] [2024-11-14 04:57:54,230 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381249,381262] [2024-11-14 04:57:54,230 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381415,381428] [2024-11-14 04:57:54,230 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381579,381592] [2024-11-14 04:57:54,231 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381744,381757] [2024-11-14 04:57:54,231 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381909,381922] [2024-11-14 04:57:54,231 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382075,382088] [2024-11-14 04:57:54,232 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382240,382253] [2024-11-14 04:57:54,232 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382407,382420] [2024-11-14 04:57:54,233 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382567,382580] [2024-11-14 04:57:54,233 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382729,382742] [2024-11-14 04:57:54,234 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382888,382901] [2024-11-14 04:57:54,234 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383034,383047] [2024-11-14 04:57:54,235 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383177,383190] [2024-11-14 04:57:54,235 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383321,383334] [2024-11-14 04:57:54,236 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383464,383477] [2024-11-14 04:57:54,236 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383608,383621] [2024-11-14 04:57:54,237 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383749,383762] [2024-11-14 04:57:54,237 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383887,383900] [2024-11-14 04:57:54,237 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384045,384058] [2024-11-14 04:57:54,238 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384204,384217] [2024-11-14 04:57:54,238 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384360,384373] [2024-11-14 04:57:54,239 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384509,384522] [2024-11-14 04:57:54,239 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384661,384674] [2024-11-14 04:57:54,240 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384812,384825] [2024-11-14 04:57:54,240 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384961,384974] [2024-11-14 04:57:54,241 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385113,385126] [2024-11-14 04:57:54,241 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385261,385274] [2024-11-14 04:57:54,242 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385414,385427] [2024-11-14 04:57:54,242 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385565,385578] [2024-11-14 04:57:54,243 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385715,385728] [2024-11-14 04:57:54,243 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385862,385875] [2024-11-14 04:57:54,243 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386013,386026] [2024-11-14 04:57:54,244 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386164,386177] [2024-11-14 04:57:54,244 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386312,386325] [2024-11-14 04:57:54,245 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386478,386491] [2024-11-14 04:57:54,245 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386647,386660] [2024-11-14 04:57:54,246 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386814,386827] [2024-11-14 04:57:54,246 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386982,386995] [2024-11-14 04:57:54,247 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[387132,387145] [2024-11-14 04:57:54,247 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[387279,387292] [2024-11-14 04:57:54,248 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[387440,387453] [2024-11-14 04:57:54,248 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[387610,387623] [2024-11-14 04:57:54,248 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[387772,387785] [2024-11-14 04:57:54,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:57:54,301 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:57:54,451 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [4367] [2024-11-14 04:57:54,464 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] [2024-11-14 04:57:54,467 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] [2024-11-14 04:57:54,838 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] [2024-11-14 04:57:55,050 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[374384,374397] [2024-11-14 04:57:55,052 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[374529,374542] [2024-11-14 04:57:55,053 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[374675,374688] [2024-11-14 04:57:55,054 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[374840,374853] [2024-11-14 04:57:55,055 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[374998,375011] [2024-11-14 04:57:55,056 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375156,375169] [2024-11-14 04:57:55,058 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375314,375327] [2024-11-14 04:57:55,058 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375474,375487] [2024-11-14 04:57:55,059 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375633,375646] [2024-11-14 04:57:55,059 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375772,375785] [2024-11-14 04:57:55,059 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375914,375927] [2024-11-14 04:57:55,061 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376063,376076] [2024-11-14 04:57:55,062 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376202,376215] [2024-11-14 04:57:55,062 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376357,376370] [2024-11-14 04:57:55,063 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376517,376530] [2024-11-14 04:57:55,063 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376668,376681] [2024-11-14 04:57:55,065 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376819,376832] [2024-11-14 04:57:55,066 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376971,376984] [2024-11-14 04:57:55,066 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377120,377133] [2024-11-14 04:57:55,069 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377268,377281] [2024-11-14 04:57:55,069 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377425,377438] [2024-11-14 04:57:55,070 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377574,377587] [2024-11-14 04:57:55,070 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377730,377743] [2024-11-14 04:57:55,071 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377883,377896] [2024-11-14 04:57:55,071 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378029,378042] [2024-11-14 04:57:55,071 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378172,378185] [2024-11-14 04:57:55,072 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378324,378337] [2024-11-14 04:57:55,072 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378470,378483] [2024-11-14 04:57:55,072 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378615,378628] [2024-11-14 04:57:55,073 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378769,378782] [2024-11-14 04:57:55,073 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378920,378933] [2024-11-14 04:57:55,073 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379075,379088] [2024-11-14 04:57:55,073 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379227,379240] [2024-11-14 04:57:55,074 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379382,379395] [2024-11-14 04:57:55,074 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379546,379559] [2024-11-14 04:57:55,078 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379702,379715] [2024-11-14 04:57:55,079 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379866,379879] [2024-11-14 04:57:55,079 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380008,380021] [2024-11-14 04:57:55,079 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380166,380179] [2024-11-14 04:57:55,080 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380333,380346] [2024-11-14 04:57:55,080 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380492,380505] [2024-11-14 04:57:55,080 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380651,380664] [2024-11-14 04:57:55,081 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380800,380813] [2024-11-14 04:57:55,081 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380947,380960] [2024-11-14 04:57:55,083 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381086,381099] [2024-11-14 04:57:55,084 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381249,381262] [2024-11-14 04:57:55,084 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381415,381428] [2024-11-14 04:57:55,085 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381579,381592] [2024-11-14 04:57:55,085 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381744,381757] [2024-11-14 04:57:55,090 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381909,381922] [2024-11-14 04:57:55,090 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382075,382088] [2024-11-14 04:57:55,091 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382240,382253] [2024-11-14 04:57:55,091 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382407,382420] [2024-11-14 04:57:55,091 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382567,382580] [2024-11-14 04:57:55,091 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382729,382742] [2024-11-14 04:57:55,092 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382888,382901] [2024-11-14 04:57:55,092 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383034,383047] [2024-11-14 04:57:55,092 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383177,383190] [2024-11-14 04:57:55,093 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383321,383334] [2024-11-14 04:57:55,093 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383464,383477] [2024-11-14 04:57:55,093 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383608,383621] [2024-11-14 04:57:55,093 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383749,383762] [2024-11-14 04:57:55,094 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383887,383900] [2024-11-14 04:57:55,094 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384045,384058] [2024-11-14 04:57:55,097 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384204,384217] [2024-11-14 04:57:55,098 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384360,384373] [2024-11-14 04:57:55,098 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384509,384522] [2024-11-14 04:57:55,099 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384661,384674] [2024-11-14 04:57:55,099 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384812,384825] [2024-11-14 04:57:55,099 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384961,384974] [2024-11-14 04:57:55,100 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385113,385126] [2024-11-14 04:57:55,100 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385261,385274] [2024-11-14 04:57:55,100 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385414,385427] [2024-11-14 04:57:55,101 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385565,385578] [2024-11-14 04:57:55,102 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385715,385728] [2024-11-14 04:57:55,102 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385862,385875] [2024-11-14 04:57:55,102 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386013,386026] [2024-11-14 04:57:55,103 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386164,386177] [2024-11-14 04:57:55,103 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386312,386325] [2024-11-14 04:57:55,104 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386478,386491] [2024-11-14 04:57:55,105 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386647,386660] [2024-11-14 04:57:55,105 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386814,386827] [2024-11-14 04:57:55,106 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386982,386995] [2024-11-14 04:57:55,106 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[387132,387145] [2024-11-14 04:57:55,107 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[387279,387292] [2024-11-14 04:57:55,107 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[387440,387453] [2024-11-14 04:57:55,108 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[387610,387623] [2024-11-14 04:57:55,108 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[387772,387785] [2024-11-14 04:57:55,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:57:55,506 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:57:55,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:55 WrapperNode [2024-11-14 04:57:55,507 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:57:55,509 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:57:55,509 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:57:55,509 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:57:55,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:55" (1/1) ... [2024-11-14 04:57:55,741 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:55" (1/1) ... [2024-11-14 04:57:56,099 INFO L138 Inliner]: procedures = 701, calls = 2897, calls flagged for inlining = 312, calls inlined = 235, statements flattened = 6365 [2024-11-14 04:57:56,100 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:57:56,101 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:57:56,101 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:57:56,101 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:57:56,111 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:55" (1/1) ... [2024-11-14 04:57:56,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:55" (1/1) ... [2024-11-14 04:57:56,148 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:55" (1/1) ... [2024-11-14 04:57:56,148 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:55" (1/1) ... [2024-11-14 04:57:56,460 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:55" (1/1) ... [2024-11-14 04:57:56,538 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:55" (1/1) ... [2024-11-14 04:57:56,662 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:55" (1/1) ... [2024-11-14 04:57:56,703 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:55" (1/1) ... [2024-11-14 04:57:56,767 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:57:56,769 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:57:56,769 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:57:56,769 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:57:56,770 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:55" (1/1) ... [2024-11-14 04:57:56,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:57:56,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:57:56,815 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:57:56,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:57:56,859 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_clear_stall [2024-11-14 04:57:56,860 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_clear_stall [2024-11-14 04:57:56,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_99 [2024-11-14 04:57:56,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_99 [2024-11-14 04:57:56,860 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_clear_ep_status [2024-11-14 04:57:56,860 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_clear_ep_status [2024-11-14 04:57:56,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2024-11-14 04:57:56,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2024-11-14 04:57:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_init_setup_buff [2024-11-14 04:57:56,861 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_init_setup_buff [2024-11-14 04:57:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_resume [2024-11-14 04:57:56,861 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_resume [2024-11-14 04:57:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-14 04:57:56,861 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-14 04:57:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_udc_stall_spinlock [2024-11-14 04:57:56,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_udc_stall_spinlock [2024-11-14 04:57:56,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-14 04:57:56,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-14 04:57:56,862 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_shutdown [2024-11-14 04:57:56,862 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_shutdown [2024-11-14 04:57:56,862 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_clear_dma [2024-11-14 04:57:56,862 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_clear_dma [2024-11-14 04:57:56,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2024-11-14 04:57:56,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2024-11-14 04:57:56,862 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-14 04:57:56,863 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-14 04:57:56,863 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_init [2024-11-14 04:57:56,864 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_init [2024-11-14 04:57:56,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-14 04:57:56,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-14 04:57:56,864 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-14 04:57:56,864 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-14 04:57:56,864 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_svc_data_out [2024-11-14 04:57:56,864 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_svc_data_out [2024-11-14 04:57:56,865 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_free_dma_chain [2024-11-14 04:57:56,865 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_free_dma_chain [2024-11-14 04:57:56,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2024-11-14 04:57:56,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2024-11-14 04:57:56,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2024-11-14 04:57:56,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2024-11-14 04:57:56,865 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-11-14 04:57:56,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-11-14 04:57:56,865 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_read_ep_control [2024-11-14 04:57:56,867 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_read_ep_control [2024-11-14 04:57:56,867 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_set_wedge [2024-11-14 04:57:56,867 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_set_wedge [2024-11-14 04:57:56,867 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_reconnect [2024-11-14 04:57:56,867 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_reconnect [2024-11-14 04:57:56,868 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_readl [2024-11-14 04:57:56,868 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_readl [2024-11-14 04:57:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_postsvc_epinters [2024-11-14 04:57:56,869 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_postsvc_epinters [2024-11-14 04:57:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2024-11-14 04:57:56,869 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2024-11-14 04:57:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-11-14 04:57:56,869 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-11-14 04:57:56,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-14 04:57:56,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-14 04:57:56,870 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2024-11-14 04:57:56,870 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2024-11-14 04:57:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_start_rxrequest [2024-11-14 04:57:56,871 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_start_rxrequest [2024-11-14 04:57:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-11-14 04:57:56,871 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-11-14 04:57:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-14 04:57:56,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-14 04:57:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2024-11-14 04:57:56,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2024-11-14 04:57:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-14 04:57:56,872 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-14 04:57:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2024-11-14 04:57:56,872 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2024-11-14 04:57:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 04:57:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_disable_ep_interrupts [2024-11-14 04:57:56,873 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_disable_ep_interrupts [2024-11-14 04:57:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2024-11-14 04:57:56,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2024-11-14 04:57:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_wait_ep_stall [2024-11-14 04:57:56,873 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_wait_ep_stall [2024-11-14 04:57:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-14 04:57:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-14 04:57:56,874 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-14 04:57:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-14 04:57:56,874 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-14 04:57:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_fifo_flush [2024-11-14 04:57:56,874 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_fifo_flush [2024-11-14 04:57:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_102 [2024-11-14 04:57:56,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_102 [2024-11-14 04:57:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_clear_nak [2024-11-14 04:57:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_clear_nak [2024-11-14 04:57:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-14 04:57:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2024-11-14 04:57:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2024-11-14 04:57:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-14 04:57:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-14 04:57:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure empty_req_queue [2024-11-14 04:57:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure empty_req_queue [2024-11-14 04:57:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2024-11-14 04:57:56,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2024-11-14 04:57:56,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 04:57:56,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2024-11-14 04:57:56,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2024-11-14 04:57:56,879 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-14 04:57:56,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-14 04:57:56,879 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_set_nak [2024-11-14 04:57:56,879 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_set_nak [2024-11-14 04:57:56,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-14 04:57:56,879 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-14 04:57:56,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2024-11-14 04:57:56,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2024-11-14 04:57:56,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-11-14 04:57:56,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-11-14 04:57:56,879 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_start [2024-11-14 04:57:56,879 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_start [2024-11-14 04:57:56,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-14 04:57:56,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-14 04:57:56,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-14 04:57:56,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-14 04:57:56,880 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_read_device_status [2024-11-14 04:57:56,880 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_read_device_status [2024-11-14 04:57:56,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2024-11-14 04:57:56,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2024-11-14 04:57:56,880 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-11-14 04:57:56,880 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-11-14 04:57:56,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2024-11-14 04:57:56,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2024-11-14 04:57:56,880 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-14 04:57:56,880 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-14 04:57:56,880 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-14 04:57:56,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-14 04:57:56,880 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_dequeue [2024-11-14 04:57:56,880 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_dequeue [2024-11-14 04:57:56,880 INFO L130 BoogieDeclarations]: Found specification of procedure pch_vbus_gpio_init [2024-11-14 04:57:56,880 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_vbus_gpio_init [2024-11-14 04:57:56,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2024-11-14 04:57:56,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2024-11-14 04:57:56,880 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_disable_interrupts [2024-11-14 04:57:56,880 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_disable_interrupts [2024-11-14 04:57:56,881 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_wakeup [2024-11-14 04:57:56,881 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_wakeup [2024-11-14 04:57:56,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_pch_udc_dev [2024-11-14 04:57:56,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_pch_udc_dev [2024-11-14 04:57:56,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2024-11-14 04:57:56,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2024-11-14 04:57:56,881 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_to_desc [2024-11-14 04:57:56,881 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_to_desc [2024-11-14 04:57:56,881 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_svc_control_out [2024-11-14 04:57:56,881 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_svc_control_out [2024-11-14 04:57:56,881 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_dev_isr [2024-11-14 04:57:56,881 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_dev_isr [2024-11-14 04:57:56,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 04:57:56,885 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_set_stall [2024-11-14 04:57:56,885 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_set_stall [2024-11-14 04:57:56,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2024-11-14 04:57:56,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2024-11-14 04:57:56,886 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_init [2024-11-14 04:57:56,886 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_init [2024-11-14 04:57:56,886 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2024-11-14 04:57:56,886 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2024-11-14 04:57:56,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2024-11-14 04:57:56,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2024-11-14 04:57:56,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:57:56,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-14 04:57:56,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-14 04:57:56,886 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-14 04:57:56,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-14 04:57:56,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 04:57:56,886 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-14 04:57:56,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-14 04:57:56,886 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_enable_ep_interrupts [2024-11-14 04:57:56,886 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_enable_ep_interrupts [2024-11-14 04:57:56,886 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-14 04:57:56,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-14 04:57:56,887 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_ep_enable [2024-11-14 04:57:56,887 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_ep_enable [2024-11-14 04:57:56,887 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_remove [2024-11-14 04:57:56,887 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_remove [2024-11-14 04:57:56,887 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_release [2024-11-14 04:57:56,887 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_release [2024-11-14 04:57:56,887 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2024-11-14 04:57:56,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2024-11-14 04:57:56,887 INFO L130 BoogieDeclarations]: Found specification of procedure pch_vbus_gpio_work_fall [2024-11-14 04:57:56,887 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_vbus_gpio_work_fall [2024-11-14 04:57:56,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_pch_udc_dev [2024-11-14 04:57:56,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_pch_udc_dev [2024-11-14 04:57:56,887 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_set_maxpacket_limit [2024-11-14 04:57:56,887 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_set_maxpacket_limit [2024-11-14 04:57:56,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2024-11-14 04:57:56,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2024-11-14 04:57:56,887 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_set_bufsz [2024-11-14 04:57:56,887 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_set_bufsz [2024-11-14 04:57:56,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:57:56,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:57:56,887 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_enable_interrupts [2024-11-14 04:57:56,888 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_enable_interrupts [2024-11-14 04:57:56,888 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_bit_clr [2024-11-14 04:57:56,888 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_bit_clr [2024-11-14 04:57:56,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-14 04:57:56,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-14 04:57:56,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-14 04:57:56,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-14 04:57:56,888 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_bit_set [2024-11-14 04:57:56,888 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_bit_set [2024-11-14 04:57:56,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-14 04:57:56,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-14 04:57:56,888 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2024-11-14 04:57:56,893 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2024-11-14 04:57:56,893 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2024-11-14 04:57:56,893 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2024-11-14 04:57:56,893 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_csr_busy [2024-11-14 04:57:56,893 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_csr_busy [2024-11-14 04:57:56,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-11-14 04:57:56,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-11-14 04:57:56,893 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_stop [2024-11-14 04:57:56,894 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_stop [2024-11-14 04:57:56,894 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2024-11-14 04:57:56,894 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2024-11-14 04:57:56,894 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_writel [2024-11-14 04:57:56,894 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_writel [2024-11-14 04:57:56,894 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_isr [2024-11-14 04:57:56,894 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_isr [2024-11-14 04:57:56,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-14 04:57:56,894 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-14 04:57:56,894 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_readl [2024-11-14 04:57:56,895 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_readl [2024-11-14 04:57:56,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2024-11-14 04:57:56,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2024-11-14 04:57:56,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2024-11-14 04:57:56,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2024-11-14 04:57:56,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2024-11-14 04:57:56,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2024-11-14 04:57:56,895 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2024-11-14 04:57:56,895 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2024-11-14 04:57:56,895 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_set_rrdy [2024-11-14 04:57:56,895 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_set_rrdy [2024-11-14 04:57:56,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 04:57:56,895 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-14 04:57:56,895 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-14 04:57:56,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2024-11-14 04:57:56,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2024-11-14 04:57:56,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_117 [2024-11-14 04:57:56,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_117 [2024-11-14 04:57:56,895 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_ep_disable [2024-11-14 04:57:56,896 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_ep_disable [2024-11-14 04:57:56,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 04:57:56,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_10_2 [2024-11-14 04:57:56,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_10_2 [2024-11-14 04:57:56,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_139 [2024-11-14 04:57:56,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_139 [2024-11-14 04:57:56,896 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2024-11-14 04:57:56,896 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2024-11-14 04:57:56,896 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_set_maxpkt [2024-11-14 04:57:56,896 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_set_maxpkt [2024-11-14 04:57:56,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 04:57:56,896 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-14 04:57:56,896 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-14 04:57:56,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2024-11-14 04:57:56,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2024-11-14 04:57:56,896 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-14 04:57:56,896 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-14 04:57:56,896 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-14 04:57:56,896 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-14 04:57:56,896 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_fifo_flush [2024-11-14 04:57:56,897 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_fifo_flush [2024-11-14 04:57:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2024-11-14 04:57:56,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2024-11-14 04:57:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_set_dma [2024-11-14 04:57:56,897 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_set_dma [2024-11-14 04:57:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2024-11-14 04:57:56,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2024-11-14 04:57:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure pch_vbus_gpio_get_value [2024-11-14 04:57:56,897 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_vbus_gpio_get_value [2024-11-14 04:57:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-14 04:57:56,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-14 04:57:56,897 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2024-11-14 04:57:56,897 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2024-11-14 04:57:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-11-14 04:57:56,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-11-14 04:57:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-14 04:57:56,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-14 04:57:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_write_ep_interrupts [2024-11-14 04:57:56,898 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_write_ep_interrupts [2024-11-14 04:57:56,898 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-11-14 04:57:56,898 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-11-14 04:57:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_svc_intf_interrupt [2024-11-14 04:57:56,899 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_svc_intf_interrupt [2024-11-14 04:57:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure complete_req [2024-11-14 04:57:56,899 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_req [2024-11-14 04:57:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_writel [2024-11-14 04:57:56,899 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_writel [2024-11-14 04:57:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2024-11-14 04:57:56,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2024-11-14 04:57:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2024-11-14 04:57:56,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2024-11-14 04:57:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2024-11-14 04:57:56,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2024-11-14 04:57:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_read_csr [2024-11-14 04:57:56,899 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_read_csr [2024-11-14 04:57:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_bit_set [2024-11-14 04:57:56,899 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_bit_set [2024-11-14 04:57:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2024-11-14 04:57:56,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2024-11-14 04:57:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-14 04:57:56,899 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-14 04:57:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_set_ddptr [2024-11-14 04:57:56,900 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_set_ddptr [2024-11-14 04:57:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 04:57:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2024-11-14 04:57:56,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2024-11-14 04:57:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-14 04:57:56,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-14 04:57:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_clear_ep_control [2024-11-14 04:57:56,900 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_clear_ep_control [2024-11-14 04:57:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2024-11-14 04:57:56,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2024-11-14 04:57:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_97 [2024-11-14 04:57:56,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_97 [2024-11-14 04:57:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2024-11-14 04:57:56,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2024-11-14 04:57:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_start_next_txrequest [2024-11-14 04:57:56,900 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_start_next_txrequest [2024-11-14 04:57:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_96 [2024-11-14 04:57:56,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_96 [2024-11-14 04:57:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2024-11-14 04:57:56,900 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2024-11-14 04:57:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_probe [2024-11-14 04:57:56,901 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_probe [2024-11-14 04:57:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_read_ep_status [2024-11-14 04:57:56,901 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_read_ep_status [2024-11-14 04:57:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_write_csr [2024-11-14 04:57:56,901 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_write_csr [2024-11-14 04:57:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-14 04:57:56,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-14 04:57:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2024-11-14 04:57:56,901 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2024-11-14 04:57:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_complete_transfer [2024-11-14 04:57:56,901 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_complete_transfer [2024-11-14 04:57:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2024-11-14 04:57:56,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2024-11-14 04:57:56,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_0_5 [2024-11-14 04:57:56,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_0_5 [2024-11-14 04:57:56,906 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-11-14 04:57:56,907 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-11-14 04:57:56,907 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_bit_clr [2024-11-14 04:57:56,907 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_bit_clr [2024-11-14 04:57:56,907 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-14 04:57:56,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-14 04:57:56,907 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_set_disconnect [2024-11-14 04:57:56,907 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_set_disconnect [2024-11-14 04:57:56,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:57:56,907 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_svc_cfg_interrupt [2024-11-14 04:57:56,907 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_svc_cfg_interrupt [2024-11-14 04:57:56,907 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2024-11-14 04:57:56,907 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2024-11-14 04:57:56,907 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_get_frame [2024-11-14 04:57:56,907 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_get_frame [2024-11-14 04:57:58,297 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:57:58,302 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:57:59,096 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-14 04:58:11,852 INFO L? ?]: Removed 2715 outVars from TransFormulas that were not future-live. [2024-11-14 04:58:11,852 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:58:15,463 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:58:15,464 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-14 04:58:15,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:58:15 BoogieIcfgContainer [2024-11-14 04:58:15,465 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:58:15,468 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:58:15,468 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:58:15,474 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:58:15,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:57:49" (1/3) ... [2024-11-14 04:58:15,475 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@660c89e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:58:15, skipping insertion in model container [2024-11-14 04:58:15,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:57:55" (2/3) ... [2024-11-14 04:58:15,476 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@660c89e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:58:15, skipping insertion in model container [2024-11-14 04:58:15,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:58:15" (3/3) ... [2024-11-14 04:58:15,478 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i [2024-11-14 04:58:15,499 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:58:15,504 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i that has 171 procedures, 2169 locations, 1 initial locations, 3 loop locations, and 28 error locations. [2024-11-14 04:58:15,658 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:58:15,679 INFO L333 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, 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;@437d9d31, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:58:15,682 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-11-14 04:58:15,703 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) [2024-11-14 04:58:15,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-14 04:58:15,714 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:58:15,714 INFO L215 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] [2024-11-14 04:58:15,715 INFO L396 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)] === [2024-11-14 04:58:15,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:58:15,721 INFO L85 PathProgramCache]: Analyzing trace with hash -79576950, now seen corresponding path program 1 times [2024-11-14 04:58:15,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:58:15,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84842974] [2024-11-14 04:58:15,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:58:15,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:58:18,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:58:19,977 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 04:58:19,980 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:58:19,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84842974] [2024-11-14 04:58:19,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84842974] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:58:19,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:58:19,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:58:19,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320114737] [2024-11-14 04:58:19,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:58:19,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:58:19,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:58:20,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:58:20,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:58:20,033 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) [2024-11-14 04:58:22,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:24,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:31,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:58:31,140 INFO L93 Difference]: Finished difference Result 5761 states and 8493 transitions. [2024-11-14 04:58:31,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:58:31,144 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 [2024-11-14 04:58:31,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:58:31,201 INFO L225 Difference]: With dead ends: 5761 [2024-11-14 04:58:31,201 INFO L226 Difference]: Without dead ends: 3586 [2024-11-14 04:58:31,224 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:58:31,228 INFO L432 NwaCegarLoop]: 2848 mSDtfsCounter, 2012 mSDsluCounter, 5514 mSDsCounter, 0 mSdLazyCounter, 1053 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2012 SdHoareTripleChecker+Valid, 8362 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1053 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2024-11-14 04:58:31,229 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2012 Valid, 8362 Invalid, 1055 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1053 Invalid, 2 Unknown, 0 Unchecked, 10.5s Time] [2024-11-14 04:58:31,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3586 states. [2024-11-14 04:58:31,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3586 to 3415. [2024-11-14 04:58:31,632 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) [2024-11-14 04:58:31,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3415 states to 3415 states and 4821 transitions. [2024-11-14 04:58:31,697 INFO L78 Accepts]: Start accepts. Automaton has 3415 states and 4821 transitions. Word has length 47 [2024-11-14 04:58:31,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:58:31,699 INFO L471 AbstractCegarLoop]: Abstraction has 3415 states and 4821 transitions. [2024-11-14 04:58:31,700 INFO L472 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) [2024-11-14 04:58:31,700 INFO L276 IsEmpty]: Start isEmpty. Operand 3415 states and 4821 transitions. [2024-11-14 04:58:31,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-14 04:58:31,703 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:58:31,704 INFO L215 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] [2024-11-14 04:58:31,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:58:31,705 INFO L396 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)] === [2024-11-14 04:58:31,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:58:31,706 INFO L85 PathProgramCache]: Analyzing trace with hash 884964111, now seen corresponding path program 1 times [2024-11-14 04:58:31,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:58:31,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346691463] [2024-11-14 04:58:31,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:58:31,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:58:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:58:34,664 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 04:58:34,665 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:58:34,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346691463] [2024-11-14 04:58:34,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346691463] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:58:34,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:58:34,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:58:34,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486440795] [2024-11-14 04:58:34,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:58:34,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:58:34,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:58:34,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:58:34,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:58:34,670 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) [2024-11-14 04:58:36,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:38,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:43,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:58:43,673 INFO L93 Difference]: Finished difference Result 3415 states and 4821 transitions. [2024-11-14 04:58:43,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:58:43,674 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 [2024-11-14 04:58:43,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:58:43,709 INFO L225 Difference]: With dead ends: 3415 [2024-11-14 04:58:43,709 INFO L226 Difference]: Without dead ends: 3413 [2024-11-14 04:58:43,713 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:58:43,715 INFO L432 NwaCegarLoop]: 2667 mSDtfsCounter, 2989 mSDsluCounter, 2667 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2989 SdHoareTripleChecker+Valid, 5334 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2024-11-14 04:58:43,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2989 Valid, 5334 Invalid, 685 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 683 Invalid, 2 Unknown, 0 Unchecked, 8.7s Time] [2024-11-14 04:58:43,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3413 states. [2024-11-14 04:58:43,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3413 to 3413. [2024-11-14 04:58:44,002 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) [2024-11-14 04:58:44,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3413 states to 3413 states and 4819 transitions. [2024-11-14 04:58:44,039 INFO L78 Accepts]: Start accepts. Automaton has 3413 states and 4819 transitions. Word has length 52 [2024-11-14 04:58:44,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:58:44,040 INFO L471 AbstractCegarLoop]: Abstraction has 3413 states and 4819 transitions. [2024-11-14 04:58:44,041 INFO L472 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) [2024-11-14 04:58:44,041 INFO L276 IsEmpty]: Start isEmpty. Operand 3413 states and 4819 transitions. [2024-11-14 04:58:44,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-14 04:58:44,045 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:58:44,046 INFO L215 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] [2024-11-14 04:58:44,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 04:58:44,046 INFO L396 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)] === [2024-11-14 04:58:44,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:58:44,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1963340144, now seen corresponding path program 1 times [2024-11-14 04:58:44,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:58:44,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422904331] [2024-11-14 04:58:44,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:58:44,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:58:46,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:58:47,351 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 04:58:47,351 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:58:47,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422904331] [2024-11-14 04:58:47,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422904331] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:58:47,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:58:47,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:58:47,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351047688] [2024-11-14 04:58:47,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:58:47,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:58:47,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:58:47,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:58:47,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:58:47,353 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) [2024-11-14 04:58:49,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:51,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:58:56,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:58:56,017 INFO L93 Difference]: Finished difference Result 3413 states and 4819 transitions. [2024-11-14 04:58:56,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:58:56,018 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 [2024-11-14 04:58:56,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:58:56,051 INFO L225 Difference]: With dead ends: 3413 [2024-11-14 04:58:56,051 INFO L226 Difference]: Without dead ends: 3411 [2024-11-14 04:58:56,054 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:58:56,055 INFO L432 NwaCegarLoop]: 2665 mSDtfsCounter, 2986 mSDsluCounter, 2665 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2986 SdHoareTripleChecker+Valid, 5330 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2024-11-14 04:58:56,056 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2986 Valid, 5330 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 683 Invalid, 2 Unknown, 0 Unchecked, 8.4s Time] [2024-11-14 04:58:56,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3411 states. [2024-11-14 04:58:56,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3411 to 3411. [2024-11-14 04:58:56,313 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) [2024-11-14 04:58:56,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3411 states to 3411 states and 4817 transitions. [2024-11-14 04:58:56,342 INFO L78 Accepts]: Start accepts. Automaton has 3411 states and 4817 transitions. Word has length 57 [2024-11-14 04:58:56,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:58:56,345 INFO L471 AbstractCegarLoop]: Abstraction has 3411 states and 4817 transitions. [2024-11-14 04:58:56,346 INFO L472 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) [2024-11-14 04:58:56,346 INFO L276 IsEmpty]: Start isEmpty. Operand 3411 states and 4817 transitions. [2024-11-14 04:58:56,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-14 04:58:56,354 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:58:56,355 INFO L215 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] [2024-11-14 04:58:56,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 04:58:56,355 INFO L396 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)] === [2024-11-14 04:58:56,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:58:56,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1037325333, now seen corresponding path program 1 times [2024-11-14 04:58:56,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:58:56,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797968633] [2024-11-14 04:58:56,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:58:56,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:58:58,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:58:58,698 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 04:58:58,698 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:58:58,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797968633] [2024-11-14 04:58:58,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797968633] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:58:58,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:58:58,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:58:58,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591479279] [2024-11-14 04:58:58,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:58:58,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:58:58,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:58:58,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:58:58,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:58:58,701 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) [2024-11-14 04:59:00,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:59:02,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:59:06,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:59:06,821 INFO L93 Difference]: Finished difference Result 3411 states and 4817 transitions. [2024-11-14 04:59:06,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:59:06,823 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 [2024-11-14 04:59:06,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:59:06,851 INFO L225 Difference]: With dead ends: 3411 [2024-11-14 04:59:06,851 INFO L226 Difference]: Without dead ends: 3409 [2024-11-14 04:59:06,855 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:59:06,856 INFO L432 NwaCegarLoop]: 2663 mSDtfsCounter, 2983 mSDsluCounter, 2663 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2983 SdHoareTripleChecker+Valid, 5326 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2024-11-14 04:59:06,856 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2983 Valid, 5326 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 683 Invalid, 2 Unknown, 0 Unchecked, 7.9s Time] [2024-11-14 04:59:06,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3409 states. [2024-11-14 04:59:07,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3409 to 3409. [2024-11-14 04:59:07,122 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) [2024-11-14 04:59:07,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3409 states to 3409 states and 4815 transitions. [2024-11-14 04:59:07,155 INFO L78 Accepts]: Start accepts. Automaton has 3409 states and 4815 transitions. Word has length 62 [2024-11-14 04:59:07,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:59:07,155 INFO L471 AbstractCegarLoop]: Abstraction has 3409 states and 4815 transitions. [2024-11-14 04:59:07,156 INFO L472 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) [2024-11-14 04:59:07,156 INFO L276 IsEmpty]: Start isEmpty. Operand 3409 states and 4815 transitions. [2024-11-14 04:59:07,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-14 04:59:07,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:59:07,158 INFO L215 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] [2024-11-14 04:59:07,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 04:59:07,158 INFO L396 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)] === [2024-11-14 04:59:07,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:59:07,158 INFO L85 PathProgramCache]: Analyzing trace with hash 98608060, now seen corresponding path program 1 times [2024-11-14 04:59:07,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:59:07,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228225573] [2024-11-14 04:59:07,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:59:07,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:59:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:59:09,189 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 04:59:09,191 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:59:09,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228225573] [2024-11-14 04:59:09,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228225573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:59:09,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:59:09,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:59:09,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466915500] [2024-11-14 04:59:09,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:59:09,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:59:09,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:59:09,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:59:09,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:59:09,195 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) [2024-11-14 04:59:11,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:59:13,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:59:17,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:59:17,304 INFO L93 Difference]: Finished difference Result 3409 states and 4815 transitions. [2024-11-14 04:59:17,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:59:17,305 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 [2024-11-14 04:59:17,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:59:17,332 INFO L225 Difference]: With dead ends: 3409 [2024-11-14 04:59:17,332 INFO L226 Difference]: Without dead ends: 3407 [2024-11-14 04:59:17,336 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:59:17,337 INFO L432 NwaCegarLoop]: 2661 mSDtfsCounter, 2980 mSDsluCounter, 2661 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2980 SdHoareTripleChecker+Valid, 5322 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2024-11-14 04:59:17,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2980 Valid, 5322 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 683 Invalid, 2 Unknown, 0 Unchecked, 7.9s Time] [2024-11-14 04:59:17,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3407 states. [2024-11-14 04:59:17,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3407 to 3407. [2024-11-14 04:59:17,669 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) [2024-11-14 04:59:17,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3407 states to 3407 states and 4813 transitions. [2024-11-14 04:59:17,702 INFO L78 Accepts]: Start accepts. Automaton has 3407 states and 4813 transitions. Word has length 67 [2024-11-14 04:59:17,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:59:17,703 INFO L471 AbstractCegarLoop]: Abstraction has 3407 states and 4813 transitions. [2024-11-14 04:59:17,703 INFO L472 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) [2024-11-14 04:59:17,703 INFO L276 IsEmpty]: Start isEmpty. Operand 3407 states and 4813 transitions. [2024-11-14 04:59:17,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-14 04:59:17,706 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:59:17,706 INFO L215 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] [2024-11-14 04:59:17,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 04:59:17,707 INFO L396 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)] === [2024-11-14 04:59:17,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:59:17,708 INFO L85 PathProgramCache]: Analyzing trace with hash 693685838, now seen corresponding path program 1 times [2024-11-14 04:59:17,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:59:17,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756942319] [2024-11-14 04:59:17,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:59:17,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:59:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:59:19,562 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 04:59:19,562 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:59:19,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756942319] [2024-11-14 04:59:19,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756942319] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:59:19,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:59:19,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:59:19,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793336402] [2024-11-14 04:59:19,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:59:19,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:59:19,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:59:19,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:59:19,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:59:19,564 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) [2024-11-14 04:59:21,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:59:23,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:59:27,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:59:27,377 INFO L93 Difference]: Finished difference Result 3407 states and 4813 transitions. [2024-11-14 04:59:27,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:59:27,379 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 [2024-11-14 04:59:27,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:59:27,398 INFO L225 Difference]: With dead ends: 3407 [2024-11-14 04:59:27,399 INFO L226 Difference]: Without dead ends: 3405 [2024-11-14 04:59:27,401 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:59:27,401 INFO L432 NwaCegarLoop]: 2659 mSDtfsCounter, 2977 mSDsluCounter, 2659 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2977 SdHoareTripleChecker+Valid, 5318 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2024-11-14 04:59:27,402 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2977 Valid, 5318 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 683 Invalid, 2 Unknown, 0 Unchecked, 7.5s Time] [2024-11-14 04:59:27,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3405 states. [2024-11-14 04:59:27,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3405 to 3405. [2024-11-14 04:59:27,880 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) [2024-11-14 04:59:27,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3405 states to 3405 states and 4811 transitions. [2024-11-14 04:59:27,924 INFO L78 Accepts]: Start accepts. Automaton has 3405 states and 4811 transitions. Word has length 72 [2024-11-14 04:59:27,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:59:27,925 INFO L471 AbstractCegarLoop]: Abstraction has 3405 states and 4811 transitions. [2024-11-14 04:59:27,926 INFO L472 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) [2024-11-14 04:59:27,926 INFO L276 IsEmpty]: Start isEmpty. Operand 3405 states and 4811 transitions. [2024-11-14 04:59:27,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-14 04:59:27,932 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:59:27,933 INFO L215 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] [2024-11-14 04:59:27,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-14 04:59:27,933 INFO L396 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)] === [2024-11-14 04:59:27,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:59:27,934 INFO L85 PathProgramCache]: Analyzing trace with hash 16194411, now seen corresponding path program 1 times [2024-11-14 04:59:27,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:59:27,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928484759] [2024-11-14 04:59:27,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:59:27,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:59:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:59:29,845 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 04:59:29,846 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:59:29,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928484759] [2024-11-14 04:59:29,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928484759] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:59:29,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:59:29,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:59:29,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201057515] [2024-11-14 04:59:29,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:59:29,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:59:29,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:59:29,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:59:29,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:59:29,850 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) [2024-11-14 04:59:31,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:59:33,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:59:38,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:59:38,135 INFO L93 Difference]: Finished difference Result 3405 states and 4811 transitions. [2024-11-14 04:59:38,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:59:38,136 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 [2024-11-14 04:59:38,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:59:38,154 INFO L225 Difference]: With dead ends: 3405 [2024-11-14 04:59:38,154 INFO L226 Difference]: Without dead ends: 3403 [2024-11-14 04:59:38,156 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:59:38,157 INFO L432 NwaCegarLoop]: 2657 mSDtfsCounter, 2974 mSDsluCounter, 2657 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2974 SdHoareTripleChecker+Valid, 5314 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:59:38,157 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2974 Valid, 5314 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 683 Invalid, 2 Unknown, 0 Unchecked, 8.0s Time] [2024-11-14 04:59:38,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3403 states. [2024-11-14 04:59:38,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3403 to 3403. [2024-11-14 04:59:38,536 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) [2024-11-14 04:59:38,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3403 states to 3403 states and 4809 transitions. [2024-11-14 04:59:38,559 INFO L78 Accepts]: Start accepts. Automaton has 3403 states and 4809 transitions. Word has length 77 [2024-11-14 04:59:38,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:59:38,560 INFO L471 AbstractCegarLoop]: Abstraction has 3403 states and 4809 transitions. [2024-11-14 04:59:38,560 INFO L472 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) [2024-11-14 04:59:38,560 INFO L276 IsEmpty]: Start isEmpty. Operand 3403 states and 4809 transitions. [2024-11-14 04:59:38,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-14 04:59:38,562 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:59:38,562 INFO L215 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] [2024-11-14 04:59:38,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-14 04:59:38,563 INFO L396 AbstractCegarLoop]: === Iteration 8 === 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)] === [2024-11-14 04:59:38,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:59:38,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1366582069, now seen corresponding path program 1 times [2024-11-14 04:59:38,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:59:38,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203475909] [2024-11-14 04:59:38,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:59:38,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:59:40,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:59:40,499 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-14 04:59:40,499 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:59:40,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203475909] [2024-11-14 04:59:40,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203475909] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:59:40,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:59:40,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:59:40,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343520672] [2024-11-14 04:59:40,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:59:40,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:59:40,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:59:40,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:59:40,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:59:40,501 INFO L87 Difference]: Start difference. First operand 3403 states and 4809 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) [2024-11-14 04:59:42,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:59:44,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:59:44,977 INFO L93 Difference]: Finished difference Result 6782 states and 9589 transitions. [2024-11-14 04:59:44,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:59:44,978 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 [2024-11-14 04:59:44,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:59:45,005 INFO L225 Difference]: With dead ends: 6782 [2024-11-14 04:59:45,005 INFO L226 Difference]: Without dead ends: 3397 [2024-11-14 04:59:45,024 INFO L431 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 [2024-11-14 04:59:45,025 INFO L432 NwaCegarLoop]: 2653 mSDtfsCounter, 2985 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2985 SdHoareTripleChecker+Valid, 2653 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:59:45,025 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2985 Valid, 2653 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 341 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-14 04:59:45,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3397 states. [2024-11-14 04:59:45,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3397 to 3397. [2024-11-14 04:59:45,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3397 states, 1938 states have (on average 1.2817337461300309) internal successors, (2484), 2073 states have internal predecessors, (2484), 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) [2024-11-14 04:59:45,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3397 states to 3397 states and 4800 transitions. [2024-11-14 04:59:45,453 INFO L78 Accepts]: Start accepts. Automaton has 3397 states and 4800 transitions. Word has length 86 [2024-11-14 04:59:45,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:59:45,454 INFO L471 AbstractCegarLoop]: Abstraction has 3397 states and 4800 transitions. [2024-11-14 04:59:45,454 INFO L472 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) [2024-11-14 04:59:45,454 INFO L276 IsEmpty]: Start isEmpty. Operand 3397 states and 4800 transitions. [2024-11-14 04:59:45,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-14 04:59:45,456 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:59:45,456 INFO L215 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] [2024-11-14 04:59:45,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-14 04:59:45,457 INFO L396 AbstractCegarLoop]: === Iteration 9 === 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)] === [2024-11-14 04:59:45,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:59:45,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1262933117, now seen corresponding path program 1 times [2024-11-14 04:59:45,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:59:45,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739004201] [2024-11-14 04:59:45,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:59:45,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:59:46,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:59:49,606 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-14 04:59:49,606 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:59:49,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739004201] [2024-11-14 04:59:49,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739004201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:59:49,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:59:49,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 04:59:49,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007498394] [2024-11-14 04:59:49,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:59:49,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:59:49,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:59:49,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:59:49,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-14 04:59:49,609 INFO L87 Difference]: Start difference. First operand 3397 states and 4800 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) [2024-11-14 04:59:51,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:59:53,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:59:55,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:59:57,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:00:15,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:00:15,431 INFO L93 Difference]: Finished difference Result 4571 states and 6428 transitions. [2024-11-14 05:00:15,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 05:00:15,432 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 [2024-11-14 05:00:15,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:00:15,460 INFO L225 Difference]: With dead ends: 4571 [2024-11-14 05:00:15,460 INFO L226 Difference]: Without dead ends: 4569 [2024-11-14 05:00:15,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-14 05:00:15,464 INFO L432 NwaCegarLoop]: 3302 mSDtfsCounter, 2762 mSDsluCounter, 10190 mSDsCounter, 0 mSdLazyCounter, 3199 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2763 SdHoareTripleChecker+Valid, 13492 SdHoareTripleChecker+Invalid, 3204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3199 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:00:15,464 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2763 Valid, 13492 Invalid, 3204 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3199 Invalid, 4 Unknown, 0 Unchecked, 25.0s Time] [2024-11-14 05:00:15,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4569 states. [2024-11-14 05:00:15,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4569 to 4550. [2024-11-14 05:00:15,919 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) [2024-11-14 05:00:15,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4550 states to 4550 states and 6407 transitions. [2024-11-14 05:00:15,947 INFO L78 Accepts]: Start accepts. Automaton has 4550 states and 6407 transitions. Word has length 95 [2024-11-14 05:00:15,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:00:15,947 INFO L471 AbstractCegarLoop]: Abstraction has 4550 states and 6407 transitions. [2024-11-14 05:00:15,947 INFO L472 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) [2024-11-14 05:00:15,948 INFO L276 IsEmpty]: Start isEmpty. Operand 4550 states and 6407 transitions. [2024-11-14 05:00:15,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-14 05:00:15,954 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:00:15,954 INFO L215 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] [2024-11-14 05:00:15,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-14 05:00:15,955 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-14 05:00:15,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:00:15,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1510259294, now seen corresponding path program 1 times [2024-11-14 05:00:15,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:00:15,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465954990] [2024-11-14 05:00:15,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:00:15,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:00:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:00:17,790 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 05:00:17,790 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:00:17,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465954990] [2024-11-14 05:00:17,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465954990] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:00:17,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:00:17,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:00:17,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617529807] [2024-11-14 05:00:17,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:00:17,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:00:17,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:00:17,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:00:17,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:00:17,792 INFO L87 Difference]: Start difference. First operand 4550 states and 6407 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) [2024-11-14 05:00:19,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:00:21,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:00:25,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:00:25,666 INFO L93 Difference]: Finished difference Result 4550 states and 6407 transitions. [2024-11-14 05:00:25,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:00:25,667 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 [2024-11-14 05:00:25,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:00:25,697 INFO L225 Difference]: With dead ends: 4550 [2024-11-14 05:00:25,697 INFO L226 Difference]: Without dead ends: 4548 [2024-11-14 05:00:25,702 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:00:25,702 INFO L432 NwaCegarLoop]: 2650 mSDtfsCounter, 2966 mSDsluCounter, 2649 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2966 SdHoareTripleChecker+Valid, 5299 SdHoareTripleChecker+Invalid, 686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2024-11-14 05:00:25,703 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2966 Valid, 5299 Invalid, 686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 684 Invalid, 2 Unknown, 0 Unchecked, 7.5s Time] [2024-11-14 05:00:25,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4548 states. [2024-11-14 05:00:26,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4548 to 4548. [2024-11-14 05:00:26,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4548 states, 2587 states have (on average 1.2783146501739466) internal successors, (3307), 2769 states have internal predecessors, (3307), 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) [2024-11-14 05:00:26,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4548 states to 4548 states and 6405 transitions. [2024-11-14 05:00:26,211 INFO L78 Accepts]: Start accepts. Automaton has 4548 states and 6405 transitions. Word has length 82 [2024-11-14 05:00:26,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:00:26,212 INFO L471 AbstractCegarLoop]: Abstraction has 4548 states and 6405 transitions. [2024-11-14 05:00:26,212 INFO L472 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) [2024-11-14 05:00:26,212 INFO L276 IsEmpty]: Start isEmpty. Operand 4548 states and 6405 transitions. [2024-11-14 05:00:26,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-14 05:00:26,215 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:00:26,215 INFO L215 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] [2024-11-14 05:00:26,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-14 05:00:26,215 INFO L396 AbstractCegarLoop]: === Iteration 11 === 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)] === [2024-11-14 05:00:26,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:00:26,216 INFO L85 PathProgramCache]: Analyzing trace with hash 324956719, now seen corresponding path program 1 times [2024-11-14 05:00:26,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:00:26,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66039230] [2024-11-14 05:00:26,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:00:26,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:00:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:00:27,902 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-14 05:00:27,903 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:00:27,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66039230] [2024-11-14 05:00:27,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66039230] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:00:27,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:00:27,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:00:27,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811040079] [2024-11-14 05:00:27,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:00:27,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:00:27,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:00:27,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:00:27,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:00:27,905 INFO L87 Difference]: Start difference. First operand 4548 states and 6405 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) [2024-11-14 05:00:29,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:00:32,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:00:32,304 INFO L93 Difference]: Finished difference Result 9070 states and 12834 transitions. [2024-11-14 05:00:32,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:00:32,305 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 [2024-11-14 05:00:32,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:00:32,339 INFO L225 Difference]: With dead ends: 9070 [2024-11-14 05:00:32,339 INFO L226 Difference]: Without dead ends: 4540 [2024-11-14 05:00:32,364 INFO L431 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 [2024-11-14 05:00:32,365 INFO L432 NwaCegarLoop]: 2646 mSDtfsCounter, 2956 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2956 SdHoareTripleChecker+Valid, 2646 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:00:32,365 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2956 Valid, 2646 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 341 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2024-11-14 05:00:32,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4540 states. [2024-11-14 05:00:32,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4540 to 4540. [2024-11-14 05:00:32,853 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) [2024-11-14 05:00:32,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4540 states to 4540 states and 6392 transitions. [2024-11-14 05:00:32,880 INFO L78 Accepts]: Start accepts. Automaton has 4540 states and 6392 transitions. Word has length 98 [2024-11-14 05:00:32,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:00:32,881 INFO L471 AbstractCegarLoop]: Abstraction has 4540 states and 6392 transitions. [2024-11-14 05:00:32,881 INFO L472 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) [2024-11-14 05:00:32,881 INFO L276 IsEmpty]: Start isEmpty. Operand 4540 states and 6392 transitions. [2024-11-14 05:00:32,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-14 05:00:32,883 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:00:32,883 INFO L215 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] [2024-11-14 05:00:32,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-14 05:00:32,883 INFO L396 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)] === [2024-11-14 05:00:32,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:00:32,884 INFO L85 PathProgramCache]: Analyzing trace with hash -29488681, now seen corresponding path program 1 times [2024-11-14 05:00:32,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:00:32,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27344096] [2024-11-14 05:00:32,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:00:32,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:00:34,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:00:34,909 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-14 05:00:34,909 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:00:34,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27344096] [2024-11-14 05:00:34,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27344096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:00:34,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:00:34,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 05:00:34,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154567220] [2024-11-14 05:00:34,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:00:34,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:00:34,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:00:34,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:00:34,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:00:34,911 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) [2024-11-14 05:00:36,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:00:38,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:00:41,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:00:47,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:00:47,308 INFO L93 Difference]: Finished difference Result 5459 states and 7463 transitions. [2024-11-14 05:00:47,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:00:47,309 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 [2024-11-14 05:00:47,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:00:47,344 INFO L225 Difference]: With dead ends: 5459 [2024-11-14 05:00:47,344 INFO L226 Difference]: Without dead ends: 5457 [2024-11-14 05:00:47,349 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-14 05:00:47,350 INFO L432 NwaCegarLoop]: 2713 mSDtfsCounter, 1916 mSDsluCounter, 6786 mSDsCounter, 0 mSdLazyCounter, 1309 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1917 SdHoareTripleChecker+Valid, 9499 SdHoareTripleChecker+Invalid, 1313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1309 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2024-11-14 05:00:47,350 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1917 Valid, 9499 Invalid, 1313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1309 Invalid, 3 Unknown, 0 Unchecked, 11.9s Time] [2024-11-14 05:00:47,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5457 states. [2024-11-14 05:00:48,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5457 to 5418. [2024-11-14 05:00:48,125 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) [2024-11-14 05:00:48,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5418 states to 5418 states and 7436 transitions. [2024-11-14 05:00:48,156 INFO L78 Accepts]: Start accepts. Automaton has 5418 states and 7436 transitions. Word has length 94 [2024-11-14 05:00:48,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:00:48,157 INFO L471 AbstractCegarLoop]: Abstraction has 5418 states and 7436 transitions. [2024-11-14 05:00:48,157 INFO L472 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) [2024-11-14 05:00:48,157 INFO L276 IsEmpty]: Start isEmpty. Operand 5418 states and 7436 transitions. [2024-11-14 05:00:48,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-14 05:00:48,160 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:00:48,160 INFO L215 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] [2024-11-14 05:00:48,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-14 05:00:48,160 INFO L396 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)] === [2024-11-14 05:00:48,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:00:48,161 INFO L85 PathProgramCache]: Analyzing trace with hash 2132863795, now seen corresponding path program 1 times [2024-11-14 05:00:48,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:00:48,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46308729] [2024-11-14 05:00:48,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:00:48,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:00:49,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:00:50,148 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-14 05:00:50,148 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:00:50,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46308729] [2024-11-14 05:00:50,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46308729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:00:50,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:00:50,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 05:00:50,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597400663] [2024-11-14 05:00:50,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:00:50,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:00:50,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:00:50,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:00:50,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:00:50,149 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) [2024-11-14 05:00:52,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:00:54,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:00:56,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:01:01,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:01:01,685 INFO L93 Difference]: Finished difference Result 5524 states and 7538 transitions. [2024-11-14 05:01:01,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:01:01,686 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 [2024-11-14 05:01:01,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:01:01,719 INFO L225 Difference]: With dead ends: 5524 [2024-11-14 05:01:01,720 INFO L226 Difference]: Without dead ends: 5522 [2024-11-14 05:01:01,724 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-14 05:01:01,725 INFO L432 NwaCegarLoop]: 2676 mSDtfsCounter, 2905 mSDsluCounter, 5431 mSDsCounter, 0 mSdLazyCounter, 1077 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2906 SdHoareTripleChecker+Valid, 8107 SdHoareTripleChecker+Invalid, 1081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1077 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:01:01,726 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2906 Valid, 8107 Invalid, 1081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1077 Invalid, 3 Unknown, 0 Unchecked, 11.0s Time] [2024-11-14 05:01:01,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5522 states. [2024-11-14 05:01:02,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5522 to 5520. [2024-11-14 05:01:02,331 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) [2024-11-14 05:01:02,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5520 states to 5520 states and 7534 transitions. [2024-11-14 05:01:02,361 INFO L78 Accepts]: Start accepts. Automaton has 5520 states and 7534 transitions. Word has length 94 [2024-11-14 05:01:02,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:01:02,362 INFO L471 AbstractCegarLoop]: Abstraction has 5520 states and 7534 transitions. [2024-11-14 05:01:02,362 INFO L472 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) [2024-11-14 05:01:02,362 INFO L276 IsEmpty]: Start isEmpty. Operand 5520 states and 7534 transitions. [2024-11-14 05:01:02,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-14 05:01:02,364 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:01:02,364 INFO L215 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] [2024-11-14 05:01:02,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-14 05:01:02,364 INFO L396 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)] === [2024-11-14 05:01:02,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:01:02,365 INFO L85 PathProgramCache]: Analyzing trace with hash -339618079, now seen corresponding path program 1 times [2024-11-14 05:01:02,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:01:02,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584037178] [2024-11-14 05:01:02,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:01:02,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:01:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:01:04,041 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 05:01:04,042 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:01:04,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584037178] [2024-11-14 05:01:04,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584037178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:01:04,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:01:04,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:01:04,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745729052] [2024-11-14 05:01:04,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:01:04,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:01:04,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:01:04,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:01:04,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:01:04,044 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) [2024-11-14 05:01:06,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:01:08,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:01:12,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:01:12,082 INFO L93 Difference]: Finished difference Result 5520 states and 7534 transitions. [2024-11-14 05:01:12,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:01:12,083 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 [2024-11-14 05:01:12,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:01:12,115 INFO L225 Difference]: With dead ends: 5520 [2024-11-14 05:01:12,115 INFO L226 Difference]: Without dead ends: 5518 [2024-11-14 05:01:12,120 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:01:12,121 INFO L432 NwaCegarLoop]: 2643 mSDtfsCounter, 2957 mSDsluCounter, 2643 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2957 SdHoareTripleChecker+Valid, 5286 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2024-11-14 05:01:12,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2957 Valid, 5286 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 683 Invalid, 2 Unknown, 0 Unchecked, 7.5s Time] [2024-11-14 05:01:12,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5518 states. [2024-11-14 05:01:12,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5518 to 5518. [2024-11-14 05:01:12,866 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) [2024-11-14 05:01:12,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5518 states to 5518 states and 7531 transitions. [2024-11-14 05:01:12,899 INFO L78 Accepts]: Start accepts. Automaton has 5518 states and 7531 transitions. Word has length 84 [2024-11-14 05:01:12,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:01:12,902 INFO L471 AbstractCegarLoop]: Abstraction has 5518 states and 7531 transitions. [2024-11-14 05:01:12,902 INFO L472 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) [2024-11-14 05:01:12,902 INFO L276 IsEmpty]: Start isEmpty. Operand 5518 states and 7531 transitions. [2024-11-14 05:01:12,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-14 05:01:12,905 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:01:12,905 INFO L215 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] [2024-11-14 05:01:12,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-14 05:01:12,905 INFO L396 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)] === [2024-11-14 05:01:12,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:01:12,906 INFO L85 PathProgramCache]: Analyzing trace with hash 753720847, now seen corresponding path program 1 times [2024-11-14 05:01:12,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:01:12,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047875045] [2024-11-14 05:01:12,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:01:12,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:01:14,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:01:14,825 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-14 05:01:14,825 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:01:14,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047875045] [2024-11-14 05:01:14,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047875045] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:01:14,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [252037608] [2024-11-14 05:01:14,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:01:14,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:01:14,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:01:14,829 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:01:14,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 05:01:17,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:01:17,307 INFO L255 TraceCheckSpWp]: Trace formula consists of 2738 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 05:01:17,313 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:01:17,574 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-14 05:01:17,574 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:01:17,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [252037608] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:01:17,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 05:01:17,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-14 05:01:17,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657454610] [2024-11-14 05:01:17,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:01:17,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:01:17,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:01:17,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:01:17,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-14 05:01:17,576 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) [2024-11-14 05:01:19,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:01:22,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:01:22,122 INFO L93 Difference]: Finished difference Result 11012 states and 15033 transitions. [2024-11-14 05:01:22,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:01:22,123 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 [2024-11-14 05:01:22,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:01:22,153 INFO L225 Difference]: With dead ends: 11012 [2024-11-14 05:01:22,153 INFO L226 Difference]: Without dead ends: 5512 [2024-11-14 05:01:22,179 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-14 05:01:22,180 INFO L432 NwaCegarLoop]: 2639 mSDtfsCounter, 2962 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2962 SdHoareTripleChecker+Valid, 2639 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:01:22,180 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2962 Valid, 2639 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 341 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2024-11-14 05:01:22,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5512 states. [2024-11-14 05:01:23,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5512 to 5512. [2024-11-14 05:01:23,061 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) [2024-11-14 05:01:23,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5512 states to 5512 states and 7522 transitions. [2024-11-14 05:01:23,090 INFO L78 Accepts]: Start accepts. Automaton has 5512 states and 7522 transitions. Word has length 94 [2024-11-14 05:01:23,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:01:23,091 INFO L471 AbstractCegarLoop]: Abstraction has 5512 states and 7522 transitions. [2024-11-14 05:01:23,091 INFO L472 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) [2024-11-14 05:01:23,091 INFO L276 IsEmpty]: Start isEmpty. Operand 5512 states and 7522 transitions. [2024-11-14 05:01:23,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-14 05:01:23,093 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:01:23,093 INFO L215 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] [2024-11-14 05:01:23,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 05:01:23,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-14 05:01:23,294 INFO L396 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)] === [2024-11-14 05:01:23,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:01:23,295 INFO L85 PathProgramCache]: Analyzing trace with hash 842907091, now seen corresponding path program 1 times [2024-11-14 05:01:23,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:01:23,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095271771] [2024-11-14 05:01:23,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:01:23,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:01:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:01:24,786 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 05:01:24,786 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:01:24,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095271771] [2024-11-14 05:01:24,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095271771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:01:24,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:01:24,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:01:24,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398421397] [2024-11-14 05:01:24,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:01:24,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:01:24,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:01:24,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:01:24,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:01:24,788 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) [2024-11-14 05:01:26,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:01:28,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:01:32,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:01:32,607 INFO L93 Difference]: Finished difference Result 5512 states and 7522 transitions. [2024-11-14 05:01:32,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:01:32,608 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 [2024-11-14 05:01:32,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:01:32,639 INFO L225 Difference]: With dead ends: 5512 [2024-11-14 05:01:32,639 INFO L226 Difference]: Without dead ends: 5510 [2024-11-14 05:01:32,643 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:01:32,644 INFO L432 NwaCegarLoop]: 2636 mSDtfsCounter, 2951 mSDsluCounter, 2636 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2951 SdHoareTripleChecker+Valid, 5272 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2024-11-14 05:01:32,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2951 Valid, 5272 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 683 Invalid, 2 Unknown, 0 Unchecked, 7.3s Time] [2024-11-14 05:01:32,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5510 states. [2024-11-14 05:01:33,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5510 to 5510. [2024-11-14 05:01:33,406 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) [2024-11-14 05:01:33,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5510 states to 5510 states and 7519 transitions. [2024-11-14 05:01:33,434 INFO L78 Accepts]: Start accepts. Automaton has 5510 states and 7519 transitions. Word has length 89 [2024-11-14 05:01:33,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:01:33,436 INFO L471 AbstractCegarLoop]: Abstraction has 5510 states and 7519 transitions. [2024-11-14 05:01:33,436 INFO L472 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) [2024-11-14 05:01:33,436 INFO L276 IsEmpty]: Start isEmpty. Operand 5510 states and 7519 transitions. [2024-11-14 05:01:33,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-14 05:01:33,438 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:01:33,438 INFO L215 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] [2024-11-14 05:01:33,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-14 05:01:33,438 INFO L396 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)] === [2024-11-14 05:01:33,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:01:33,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1170392822, now seen corresponding path program 1 times [2024-11-14 05:01:33,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:01:33,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959292895] [2024-11-14 05:01:33,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:01:33,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:01:34,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:01:34,715 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 05:01:34,715 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:01:34,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959292895] [2024-11-14 05:01:34,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959292895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:01:34,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:01:34,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:01:34,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032542516] [2024-11-14 05:01:34,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:01:34,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:01:34,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:01:34,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:01:34,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:01:34,718 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) [2024-11-14 05:01:36,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:01:38,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:01:42,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:01:42,841 INFO L93 Difference]: Finished difference Result 5510 states and 7519 transitions. [2024-11-14 05:01:42,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:01:42,842 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 [2024-11-14 05:01:42,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:01:42,874 INFO L225 Difference]: With dead ends: 5510 [2024-11-14 05:01:42,874 INFO L226 Difference]: Without dead ends: 5508 [2024-11-14 05:01:42,879 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:01:42,879 INFO L432 NwaCegarLoop]: 2634 mSDtfsCounter, 2948 mSDsluCounter, 2634 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2948 SdHoareTripleChecker+Valid, 5268 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2024-11-14 05:01:42,880 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2948 Valid, 5268 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 683 Invalid, 2 Unknown, 0 Unchecked, 7.5s Time] [2024-11-14 05:01:42,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5508 states. [2024-11-14 05:01:43,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5508 to 5508. [2024-11-14 05:01:43,476 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) [2024-11-14 05:01:43,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5508 states to 5508 states and 7516 transitions. [2024-11-14 05:01:43,497 INFO L78 Accepts]: Start accepts. Automaton has 5508 states and 7516 transitions. Word has length 94 [2024-11-14 05:01:43,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:01:43,497 INFO L471 AbstractCegarLoop]: Abstraction has 5508 states and 7516 transitions. [2024-11-14 05:01:43,497 INFO L472 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) [2024-11-14 05:01:43,497 INFO L276 IsEmpty]: Start isEmpty. Operand 5508 states and 7516 transitions. [2024-11-14 05:01:43,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-14 05:01:43,499 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:01:43,499 INFO L215 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] [2024-11-14 05:01:43,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-14 05:01:43,499 INFO L396 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)] === [2024-11-14 05:01:43,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:01:43,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1141193444, now seen corresponding path program 1 times [2024-11-14 05:01:43,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:01:43,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495113152] [2024-11-14 05:01:43,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:01:43,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:01:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:01:44,634 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 05:01:44,634 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:01:44,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495113152] [2024-11-14 05:01:44,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495113152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:01:44,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:01:44,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:01:44,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534938739] [2024-11-14 05:01:44,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:01:44,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:01:44,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:01:44,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:01:44,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:01:44,636 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) [2024-11-14 05:01:46,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:01:48,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:01:52,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:01:52,678 INFO L93 Difference]: Finished difference Result 5508 states and 7516 transitions. [2024-11-14 05:01:52,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:01:52,679 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 [2024-11-14 05:01:52,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:01:52,705 INFO L225 Difference]: With dead ends: 5508 [2024-11-14 05:01:52,705 INFO L226 Difference]: Without dead ends: 5506 [2024-11-14 05:01:52,708 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:01:52,709 INFO L432 NwaCegarLoop]: 2632 mSDtfsCounter, 2945 mSDsluCounter, 2632 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2945 SdHoareTripleChecker+Valid, 5264 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2024-11-14 05:01:52,709 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2945 Valid, 5264 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 683 Invalid, 2 Unknown, 0 Unchecked, 7.4s Time] [2024-11-14 05:01:52,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5506 states. [2024-11-14 05:01:53,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5506 to 5506. [2024-11-14 05:01:53,451 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) [2024-11-14 05:01:53,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5506 states to 5506 states and 7513 transitions. [2024-11-14 05:01:53,478 INFO L78 Accepts]: Start accepts. Automaton has 5506 states and 7513 transitions. Word has length 99 [2024-11-14 05:01:53,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:01:53,479 INFO L471 AbstractCegarLoop]: Abstraction has 5506 states and 7513 transitions. [2024-11-14 05:01:53,479 INFO L472 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) [2024-11-14 05:01:53,479 INFO L276 IsEmpty]: Start isEmpty. Operand 5506 states and 7513 transitions. [2024-11-14 05:01:53,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-14 05:01:53,481 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:01:53,481 INFO L215 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] [2024-11-14 05:01:53,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-14 05:01:53,482 INFO L396 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)] === [2024-11-14 05:01:53,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:01:53,482 INFO L85 PathProgramCache]: Analyzing trace with hash -144764134, now seen corresponding path program 1 times [2024-11-14 05:01:53,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:01:53,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959600991] [2024-11-14 05:01:53,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:01:53,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:01:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:01:54,671 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 05:01:54,672 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:01:54,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959600991] [2024-11-14 05:01:54,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959600991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:01:54,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:01:54,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:01:54,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706331321] [2024-11-14 05:01:54,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:01:54,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:01:54,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:01:54,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:01:54,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:01:54,673 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) [2024-11-14 05:01:56,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:01:58,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:02:02,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:02:02,313 INFO L93 Difference]: Finished difference Result 5506 states and 7513 transitions. [2024-11-14 05:02:02,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:02:02,314 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 [2024-11-14 05:02:02,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:02:02,332 INFO L225 Difference]: With dead ends: 5506 [2024-11-14 05:02:02,332 INFO L226 Difference]: Without dead ends: 5504 [2024-11-14 05:02:02,335 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:02:02,335 INFO L432 NwaCegarLoop]: 2630 mSDtfsCounter, 2942 mSDsluCounter, 2630 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2942 SdHoareTripleChecker+Valid, 5260 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:02:02,336 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2942 Valid, 5260 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 683 Invalid, 2 Unknown, 0 Unchecked, 7.0s Time] [2024-11-14 05:02:02,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5504 states. [2024-11-14 05:02:02,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5504 to 5504. [2024-11-14 05:02:02,889 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) [2024-11-14 05:02:02,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5504 states to 5504 states and 7510 transitions. [2024-11-14 05:02:02,907 INFO L78 Accepts]: Start accepts. Automaton has 5504 states and 7510 transitions. Word has length 104 [2024-11-14 05:02:02,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:02:02,908 INFO L471 AbstractCegarLoop]: Abstraction has 5504 states and 7510 transitions. [2024-11-14 05:02:02,908 INFO L472 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) [2024-11-14 05:02:02,908 INFO L276 IsEmpty]: Start isEmpty. Operand 5504 states and 7510 transitions. [2024-11-14 05:02:02,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-14 05:02:02,910 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:02:02,910 INFO L215 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] [2024-11-14 05:02:02,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-14 05:02:02,911 INFO L396 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)] === [2024-11-14 05:02:02,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:02:02,911 INFO L85 PathProgramCache]: Analyzing trace with hash -890664083, now seen corresponding path program 1 times [2024-11-14 05:02:02,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:02:02,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677240513] [2024-11-14 05:02:02,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:02:02,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:02:03,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:02:04,195 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-14 05:02:04,195 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:02:04,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677240513] [2024-11-14 05:02:04,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677240513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:02:04,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:02:04,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 05:02:04,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641778365] [2024-11-14 05:02:04,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:02:04,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:02:04,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:02:04,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:02:04,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:02:04,197 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) [2024-11-14 05:02:06,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:02:08,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:02:10,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:02:12,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:02:18,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:02:18,710 INFO L93 Difference]: Finished difference Result 5506 states and 7511 transitions. [2024-11-14 05:02:18,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:02:18,710 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 [2024-11-14 05:02:18,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:02:18,730 INFO L225 Difference]: With dead ends: 5506 [2024-11-14 05:02:18,730 INFO L226 Difference]: Without dead ends: 5504 [2024-11-14 05:02:18,732 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-14 05:02:18,733 INFO L432 NwaCegarLoop]: 2651 mSDtfsCounter, 102 mSDsluCounter, 7889 mSDsCounter, 0 mSdLazyCounter, 1400 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 10540 SdHoareTripleChecker+Invalid, 1404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1400 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2024-11-14 05:02:18,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 10540 Invalid, 1404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1400 Invalid, 4 Unknown, 0 Unchecked, 13.8s Time] [2024-11-14 05:02:18,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5504 states. [2024-11-14 05:02:19,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5504 to 5504. [2024-11-14 05:02:19,317 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) [2024-11-14 05:02:19,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5504 states to 5504 states and 7508 transitions. [2024-11-14 05:02:19,335 INFO L78 Accepts]: Start accepts. Automaton has 5504 states and 7508 transitions. Word has length 116 [2024-11-14 05:02:19,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:02:19,335 INFO L471 AbstractCegarLoop]: Abstraction has 5504 states and 7508 transitions. [2024-11-14 05:02:19,335 INFO L472 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) [2024-11-14 05:02:19,335 INFO L276 IsEmpty]: Start isEmpty. Operand 5504 states and 7508 transitions. [2024-11-14 05:02:19,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-14 05:02:19,338 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:02:19,338 INFO L215 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] [2024-11-14 05:02:19,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-14 05:02:19,338 INFO L396 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)] === [2024-11-14 05:02:19,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:02:19,338 INFO L85 PathProgramCache]: Analyzing trace with hash 881400232, now seen corresponding path program 1 times [2024-11-14 05:02:19,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:02:19,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664898421] [2024-11-14 05:02:19,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:02:19,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:02:20,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:02:20,654 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 05:02:20,654 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:02:20,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664898421] [2024-11-14 05:02:20,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664898421] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:02:20,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:02:20,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:02:20,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507301462] [2024-11-14 05:02:20,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:02:20,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:02:20,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:02:20,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:02:20,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:02:20,655 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) [2024-11-14 05:02:22,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:02:24,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:02:28,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:02:28,219 INFO L93 Difference]: Finished difference Result 5504 states and 7508 transitions. [2024-11-14 05:02:28,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:02:28,220 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 [2024-11-14 05:02:28,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:02:28,243 INFO L225 Difference]: With dead ends: 5504 [2024-11-14 05:02:28,243 INFO L226 Difference]: Without dead ends: 5502 [2024-11-14 05:02:28,246 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:02:28,247 INFO L432 NwaCegarLoop]: 2628 mSDtfsCounter, 2939 mSDsluCounter, 2628 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2939 SdHoareTripleChecker+Valid, 5256 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2024-11-14 05:02:28,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2939 Valid, 5256 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 683 Invalid, 2 Unknown, 0 Unchecked, 6.9s Time] [2024-11-14 05:02:28,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5502 states. [2024-11-14 05:02:29,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5502 to 5502. [2024-11-14 05:02:29,009 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) [2024-11-14 05:02:29,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5502 states to 5502 states and 7505 transitions. [2024-11-14 05:02:29,029 INFO L78 Accepts]: Start accepts. Automaton has 5502 states and 7505 transitions. Word has length 109 [2024-11-14 05:02:29,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:02:29,029 INFO L471 AbstractCegarLoop]: Abstraction has 5502 states and 7505 transitions. [2024-11-14 05:02:29,029 INFO L472 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) [2024-11-14 05:02:29,030 INFO L276 IsEmpty]: Start isEmpty. Operand 5502 states and 7505 transitions. [2024-11-14 05:02:29,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-14 05:02:29,032 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:02:29,032 INFO L215 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] [2024-11-14 05:02:29,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-14 05:02:29,032 INFO L396 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)] === [2024-11-14 05:02:29,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:02:29,032 INFO L85 PathProgramCache]: Analyzing trace with hash 592163849, now seen corresponding path program 1 times [2024-11-14 05:02:29,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:02:29,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229744306] [2024-11-14 05:02:29,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:02:29,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:02:30,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:02:30,402 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 05:02:30,402 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:02:30,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229744306] [2024-11-14 05:02:30,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229744306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:02:30,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:02:30,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:02:30,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006406136] [2024-11-14 05:02:30,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:02:30,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:02:30,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:02:30,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:02:30,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:02:30,404 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) [2024-11-14 05:02:32,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:02:34,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:02:38,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:02:38,021 INFO L93 Difference]: Finished difference Result 5502 states and 7505 transitions. [2024-11-14 05:02:38,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:02:38,022 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 [2024-11-14 05:02:38,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:02:38,041 INFO L225 Difference]: With dead ends: 5502 [2024-11-14 05:02:38,041 INFO L226 Difference]: Without dead ends: 5500 [2024-11-14 05:02:38,044 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:02:38,046 INFO L432 NwaCegarLoop]: 2626 mSDtfsCounter, 2936 mSDsluCounter, 2626 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2936 SdHoareTripleChecker+Valid, 5252 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:02:38,046 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2936 Valid, 5252 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 683 Invalid, 2 Unknown, 0 Unchecked, 7.0s Time] [2024-11-14 05:02:38,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5500 states. [2024-11-14 05:02:38,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5500 to 5500. [2024-11-14 05:02:38,610 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) [2024-11-14 05:02:38,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5500 states to 5500 states and 7502 transitions. [2024-11-14 05:02:38,634 INFO L78 Accepts]: Start accepts. Automaton has 5500 states and 7502 transitions. Word has length 114 [2024-11-14 05:02:38,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:02:38,634 INFO L471 AbstractCegarLoop]: Abstraction has 5500 states and 7502 transitions. [2024-11-14 05:02:38,634 INFO L472 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) [2024-11-14 05:02:38,634 INFO L276 IsEmpty]: Start isEmpty. Operand 5500 states and 7502 transitions. [2024-11-14 05:02:38,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-14 05:02:38,637 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:02:38,637 INFO L215 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] [2024-11-14 05:02:38,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-14 05:02:38,638 INFO L396 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)] === [2024-11-14 05:02:38,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:02:38,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1332592056, now seen corresponding path program 1 times [2024-11-14 05:02:38,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:02:38,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260639525] [2024-11-14 05:02:38,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:02:38,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:02:39,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:02:40,200 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-14 05:02:40,200 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:02:40,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260639525] [2024-11-14 05:02:40,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260639525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:02:40,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:02:40,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 05:02:40,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659510633] [2024-11-14 05:02:40,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:02:40,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:02:40,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:02:40,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:02:40,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:02:40,202 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) [2024-11-14 05:02:42,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:02:44,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:02:46,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:02:48,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:02:56,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:02:56,257 INFO L93 Difference]: Finished difference Result 5523 states and 7517 transitions. [2024-11-14 05:02:56,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:02:56,257 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 [2024-11-14 05:02:56,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:02:56,279 INFO L225 Difference]: With dead ends: 5523 [2024-11-14 05:02:56,279 INFO L226 Difference]: Without dead ends: 5521 [2024-11-14 05:02:56,283 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-14 05:02:56,283 INFO L432 NwaCegarLoop]: 2972 mSDtfsCounter, 1533 mSDsluCounter, 7616 mSDsCounter, 0 mSdLazyCounter, 1518 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1534 SdHoareTripleChecker+Valid, 10588 SdHoareTripleChecker+Invalid, 1522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1518 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:02:56,284 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1534 Valid, 10588 Invalid, 1522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1518 Invalid, 4 Unknown, 0 Unchecked, 15.2s Time] [2024-11-14 05:02:56,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5521 states. [2024-11-14 05:02:56,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5521 to 5500. [2024-11-14 05:02:56,879 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) [2024-11-14 05:02:56,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5500 states to 5500 states and 7499 transitions. [2024-11-14 05:02:56,897 INFO L78 Accepts]: Start accepts. Automaton has 5500 states and 7499 transitions. Word has length 131 [2024-11-14 05:02:56,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:02:56,898 INFO L471 AbstractCegarLoop]: Abstraction has 5500 states and 7499 transitions. [2024-11-14 05:02:56,898 INFO L472 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) [2024-11-14 05:02:56,898 INFO L276 IsEmpty]: Start isEmpty. Operand 5500 states and 7499 transitions. [2024-11-14 05:02:56,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-14 05:02:56,901 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:02:56,901 INFO L215 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] [2024-11-14 05:02:56,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-14 05:02:56,901 INFO L396 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)] === [2024-11-14 05:02:56,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:02:56,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1605739499, now seen corresponding path program 1 times [2024-11-14 05:02:56,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:02:56,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813141623] [2024-11-14 05:02:56,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:02:56,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:02:57,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:02:58,433 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 05:02:58,433 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:02:58,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813141623] [2024-11-14 05:02:58,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813141623] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:02:58,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:02:58,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:02:58,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782011109] [2024-11-14 05:02:58,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:02:58,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:02:58,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:02:58,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:02:58,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:02:58,435 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) [2024-11-14 05:03:00,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:03:02,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:03:07,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:03:07,068 INFO L93 Difference]: Finished difference Result 5500 states and 7499 transitions. [2024-11-14 05:03:07,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:03:07,069 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 [2024-11-14 05:03:07,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:03:07,088 INFO L225 Difference]: With dead ends: 5500 [2024-11-14 05:03:07,088 INFO L226 Difference]: Without dead ends: 5498 [2024-11-14 05:03:07,091 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:03:07,092 INFO L432 NwaCegarLoop]: 2624 mSDtfsCounter, 2933 mSDsluCounter, 2624 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2933 SdHoareTripleChecker+Valid, 5248 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2024-11-14 05:03:07,092 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2933 Valid, 5248 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 683 Invalid, 2 Unknown, 0 Unchecked, 7.8s Time] [2024-11-14 05:03:07,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5498 states. [2024-11-14 05:03:07,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5498 to 5498. [2024-11-14 05:03:07,743 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) [2024-11-14 05:03:07,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5498 states to 5498 states and 7496 transitions. [2024-11-14 05:03:07,762 INFO L78 Accepts]: Start accepts. Automaton has 5498 states and 7496 transitions. Word has length 119 [2024-11-14 05:03:07,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:03:07,763 INFO L471 AbstractCegarLoop]: Abstraction has 5498 states and 7496 transitions. [2024-11-14 05:03:07,763 INFO L472 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) [2024-11-14 05:03:07,763 INFO L276 IsEmpty]: Start isEmpty. Operand 5498 states and 7496 transitions. [2024-11-14 05:03:07,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-14 05:03:07,765 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:03:07,765 INFO L215 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] [2024-11-14 05:03:07,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-14 05:03:07,766 INFO L396 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)] === [2024-11-14 05:03:07,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:03:07,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1180102952, now seen corresponding path program 1 times [2024-11-14 05:03:07,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:03:07,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892116241] [2024-11-14 05:03:07,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:03:07,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:03:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:03:09,047 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 05:03:09,047 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:03:09,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892116241] [2024-11-14 05:03:09,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892116241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:03:09,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:03:09,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:03:09,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654810395] [2024-11-14 05:03:09,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:03:09,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:03:09,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:03:09,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:03:09,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:03:09,049 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) [2024-11-14 05:03:11,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:03:13,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:03:17,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:03:17,188 INFO L93 Difference]: Finished difference Result 5498 states and 7496 transitions. [2024-11-14 05:03:17,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:03:17,189 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 [2024-11-14 05:03:17,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:03:17,209 INFO L225 Difference]: With dead ends: 5498 [2024-11-14 05:03:17,209 INFO L226 Difference]: Without dead ends: 5496 [2024-11-14 05:03:17,212 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:03:17,212 INFO L432 NwaCegarLoop]: 2622 mSDtfsCounter, 2930 mSDsluCounter, 2622 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2930 SdHoareTripleChecker+Valid, 5244 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2024-11-14 05:03:17,212 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2930 Valid, 5244 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 683 Invalid, 2 Unknown, 0 Unchecked, 7.3s Time] [2024-11-14 05:03:17,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5496 states. [2024-11-14 05:03:17,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5496 to 5496. [2024-11-14 05:03:17,976 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) [2024-11-14 05:03:17,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5496 states to 5496 states and 7493 transitions. [2024-11-14 05:03:17,995 INFO L78 Accepts]: Start accepts. Automaton has 5496 states and 7493 transitions. Word has length 124 [2024-11-14 05:03:17,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:03:17,995 INFO L471 AbstractCegarLoop]: Abstraction has 5496 states and 7493 transitions. [2024-11-14 05:03:17,995 INFO L472 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) [2024-11-14 05:03:17,996 INFO L276 IsEmpty]: Start isEmpty. Operand 5496 states and 7493 transitions. [2024-11-14 05:03:17,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-14 05:03:17,998 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:03:17,998 INFO L215 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] [2024-11-14 05:03:17,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-14 05:03:17,998 INFO L396 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)] === [2024-11-14 05:03:17,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:03:17,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1576458440, now seen corresponding path program 1 times [2024-11-14 05:03:17,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:03:17,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551541764] [2024-11-14 05:03:17,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:03:17,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:03:19,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:03:19,590 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 05:03:19,590 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:03:19,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551541764] [2024-11-14 05:03:19,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551541764] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:03:19,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:03:19,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:03:19,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724841019] [2024-11-14 05:03:19,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:03:19,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:03:19,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:03:19,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:03:19,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:03:19,592 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) [2024-11-14 05:03:21,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:03:23,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:03:28,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:03:28,066 INFO L93 Difference]: Finished difference Result 5496 states and 7493 transitions. [2024-11-14 05:03:28,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:03:28,067 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 [2024-11-14 05:03:28,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:03:28,083 INFO L225 Difference]: With dead ends: 5496 [2024-11-14 05:03:28,083 INFO L226 Difference]: Without dead ends: 5494 [2024-11-14 05:03:28,086 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:03:28,086 INFO L432 NwaCegarLoop]: 2620 mSDtfsCounter, 2927 mSDsluCounter, 2620 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2927 SdHoareTripleChecker+Valid, 5240 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2024-11-14 05:03:28,086 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2927 Valid, 5240 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 683 Invalid, 2 Unknown, 0 Unchecked, 7.3s Time] [2024-11-14 05:03:28,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5494 states. [2024-11-14 05:03:28,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5494 to 5494. [2024-11-14 05:03:28,684 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) [2024-11-14 05:03:28,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5494 states to 5494 states and 7490 transitions. [2024-11-14 05:03:28,704 INFO L78 Accepts]: Start accepts. Automaton has 5494 states and 7490 transitions. Word has length 129 [2024-11-14 05:03:28,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:03:28,705 INFO L471 AbstractCegarLoop]: Abstraction has 5494 states and 7490 transitions. [2024-11-14 05:03:28,705 INFO L472 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) [2024-11-14 05:03:28,705 INFO L276 IsEmpty]: Start isEmpty. Operand 5494 states and 7490 transitions. [2024-11-14 05:03:28,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-14 05:03:28,707 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:03:28,708 INFO L215 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] [2024-11-14 05:03:28,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-14 05:03:28,708 INFO L396 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)] === [2024-11-14 05:03:28,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:03:28,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1404402761, now seen corresponding path program 1 times [2024-11-14 05:03:28,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:03:28,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640556385] [2024-11-14 05:03:28,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:03:28,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:03:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:03:30,339 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 05:03:30,340 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:03:30,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640556385] [2024-11-14 05:03:30,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640556385] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:03:30,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:03:30,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:03:30,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612397226] [2024-11-14 05:03:30,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:03:30,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:03:30,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:03:30,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:03:30,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:03:30,341 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) [2024-11-14 05:03:32,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:03:34,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:03:38,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:03:38,628 INFO L93 Difference]: Finished difference Result 5494 states and 7490 transitions. [2024-11-14 05:03:38,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:03:38,629 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 [2024-11-14 05:03:38,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:03:38,649 INFO L225 Difference]: With dead ends: 5494 [2024-11-14 05:03:38,649 INFO L226 Difference]: Without dead ends: 5492 [2024-11-14 05:03:38,652 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:03:38,652 INFO L432 NwaCegarLoop]: 2618 mSDtfsCounter, 2924 mSDsluCounter, 2618 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2924 SdHoareTripleChecker+Valid, 5236 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2024-11-14 05:03:38,653 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2924 Valid, 5236 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 683 Invalid, 2 Unknown, 0 Unchecked, 7.5s Time] [2024-11-14 05:03:38,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5492 states. [2024-11-14 05:03:39,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5492 to 5492. [2024-11-14 05:03:39,333 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) [2024-11-14 05:03:39,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5492 states to 5492 states and 7487 transitions. [2024-11-14 05:03:39,354 INFO L78 Accepts]: Start accepts. Automaton has 5492 states and 7487 transitions. Word has length 134 [2024-11-14 05:03:39,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:03:39,354 INFO L471 AbstractCegarLoop]: Abstraction has 5492 states and 7487 transitions. [2024-11-14 05:03:39,354 INFO L472 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) [2024-11-14 05:03:39,354 INFO L276 IsEmpty]: Start isEmpty. Operand 5492 states and 7487 transitions. [2024-11-14 05:03:39,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-14 05:03:39,357 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:03:39,357 INFO L215 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] [2024-11-14 05:03:39,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-14 05:03:39,357 INFO L396 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)] === [2024-11-14 05:03:39,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:03:39,357 INFO L85 PathProgramCache]: Analyzing trace with hash 2017270937, now seen corresponding path program 1 times [2024-11-14 05:03:39,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:03:39,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756930105] [2024-11-14 05:03:39,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:03:39,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:03:40,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:03:40,728 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 05:03:40,729 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:03:40,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756930105] [2024-11-14 05:03:40,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756930105] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:03:40,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:03:40,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:03:40,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205141743] [2024-11-14 05:03:40,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:03:40,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:03:40,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:03:40,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:03:40,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:03:40,730 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) [2024-11-14 05:03:42,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:03:44,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:03:48,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:03:48,913 INFO L93 Difference]: Finished difference Result 5492 states and 7487 transitions. [2024-11-14 05:03:48,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:03:48,914 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 [2024-11-14 05:03:48,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:03:48,936 INFO L225 Difference]: With dead ends: 5492 [2024-11-14 05:03:48,936 INFO L226 Difference]: Without dead ends: 5490 [2024-11-14 05:03:48,940 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:03:48,940 INFO L432 NwaCegarLoop]: 2616 mSDtfsCounter, 2921 mSDsluCounter, 2616 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2921 SdHoareTripleChecker+Valid, 5232 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2024-11-14 05:03:48,940 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2921 Valid, 5232 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 683 Invalid, 2 Unknown, 0 Unchecked, 7.3s Time] [2024-11-14 05:03:48,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5490 states. [2024-11-14 05:03:49,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5490 to 5490. [2024-11-14 05:03:49,639 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) [2024-11-14 05:03:49,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5490 states to 5490 states and 7484 transitions. [2024-11-14 05:03:49,658 INFO L78 Accepts]: Start accepts. Automaton has 5490 states and 7484 transitions. Word has length 139 [2024-11-14 05:03:49,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:03:49,659 INFO L471 AbstractCegarLoop]: Abstraction has 5490 states and 7484 transitions. [2024-11-14 05:03:49,659 INFO L472 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) [2024-11-14 05:03:49,659 INFO L276 IsEmpty]: Start isEmpty. Operand 5490 states and 7484 transitions. [2024-11-14 05:03:49,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-14 05:03:49,661 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:03:49,661 INFO L215 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] [2024-11-14 05:03:49,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-14 05:03:49,661 INFO L396 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)] === [2024-11-14 05:03:49,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:03:49,662 INFO L85 PathProgramCache]: Analyzing trace with hash -2009288747, now seen corresponding path program 1 times [2024-11-14 05:03:49,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:03:49,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539704626] [2024-11-14 05:03:49,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:03:49,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:03:50,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:03:51,137 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-14 05:03:51,138 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:03:51,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539704626] [2024-11-14 05:03:51,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539704626] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:03:51,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:03:51,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:03:51,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441256465] [2024-11-14 05:03:51,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:03:51,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:03:51,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:03:51,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:03:51,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:03:51,139 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) [2024-11-14 05:03:53,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:03:55,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:03:59,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:03:59,885 INFO L93 Difference]: Finished difference Result 5490 states and 7484 transitions. [2024-11-14 05:03:59,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:03:59,886 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 [2024-11-14 05:03:59,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:03:59,907 INFO L225 Difference]: With dead ends: 5490 [2024-11-14 05:03:59,908 INFO L226 Difference]: Without dead ends: 5259 [2024-11-14 05:03:59,912 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:03:59,913 INFO L432 NwaCegarLoop]: 2615 mSDtfsCounter, 2918 mSDsluCounter, 2615 mSDsCounter, 0 mSdLazyCounter, 681 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2918 SdHoareTripleChecker+Valid, 5230 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 681 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2024-11-14 05:03:59,913 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2918 Valid, 5230 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 681 Invalid, 2 Unknown, 0 Unchecked, 7.7s Time] [2024-11-14 05:03:59,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5259 states. [2024-11-14 05:04:00,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5259 to 5253. [2024-11-14 05:04:00,562 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) [2024-11-14 05:04:00,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5253 states to 5253 states and 7221 transitions. [2024-11-14 05:04:00,582 INFO L78 Accepts]: Start accepts. Automaton has 5253 states and 7221 transitions. Word has length 144 [2024-11-14 05:04:00,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:04:00,582 INFO L471 AbstractCegarLoop]: Abstraction has 5253 states and 7221 transitions. [2024-11-14 05:04:00,583 INFO L472 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) [2024-11-14 05:04:00,583 INFO L276 IsEmpty]: Start isEmpty. Operand 5253 states and 7221 transitions. [2024-11-14 05:04:00,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-14 05:04:00,585 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:04:00,585 INFO L215 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] [2024-11-14 05:04:00,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-14 05:04:00,585 INFO L396 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)] === [2024-11-14 05:04:00,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:04:00,586 INFO L85 PathProgramCache]: Analyzing trace with hash -445704359, now seen corresponding path program 1 times [2024-11-14 05:04:00,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:04:00,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468338697] [2024-11-14 05:04:00,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:04:00,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:04:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:04:05,105 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 6 proven. 58 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2024-11-14 05:04:05,105 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:04:05,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468338697] [2024-11-14 05:04:05,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468338697] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:04:05,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1070474614] [2024-11-14 05:04:05,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:04:05,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:04:05,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:04:05,109 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:04:05,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_176eb4c0-b1a7-4bd0-b987-0a7ab733e2e9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 05:04:08,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:04:08,144 INFO L255 TraceCheckSpWp]: Trace formula consists of 3250 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-14 05:04:08,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:04:08,348 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 194 proven. 2 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked. [2024-11-14 05:04:08,348 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:04:10,341 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 6 proven. 58 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2024-11-14 05:04:10,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1070474614] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:04:10,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [673763216] [2024-11-14 05:04:10,374 INFO L159 IcfgInterpreter]: Started Sifa with 88 locations of interest [2024-11-14 05:04:10,375 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 05:04:10,383 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 05:04:10,388 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 05:04:10,389 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs