./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1beceff-ad27-45ad-8f8f-d3113b98eea5/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1beceff-ad27-45ad-8f8f-d3113b98eea5/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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1beceff-ad27-45ad-8f8f-d3113b98eea5/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1beceff-ad27-45ad-8f8f-d3113b98eea5/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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/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 9d4cee005db193e9c1facb47684505767d12f23c1b879219be0e7ba3c7b775ac --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:00:13,315 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:00:13,425 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1beceff-ad27-45ad-8f8f-d3113b98eea5/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 04:00:13,436 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:00:13,436 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:00:13,481 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:00:13,483 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:00:13,483 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:00:13,484 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:00:13,484 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:00:13,485 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:00:13,485 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:00:13,486 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:00:13,486 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:00:13,486 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:00:13,486 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:00:13,486 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:00:13,486 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:00:13,486 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:00:13,487 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:00:13,487 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:00:13,487 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:00:13,488 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:00:13,488 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:00:13,488 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:00:13,488 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:00:13,488 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:00:13,489 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:00:13,489 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:00:13,489 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:00:13,489 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:00:13,489 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:00:13,490 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:00:13,490 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:00:13,490 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:00:13,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:00:13,490 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:00:13,491 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:00:13,491 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:00:13,491 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:00:13,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:00:13,492 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:00:13,492 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:00:13,492 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:00:13,492 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/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 -> 9d4cee005db193e9c1facb47684505767d12f23c1b879219be0e7ba3c7b775ac [2024-11-14 04:00:13,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:00:13,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:00:13,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:00:13,856 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:00:13,856 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:00:13,859 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1beceff-ad27-45ad-8f8f-d3113b98eea5/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i Unable to find full path for "g++" [2024-11-14 04:00:16,004 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:00:16,706 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:00:16,707 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i [2024-11-14 04:00:16,777 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1beceff-ad27-45ad-8f8f-d3113b98eea5/bin/utaipan-verify-sOmjnqqW8E/data/93791f1a8/790e5e023c2241da9bd7ccb6ba36110f/FLAG14a78deb0 [2024-11-14 04:00:16,801 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1beceff-ad27-45ad-8f8f-d3113b98eea5/bin/utaipan-verify-sOmjnqqW8E/data/93791f1a8/790e5e023c2241da9bd7ccb6ba36110f [2024-11-14 04:00:16,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:00:16,806 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:00:16,808 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:00:16,809 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:00:16,813 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:00:16,814 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:00:16" (1/1) ... [2024-11-14 04:00:16,815 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@476b6aec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:16, skipping insertion in model container [2024-11-14 04:00:16,816 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:00:16" (1/1) ... [2024-11-14 04:00:16,979 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:00:20,757 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[364624,364637] [2024-11-14 04:00:20,761 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[364769,364782] [2024-11-14 04:00:20,762 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[364915,364928] [2024-11-14 04:00:20,762 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365080,365093] [2024-11-14 04:00:20,763 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365238,365251] [2024-11-14 04:00:20,763 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365396,365409] [2024-11-14 04:00:20,763 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365554,365567] [2024-11-14 04:00:20,764 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365714,365727] [2024-11-14 04:00:20,764 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365873,365886] [2024-11-14 04:00:20,764 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366012,366025] [2024-11-14 04:00:20,765 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366154,366167] [2024-11-14 04:00:20,765 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366303,366316] [2024-11-14 04:00:20,766 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366442,366455] [2024-11-14 04:00:20,766 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366597,366610] [2024-11-14 04:00:20,766 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366757,366770] [2024-11-14 04:00:20,767 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366908,366921] [2024-11-14 04:00:20,767 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367059,367072] [2024-11-14 04:00:20,767 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367211,367224] [2024-11-14 04:00:20,768 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367360,367373] [2024-11-14 04:00:20,768 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367508,367521] [2024-11-14 04:00:20,769 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367665,367678] [2024-11-14 04:00:20,769 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367814,367827] [2024-11-14 04:00:20,773 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367970,367983] [2024-11-14 04:00:20,774 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368123,368136] [2024-11-14 04:00:20,775 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368269,368282] [2024-11-14 04:00:20,775 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368412,368425] [2024-11-14 04:00:20,775 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368564,368577] [2024-11-14 04:00:20,776 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368710,368723] [2024-11-14 04:00:20,776 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368855,368868] [2024-11-14 04:00:20,776 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369009,369022] [2024-11-14 04:00:20,777 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369160,369173] [2024-11-14 04:00:20,777 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369315,369328] [2024-11-14 04:00:20,777 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369467,369480] [2024-11-14 04:00:20,782 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369622,369635] [2024-11-14 04:00:20,782 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369786,369799] [2024-11-14 04:00:20,783 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369942,369955] [2024-11-14 04:00:20,783 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370106,370119] [2024-11-14 04:00:20,783 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370248,370261] [2024-11-14 04:00:20,783 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370406,370419] [2024-11-14 04:00:20,784 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370573,370586] [2024-11-14 04:00:20,784 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370732,370745] [2024-11-14 04:00:20,784 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370891,370904] [2024-11-14 04:00:20,785 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371040,371053] [2024-11-14 04:00:20,785 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371187,371200] [2024-11-14 04:00:20,788 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371326,371339] [2024-11-14 04:00:20,788 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371489,371502] [2024-11-14 04:00:20,789 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371655,371668] [2024-11-14 04:00:20,789 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371819,371832] [2024-11-14 04:00:20,790 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371984,371997] [2024-11-14 04:00:20,791 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372149,372162] [2024-11-14 04:00:20,791 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372315,372328] [2024-11-14 04:00:20,793 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372480,372493] [2024-11-14 04:00:20,794 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372647,372660] [2024-11-14 04:00:20,794 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372807,372820] [2024-11-14 04:00:20,795 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372969,372982] [2024-11-14 04:00:20,795 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373128,373141] [2024-11-14 04:00:20,795 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373274,373287] [2024-11-14 04:00:20,796 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373417,373430] [2024-11-14 04:00:20,796 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373561,373574] [2024-11-14 04:00:20,799 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373704,373717] [2024-11-14 04:00:20,800 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373848,373861] [2024-11-14 04:00:20,800 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373989,374002] [2024-11-14 04:00:20,801 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374127,374140] [2024-11-14 04:00:20,801 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374285,374298] [2024-11-14 04:00:20,802 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374444,374457] [2024-11-14 04:00:20,802 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374600,374613] [2024-11-14 04:00:20,802 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374749,374762] [2024-11-14 04:00:20,806 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374901,374914] [2024-11-14 04:00:20,807 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375052,375065] [2024-11-14 04:00:20,807 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375201,375214] [2024-11-14 04:00:20,808 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375353,375366] [2024-11-14 04:00:20,808 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375501,375514] [2024-11-14 04:00:20,808 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375654,375667] [2024-11-14 04:00:20,809 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375805,375818] [2024-11-14 04:00:20,810 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375955,375968] [2024-11-14 04:00:20,810 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376102,376115] [2024-11-14 04:00:20,812 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376253,376266] [2024-11-14 04:00:20,813 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376404,376417] [2024-11-14 04:00:20,814 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376552,376565] [2024-11-14 04:00:20,815 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376718,376731] [2024-11-14 04:00:20,815 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376887,376900] [2024-11-14 04:00:20,815 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377054,377067] [2024-11-14 04:00:20,816 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377222,377235] [2024-11-14 04:00:20,818 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377372,377385] [2024-11-14 04:00:20,819 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377519,377532] [2024-11-14 04:00:20,819 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377680,377693] [2024-11-14 04:00:20,819 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377850,377863] [2024-11-14 04:00:20,820 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[378012,378025] [2024-11-14 04:00:20,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:00:20,869 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:00:21,020 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [4495] [2024-11-14 04:00:21,022 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr))); [4503] [2024-11-14 04:00:21,023 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [4510] [2024-11-14 04:00:21,023 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr))); [4517] [2024-11-14 04:00:21,149 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/usb/host/isp116x-hcd.c"), "i" (190), "i" (12UL)); [5611-5612] [2024-11-14 04:00:21,154 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/usb/host/isp116x-hcd.c"), "i" (222), "i" (12UL)); [5662-5663] [2024-11-14 04:00:21,157 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/usb/host/isp116x-hcd.c"), "i" (240), "i" (12UL)); [5694-5695] [2024-11-14 04:00:21,159 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/usb/host/isp116x-hcd.c"), "i" (271), "i" (12UL)); [5743-5744] [2024-11-14 04:00:21,172 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/usb/host/isp116x-hcd.c"), "i" (358), "i" (12UL)); [5897-5898] [2024-11-14 04:00:21,180 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/usb/host/isp116x-hcd.c"), "i" (466), "i" (12UL)); [6049-6050] [2024-11-14 04:00:21,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/usb/host/isp116x-hcd.c"), "i" (546), "i" (12UL)); [6175-6176] [2024-11-14 04:00:21,448 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[364624,364637] [2024-11-14 04:00:21,449 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[364769,364782] [2024-11-14 04:00:21,451 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[364915,364928] [2024-11-14 04:00:21,451 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365080,365093] [2024-11-14 04:00:21,452 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365238,365251] [2024-11-14 04:00:21,453 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365396,365409] [2024-11-14 04:00:21,453 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365554,365567] [2024-11-14 04:00:21,454 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365714,365727] [2024-11-14 04:00:21,454 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365873,365886] [2024-11-14 04:00:21,454 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366012,366025] [2024-11-14 04:00:21,455 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366154,366167] [2024-11-14 04:00:21,455 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366303,366316] [2024-11-14 04:00:21,456 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366442,366455] [2024-11-14 04:00:21,457 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366597,366610] [2024-11-14 04:00:21,458 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366757,366770] [2024-11-14 04:00:21,458 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366908,366921] [2024-11-14 04:00:21,458 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367059,367072] [2024-11-14 04:00:21,459 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367211,367224] [2024-11-14 04:00:21,461 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367360,367373] [2024-11-14 04:00:21,461 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367508,367521] [2024-11-14 04:00:21,462 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367665,367678] [2024-11-14 04:00:21,462 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367814,367827] [2024-11-14 04:00:21,464 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367970,367983] [2024-11-14 04:00:21,465 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368123,368136] [2024-11-14 04:00:21,465 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368269,368282] [2024-11-14 04:00:21,465 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368412,368425] [2024-11-14 04:00:21,466 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368564,368577] [2024-11-14 04:00:21,466 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368710,368723] [2024-11-14 04:00:21,466 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368855,368868] [2024-11-14 04:00:21,467 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369009,369022] [2024-11-14 04:00:21,467 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369160,369173] [2024-11-14 04:00:21,467 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369315,369328] [2024-11-14 04:00:21,469 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369467,369480] [2024-11-14 04:00:21,469 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369622,369635] [2024-11-14 04:00:21,470 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369786,369799] [2024-11-14 04:00:21,472 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369942,369955] [2024-11-14 04:00:21,472 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370106,370119] [2024-11-14 04:00:21,473 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370248,370261] [2024-11-14 04:00:21,473 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370406,370419] [2024-11-14 04:00:21,473 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370573,370586] [2024-11-14 04:00:21,474 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370732,370745] [2024-11-14 04:00:21,477 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370891,370904] [2024-11-14 04:00:21,478 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371040,371053] [2024-11-14 04:00:21,478 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371187,371200] [2024-11-14 04:00:21,479 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371326,371339] [2024-11-14 04:00:21,479 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371489,371502] [2024-11-14 04:00:21,479 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371655,371668] [2024-11-14 04:00:21,480 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371819,371832] [2024-11-14 04:00:21,480 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371984,371997] [2024-11-14 04:00:21,480 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372149,372162] [2024-11-14 04:00:21,480 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372315,372328] [2024-11-14 04:00:21,481 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372480,372493] [2024-11-14 04:00:21,481 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372647,372660] [2024-11-14 04:00:21,481 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372807,372820] [2024-11-14 04:00:21,482 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372969,372982] [2024-11-14 04:00:21,482 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373128,373141] [2024-11-14 04:00:21,482 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373274,373287] [2024-11-14 04:00:21,483 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373417,373430] [2024-11-14 04:00:21,483 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373561,373574] [2024-11-14 04:00:21,483 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373704,373717] [2024-11-14 04:00:21,483 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373848,373861] [2024-11-14 04:00:21,483 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373989,374002] [2024-11-14 04:00:21,484 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374127,374140] [2024-11-14 04:00:21,484 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374285,374298] [2024-11-14 04:00:21,484 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374444,374457] [2024-11-14 04:00:21,485 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374600,374613] [2024-11-14 04:00:21,485 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374749,374762] [2024-11-14 04:00:21,486 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374901,374914] [2024-11-14 04:00:21,486 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375052,375065] [2024-11-14 04:00:21,486 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375201,375214] [2024-11-14 04:00:21,486 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375353,375366] [2024-11-14 04:00:21,487 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375501,375514] [2024-11-14 04:00:21,487 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375654,375667] [2024-11-14 04:00:21,487 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375805,375818] [2024-11-14 04:00:21,488 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375955,375968] [2024-11-14 04:00:21,488 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376102,376115] [2024-11-14 04:00:21,488 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376253,376266] [2024-11-14 04:00:21,489 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376404,376417] [2024-11-14 04:00:21,489 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376552,376565] [2024-11-14 04:00:21,489 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376718,376731] [2024-11-14 04:00:21,490 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376887,376900] [2024-11-14 04:00:21,490 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377054,377067] [2024-11-14 04:00:21,491 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377222,377235] [2024-11-14 04:00:21,491 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377372,377385] [2024-11-14 04:00:21,491 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377519,377532] [2024-11-14 04:00:21,492 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377680,377693] [2024-11-14 04:00:21,492 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377850,377863] [2024-11-14 04:00:21,492 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_d1beceff-ad27-45ad-8f8f-d3113b98eea5/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[378012,378025] [2024-11-14 04:00:21,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:00:21,700 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:00:21,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:21 WrapperNode [2024-11-14 04:00:21,701 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:00:21,703 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:00:21,703 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:00:21,703 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:00:21,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:21" (1/1) ... [2024-11-14 04:00:21,802 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:21" (1/1) ... [2024-11-14 04:00:22,184 INFO L138 Inliner]: procedures = 600, calls = 3038, calls flagged for inlining = 294, calls inlined = 217, statements flattened = 7476 [2024-11-14 04:00:22,185 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:00:22,186 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:00:22,186 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:00:22,186 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:00:22,196 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:21" (1/1) ... [2024-11-14 04:00:22,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:21" (1/1) ... [2024-11-14 04:00:22,270 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:21" (1/1) ... [2024-11-14 04:00:22,271 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:21" (1/1) ... [2024-11-14 04:00:22,459 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:21" (1/1) ... [2024-11-14 04:00:22,482 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:21" (1/1) ... [2024-11-14 04:00:22,505 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:21" (1/1) ... [2024-11-14 04:00:22,538 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:21" (1/1) ... [2024-11-14 04:00:22,602 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:00:22,603 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:00:22,603 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:00:22,604 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:00:22,605 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:21" (1/1) ... [2024-11-14 04:00:22,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:00:22,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1beceff-ad27-45ad-8f8f-d3113b98eea5/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:00:22,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1beceff-ad27-45ad-8f8f-d3113b98eea5/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:00:22,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1beceff-ad27-45ad-8f8f-d3113b98eea5/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:00:22,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2024-11-14 04:00:22,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2024-11-14 04:00:22,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-14 04:00:22,687 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-14 04:00:22,687 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_get_frame [2024-11-14 04:00:22,687 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_get_frame [2024-11-14 04:00:22,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-14 04:00:22,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-14 04:00:22,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2024-11-14 04:00:22,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2024-11-14 04:00:22,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-14 04:00:22,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-14 04:00:22,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2024-11-14 04:00:22,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2024-11-14 04:00:22,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2024-11-14 04:00:22,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2024-11-14 04:00:22,688 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2024-11-14 04:00:22,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2024-11-14 04:00:22,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_isp116x [2024-11-14 04:00:22,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_isp116x [2024-11-14 04:00:22,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-14 04:00:22,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-14 04:00:22,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-14 04:00:22,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-14 04:00:22,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2024-11-14 04:00:22,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2024-11-14 04:00:22,689 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_read_reg32 [2024-11-14 04:00:22,689 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_read_reg32 [2024-11-14 04:00:22,689 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2024-11-14 04:00:22,689 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2024-11-14 04:00:22,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 04:00:22,689 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_raw_write_data16 [2024-11-14 04:00:22,690 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_raw_write_data16 [2024-11-14 04:00:22,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2024-11-14 04:00:22,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2024-11-14 04:00:22,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-14 04:00:22,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2024-11-14 04:00:22,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2024-11-14 04:00:22,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-14 04:00:22,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-14 04:00:22,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2024-11-14 04:00:22,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2024-11-14 04:00:22,691 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2024-11-14 04:00:22,691 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2024-11-14 04:00:22,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 04:00:22,692 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_read_data16 [2024-11-14 04:00:22,692 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_read_data16 [2024-11-14 04:00:22,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2024-11-14 04:00:22,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2024-11-14 04:00:22,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2024-11-14 04:00:22,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2024-11-14 04:00:22,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_122 [2024-11-14 04:00:22,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_122 [2024-11-14 04:00:22,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-14 04:00:22,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-14 04:00:22,694 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_hub_control [2024-11-14 04:00:22,694 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_hub_control [2024-11-14 04:00:22,694 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_reset [2024-11-14 04:00:22,694 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_reset [2024-11-14 04:00:22,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2024-11-14 04:00:22,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2024-11-14 04:00:22,695 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_isp116x [2024-11-14 04:00:22,695 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_isp116x [2024-11-14 04:00:22,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2024-11-14 04:00:22,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2024-11-14 04:00:22,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 04:00:22,695 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2024-11-14 04:00:22,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2024-11-14 04:00:22,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:00:22,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-14 04:00:22,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-14 04:00:22,695 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-14 04:00:22,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-14 04:00:22,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 04:00:22,695 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-14 04:00:22,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-14 04:00:22,695 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-14 04:00:22,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-14 04:00:22,695 INFO L130 BoogieDeclarations]: Found specification of procedure usb_remove_hcd [2024-11-14 04:00:22,696 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_remove_hcd [2024-11-14 04:00:22,696 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_bus_resume [2024-11-14 04:00:22,696 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_bus_resume [2024-11-14 04:00:22,696 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-14 04:00:22,696 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-14 04:00:22,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2024-11-14 04:00:22,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2024-11-14 04:00:22,696 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_start [2024-11-14 04:00:22,696 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_start [2024-11-14 04:00:22,696 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2024-11-14 04:00:22,696 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2024-11-14 04:00:22,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:00:22,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:00:22,696 INFO L130 BoogieDeclarations]: Found specification of procedure finish_request [2024-11-14 04:00:22,696 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_request [2024-11-14 04:00:22,696 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_write_reg16 [2024-11-14 04:00:22,696 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_write_reg16 [2024-11-14 04:00:22,696 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-14 04:00:22,696 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-14 04:00:22,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-14 04:00:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-14 04:00:22,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-14 04:00:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-14 04:00:22,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-14 04:00:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2024-11-14 04:00:22,697 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2024-11-14 04:00:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_write_reg32 [2024-11-14 04:00:22,697 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_write_reg32 [2024-11-14 04:00:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_sw_reset [2024-11-14 04:00:22,697 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_sw_reset [2024-11-14 04:00:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2024-11-14 04:00:22,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2024-11-14 04:00:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_isp116x [2024-11-14 04:00:22,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_isp116x [2024-11-14 04:00:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2024-11-14 04:00:22,700 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2024-11-14 04:00:22,701 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_write_addr [2024-11-14 04:00:22,701 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_write_addr [2024-11-14 04:00:22,701 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_to_hcd [2024-11-14 04:00:22,701 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_to_hcd [2024-11-14 04:00:22,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2024-11-14 04:00:22,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2024-11-14 04:00:22,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2024-11-14 04:00:22,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2024-11-14 04:00:22,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 04:00:22,703 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-14 04:00:22,703 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-14 04:00:22,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2024-11-14 04:00:22,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2024-11-14 04:00:22,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 04:00:22,703 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2024-11-14 04:00:22,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2024-11-14 04:00:22,703 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2024-11-14 04:00:22,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2024-11-14 04:00:22,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_101 [2024-11-14 04:00:22,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_101 [2024-11-14 04:00:22,703 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-14 04:00:22,703 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-14 04:00:22,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2024-11-14 04:00:22,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2024-11-14 04:00:22,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-14 04:00:22,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-14 04:00:22,703 INFO L130 BoogieDeclarations]: Found specification of procedure start_atl_transfers [2024-11-14 04:00:22,703 INFO L138 BoogieDeclarations]: Found implementation of procedure start_atl_transfers [2024-11-14 04:00:22,704 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2024-11-14 04:00:22,704 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2024-11-14 04:00:22,704 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_probe [2024-11-14 04:00:22,704 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_probe [2024-11-14 04:00:22,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-14 04:00:22,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-14 04:00:22,704 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_write_data16 [2024-11-14 04:00:22,704 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_write_data16 [2024-11-14 04:00:22,704 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-11-14 04:00:22,704 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-11-14 04:00:22,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2024-11-14 04:00:22,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2024-11-14 04:00:22,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2024-11-14 04:00:22,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2024-11-14 04:00:22,704 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2024-11-14 04:00:22,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2024-11-14 04:00:22,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2024-11-14 04:00:22,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2024-11-14 04:00:22,704 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-11-14 04:00:22,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-11-14 04:00:22,704 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-14 04:00:22,705 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-14 04:00:22,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 04:00:22,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2024-11-14 04:00:22,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2024-11-14 04:00:22,705 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2024-11-14 04:00:22,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2024-11-14 04:00:22,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-14 04:00:22,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-14 04:00:22,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_96 [2024-11-14 04:00:22,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_96 [2024-11-14 04:00:22,705 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_read_reg16 [2024-11-14 04:00:22,705 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_read_reg16 [2024-11-14 04:00:22,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2024-11-14 04:00:22,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2024-11-14 04:00:22,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_95 [2024-11-14 04:00:22,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_95 [2024-11-14 04:00:22,707 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_stop [2024-11-14 04:00:22,708 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_stop [2024-11-14 04:00:22,708 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_bus_suspend [2024-11-14 04:00:22,708 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_bus_suspend [2024-11-14 04:00:22,708 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_raw_read_data16 [2024-11-14 04:00:22,708 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_raw_read_data16 [2024-11-14 04:00:22,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-14 04:00:22,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-14 04:00:22,708 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_resume [2024-11-14 04:00:22,708 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_resume [2024-11-14 04:00:22,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2024-11-14 04:00:22,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2024-11-14 04:00:22,709 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2024-11-14 04:00:22,709 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2024-11-14 04:00:22,709 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2024-11-14 04:00:22,709 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2024-11-14 04:00:22,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_121 [2024-11-14 04:00:22,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_121 [2024-11-14 04:00:22,709 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_remove [2024-11-14 04:00:22,709 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_remove [2024-11-14 04:00:22,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:00:22,709 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2024-11-14 04:00:22,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2024-11-14 04:00:22,710 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2024-11-14 04:00:22,710 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2024-11-14 04:00:23,911 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:00:23,917 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:00:24,360 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-14 04:00:36,837 INFO L? ?]: Removed 2350 outVars from TransFormulas that were not future-live. [2024-11-14 04:00:36,838 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:00:39,410 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:00:39,413 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:00:39,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:00:39 BoogieIcfgContainer [2024-11-14 04:00:39,414 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:00:39,417 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:00:39,417 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:00:39,424 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:00:39,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:00:16" (1/3) ... [2024-11-14 04:00:39,425 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@738daaa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:00:39, skipping insertion in model container [2024-11-14 04:00:39,425 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:00:21" (2/3) ... [2024-11-14 04:00:39,428 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@738daaa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:00:39, skipping insertion in model container [2024-11-14 04:00:39,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:00:39" (3/3) ... [2024-11-14 04:00:39,430 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i [2024-11-14 04:00:39,450 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:00:39,454 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i that has 97 procedures, 1814 locations, 1 initial locations, 0 loop locations, and 28 error locations. [2024-11-14 04:00:39,597 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:00:39,613 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;@5a426ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:00:39,617 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-11-14 04:00:39,633 INFO L276 IsEmpty]: Start isEmpty. Operand has 1813 states, 1073 states have (on average 1.32618825722274) internal successors, (1423), 1139 states have internal predecessors, (1423), 617 states have call successors, (617), 96 states have call predecessors, (617), 95 states have return successors, (610), 602 states have call predecessors, (610), 610 states have call successors, (610) [2024-11-14 04:00:39,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-14 04:00:39,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:00:39,648 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 04:00:39,649 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 04:00:39,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:00:39,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1415862997, now seen corresponding path program 1 times [2024-11-14 04:00:39,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:00:39,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382454871] [2024-11-14 04:00:39,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:00:39,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:00:42,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:00:44,203 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 04:00:44,204 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:00:44,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382454871] [2024-11-14 04:00:44,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382454871] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:00:44,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:00:44,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:00:44,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675902577] [2024-11-14 04:00:44,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:00:44,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:00:44,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:00:44,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:00:44,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:00:44,248 INFO L87 Difference]: Start difference. First operand has 1813 states, 1073 states have (on average 1.32618825722274) internal successors, (1423), 1139 states have internal predecessors, (1423), 617 states have call successors, (617), 96 states have call predecessors, (617), 95 states have return successors, (610), 602 states have call predecessors, (610), 610 states have call successors, (610) Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-14 04:00:46,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:00:48,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:00:58,683 WARN L539 Checker$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 04:01:00,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:01:00,609 INFO L93 Difference]: Finished difference Result 5326 states and 8106 transitions. [2024-11-14 04:01:00,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:01:00,612 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 04:01:00,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:01:00,658 INFO L225 Difference]: With dead ends: 5326 [2024-11-14 04:01:00,659 INFO L226 Difference]: Without dead ends: 3502 [2024-11-14 04:01:00,684 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 04:01:00,689 INFO L432 NwaCegarLoop]: 2317 mSDtfsCounter, 2496 mSDsluCounter, 4613 mSDsCounter, 0 mSdLazyCounter, 885 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2496 SdHoareTripleChecker+Valid, 6930 SdHoareTripleChecker+Invalid, 888 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 885 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2024-11-14 04:01:00,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2496 Valid, 6930 Invalid, 888 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 885 Invalid, 3 Unknown, 0 Unchecked, 15.8s Time] [2024-11-14 04:01:00,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3502 states. [2024-11-14 04:01:01,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3502 to 3328. [2024-11-14 04:01:01,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3328 states, 1987 states have (on average 1.299446401610468) internal successors, (2582), 2080 states have internal predecessors, (2582), 1147 states have call successors, (1147), 168 states have call predecessors, (1147), 166 states have return successors, (1171), 1124 states have call predecessors, (1171), 1145 states have call successors, (1171) [2024-11-14 04:01:01,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3328 states to 3328 states and 4900 transitions. [2024-11-14 04:01:01,191 INFO L78 Accepts]: Start accepts. Automaton has 3328 states and 4900 transitions. Word has length 47 [2024-11-14 04:01:01,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:01:01,193 INFO L471 AbstractCegarLoop]: Abstraction has 3328 states and 4900 transitions. [2024-11-14 04:01:01,193 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 04:01:01,194 INFO L276 IsEmpty]: Start isEmpty. Operand 3328 states and 4900 transitions. [2024-11-14 04:01:01,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-14 04:01:01,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:01:01,197 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 04:01:01,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:01:01,198 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 04:01:01,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:01:01,199 INFO L85 PathProgramCache]: Analyzing trace with hash -566262758, now seen corresponding path program 1 times [2024-11-14 04:01:01,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:01:01,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269364470] [2024-11-14 04:01:01,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:01:01,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:01:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:01:04,230 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 04:01:04,231 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:01:04,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269364470] [2024-11-14 04:01:04,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269364470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:01:04,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:01:04,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:01:04,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232607828] [2024-11-14 04:01:04,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:01:04,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:01:04,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:01:04,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:01:04,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:01:04,236 INFO L87 Difference]: Start difference. First operand 3328 states and 4900 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-14 04:01:06,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:01:08,354 WARN L539 Checker$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 04:01:15,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:01:15,304 INFO L93 Difference]: Finished difference Result 3328 states and 4900 transitions. [2024-11-14 04:01:15,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:01:15,306 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 04:01:15,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:01:15,338 INFO L225 Difference]: With dead ends: 3328 [2024-11-14 04:01:15,339 INFO L226 Difference]: Without dead ends: 3326 [2024-11-14 04:01:15,342 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 04:01:15,346 INFO L432 NwaCegarLoop]: 2294 mSDtfsCounter, 2566 mSDsluCounter, 2294 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2566 SdHoareTripleChecker+Valid, 4588 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2024-11-14 04:01:15,347 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2566 Valid, 4588 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 583 Invalid, 2 Unknown, 0 Unchecked, 10.7s Time] [2024-11-14 04:01:15,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3326 states. [2024-11-14 04:01:15,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3326 to 3326. [2024-11-14 04:01:15,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3326 states, 1986 states have (on average 1.299093655589124) internal successors, (2580), 2078 states have internal predecessors, (2580), 1147 states have call successors, (1147), 168 states have call predecessors, (1147), 166 states have return successors, (1171), 1124 states have call predecessors, (1171), 1145 states have call successors, (1171) [2024-11-14 04:01:15,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3326 states to 3326 states and 4898 transitions. [2024-11-14 04:01:15,699 INFO L78 Accepts]: Start accepts. Automaton has 3326 states and 4898 transitions. Word has length 52 [2024-11-14 04:01:15,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:01:15,700 INFO L471 AbstractCegarLoop]: Abstraction has 3326 states and 4898 transitions. [2024-11-14 04:01:15,700 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 04:01:15,700 INFO L276 IsEmpty]: Start isEmpty. Operand 3326 states and 4898 transitions. [2024-11-14 04:01:15,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-14 04:01:15,703 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:01:15,705 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 04:01:15,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 04:01:15,705 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 04:01:15,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:01:15,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1532911671, now seen corresponding path program 1 times [2024-11-14 04:01:15,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:01:15,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185740818] [2024-11-14 04:01:15,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:01:15,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:01:17,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:01:18,570 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 04:01:18,572 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:01:18,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185740818] [2024-11-14 04:01:18,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185740818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:01:18,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:01:18,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:01:18,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881887267] [2024-11-14 04:01:18,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:01:18,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:01:18,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:01:18,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:01:18,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:01:18,575 INFO L87 Difference]: Start difference. First operand 3326 states and 4898 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-14 04:01:20,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:01:22,672 WARN L539 Checker$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 04:01:28,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:01:28,916 INFO L93 Difference]: Finished difference Result 3326 states and 4898 transitions. [2024-11-14 04:01:28,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:01:28,917 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 04:01:28,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:01:28,946 INFO L225 Difference]: With dead ends: 3326 [2024-11-14 04:01:28,946 INFO L226 Difference]: Without dead ends: 3324 [2024-11-14 04:01:28,949 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 04:01:28,950 INFO L432 NwaCegarLoop]: 2292 mSDtfsCounter, 2563 mSDsluCounter, 2292 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2563 SdHoareTripleChecker+Valid, 4584 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:01:28,951 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2563 Valid, 4584 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 583 Invalid, 2 Unknown, 0 Unchecked, 10.1s Time] [2024-11-14 04:01:28,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3324 states. [2024-11-14 04:01:29,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3324 to 3324. [2024-11-14 04:01:29,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3324 states, 1985 states have (on average 1.2987405541561712) internal successors, (2578), 2076 states have internal predecessors, (2578), 1147 states have call successors, (1147), 168 states have call predecessors, (1147), 166 states have return successors, (1171), 1124 states have call predecessors, (1171), 1145 states have call successors, (1171) [2024-11-14 04:01:29,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3324 states to 3324 states and 4896 transitions. [2024-11-14 04:01:29,207 INFO L78 Accepts]: Start accepts. Automaton has 3324 states and 4896 transitions. Word has length 57 [2024-11-14 04:01:29,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:01:29,210 INFO L471 AbstractCegarLoop]: Abstraction has 3324 states and 4896 transitions. [2024-11-14 04:01:29,211 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 04:01:29,211 INFO L276 IsEmpty]: Start isEmpty. Operand 3324 states and 4896 transitions. [2024-11-14 04:01:29,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-14 04:01:29,216 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:01:29,217 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 04:01:29,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 04:01:29,217 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 04:01:29,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:01:29,219 INFO L85 PathProgramCache]: Analyzing trace with hash 924688619, now seen corresponding path program 1 times [2024-11-14 04:01:29,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:01:29,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312262977] [2024-11-14 04:01:29,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:01:29,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:01:31,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:01:31,746 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 04:01:31,746 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:01:31,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312262977] [2024-11-14 04:01:31,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312262977] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:01:31,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:01:31,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:01:31,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667685965] [2024-11-14 04:01:31,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:01:31,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:01:31,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:01:31,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:01:31,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:01:31,748 INFO L87 Difference]: Start difference. First operand 3324 states and 4896 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-14 04:01:33,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:01:35,847 WARN L539 Checker$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 04:01:42,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:01:42,123 INFO L93 Difference]: Finished difference Result 3324 states and 4896 transitions. [2024-11-14 04:01:42,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:01:42,124 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 04:01:42,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:01:42,144 INFO L225 Difference]: With dead ends: 3324 [2024-11-14 04:01:42,145 INFO L226 Difference]: Without dead ends: 3322 [2024-11-14 04:01:42,147 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 04:01:42,148 INFO L432 NwaCegarLoop]: 2290 mSDtfsCounter, 2560 mSDsluCounter, 2290 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2560 SdHoareTripleChecker+Valid, 4580 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:01:42,148 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2560 Valid, 4580 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 583 Invalid, 2 Unknown, 0 Unchecked, 10.2s Time] [2024-11-14 04:01:42,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3322 states. [2024-11-14 04:01:42,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3322 to 3322. [2024-11-14 04:01:42,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3322 states, 1984 states have (on average 1.2983870967741935) internal successors, (2576), 2074 states have internal predecessors, (2576), 1147 states have call successors, (1147), 168 states have call predecessors, (1147), 166 states have return successors, (1171), 1124 states have call predecessors, (1171), 1145 states have call successors, (1171) [2024-11-14 04:01:42,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3322 states to 3322 states and 4894 transitions. [2024-11-14 04:01:42,411 INFO L78 Accepts]: Start accepts. Automaton has 3322 states and 4894 transitions. Word has length 62 [2024-11-14 04:01:42,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:01:42,412 INFO L471 AbstractCegarLoop]: Abstraction has 3322 states and 4894 transitions. [2024-11-14 04:01:42,412 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 04:01:42,412 INFO L276 IsEmpty]: Start isEmpty. Operand 3322 states and 4894 transitions. [2024-11-14 04:01:42,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-14 04:01:42,418 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:01:42,418 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:01:42,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 04:01:42,419 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-14 04:01:42,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:01:42,419 INFO L85 PathProgramCache]: Analyzing trace with hash 173105859, now seen corresponding path program 1 times [2024-11-14 04:01:42,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:01:42,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353752070] [2024-11-14 04:01:42,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:01:42,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:01:44,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:01:44,777 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-14 04:01:44,777 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:01:44,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353752070] [2024-11-14 04:01:44,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353752070] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:01:44,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:01:44,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 04:01:44,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495960702] [2024-11-14 04:01:44,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:01:44,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:01:44,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:01:44,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:01:44,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:01:44,778 INFO L87 Difference]: Start difference. First operand 3322 states and 4894 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-14 04:01:46,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:01:51,369 WARN L539 Checker$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 04:01:52,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:01:52,362 INFO L93 Difference]: Finished difference Result 6622 states and 9756 transitions. [2024-11-14 04:01:52,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:01:52,363 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 72 [2024-11-14 04:01:52,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:01:52,386 INFO L225 Difference]: With dead ends: 6622 [2024-11-14 04:01:52,386 INFO L226 Difference]: Without dead ends: 3316 [2024-11-14 04:01:52,403 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 04:01:52,404 INFO L432 NwaCegarLoop]: 2286 mSDtfsCounter, 2571 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2571 SdHoareTripleChecker+Valid, 2286 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2024-11-14 04:01:52,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2571 Valid, 2286 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 290 Invalid, 2 Unknown, 0 Unchecked, 7.4s Time] [2024-11-14 04:01:52,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3316 states. [2024-11-14 04:01:52,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3316 to 3316. [2024-11-14 04:01:52,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3316 states, 1979 states have (on average 1.2971197574532591) internal successors, (2567), 2068 states have internal predecessors, (2567), 1147 states have call successors, (1147), 168 states have call predecessors, (1147), 166 states have return successors, (1171), 1124 states have call predecessors, (1171), 1145 states have call successors, (1171) [2024-11-14 04:01:52,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3316 states to 3316 states and 4885 transitions. [2024-11-14 04:01:52,679 INFO L78 Accepts]: Start accepts. Automaton has 3316 states and 4885 transitions. Word has length 72 [2024-11-14 04:01:52,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:01:52,680 INFO L471 AbstractCegarLoop]: Abstraction has 3316 states and 4885 transitions. [2024-11-14 04:01:52,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-14 04:01:52,680 INFO L276 IsEmpty]: Start isEmpty. Operand 3316 states and 4885 transitions. [2024-11-14 04:01:52,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-14 04:01:52,682 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:01:52,682 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 04:01:52,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 04:01:52,683 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-14 04:01:52,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:01:52,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1860584988, now seen corresponding path program 1 times [2024-11-14 04:01:52,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:01:52,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653651096] [2024-11-14 04:01:52,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:01:52,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:01:54,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:01:55,299 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 04:01:55,299 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:01:55,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653651096] [2024-11-14 04:01:55,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653651096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:01:55,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:01:55,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:01:55,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713792019] [2024-11-14 04:01:55,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:01:55,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:01:55,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:01:55,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:01:55,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:01:55,301 INFO L87 Difference]: Start difference. First operand 3316 states and 4885 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-14 04:01:57,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:01:59,398 WARN L539 Checker$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 04:02:05,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:02:05,734 INFO L93 Difference]: Finished difference Result 3316 states and 4885 transitions. [2024-11-14 04:02:05,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:02:05,735 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 04:02:05,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:02:05,756 INFO L225 Difference]: With dead ends: 3316 [2024-11-14 04:02:05,757 INFO L226 Difference]: Without dead ends: 3314 [2024-11-14 04:02:05,759 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 04:02:05,759 INFO L432 NwaCegarLoop]: 2283 mSDtfsCounter, 2552 mSDsluCounter, 2283 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2552 SdHoareTripleChecker+Valid, 4566 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:02:05,760 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2552 Valid, 4566 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 583 Invalid, 2 Unknown, 0 Unchecked, 10.2s Time] [2024-11-14 04:02:05,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3314 states. [2024-11-14 04:02:06,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3314 to 3314. [2024-11-14 04:02:06,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3314 states, 1978 states have (on average 1.2967644084934278) internal successors, (2565), 2066 states have internal predecessors, (2565), 1147 states have call successors, (1147), 168 states have call predecessors, (1147), 166 states have return successors, (1171), 1124 states have call predecessors, (1171), 1145 states have call successors, (1171) [2024-11-14 04:02:06,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3314 states to 3314 states and 4883 transitions. [2024-11-14 04:02:06,043 INFO L78 Accepts]: Start accepts. Automaton has 3314 states and 4883 transitions. Word has length 67 [2024-11-14 04:02:06,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:02:06,045 INFO L471 AbstractCegarLoop]: Abstraction has 3314 states and 4883 transitions. [2024-11-14 04:02:06,045 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 04:02:06,045 INFO L276 IsEmpty]: Start isEmpty. Operand 3314 states and 4883 transitions. [2024-11-14 04:02:06,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-14 04:02:06,047 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:02:06,047 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:02:06,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-14 04:02:06,047 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-14 04:02:06,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:02:06,048 INFO L85 PathProgramCache]: Analyzing trace with hash 480247937, now seen corresponding path program 1 times [2024-11-14 04:02:06,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:02:06,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090092541] [2024-11-14 04:02:06,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:02:06,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:02:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:02:08,658 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-14 04:02:08,658 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:02:08,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090092541] [2024-11-14 04:02:08,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090092541] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:02:08,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [371571122] [2024-11-14 04:02:08,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:02:08,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:02:08,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1beceff-ad27-45ad-8f8f-d3113b98eea5/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:02:08,664 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1beceff-ad27-45ad-8f8f-d3113b98eea5/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:02:08,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1beceff-ad27-45ad-8f8f-d3113b98eea5/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 04:02:12,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:02:12,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 3560 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 04:02:12,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:02:12,461 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-14 04:02:12,461 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:02:12,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [371571122] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:02:12,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 04:02:12,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-14 04:02:12,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272090717] [2024-11-14 04:02:12,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:02:12,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:02:12,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:02:12,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:02:12,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-14 04:02:12,463 INFO L87 Difference]: Start difference. First operand 3314 states and 4883 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-14 04:02:14,534 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 04:02:17,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:02:17,610 INFO L93 Difference]: Finished difference Result 6606 states and 9734 transitions. [2024-11-14 04:02:17,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:02:17,611 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 77 [2024-11-14 04:02:17,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:02:17,635 INFO L225 Difference]: With dead ends: 6606 [2024-11-14 04:02:17,635 INFO L226 Difference]: Without dead ends: 3308 [2024-11-14 04:02:17,652 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-14 04:02:17,653 INFO L432 NwaCegarLoop]: 2279 mSDtfsCounter, 2556 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2556 SdHoareTripleChecker+Valid, 2279 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-14 04:02:17,654 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2556 Valid, 2279 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 291 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-11-14 04:02:17,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3308 states. [2024-11-14 04:02:17,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3308 to 3308. [2024-11-14 04:02:17,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3308 states, 1973 states have (on average 1.2954891028890014) internal successors, (2556), 2060 states have internal predecessors, (2556), 1147 states have call successors, (1147), 168 states have call predecessors, (1147), 166 states have return successors, (1171), 1124 states have call predecessors, (1171), 1145 states have call successors, (1171) [2024-11-14 04:02:17,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3308 states to 3308 states and 4874 transitions. [2024-11-14 04:02:17,959 INFO L78 Accepts]: Start accepts. Automaton has 3308 states and 4874 transitions. Word has length 77 [2024-11-14 04:02:17,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:02:17,960 INFO L471 AbstractCegarLoop]: Abstraction has 3308 states and 4874 transitions. [2024-11-14 04:02:17,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-14 04:02:17,961 INFO L276 IsEmpty]: Start isEmpty. Operand 3308 states and 4874 transitions. [2024-11-14 04:02:17,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-14 04:02:17,965 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:02:17,965 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 04:02:17,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1beceff-ad27-45ad-8f8f-d3113b98eea5/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 04:02:18,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1beceff-ad27-45ad-8f8f-d3113b98eea5/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:02:18,166 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-14 04:02:18,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:02:18,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1606221208, now seen corresponding path program 1 times [2024-11-14 04:02:18,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:02:18,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548514267] [2024-11-14 04:02:18,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:02:18,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:02:20,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:02:20,804 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 04:02:20,804 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:02:20,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548514267] [2024-11-14 04:02:20,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548514267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:02:20,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:02:20,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:02:20,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220219372] [2024-11-14 04:02:20,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:02:20,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:02:20,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:02:20,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:02:20,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:02:20,809 INFO L87 Difference]: Start difference. First operand 3308 states and 4874 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-14 04:02:22,882 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 04:02:24,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:02:29,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:02:31,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:02:31,912 INFO L93 Difference]: Finished difference Result 3308 states and 4874 transitions. [2024-11-14 04:02:31,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:02:31,914 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 04:02:31,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:02:31,937 INFO L225 Difference]: With dead ends: 3308 [2024-11-14 04:02:31,938 INFO L226 Difference]: Without dead ends: 3306 [2024-11-14 04:02:31,941 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 04:02:31,942 INFO L432 NwaCegarLoop]: 2276 mSDtfsCounter, 2544 mSDsluCounter, 2276 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2544 SdHoareTripleChecker+Valid, 4552 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2024-11-14 04:02:31,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2544 Valid, 4552 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 583 Invalid, 2 Unknown, 0 Unchecked, 10.9s Time] [2024-11-14 04:02:31,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3306 states. [2024-11-14 04:02:32,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3306 to 3306. [2024-11-14 04:02:32,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3306 states, 1972 states have (on average 1.295131845841785) internal successors, (2554), 2058 states have internal predecessors, (2554), 1147 states have call successors, (1147), 168 states have call predecessors, (1147), 166 states have return successors, (1171), 1124 states have call predecessors, (1171), 1145 states have call successors, (1171) [2024-11-14 04:02:32,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3306 states to 3306 states and 4872 transitions. [2024-11-14 04:02:32,230 INFO L78 Accepts]: Start accepts. Automaton has 3306 states and 4872 transitions. Word has length 72 [2024-11-14 04:02:32,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:02:32,231 INFO L471 AbstractCegarLoop]: Abstraction has 3306 states and 4872 transitions. [2024-11-14 04:02:32,231 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 04:02:32,231 INFO L276 IsEmpty]: Start isEmpty. Operand 3306 states and 4872 transitions. [2024-11-14 04:02:32,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-14 04:02:32,232 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:02:32,233 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 04:02:32,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-14 04:02:32,233 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-14 04:02:32,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:02:32,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1501590027, now seen corresponding path program 1 times [2024-11-14 04:02:32,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:02:32,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425971111] [2024-11-14 04:02:32,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:02:32,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:02:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:02:34,643 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 04:02:34,643 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:02:34,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425971111] [2024-11-14 04:02:34,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425971111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:02:34,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:02:34,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:02:34,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323975926] [2024-11-14 04:02:34,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:02:34,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:02:34,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:02:34,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:02:34,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:02:34,646 INFO L87 Difference]: Start difference. First operand 3306 states and 4872 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-14 04:02:36,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:02:38,753 WARN L539 Checker$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 04:02:44,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:02:44,727 INFO L93 Difference]: Finished difference Result 3306 states and 4872 transitions. [2024-11-14 04:02:44,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:02:44,729 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 04:02:44,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:02:44,747 INFO L225 Difference]: With dead ends: 3306 [2024-11-14 04:02:44,747 INFO L226 Difference]: Without dead ends: 3304 [2024-11-14 04:02:44,749 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 04:02:44,749 INFO L432 NwaCegarLoop]: 2274 mSDtfsCounter, 2541 mSDsluCounter, 2274 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2541 SdHoareTripleChecker+Valid, 4548 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2024-11-14 04:02:44,750 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2541 Valid, 4548 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 583 Invalid, 2 Unknown, 0 Unchecked, 9.8s Time] [2024-11-14 04:02:44,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3304 states. [2024-11-14 04:02:45,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3304 to 3304. [2024-11-14 04:02:45,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3304 states, 1971 states have (on average 1.2947742262810755) internal successors, (2552), 2056 states have internal predecessors, (2552), 1147 states have call successors, (1147), 168 states have call predecessors, (1147), 166 states have return successors, (1171), 1124 states have call predecessors, (1171), 1145 states have call successors, (1171) [2024-11-14 04:02:45,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3304 states to 3304 states and 4870 transitions. [2024-11-14 04:02:45,098 INFO L78 Accepts]: Start accepts. Automaton has 3304 states and 4870 transitions. Word has length 77 [2024-11-14 04:02:45,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:02:45,098 INFO L471 AbstractCegarLoop]: Abstraction has 3304 states and 4870 transitions. [2024-11-14 04:02:45,099 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 04:02:45,099 INFO L276 IsEmpty]: Start isEmpty. Operand 3304 states and 4870 transitions. [2024-11-14 04:02:45,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-14 04:02:45,104 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:02:45,104 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 04:02:45,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-14 04:02:45,104 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 04:02:45,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:02:45,105 INFO L85 PathProgramCache]: Analyzing trace with hash 936786183, now seen corresponding path program 1 times [2024-11-14 04:02:45,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:02:45,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078438218] [2024-11-14 04:02:45,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:02:45,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:02:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:02:47,384 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 04:02:47,385 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:02:47,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078438218] [2024-11-14 04:02:47,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078438218] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:02:47,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:02:47,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:02:47,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931296005] [2024-11-14 04:02:47,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:02:47,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:02:47,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:02:47,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:02:47,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:02:47,386 INFO L87 Difference]: Start difference. First operand 3304 states and 4870 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-14 04:02:49,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:02:51,486 WARN L539 Checker$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 04:02:58,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:02:58,235 INFO L93 Difference]: Finished difference Result 3304 states and 4870 transitions. [2024-11-14 04:02:58,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:02:58,236 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 04:02:58,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:02:58,258 INFO L225 Difference]: With dead ends: 3304 [2024-11-14 04:02:58,258 INFO L226 Difference]: Without dead ends: 3302 [2024-11-14 04:02:58,261 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 04:02:58,262 INFO L432 NwaCegarLoop]: 2272 mSDtfsCounter, 2538 mSDsluCounter, 2271 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2538 SdHoareTripleChecker+Valid, 4543 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2024-11-14 04:02:58,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2538 Valid, 4543 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 584 Invalid, 2 Unknown, 0 Unchecked, 10.6s Time] [2024-11-14 04:02:58,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3302 states. [2024-11-14 04:02:58,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3302 to 3302. [2024-11-14 04:02:58,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3302 states, 1970 states have (on average 1.2944162436548223) internal successors, (2550), 2054 states have internal predecessors, (2550), 1147 states have call successors, (1147), 168 states have call predecessors, (1147), 166 states have return successors, (1171), 1124 states have call predecessors, (1171), 1145 states have call successors, (1171) [2024-11-14 04:02:58,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3302 states to 3302 states and 4868 transitions. [2024-11-14 04:02:58,579 INFO L78 Accepts]: Start accepts. Automaton has 3302 states and 4868 transitions. Word has length 82 [2024-11-14 04:02:58,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:02:58,580 INFO L471 AbstractCegarLoop]: Abstraction has 3302 states and 4868 transitions. [2024-11-14 04:02:58,580 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 04:02:58,580 INFO L276 IsEmpty]: Start isEmpty. Operand 3302 states and 4868 transitions. [2024-11-14 04:02:58,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-14 04:02:58,585 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:02:58,585 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 04:02:58,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-14 04:02:58,585 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-14 04:02:58,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:02:58,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1691473750, now seen corresponding path program 1 times [2024-11-14 04:02:58,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:02:58,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309615354] [2024-11-14 04:02:58,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:02:58,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:03:00,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:03:01,329 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 04:03:01,329 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:03:01,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309615354] [2024-11-14 04:03:01,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309615354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:03:01,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:03:01,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:03:01,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391204570] [2024-11-14 04:03:01,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:03:01,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:03:01,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:03:01,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:03:01,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:03:01,332 INFO L87 Difference]: Start difference. First operand 3302 states and 4868 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-14 04:03:03,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:03:05,432 WARN L539 Checker$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 04:03:12,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:03:12,051 INFO L93 Difference]: Finished difference Result 3302 states and 4868 transitions. [2024-11-14 04:03:12,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:03:12,052 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 04:03:12,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:03:12,072 INFO L225 Difference]: With dead ends: 3302 [2024-11-14 04:03:12,073 INFO L226 Difference]: Without dead ends: 3300 [2024-11-14 04:03:12,076 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 04:03:12,076 INFO L432 NwaCegarLoop]: 2270 mSDtfsCounter, 2534 mSDsluCounter, 2270 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2534 SdHoareTripleChecker+Valid, 4540 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2024-11-14 04:03:12,077 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2534 Valid, 4540 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 583 Invalid, 2 Unknown, 0 Unchecked, 10.4s Time] [2024-11-14 04:03:12,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3300 states. [2024-11-14 04:03:12,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3300 to 3300. [2024-11-14 04:03:12,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3300 states, 1969 states have (on average 1.2940578974098527) internal successors, (2548), 2052 states have internal predecessors, (2548), 1147 states have call successors, (1147), 168 states have call predecessors, (1147), 166 states have return successors, (1171), 1124 states have call predecessors, (1171), 1145 states have call successors, (1171) [2024-11-14 04:03:12,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3300 states to 3300 states and 4866 transitions. [2024-11-14 04:03:12,401 INFO L78 Accepts]: Start accepts. Automaton has 3300 states and 4866 transitions. Word has length 84 [2024-11-14 04:03:12,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:03:12,402 INFO L471 AbstractCegarLoop]: Abstraction has 3300 states and 4866 transitions. [2024-11-14 04:03:12,402 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 04:03:12,402 INFO L276 IsEmpty]: Start isEmpty. Operand 3300 states and 4866 transitions. [2024-11-14 04:03:12,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-14 04:03:12,404 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:03:12,404 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 04:03:12,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-14 04:03:12,404 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-14 04:03:12,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:03:12,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1358415779, now seen corresponding path program 1 times [2024-11-14 04:03:12,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:03:12,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705823870] [2024-11-14 04:03:12,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:03:12,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:03:14,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:03:14,783 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 04:03:14,783 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:03:14,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705823870] [2024-11-14 04:03:14,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705823870] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:03:14,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:03:14,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:03:14,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408685115] [2024-11-14 04:03:14,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:03:14,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:03:14,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:03:14,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:03:14,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:03:14,785 INFO L87 Difference]: Start difference. First operand 3300 states and 4866 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-14 04:03:16,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:03:18,869 WARN L539 Checker$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 04:03:24,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:03:24,274 INFO L93 Difference]: Finished difference Result 3300 states and 4866 transitions. [2024-11-14 04:03:24,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:03:24,276 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 04:03:24,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:03:24,298 INFO L225 Difference]: With dead ends: 3300 [2024-11-14 04:03:24,299 INFO L226 Difference]: Without dead ends: 3298 [2024-11-14 04:03:24,302 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 04:03:24,302 INFO L432 NwaCegarLoop]: 2268 mSDtfsCounter, 2533 mSDsluCounter, 2268 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2533 SdHoareTripleChecker+Valid, 4536 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:03:24,303 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2533 Valid, 4536 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 583 Invalid, 2 Unknown, 0 Unchecked, 9.2s Time] [2024-11-14 04:03:24,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3298 states. [2024-11-14 04:03:24,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3298 to 3298. [2024-11-14 04:03:24,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3298 states, 1968 states have (on average 1.29369918699187) internal successors, (2546), 2050 states have internal predecessors, (2546), 1147 states have call successors, (1147), 168 states have call predecessors, (1147), 166 states have return successors, (1171), 1124 states have call predecessors, (1171), 1145 states have call successors, (1171) [2024-11-14 04:03:24,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3298 states to 3298 states and 4864 transitions. [2024-11-14 04:03:24,663 INFO L78 Accepts]: Start accepts. Automaton has 3298 states and 4864 transitions. Word has length 89 [2024-11-14 04:03:24,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:03:24,664 INFO L471 AbstractCegarLoop]: Abstraction has 3298 states and 4864 transitions. [2024-11-14 04:03:24,665 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 04:03:24,665 INFO L276 IsEmpty]: Start isEmpty. Operand 3298 states and 4864 transitions. [2024-11-14 04:03:24,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-14 04:03:24,669 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:03:24,669 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 04:03:24,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-14 04:03:24,669 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-14 04:03:24,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:03:24,670 INFO L85 PathProgramCache]: Analyzing trace with hash -691817275, now seen corresponding path program 1 times [2024-11-14 04:03:24,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:03:24,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580583120] [2024-11-14 04:03:24,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:03:24,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:03:26,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:03:27,478 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 04:03:27,478 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:03:27,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580583120] [2024-11-14 04:03:27,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580583120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:03:27,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:03:27,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:03:27,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628286028] [2024-11-14 04:03:27,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:03:27,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:03:27,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:03:27,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:03:27,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:03:27,480 INFO L87 Difference]: Start difference. First operand 3298 states and 4864 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-14 04:03:29,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:03:31,594 WARN L539 Checker$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 04:03:37,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:03:37,636 INFO L93 Difference]: Finished difference Result 3298 states and 4864 transitions. [2024-11-14 04:03:37,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:03:37,638 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 04:03:37,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:03:37,655 INFO L225 Difference]: With dead ends: 3298 [2024-11-14 04:03:37,655 INFO L226 Difference]: Without dead ends: 3296 [2024-11-14 04:03:37,658 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 04:03:37,659 INFO L432 NwaCegarLoop]: 2266 mSDtfsCounter, 2530 mSDsluCounter, 2266 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2530 SdHoareTripleChecker+Valid, 4532 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2024-11-14 04:03:37,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2530 Valid, 4532 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 583 Invalid, 2 Unknown, 0 Unchecked, 9.8s Time] [2024-11-14 04:03:37,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3296 states. [2024-11-14 04:03:38,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3296 to 3296. [2024-11-14 04:03:38,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3296 states, 1967 states have (on average 1.29334011184545) internal successors, (2544), 2048 states have internal predecessors, (2544), 1147 states have call successors, (1147), 168 states have call predecessors, (1147), 166 states have return successors, (1171), 1124 states have call predecessors, (1171), 1145 states have call successors, (1171) [2024-11-14 04:03:38,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3296 states to 3296 states and 4862 transitions. [2024-11-14 04:03:38,079 INFO L78 Accepts]: Start accepts. Automaton has 3296 states and 4862 transitions. Word has length 94 [2024-11-14 04:03:38,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:03:38,080 INFO L471 AbstractCegarLoop]: Abstraction has 3296 states and 4862 transitions. [2024-11-14 04:03:38,080 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 04:03:38,080 INFO L276 IsEmpty]: Start isEmpty. Operand 3296 states and 4862 transitions. [2024-11-14 04:03:38,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-14 04:03:38,082 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:03:38,082 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 04:03:38,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-14 04:03:38,082 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-14 04:03:38,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:03:38,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1154653284, now seen corresponding path program 1 times [2024-11-14 04:03:38,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:03:38,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264287796] [2024-11-14 04:03:38,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:03:38,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:03:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:03:40,632 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 04:03:40,632 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:03:40,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264287796] [2024-11-14 04:03:40,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264287796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:03:40,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:03:40,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:03:40,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007992528] [2024-11-14 04:03:40,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:03:40,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:03:40,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:03:40,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:03:40,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:03:40,634 INFO L87 Difference]: Start difference. First operand 3296 states and 4862 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-14 04:03:42,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:03:44,735 WARN L539 Checker$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 04:03:50,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:03:52,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:03:52,339 INFO L93 Difference]: Finished difference Result 3296 states and 4862 transitions. [2024-11-14 04:03:52,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:03:52,341 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 04:03:52,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:03:52,358 INFO L225 Difference]: With dead ends: 3296 [2024-11-14 04:03:52,358 INFO L226 Difference]: Without dead ends: 3294 [2024-11-14 04:03:52,361 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 04:03:52,361 INFO L432 NwaCegarLoop]: 2264 mSDtfsCounter, 2527 mSDsluCounter, 2264 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2527 SdHoareTripleChecker+Valid, 4528 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2024-11-14 04:03:52,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2527 Valid, 4528 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 583 Invalid, 2 Unknown, 0 Unchecked, 11.4s Time] [2024-11-14 04:03:52,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3294 states. [2024-11-14 04:03:52,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3294 to 3294. [2024-11-14 04:03:52,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3294 states, 1966 states have (on average 1.2929806714140386) internal successors, (2542), 2046 states have internal predecessors, (2542), 1147 states have call successors, (1147), 168 states have call predecessors, (1147), 166 states have return successors, (1171), 1124 states have call predecessors, (1171), 1145 states have call successors, (1171) [2024-11-14 04:03:52,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3294 states to 3294 states and 4860 transitions. [2024-11-14 04:03:52,764 INFO L78 Accepts]: Start accepts. Automaton has 3294 states and 4860 transitions. Word has length 99 [2024-11-14 04:03:52,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:03:52,764 INFO L471 AbstractCegarLoop]: Abstraction has 3294 states and 4860 transitions. [2024-11-14 04:03:52,764 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 04:03:52,764 INFO L276 IsEmpty]: Start isEmpty. Operand 3294 states and 4860 transitions. [2024-11-14 04:03:52,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-14 04:03:52,767 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:03:52,767 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:03:52,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-14 04:03:52,767 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-14 04:03:52,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:03:52,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1560203107, now seen corresponding path program 1 times [2024-11-14 04:03:52,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:03:52,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050105808] [2024-11-14 04:03:52,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:03:52,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:03:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:03:55,560 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-14 04:03:55,560 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:03:55,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050105808] [2024-11-14 04:03:55,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050105808] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:03:55,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:03:55,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 04:03:55,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735245043] [2024-11-14 04:03:55,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:03:55,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 04:03:55,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:03:55,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 04:03:55,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:03:55,566 INFO L87 Difference]: Start difference. First operand 3294 states and 4860 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-14 04:03:57,616 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 04:03:59,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:04:01,683 WARN L539 Checker$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 04:04:11,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:04:11,284 INFO L93 Difference]: Finished difference Result 3356 states and 4903 transitions. [2024-11-14 04:04:11,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 04:04:11,286 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 131 [2024-11-14 04:04:11,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:04:11,305 INFO L225 Difference]: With dead ends: 3356 [2024-11-14 04:04:11,305 INFO L226 Difference]: Without dead ends: 3354 [2024-11-14 04:04:11,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 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 04:04:11,309 INFO L432 NwaCegarLoop]: 2260 mSDtfsCounter, 1341 mSDsluCounter, 5581 mSDsCounter, 0 mSdLazyCounter, 1019 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1342 SdHoareTripleChecker+Valid, 7841 SdHoareTripleChecker+Invalid, 1023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1019 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2024-11-14 04:04:11,309 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1342 Valid, 7841 Invalid, 1023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1019 Invalid, 3 Unknown, 0 Unchecked, 15.3s Time] [2024-11-14 04:04:11,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3354 states. [2024-11-14 04:04:11,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3354 to 3354. [2024-11-14 04:04:11,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3354 states, 1996 states have (on average 1.2875751503006012) internal successors, (2570), 2075 states have internal predecessors, (2570), 1153 states have call successors, (1153), 193 states have call predecessors, (1153), 191 states have return successors, (1177), 1130 states have call predecessors, (1177), 1151 states have call successors, (1177) [2024-11-14 04:04:11,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3354 states to 3354 states and 4900 transitions. [2024-11-14 04:04:11,691 INFO L78 Accepts]: Start accepts. Automaton has 3354 states and 4900 transitions. Word has length 131 [2024-11-14 04:04:11,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:04:11,691 INFO L471 AbstractCegarLoop]: Abstraction has 3354 states and 4900 transitions. [2024-11-14 04:04:11,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-14 04:04:11,692 INFO L276 IsEmpty]: Start isEmpty. Operand 3354 states and 4900 transitions. [2024-11-14 04:04:11,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-14 04:04:11,694 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:04:11,694 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 04:04:11,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-14 04:04:11,695 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-14 04:04:11,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:04:11,695 INFO L85 PathProgramCache]: Analyzing trace with hash 611137509, now seen corresponding path program 1 times [2024-11-14 04:04:11,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:04:11,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129568573] [2024-11-14 04:04:11,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:04:11,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:04:13,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:04:13,944 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 04:04:13,944 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:04:13,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129568573] [2024-11-14 04:04:13,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129568573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:04:13,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:04:13,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:04:13,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620598054] [2024-11-14 04:04:13,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:04:13,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:04:13,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:04:13,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:04:13,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:04:13,947 INFO L87 Difference]: Start difference. First operand 3354 states and 4900 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-14 04:04:16,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:04:18,039 WARN L539 Checker$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 04:04:23,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:04:23,449 INFO L93 Difference]: Finished difference Result 3354 states and 4900 transitions. [2024-11-14 04:04:23,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:04:23,450 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 04:04:23,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:04:23,470 INFO L225 Difference]: With dead ends: 3354 [2024-11-14 04:04:23,470 INFO L226 Difference]: Without dead ends: 3352 [2024-11-14 04:04:23,474 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 04:04:23,474 INFO L432 NwaCegarLoop]: 2260 mSDtfsCounter, 2522 mSDsluCounter, 2260 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2522 SdHoareTripleChecker+Valid, 4520 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:04:23,475 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2522 Valid, 4520 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 583 Invalid, 2 Unknown, 0 Unchecked, 9.2s Time] [2024-11-14 04:04:23,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3352 states. [2024-11-14 04:04:24,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3352 to 3352. [2024-11-14 04:04:24,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3352 states, 1995 states have (on average 1.287218045112782) internal successors, (2568), 2073 states have internal predecessors, (2568), 1153 states have call successors, (1153), 193 states have call predecessors, (1153), 191 states have return successors, (1177), 1130 states have call predecessors, (1177), 1151 states have call successors, (1177) [2024-11-14 04:04:24,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3352 states to 3352 states and 4898 transitions. [2024-11-14 04:04:24,045 INFO L78 Accepts]: Start accepts. Automaton has 3352 states and 4898 transitions. Word has length 104 [2024-11-14 04:04:24,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:04:24,046 INFO L471 AbstractCegarLoop]: Abstraction has 3352 states and 4898 transitions. [2024-11-14 04:04:24,047 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 04:04:24,047 INFO L276 IsEmpty]: Start isEmpty. Operand 3352 states and 4898 transitions. [2024-11-14 04:04:24,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-14 04:04:24,050 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:04:24,051 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:04:24,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-14 04:04:24,051 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-14 04:04:24,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:04:24,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1131219110, now seen corresponding path program 1 times [2024-11-14 04:04:24,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:04:24,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691873055] [2024-11-14 04:04:24,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:04:24,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:04:26,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:04:29,901 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-11-14 04:04:29,901 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:04:29,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691873055] [2024-11-14 04:04:29,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691873055] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:04:29,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548271123] [2024-11-14 04:04:29,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:04:29,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:04:29,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1beceff-ad27-45ad-8f8f-d3113b98eea5/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:04:29,905 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1beceff-ad27-45ad-8f8f-d3113b98eea5/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:04:29,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1beceff-ad27-45ad-8f8f-d3113b98eea5/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 04:04:33,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:04:33,564 INFO L255 TraceCheckSpWp]: Trace formula consists of 3699 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-14 04:04:33,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:04:35,059 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-11-14 04:04:35,059 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:04:35,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1548271123] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:04:35,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 04:04:35,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [9] total 17 [2024-11-14 04:04:35,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464506624] [2024-11-14 04:04:35,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:04:35,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-14 04:04:35,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:04:35,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-14 04:04:35,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=240, Unknown=0, NotChecked=0, Total=272 [2024-11-14 04:04:35,062 INFO L87 Difference]: Start difference. First operand 3352 states and 4898 transitions. Second operand has 12 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 6 states have call successors, (23), 2 states have call predecessors, (23), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) [2024-11-14 04:04:37,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:04:39,149 WARN L539 Checker$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 04:04:41,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:04:43,241 WARN L539 Checker$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 04:04:45,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:04:47,318 WARN L539 Checker$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 04:04:49,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:04:51,430 WARN L539 Checker$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 04:04:53,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:04:55,488 WARN L539 Checker$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 04:04:57,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:05:24,538 WARN L539 Checker$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 04:05:34,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:05:34,508 INFO L93 Difference]: Finished difference Result 6780 states and 9906 transitions. [2024-11-14 04:05:34,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-14 04:05:34,510 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 6 states have call successors, (23), 2 states have call predecessors, (23), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) Word has length 120 [2024-11-14 04:05:34,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:05:34,532 INFO L225 Difference]: With dead ends: 6780 [2024-11-14 04:05:34,532 INFO L226 Difference]: Without dead ends: 3442 [2024-11-14 04:05:34,548 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2024-11-14 04:05:34,549 INFO L432 NwaCegarLoop]: 2262 mSDtfsCounter, 17 mSDsluCounter, 22538 mSDsCounter, 0 mSdLazyCounter, 3665 mSolverCounterSat, 4 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 24800 SdHoareTripleChecker+Invalid, 3681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3665 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:05:34,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 24800 Invalid, 3681 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 3665 Invalid, 12 Unknown, 0 Unchecked, 58.2s Time] [2024-11-14 04:05:34,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3442 states. [2024-11-14 04:05:35,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3442 to 3380. [2024-11-14 04:05:35,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3380 states, 2013 states have (on average 1.2846497764530551) internal successors, (2586), 2091 states have internal predecessors, (2586), 1161 states have call successors, (1161), 193 states have call predecessors, (1161), 193 states have return successors, (1189), 1140 states have call predecessors, (1189), 1159 states have call successors, (1189) [2024-11-14 04:05:35,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3380 states to 3380 states and 4936 transitions. [2024-11-14 04:05:35,046 INFO L78 Accepts]: Start accepts. Automaton has 3380 states and 4936 transitions. Word has length 120 [2024-11-14 04:05:35,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:05:35,046 INFO L471 AbstractCegarLoop]: Abstraction has 3380 states and 4936 transitions. [2024-11-14 04:05:35,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 6 states have call successors, (23), 2 states have call predecessors, (23), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) [2024-11-14 04:05:35,047 INFO L276 IsEmpty]: Start isEmpty. Operand 3380 states and 4936 transitions. [2024-11-14 04:05:35,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-14 04:05:35,049 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:05:35,049 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 04:05:35,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1beceff-ad27-45ad-8f8f-d3113b98eea5/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-14 04:05:35,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1beceff-ad27-45ad-8f8f-d3113b98eea5/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-14 04:05:35,254 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-14 04:05:35,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:05:35,255 INFO L85 PathProgramCache]: Analyzing trace with hash -315452603, now seen corresponding path program 1 times [2024-11-14 04:05:35,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:05:35,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995155326] [2024-11-14 04:05:35,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:05:35,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:05:37,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:05:37,889 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 04:05:37,889 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:05:37,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995155326] [2024-11-14 04:05:37,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995155326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:05:37,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:05:37,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:05:37,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684747601] [2024-11-14 04:05:37,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:05:37,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:05:37,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:05:37,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:05:37,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:05:37,890 INFO L87 Difference]: Start difference. First operand 3380 states and 4936 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-14 04:05:39,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:05:41,988 WARN L539 Checker$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 04:05:48,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:05:48,108 INFO L93 Difference]: Finished difference Result 3380 states and 4936 transitions. [2024-11-14 04:05:48,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:05:48,109 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 04:05:48,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:05:48,126 INFO L225 Difference]: With dead ends: 3380 [2024-11-14 04:05:48,126 INFO L226 Difference]: Without dead ends: 3378 [2024-11-14 04:05:48,129 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 04:05:48,130 INFO L432 NwaCegarLoop]: 2258 mSDtfsCounter, 2519 mSDsluCounter, 2258 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2519 SdHoareTripleChecker+Valid, 4516 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2024-11-14 04:05:48,130 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2519 Valid, 4516 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 583 Invalid, 2 Unknown, 0 Unchecked, 9.8s Time] [2024-11-14 04:05:48,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3378 states. [2024-11-14 04:05:48,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3378 to 3378. [2024-11-14 04:05:48,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3378 states, 2012 states have (on average 1.2842942345924453) internal successors, (2584), 2089 states have internal predecessors, (2584), 1161 states have call successors, (1161), 193 states have call predecessors, (1161), 193 states have return successors, (1189), 1140 states have call predecessors, (1189), 1159 states have call successors, (1189) [2024-11-14 04:05:48,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3378 states to 3378 states and 4934 transitions. [2024-11-14 04:05:48,724 INFO L78 Accepts]: Start accepts. Automaton has 3378 states and 4934 transitions. Word has length 109 [2024-11-14 04:05:48,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:05:48,724 INFO L471 AbstractCegarLoop]: Abstraction has 3378 states and 4934 transitions. [2024-11-14 04:05:48,725 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 04:05:48,725 INFO L276 IsEmpty]: Start isEmpty. Operand 3378 states and 4934 transitions. [2024-11-14 04:05:48,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-14 04:05:48,727 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:05:48,727 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 04:05:48,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-14 04:05:48,727 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-14 04:05:48,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:05:48,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1940307412, now seen corresponding path program 1 times [2024-11-14 04:05:48,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:05:48,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540837293] [2024-11-14 04:05:48,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:05:48,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:05:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:05:51,424 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 04:05:51,424 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:05:51,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540837293] [2024-11-14 04:05:51,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540837293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:05:51,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:05:51,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:05:51,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008355950] [2024-11-14 04:05:51,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:05:51,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:05:51,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:05:51,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:05:51,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:05:51,428 INFO L87 Difference]: Start difference. First operand 3378 states and 4934 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-14 04:05:53,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:05:55,529 WARN L539 Checker$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 04:06:02,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:06:02,303 INFO L93 Difference]: Finished difference Result 3378 states and 4934 transitions. [2024-11-14 04:06:02,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:06:02,304 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 04:06:02,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:06:02,318 INFO L225 Difference]: With dead ends: 3378 [2024-11-14 04:06:02,318 INFO L226 Difference]: Without dead ends: 3376 [2024-11-14 04:06:02,320 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 04:06:02,320 INFO L432 NwaCegarLoop]: 2256 mSDtfsCounter, 2516 mSDsluCounter, 2256 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2516 SdHoareTripleChecker+Valid, 4512 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2024-11-14 04:06:02,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2516 Valid, 4512 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 583 Invalid, 2 Unknown, 0 Unchecked, 10.4s Time] [2024-11-14 04:06:02,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3376 states. [2024-11-14 04:06:02,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3376 to 3376. [2024-11-14 04:06:02,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3376 states, 2011 states have (on average 1.2839383391347587) internal successors, (2582), 2087 states have internal predecessors, (2582), 1161 states have call successors, (1161), 193 states have call predecessors, (1161), 193 states have return successors, (1189), 1140 states have call predecessors, (1189), 1159 states have call successors, (1189) [2024-11-14 04:06:02,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3376 states to 3376 states and 4932 transitions. [2024-11-14 04:06:02,685 INFO L78 Accepts]: Start accepts. Automaton has 3376 states and 4932 transitions. Word has length 114 [2024-11-14 04:06:02,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:06:02,686 INFO L471 AbstractCegarLoop]: Abstraction has 3376 states and 4932 transitions. [2024-11-14 04:06:02,686 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 04:06:02,686 INFO L276 IsEmpty]: Start isEmpty. Operand 3376 states and 4932 transitions. [2024-11-14 04:06:02,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-14 04:06:02,689 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:06:02,689 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:06:02,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-14 04:06:02,690 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-14 04:06:02,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:06:02,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1096850776, now seen corresponding path program 1 times [2024-11-14 04:06:02,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:06:02,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988372128] [2024-11-14 04:06:02,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:06:02,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:06:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:06:07,920 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-11-14 04:06:07,920 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:06:07,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988372128] [2024-11-14 04:06:07,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988372128] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:06:07,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [744934913] [2024-11-14 04:06:07,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:06:07,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:06:07,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1beceff-ad27-45ad-8f8f-d3113b98eea5/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:06:07,924 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1beceff-ad27-45ad-8f8f-d3113b98eea5/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:06:07,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1beceff-ad27-45ad-8f8f-d3113b98eea5/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-14 04:06:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:06:11,610 INFO L255 TraceCheckSpWp]: Trace formula consists of 3721 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-14 04:06:11,616 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:06:13,156 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-11-14 04:06:13,156 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:06:13,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [744934913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:06:13,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 04:06:13,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [9] total 18 [2024-11-14 04:06:13,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935766596] [2024-11-14 04:06:13,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:06:13,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-14 04:06:13,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:06:13,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-14 04:06:13,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=272, Unknown=0, NotChecked=0, Total=306 [2024-11-14 04:06:13,159 INFO L87 Difference]: Start difference. First operand 3376 states and 4932 transitions. Second operand has 13 states, 10 states have (on average 5.4) internal successors, (54), 11 states have internal predecessors, (54), 7 states have call successors, (24), 2 states have call predecessors, (24), 5 states have return successors, (22), 8 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-14 04:06:15,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:06:17,244 WARN L539 Checker$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 04:06:19,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:06:21,342 WARN L539 Checker$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 04:06:23,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:06:25,412 WARN L539 Checker$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 04:06:27,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:06:29,489 WARN L539 Checker$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 04:06:31,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:06:33,560 WARN L539 Checker$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 04:06:35,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:06:37,643 WARN L539 Checker$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 04:07:05,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:07:07,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:07:19,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:07:19,036 INFO L93 Difference]: Finished difference Result 6865 states and 10029 transitions. [2024-11-14 04:07:19,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-14 04:07:19,038 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 5.4) internal successors, (54), 11 states have internal predecessors, (54), 7 states have call successors, (24), 2 states have call predecessors, (24), 5 states have return successors, (22), 8 states have call predecessors, (22), 7 states have call successors, (22) Word has length 126 [2024-11-14 04:07:19,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:07:19,061 INFO L225 Difference]: With dead ends: 6865 [2024-11-14 04:07:19,061 INFO L226 Difference]: Without dead ends: 3503 [2024-11-14 04:07:19,080 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=61, Invalid=491, Unknown=0, NotChecked=0, Total=552 [2024-11-14 04:07:19,081 INFO L432 NwaCegarLoop]: 2268 mSDtfsCounter, 25 mSDsluCounter, 24849 mSDsCounter, 0 mSdLazyCounter, 3990 mSolverCounterSat, 9 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 62.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 27117 SdHoareTripleChecker+Invalid, 4011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 3990 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 64.3s IncrementalHoareTripleChecker+Time [2024-11-14 04:07:19,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 27117 Invalid, 4011 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 3990 Invalid, 12 Unknown, 0 Unchecked, 64.3s Time] [2024-11-14 04:07:19,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3503 states. [2024-11-14 04:07:19,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3503 to 3397. [2024-11-14 04:07:19,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3397 states, 2024 states have (on average 1.282114624505929) internal successors, (2595), 2101 states have internal predecessors, (2595), 1168 states have call successors, (1168), 193 states have call predecessors, (1168), 194 states have return successors, (1200), 1147 states have call predecessors, (1200), 1166 states have call successors, (1200) [2024-11-14 04:07:19,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3397 states to 3397 states and 4963 transitions. [2024-11-14 04:07:19,669 INFO L78 Accepts]: Start accepts. Automaton has 3397 states and 4963 transitions. Word has length 126 [2024-11-14 04:07:19,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:07:19,669 INFO L471 AbstractCegarLoop]: Abstraction has 3397 states and 4963 transitions. [2024-11-14 04:07:19,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 5.4) internal successors, (54), 11 states have internal predecessors, (54), 7 states have call successors, (24), 2 states have call predecessors, (24), 5 states have return successors, (22), 8 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-14 04:07:19,673 INFO L276 IsEmpty]: Start isEmpty. Operand 3397 states and 4963 transitions. [2024-11-14 04:07:19,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-14 04:07:19,679 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:07:19,679 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 04:07:19,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1beceff-ad27-45ad-8f8f-d3113b98eea5/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-14 04:07:19,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1beceff-ad27-45ad-8f8f-d3113b98eea5/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:07:19,879 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-14 04:07:19,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:07:19,880 INFO L85 PathProgramCache]: Analyzing trace with hash 640975136, now seen corresponding path program 1 times [2024-11-14 04:07:19,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:07:19,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526538007] [2024-11-14 04:07:19,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:07:19,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:07:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:07:22,634 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 04:07:22,634 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:07:22,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526538007] [2024-11-14 04:07:22,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526538007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:07:22,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:07:22,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:07:22,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135222443] [2024-11-14 04:07:22,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:07:22,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:07:22,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:07:22,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:07:22,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:07:22,637 INFO L87 Difference]: Start difference. First operand 3397 states and 4963 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-14 04:07:24,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:07:26,732 WARN L539 Checker$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 04:07:32,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:07:32,549 INFO L93 Difference]: Finished difference Result 3397 states and 4963 transitions. [2024-11-14 04:07:32,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:07:32,550 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 04:07:32,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:07:32,567 INFO L225 Difference]: With dead ends: 3397 [2024-11-14 04:07:32,567 INFO L226 Difference]: Without dead ends: 3395 [2024-11-14 04:07:32,570 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 04:07:32,571 INFO L432 NwaCegarLoop]: 2254 mSDtfsCounter, 2513 mSDsluCounter, 2254 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2513 SdHoareTripleChecker+Valid, 4508 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2024-11-14 04:07:32,571 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2513 Valid, 4508 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 583 Invalid, 2 Unknown, 0 Unchecked, 9.4s Time] [2024-11-14 04:07:32,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3395 states. [2024-11-14 04:07:33,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3395 to 3395. [2024-11-14 04:07:33,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3395 states, 2023 states have (on average 1.2817597627286208) internal successors, (2593), 2099 states have internal predecessors, (2593), 1168 states have call successors, (1168), 193 states have call predecessors, (1168), 194 states have return successors, (1200), 1147 states have call predecessors, (1200), 1166 states have call successors, (1200) [2024-11-14 04:07:33,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3395 states to 3395 states and 4961 transitions. [2024-11-14 04:07:33,160 INFO L78 Accepts]: Start accepts. Automaton has 3395 states and 4961 transitions. Word has length 119 [2024-11-14 04:07:33,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:07:33,161 INFO L471 AbstractCegarLoop]: Abstraction has 3395 states and 4961 transitions. [2024-11-14 04:07:33,161 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 04:07:33,161 INFO L276 IsEmpty]: Start isEmpty. Operand 3395 states and 4961 transitions. [2024-11-14 04:07:33,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-14 04:07:33,163 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:07:33,163 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 04:07:33,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-14 04:07:33,164 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-14 04:07:33,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:07:33,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1467461301, now seen corresponding path program 1 times [2024-11-14 04:07:33,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:07:33,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299183853] [2024-11-14 04:07:33,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:07:33,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:07:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:07:35,633 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 04:07:35,633 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:07:35,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299183853] [2024-11-14 04:07:35,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299183853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:07:35,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:07:35,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:07:35,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265340190] [2024-11-14 04:07:35,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:07:35,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:07:35,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:07:35,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:07:35,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:07:35,635 INFO L87 Difference]: Start difference. First operand 3395 states and 4961 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-14 04:07:37,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:07:39,743 WARN L539 Checker$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 04:07:46,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:07:47,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:07:47,835 INFO L93 Difference]: Finished difference Result 3395 states and 4961 transitions. [2024-11-14 04:07:47,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:07:47,837 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 04:07:47,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:07:47,850 INFO L225 Difference]: With dead ends: 3395 [2024-11-14 04:07:47,850 INFO L226 Difference]: Without dead ends: 3393 [2024-11-14 04:07:47,852 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 04:07:47,857 INFO L432 NwaCegarLoop]: 2252 mSDtfsCounter, 2510 mSDsluCounter, 2252 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2510 SdHoareTripleChecker+Valid, 4504 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2024-11-14 04:07:47,857 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2510 Valid, 4504 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 583 Invalid, 2 Unknown, 0 Unchecked, 11.5s Time] [2024-11-14 04:07:47,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3393 states. [2024-11-14 04:07:48,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3393 to 3393. [2024-11-14 04:07:48,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3393 states, 2022 states have (on average 1.281404549950544) internal successors, (2591), 2097 states have internal predecessors, (2591), 1168 states have call successors, (1168), 193 states have call predecessors, (1168), 194 states have return successors, (1200), 1147 states have call predecessors, (1200), 1166 states have call successors, (1200) [2024-11-14 04:07:48,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3393 states to 3393 states and 4959 transitions. [2024-11-14 04:07:48,270 INFO L78 Accepts]: Start accepts. Automaton has 3393 states and 4959 transitions. Word has length 124 [2024-11-14 04:07:48,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:07:48,270 INFO L471 AbstractCegarLoop]: Abstraction has 3393 states and 4959 transitions. [2024-11-14 04:07:48,271 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 04:07:48,271 INFO L276 IsEmpty]: Start isEmpty. Operand 3393 states and 4959 transitions. [2024-11-14 04:07:48,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-14 04:07:48,273 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:07:48,273 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 04:07:48,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-14 04:07:48,273 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-14 04:07:48,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:07:48,274 INFO L85 PathProgramCache]: Analyzing trace with hash 886408007, now seen corresponding path program 1 times [2024-11-14 04:07:48,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:07:48,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425011455] [2024-11-14 04:07:48,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:07:48,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:07:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:07:50,594 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 04:07:50,594 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:07:50,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425011455] [2024-11-14 04:07:50,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425011455] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:07:50,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:07:50,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:07:50,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481591835] [2024-11-14 04:07:50,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:07:50,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:07:50,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:07:50,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:07:50,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:07:50,596 INFO L87 Difference]: Start difference. First operand 3393 states and 4959 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-14 04:07:52,642 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 04:07:54,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:08:00,429 WARN L539 Checker$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 04:08:02,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:08:02,684 INFO L93 Difference]: Finished difference Result 3393 states and 4959 transitions. [2024-11-14 04:08:02,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:08:02,686 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 04:08:02,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:08:02,697 INFO L225 Difference]: With dead ends: 3393 [2024-11-14 04:08:02,697 INFO L226 Difference]: Without dead ends: 3391 [2024-11-14 04:08:02,698 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 04:08:02,699 INFO L432 NwaCegarLoop]: 2250 mSDtfsCounter, 2507 mSDsluCounter, 2250 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2507 SdHoareTripleChecker+Valid, 4500 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2024-11-14 04:08:02,699 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2507 Valid, 4500 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 582 Invalid, 3 Unknown, 0 Unchecked, 11.6s Time] [2024-11-14 04:08:02,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3391 states. [2024-11-14 04:08:03,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3391 to 3391. [2024-11-14 04:08:03,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3391 states, 2021 states have (on average 1.281048985650668) internal successors, (2589), 2095 states have internal predecessors, (2589), 1168 states have call successors, (1168), 193 states have call predecessors, (1168), 194 states have return successors, (1200), 1147 states have call predecessors, (1200), 1166 states have call successors, (1200) [2024-11-14 04:08:03,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3391 states to 3391 states and 4957 transitions. [2024-11-14 04:08:03,042 INFO L78 Accepts]: Start accepts. Automaton has 3391 states and 4957 transitions. Word has length 129 [2024-11-14 04:08:03,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:08:03,043 INFO L471 AbstractCegarLoop]: Abstraction has 3391 states and 4957 transitions. [2024-11-14 04:08:03,043 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 04:08:03,043 INFO L276 IsEmpty]: Start isEmpty. Operand 3391 states and 4957 transitions. [2024-11-14 04:08:03,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-14 04:08:03,044 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:08:03,045 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 04:08:03,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-14 04:08:03,045 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-14 04:08:03,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:08:03,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1595289449, now seen corresponding path program 1 times [2024-11-14 04:08:03,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:08:03,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354873542] [2024-11-14 04:08:03,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:08:03,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:08:04,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:08:05,292 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 04:08:05,292 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:08:05,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354873542] [2024-11-14 04:08:05,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354873542] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:08:05,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:08:05,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:08:05,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098723151] [2024-11-14 04:08:05,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:08:05,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:08:05,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:08:05,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:08:05,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:08:05,294 INFO L87 Difference]: Start difference. First operand 3391 states and 4957 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-14 04:08:07,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:08:09,382 WARN L539 Checker$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 04:08:16,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:08:16,296 INFO L93 Difference]: Finished difference Result 3391 states and 4957 transitions. [2024-11-14 04:08:16,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:08:16,297 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 04:08:16,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:08:16,308 INFO L225 Difference]: With dead ends: 3391 [2024-11-14 04:08:16,308 INFO L226 Difference]: Without dead ends: 3389 [2024-11-14 04:08:16,310 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 04:08:16,310 INFO L432 NwaCegarLoop]: 2248 mSDtfsCounter, 2504 mSDsluCounter, 2248 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2504 SdHoareTripleChecker+Valid, 4496 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2024-11-14 04:08:16,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2504 Valid, 4496 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 583 Invalid, 2 Unknown, 0 Unchecked, 10.4s Time] [2024-11-14 04:08:16,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3389 states. [2024-11-14 04:08:16,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3389 to 3389. [2024-11-14 04:08:16,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3389 states, 2020 states have (on average 1.2806930693069307) internal successors, (2587), 2093 states have internal predecessors, (2587), 1168 states have call successors, (1168), 193 states have call predecessors, (1168), 194 states have return successors, (1200), 1147 states have call predecessors, (1200), 1166 states have call successors, (1200) [2024-11-14 04:08:16,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3389 states to 3389 states and 4955 transitions. [2024-11-14 04:08:16,822 INFO L78 Accepts]: Start accepts. Automaton has 3389 states and 4955 transitions. Word has length 134 [2024-11-14 04:08:16,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:08:16,823 INFO L471 AbstractCegarLoop]: Abstraction has 3389 states and 4955 transitions. [2024-11-14 04:08:16,823 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 04:08:16,824 INFO L276 IsEmpty]: Start isEmpty. Operand 3389 states and 4955 transitions. [2024-11-14 04:08:16,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-14 04:08:16,826 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:08:16,826 INFO L215 NwaCegarLoop]: trace histogram [8, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:08:16,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-14 04:08:16,826 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-14 04:08:16,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:08:16,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1977855148, now seen corresponding path program 1 times [2024-11-14 04:08:16,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:08:16,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865151916] [2024-11-14 04:08:16,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:08:16,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:08:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:08:20,144 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-11-14 04:08:20,145 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:08:20,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865151916] [2024-11-14 04:08:20,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865151916] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:08:20,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1157399113] [2024-11-14 04:08:20,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:08:20,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:08:20,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1beceff-ad27-45ad-8f8f-d3113b98eea5/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:08:20,148 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1beceff-ad27-45ad-8f8f-d3113b98eea5/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:08:20,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1beceff-ad27-45ad-8f8f-d3113b98eea5/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 04:08:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:08:24,233 INFO L255 TraceCheckSpWp]: Trace formula consists of 3974 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-14 04:08:24,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:08:25,309 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 51 proven. 2 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2024-11-14 04:08:25,310 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:08:27,836 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-11-14 04:08:27,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1157399113] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:08:27,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2078040908] [2024-11-14 04:08:27,868 INFO L159 IcfgInterpreter]: Started Sifa with 86 locations of interest [2024-11-14 04:08:27,869 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:08:27,872 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:08:27,877 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:08:27,878 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs