./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--hid--hid-wiimote.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bbb4c890fadad0417fec53c1fd92092974d9fa843199f98b4f7f294d4c4112c7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 02:29:58,733 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:29:58,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:29:58,775 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:29:58,775 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:29:58,779 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:29:58,782 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:29:58,785 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:29:58,788 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:29:58,794 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:29:58,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:29:58,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:29:58,798 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:29:58,801 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:29:58,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:29:58,805 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:29:58,807 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:29:58,808 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:29:58,810 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:29:58,818 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:29:58,820 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:29:58,823 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:29:58,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:29:58,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:29:58,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:29:58,836 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:29:58,836 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:29:58,839 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:29:58,839 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:29:58,840 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:29:58,841 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:29:58,842 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:29:58,844 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:29:58,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:29:58,848 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:29:58,849 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:29:58,849 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:29:58,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:29:58,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:29:58,852 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:29:58,853 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:29:58,853 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 02:29:58,903 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:29:58,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:29:58,904 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:29:58,904 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:29:58,905 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:29:58,906 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:29:58,906 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:29:58,906 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:29:58,906 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:29:58,907 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:29:58,908 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:29:58,908 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:29:58,908 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:29:58,908 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:29:58,909 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:29:58,909 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:29:58,909 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:29:58,909 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:29:58,910 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:29:58,910 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:29:58,911 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:29:58,911 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:29:58,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:29:58,911 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:29:58,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:29:58,912 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:29:58,912 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:29:58,913 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:29:58,913 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:29:58,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:29:58,913 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:29:58,914 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:29:58,914 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:29:58,914 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:29:58,914 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:29:58,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:29:58,915 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:29:58,915 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:29:58,915 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/bin/utaipan-g80aRyZoba/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bbb4c890fadad0417fec53c1fd92092974d9fa843199f98b4f7f294d4c4112c7 [2022-11-22 02:29:59,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:29:59,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:29:59,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:29:59,223 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:29:59,223 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:29:59,225 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i [2022-11-22 02:30:02,424 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:30:03,356 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:30:03,357 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i [2022-11-22 02:30:03,439 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/bin/utaipan-g80aRyZoba/data/52328590b/e2ba1215973842c583c9e1d0316ce348/FLAG58e2e6510 [2022-11-22 02:30:03,459 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/bin/utaipan-g80aRyZoba/data/52328590b/e2ba1215973842c583c9e1d0316ce348 [2022-11-22 02:30:03,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:30:03,468 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:30:03,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:30:03,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:30:03,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:30:03,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:30:03" (1/1) ... [2022-11-22 02:30:03,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@619e4d30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:30:03, skipping insertion in model container [2022-11-22 02:30:03,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:30:03" (1/1) ... [2022-11-22 02:30:03,489 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:30:03,809 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:30:15,021 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914081,914094] [2022-11-22 02:30:15,025 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914226,914239] [2022-11-22 02:30:15,026 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914372,914385] [2022-11-22 02:30:15,026 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914537,914550] [2022-11-22 02:30:15,027 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914695,914708] [2022-11-22 02:30:15,028 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914853,914866] [2022-11-22 02:30:15,028 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915011,915024] [2022-11-22 02:30:15,029 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915171,915184] [2022-11-22 02:30:15,029 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915330,915343] [2022-11-22 02:30:15,030 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915469,915482] [2022-11-22 02:30:15,030 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915611,915624] [2022-11-22 02:30:15,031 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915760,915773] [2022-11-22 02:30:15,031 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915899,915912] [2022-11-22 02:30:15,032 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916054,916067] [2022-11-22 02:30:15,032 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916214,916227] [2022-11-22 02:30:15,033 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916365,916378] [2022-11-22 02:30:15,033 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916516,916529] [2022-11-22 02:30:15,034 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916668,916681] [2022-11-22 02:30:15,034 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916817,916830] [2022-11-22 02:30:15,035 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916965,916978] [2022-11-22 02:30:15,035 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917122,917135] [2022-11-22 02:30:15,036 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917271,917284] [2022-11-22 02:30:15,036 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917427,917440] [2022-11-22 02:30:15,037 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917580,917593] [2022-11-22 02:30:15,037 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917726,917739] [2022-11-22 02:30:15,038 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917869,917882] [2022-11-22 02:30:15,039 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918021,918034] [2022-11-22 02:30:15,039 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918167,918180] [2022-11-22 02:30:15,039 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918312,918325] [2022-11-22 02:30:15,040 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918466,918479] [2022-11-22 02:30:15,040 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918617,918630] [2022-11-22 02:30:15,041 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918772,918785] [2022-11-22 02:30:15,041 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918924,918937] [2022-11-22 02:30:15,042 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919079,919092] [2022-11-22 02:30:15,042 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919243,919256] [2022-11-22 02:30:15,043 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919399,919412] [2022-11-22 02:30:15,043 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919563,919576] [2022-11-22 02:30:15,044 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919705,919718] [2022-11-22 02:30:15,044 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919863,919876] [2022-11-22 02:30:15,045 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920030,920043] [2022-11-22 02:30:15,045 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920189,920202] [2022-11-22 02:30:15,046 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920348,920361] [2022-11-22 02:30:15,046 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920497,920510] [2022-11-22 02:30:15,047 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920644,920657] [2022-11-22 02:30:15,047 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920783,920796] [2022-11-22 02:30:15,047 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920946,920959] [2022-11-22 02:30:15,048 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921112,921125] [2022-11-22 02:30:15,048 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921276,921289] [2022-11-22 02:30:15,049 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921441,921454] [2022-11-22 02:30:15,049 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921606,921619] [2022-11-22 02:30:15,050 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921772,921785] [2022-11-22 02:30:15,050 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921937,921950] [2022-11-22 02:30:15,051 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922104,922117] [2022-11-22 02:30:15,051 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922264,922277] [2022-11-22 02:30:15,052 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922426,922439] [2022-11-22 02:30:15,052 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922585,922598] [2022-11-22 02:30:15,052 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922731,922744] [2022-11-22 02:30:15,053 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922874,922887] [2022-11-22 02:30:15,053 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923018,923031] [2022-11-22 02:30:15,054 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923161,923174] [2022-11-22 02:30:15,054 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923305,923318] [2022-11-22 02:30:15,055 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923446,923459] [2022-11-22 02:30:15,055 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923584,923597] [2022-11-22 02:30:15,056 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923742,923755] [2022-11-22 02:30:15,056 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923901,923914] [2022-11-22 02:30:15,057 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924057,924070] [2022-11-22 02:30:15,057 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924206,924219] [2022-11-22 02:30:15,058 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924358,924371] [2022-11-22 02:30:15,058 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924509,924522] [2022-11-22 02:30:15,059 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924658,924671] [2022-11-22 02:30:15,059 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924810,924823] [2022-11-22 02:30:15,060 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924958,924971] [2022-11-22 02:30:15,060 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925111,925124] [2022-11-22 02:30:15,061 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925262,925275] [2022-11-22 02:30:15,061 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925412,925425] [2022-11-22 02:30:15,062 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925559,925572] [2022-11-22 02:30:15,062 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925710,925723] [2022-11-22 02:30:15,063 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925861,925874] [2022-11-22 02:30:15,063 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926009,926022] [2022-11-22 02:30:15,064 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926175,926188] [2022-11-22 02:30:15,064 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926344,926357] [2022-11-22 02:30:15,065 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926511,926524] [2022-11-22 02:30:15,065 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926679,926692] [2022-11-22 02:30:15,066 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926829,926842] [2022-11-22 02:30:15,066 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926976,926989] [2022-11-22 02:30:15,067 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[927137,927150] [2022-11-22 02:30:15,067 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[927307,927320] [2022-11-22 02:30:15,068 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[927469,927482] [2022-11-22 02:30:15,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:30:15,131 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:30:16,397 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914081,914094] [2022-11-22 02:30:16,403 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914226,914239] [2022-11-22 02:30:16,404 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914372,914385] [2022-11-22 02:30:16,405 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914537,914550] [2022-11-22 02:30:16,406 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914695,914708] [2022-11-22 02:30:16,406 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914853,914866] [2022-11-22 02:30:16,407 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915011,915024] [2022-11-22 02:30:16,407 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915171,915184] [2022-11-22 02:30:16,408 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915330,915343] [2022-11-22 02:30:16,408 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915469,915482] [2022-11-22 02:30:16,409 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915611,915624] [2022-11-22 02:30:16,409 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915760,915773] [2022-11-22 02:30:16,409 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915899,915912] [2022-11-22 02:30:16,410 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916054,916067] [2022-11-22 02:30:16,410 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916214,916227] [2022-11-22 02:30:16,411 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916365,916378] [2022-11-22 02:30:16,412 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916516,916529] [2022-11-22 02:30:16,413 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916668,916681] [2022-11-22 02:30:16,413 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916817,916830] [2022-11-22 02:30:16,414 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916965,916978] [2022-11-22 02:30:16,414 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917122,917135] [2022-11-22 02:30:16,415 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917271,917284] [2022-11-22 02:30:16,416 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917427,917440] [2022-11-22 02:30:16,417 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917580,917593] [2022-11-22 02:30:16,418 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917726,917739] [2022-11-22 02:30:16,419 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917869,917882] [2022-11-22 02:30:16,419 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918021,918034] [2022-11-22 02:30:16,420 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918167,918180] [2022-11-22 02:30:16,420 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918312,918325] [2022-11-22 02:30:16,420 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918466,918479] [2022-11-22 02:30:16,421 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918617,918630] [2022-11-22 02:30:16,421 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918772,918785] [2022-11-22 02:30:16,422 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918924,918937] [2022-11-22 02:30:16,423 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919079,919092] [2022-11-22 02:30:16,423 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919243,919256] [2022-11-22 02:30:16,424 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919399,919412] [2022-11-22 02:30:16,424 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919563,919576] [2022-11-22 02:30:16,426 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919705,919718] [2022-11-22 02:30:16,427 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919863,919876] [2022-11-22 02:30:16,427 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920030,920043] [2022-11-22 02:30:16,428 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920189,920202] [2022-11-22 02:30:16,429 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920348,920361] [2022-11-22 02:30:16,429 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920497,920510] [2022-11-22 02:30:16,430 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920644,920657] [2022-11-22 02:30:16,430 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920783,920796] [2022-11-22 02:30:16,431 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920946,920959] [2022-11-22 02:30:16,431 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921112,921125] [2022-11-22 02:30:16,432 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921276,921289] [2022-11-22 02:30:16,432 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921441,921454] [2022-11-22 02:30:16,432 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921606,921619] [2022-11-22 02:30:16,433 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921772,921785] [2022-11-22 02:30:16,433 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921937,921950] [2022-11-22 02:30:16,434 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922104,922117] [2022-11-22 02:30:16,435 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922264,922277] [2022-11-22 02:30:16,437 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922426,922439] [2022-11-22 02:30:16,438 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922585,922598] [2022-11-22 02:30:16,443 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922731,922744] [2022-11-22 02:30:16,444 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922874,922887] [2022-11-22 02:30:16,444 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923018,923031] [2022-11-22 02:30:16,445 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923161,923174] [2022-11-22 02:30:16,446 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923305,923318] [2022-11-22 02:30:16,447 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923446,923459] [2022-11-22 02:30:16,449 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923584,923597] [2022-11-22 02:30:16,449 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923742,923755] [2022-11-22 02:30:16,449 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923901,923914] [2022-11-22 02:30:16,457 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924057,924070] [2022-11-22 02:30:16,460 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924206,924219] [2022-11-22 02:30:16,460 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924358,924371] [2022-11-22 02:30:16,460 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924509,924522] [2022-11-22 02:30:16,461 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924658,924671] [2022-11-22 02:30:16,461 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924810,924823] [2022-11-22 02:30:16,462 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924958,924971] [2022-11-22 02:30:16,462 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925111,925124] [2022-11-22 02:30:16,463 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925262,925275] [2022-11-22 02:30:16,464 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925412,925425] [2022-11-22 02:30:16,464 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925559,925572] [2022-11-22 02:30:16,465 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925710,925723] [2022-11-22 02:30:16,465 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925861,925874] [2022-11-22 02:30:16,467 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926009,926022] [2022-11-22 02:30:16,468 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926175,926188] [2022-11-22 02:30:16,468 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926344,926357] [2022-11-22 02:30:16,469 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926511,926524] [2022-11-22 02:30:16,469 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926679,926692] [2022-11-22 02:30:16,469 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926829,926842] [2022-11-22 02:30:16,470 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926976,926989] [2022-11-22 02:30:16,470 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[927137,927150] [2022-11-22 02:30:16,471 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[927307,927320] [2022-11-22 02:30:16,471 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[927469,927482] [2022-11-22 02:30:16,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:30:17,216 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:30:17,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:30:17 WrapperNode [2022-11-22 02:30:17,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:30:17,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:30:17,218 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:30:17,218 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:30:17,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:30:17" (1/1) ... [2022-11-22 02:30:17,430 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:30:17" (1/1) ... [2022-11-22 02:30:17,914 INFO L138 Inliner]: procedures = 1156, calls = 6280, calls flagged for inlining = 709, calls inlined = 626, statements flattened = 15239 [2022-11-22 02:30:17,915 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:30:17,916 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:30:17,916 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:30:17,916 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:30:17,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:30:17" (1/1) ... [2022-11-22 02:30:17,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:30:17" (1/1) ... [2022-11-22 02:30:18,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:30:17" (1/1) ... [2022-11-22 02:30:18,009 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:30:17" (1/1) ... [2022-11-22 02:30:18,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:30:17" (1/1) ... [2022-11-22 02:30:18,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:30:17" (1/1) ... [2022-11-22 02:30:18,515 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:30:17" (1/1) ... [2022-11-22 02:30:18,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:30:17" (1/1) ... [2022-11-22 02:30:18,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:30:18,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:30:18,795 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:30:18,795 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:30:18,796 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:30:17" (1/1) ... [2022-11-22 02:30:18,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:30:18,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:30:18,868 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:30:18,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a818e0-8ab6-4d77-9867-865d7ff5e542/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:30:18,999 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_init_poll_mp [2022-11-22 02:30:19,014 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_init_poll_mp [2022-11-22 02:30:19,014 INFO L130 BoogieDeclarations]: Found specification of procedure __wiimote_schedule [2022-11-22 02:30:19,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __wiimote_schedule [2022-11-22 02:30:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-22 02:30:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_KAE [2022-11-22 02:30:19,015 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_KAE [2022-11-22 02:30:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_KAI [2022-11-22 02:30:19,015 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_KAI [2022-11-22 02:30:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_interruptible_timeout [2022-11-22 02:30:19,017 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_interruptible_timeout [2022-11-22 02:30:19,018 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_stop [2022-11-22 02:30:19,018 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_stop [2022-11-22 02:30:19,018 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_keys_in_keys [2022-11-22 02:30:19,018 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_keys_in_keys [2022-11-22 02:30:19,018 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_battery_remove [2022-11-22 02:30:19,019 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_battery_remove [2022-11-22 02:30:19,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_wiimote_state [2022-11-22 02:30:19,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_wiimote_state [2022-11-22 02:30:19,019 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_led_probe [2022-11-22 02:30:19,019 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_led_probe [2022-11-22 02:30:19,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-22 02:30:19,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-22 02:30:19,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-22 02:30:19,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-22 02:30:19,020 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-22 02:30:19,020 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_req_drm [2022-11-22 02:30:19,021 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_req_drm [2022-11-22 02:30:19,021 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_KEE [2022-11-22 02:30:19,021 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_KEE [2022-11-22 02:30:19,021 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_init_check [2022-11-22 02:30:19,021 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_init_check [2022-11-22 02:30:19,022 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_mp_remove [2022-11-22 02:30:19,022 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_mp_remove [2022-11-22 02:30:19,022 INFO L130 BoogieDeclarations]: Found specification of procedure handler_return [2022-11-22 02:30:19,022 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_return [2022-11-22 02:30:19,022 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-22 02:30:19,022 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-22 02:30:19,023 INFO L130 BoogieDeclarations]: Found specification of procedure handler_ir [2022-11-22 02:30:19,023 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_ir [2022-11-22 02:30:19,023 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_led_remove [2022-11-22 02:30:19,024 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_led_remove [2022-11-22 02:30:19,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-22 02:30:19,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-22 02:30:19,024 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_init_worker [2022-11-22 02:30:19,024 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_init_worker [2022-11-22 02:30:19,025 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_nunchuk_remove [2022-11-22 02:30:19,025 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_nunchuk_remove [2022-11-22 02:30:19,025 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_hid_remove [2022-11-22 02:30:19,025 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_hid_remove [2022-11-22 02:30:19,025 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2022-11-22 02:30:19,026 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2022-11-22 02:30:19,026 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_keep_rumble [2022-11-22 02:30:19,026 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_keep_rumble [2022-11-22 02:30:19,026 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_mp_unload [2022-11-22 02:30:19,026 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_mp_unload [2022-11-22 02:30:19,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-22 02:30:19,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-22 02:30:19,027 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2022-11-22 02:30:19,027 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2022-11-22 02:30:19,027 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_acquire_noint [2022-11-22 02:30:19,027 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_acquire_noint [2022-11-22 02:30:19,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-22 02:30:19,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-22 02:30:19,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 02:30:19,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-22 02:30:19,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-22 02:30:19,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_116 [2022-11-22 02:30:19,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_116 [2022-11-22 02:30:19,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-22 02:30:19,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-22 02:30:19,034 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_hid_probe [2022-11-22 02:30:19,034 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_hid_probe [2022-11-22 02:30:19,036 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_bboard_probe [2022-11-22 02:30:19,036 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_bboard_probe [2022-11-22 02:30:19,036 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_pro_calib_store [2022-11-22 02:30:19,037 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_pro_calib_store [2022-11-22 02:30:19,037 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_start [2022-11-22 02:30:19,037 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_start [2022-11-22 02:30:19,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-22 02:30:19,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-22 02:30:19,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 02:30:19,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_sync_of_wiimote_state [2022-11-22 02:30:19,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_sync_of_wiimote_state [2022-11-22 02:30:19,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-22 02:30:19,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-22 02:30:19,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:30:19,039 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_modules_load [2022-11-22 02:30:19,039 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_modules_load [2022-11-22 02:30:19,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-22 02:30:19,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-22 02:30:19,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 02:30:19,039 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_pro_in_ext [2022-11-22 02:30:19,040 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_pro_in_ext [2022-11-22 02:30:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-22 02:30:19,047 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-22 02:30:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure handler_data [2022-11-22 02:30:19,047 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_data [2022-11-22 02:30:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_write [2022-11-22 02:30:19,047 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_write [2022-11-22 02:30:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure handler_ext [2022-11-22 02:30:19,048 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_ext [2022-11-22 02:30:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-22 02:30:19,048 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-22 02:30:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_no_mp_remove [2022-11-22 02:30:19,048 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_no_mp_remove [2022-11-22 02:30:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2022-11-22 02:30:19,049 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2022-11-22 02:30:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_no_mp_probe [2022-11-22 02:30:19,049 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_no_mp_probe [2022-11-22 02:30:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_accel_in_accel [2022-11-22 02:30:19,050 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_accel_in_accel [2022-11-22 02:30:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-22 02:30:19,050 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-22 02:30:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_battery_probe [2022-11-22 02:30:19,050 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_battery_probe [2022-11-22 02:30:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:30:19,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:30:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_wait___0 [2022-11-22 02:30:19,051 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_wait___0 [2022-11-22 02:30:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-22 02:30:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_read_ext [2022-11-22 02:30:19,052 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_read_ext [2022-11-22 02:30:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_ext_load [2022-11-22 02:30:19,053 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_ext_load [2022-11-22 02:30:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_builtin_mp_remove [2022-11-22 02:30:19,053 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_builtin_mp_remove [2022-11-22 02:30:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-22 02:30:19,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-22 02:30:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_rumble_remove [2022-11-22 02:30:19,054 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_rumble_remove [2022-11-22 02:30:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-22 02:30:19,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-22 02:30:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 02:30:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-22 02:30:19,055 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-22 02:30:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-22 02:30:19,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-22 02:30:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_sync_of_wiimote_state [2022-11-22 02:30:19,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_sync_of_wiimote_state [2022-11-22 02:30:19,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 02:30:19,070 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_KA [2022-11-22 02:30:19,071 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_KA [2022-11-22 02:30:19,071 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_KE [2022-11-22 02:30:19,071 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_KE [2022-11-22 02:30:19,071 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_accel_remove [2022-11-22 02:30:19,071 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_accel_remove [2022-11-22 02:30:19,072 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_req_leds [2022-11-22 02:30:19,072 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_req_leds [2022-11-22 02:30:19,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_101 [2022-11-22 02:30:19,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_101 [2022-11-22 02:30:19,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_103 [2022-11-22 02:30:19,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_103 [2022-11-22 02:30:19,073 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2022-11-22 02:30:19,073 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2022-11-22 02:30:19,073 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-22 02:30:19,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-22 02:30:19,073 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-22 02:30:19,073 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-22 02:30:19,074 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_ir_remove [2022-11-22 02:30:19,074 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_ir_remove [2022-11-22 02:30:19,074 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-22 02:30:19,074 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-22 02:30:19,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-22 02:30:19,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-22 02:30:19,075 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2022-11-22 02:30:19,075 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2022-11-22 02:30:19,075 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_mp_in_mp [2022-11-22 02:30:19,075 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_mp_in_mp [2022-11-22 02:30:19,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-22 02:30:19,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-22 02:30:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-22 02:30:19,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-22 02:30:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_req_ir1 [2022-11-22 02:30:19,076 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_req_ir1 [2022-11-22 02:30:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_req_ir2 [2022-11-22 02:30:19,077 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_req_ir2 [2022-11-22 02:30:19,077 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-22 02:30:19,077 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-22 02:30:19,077 INFO L130 BoogieDeclarations]: Found specification of procedure handler_keys [2022-11-22 02:30:19,077 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_keys [2022-11-22 02:30:19,077 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_hid_event [2022-11-22 02:30:19,078 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_hid_event [2022-11-22 02:30:19,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-22 02:30:19,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-22 02:30:19,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 02:30:19,078 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2022-11-22 02:30:19,079 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2022-11-22 02:30:19,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 02:30:19,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 02:30:19,079 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_req_rmem [2022-11-22 02:30:19,079 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_req_rmem [2022-11-22 02:30:19,079 INFO L130 BoogieDeclarations]: Found specification of procedure handler_status [2022-11-22 02:30:19,080 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_status [2022-11-22 02:30:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2022-11-22 02:30:19,080 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2022-11-22 02:30:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_builtin_mp_probe [2022-11-22 02:30:19,080 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_builtin_mp_probe [2022-11-22 02:30:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure wiidebug_drm_write [2022-11-22 02:30:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure wiidebug_drm_write [2022-11-22 02:30:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_ext_store [2022-11-22 02:30:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_ext_store [2022-11-22 02:30:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_classic_remove [2022-11-22 02:30:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_classic_remove [2022-11-22 02:30:19,082 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_req_accel [2022-11-22 02:30:19,082 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_req_accel [2022-11-22 02:30:19,082 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_rumble_probe [2022-11-22 02:30:19,082 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_rumble_probe [2022-11-22 02:30:19,082 INFO L130 BoogieDeclarations]: Found specification of procedure handler_generic_K [2022-11-22 02:30:19,082 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_generic_K [2022-11-22 02:30:19,083 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_release___0 [2022-11-22 02:30:19,083 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_release___0 [2022-11-22 02:30:19,083 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_init_hotplug [2022-11-22 02:30:19,083 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_init_hotplug [2022-11-22 02:30:19,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-22 02:30:19,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-22 02:30:19,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-22 02:30:19,084 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-22 02:30:19,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 02:30:19,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 02:30:19,084 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_bboard_remove [2022-11-22 02:30:19,084 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_bboard_remove [2022-11-22 02:30:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_abort [2022-11-22 02:30:19,085 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_abort [2022-11-22 02:30:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_req_status [2022-11-22 02:30:19,085 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_req_status [2022-11-22 02:30:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure hid_get_drvdata [2022-11-22 02:30:19,085 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_get_drvdata [2022-11-22 02:30:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~VOID [2022-11-22 02:30:19,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~VOID [2022-11-22 02:30:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-22 02:30:19,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-22 02:30:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-22 02:30:19,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-22 02:30:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-22 02:30:19,087 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-22 02:30:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_set [2022-11-22 02:30:19,087 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_set [2022-11-22 02:30:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2022-11-22 02:30:19,088 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2022-11-22 02:30:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_destroy [2022-11-22 02:30:19,088 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_destroy [2022-11-22 02:30:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-22 02:30:19,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-22 02:30:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_mp_probe [2022-11-22 02:30:19,088 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_mp_probe [2022-11-22 02:30:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-22 02:30:19,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-22 02:30:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-22 02:30:19,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-22 02:30:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_init_detect [2022-11-22 02:30:19,097 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_init_detect [2022-11-22 02:30:19,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:30:19,098 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_req_rumble [2022-11-22 02:30:19,098 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_req_rumble [2022-11-22 02:30:19,098 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_keys_probe [2022-11-22 02:30:19,098 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_keys_probe [2022-11-22 02:30:19,098 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-11-22 02:30:19,099 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-11-22 02:30:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-22 02:30:19,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-22 02:30:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-22 02:30:19,099 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-22 02:30:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_ir_change [2022-11-22 02:30:19,100 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_ir_change [2022-11-22 02:30:19,100 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2022-11-22 02:30:19,100 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2022-11-22 02:30:19,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-22 02:30:19,100 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-22 02:30:19,100 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-22 02:30:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-22 02:30:19,101 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-22 02:30:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-22 02:30:19,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-22 02:30:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_pro_remove [2022-11-22 02:30:19,101 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_pro_remove [2022-11-22 02:30:19,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 02:30:19,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-22 02:30:19,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-22 02:30:19,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-22 02:30:19,102 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-22 02:30:19,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-22 02:30:19,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-22 02:30:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-22 02:30:19,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-22 02:30:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure handler_status_K [2022-11-22 02:30:19,103 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_status_K [2022-11-22 02:30:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_init_mp [2022-11-22 02:30:19,104 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_init_mp [2022-11-22 02:30:19,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_sync_of_wiimote_state [2022-11-22 02:30:19,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_sync_of_wiimote_state [2022-11-22 02:30:19,104 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-22 02:30:19,104 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-22 02:30:19,104 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 02:30:19,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 02:30:19,105 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_nunchuk_in_ext [2022-11-22 02:30:19,105 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_nunchuk_in_ext [2022-11-22 02:30:19,105 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-22 02:30:19,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-22 02:30:19,105 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_complete [2022-11-22 02:30:19,106 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_complete [2022-11-22 02:30:19,106 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-22 02:30:19,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-22 02:30:19,106 INFO L130 BoogieDeclarations]: Found specification of procedure valid_ext_handler [2022-11-22 02:30:19,106 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_ext_handler [2022-11-22 02:30:19,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-22 02:30:19,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-22 02:30:19,107 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_SKAI1 [2022-11-22 02:30:19,107 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_SKAI1 [2022-11-22 02:30:19,107 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_SKAI2 [2022-11-22 02:30:19,107 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_SKAI2 [2022-11-22 02:30:19,107 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-22 02:30:19,108 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-22 02:30:19,108 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_KAIE [2022-11-22 02:30:19,108 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_KAIE [2022-11-22 02:30:19,108 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_ext_unload [2022-11-22 02:30:19,108 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_ext_unload [2022-11-22 02:30:19,108 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_ir_probe [2022-11-22 02:30:19,109 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_ir_probe [2022-11-22 02:30:19,109 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_E [2022-11-22 02:30:19,109 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_E [2022-11-22 02:30:19,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-22 02:30:19,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 02:30:19,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 02:30:19,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-22 02:30:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-22 02:30:19,110 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-22 02:30:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-22 02:30:19,110 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_close [2022-11-22 02:30:19,111 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_close [2022-11-22 02:30:19,111 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_acquire [2022-11-22 02:30:19,111 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_acquire [2022-11-22 02:30:19,111 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2022-11-22 02:30:19,111 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2022-11-22 02:30:19,111 INFO L130 BoogieDeclarations]: Found specification of procedure wiidebug_drm_open [2022-11-22 02:30:19,111 INFO L138 BoogieDeclarations]: Found implementation of procedure wiidebug_drm_open [2022-11-22 02:30:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_wiimote_state [2022-11-22 02:30:19,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_wiimote_state [2022-11-22 02:30:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_queue [2022-11-22 02:30:19,112 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_queue [2022-11-22 02:30:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_pro_probe [2022-11-22 02:30:19,112 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_pro_probe [2022-11-22 02:30:19,113 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~bool~0~X~int~TO~VOID [2022-11-22 02:30:19,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~bool~0~X~int~TO~VOID [2022-11-22 02:30:19,113 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2022-11-22 02:30:19,113 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2022-11-22 02:30:19,113 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_init_set_type [2022-11-22 02:30:19,114 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_init_set_type [2022-11-22 02:30:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_schedule [2022-11-22 02:30:19,114 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_schedule [2022-11-22 02:30:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-11-22 02:30:19,114 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-11-22 02:30:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 02:30:19,115 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-22 02:30:19,115 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-22 02:30:19,115 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_classic_in_ext [2022-11-22 02:30:19,115 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_classic_in_ext [2022-11-22 02:30:19,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-22 02:30:19,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-22 02:30:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_pending [2022-11-22 02:30:19,116 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_pending [2022-11-22 02:30:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-22 02:30:19,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-22 02:30:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure handler_accel [2022-11-22 02:30:19,116 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_accel [2022-11-22 02:30:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_KIE [2022-11-22 02:30:19,117 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_KIE [2022-11-22 02:30:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_read_mp_mapped [2022-11-22 02:30:19,117 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_read_mp_mapped [2022-11-22 02:30:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure wiidebug_eeprom_read [2022-11-22 02:30:19,117 INFO L138 BoogieDeclarations]: Found implementation of procedure wiidebug_eeprom_read [2022-11-22 02:30:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-22 02:30:19,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-22 02:30:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_classic_probe [2022-11-22 02:30:19,118 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_classic_probe [2022-11-22 02:30:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-22 02:30:19,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-22 02:30:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_init_ext [2022-11-22 02:30:19,119 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_init_ext [2022-11-22 02:30:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_release [2022-11-22 02:30:19,119 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_release [2022-11-22 02:30:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-22 02:30:19,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-22 02:30:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2022-11-22 02:30:19,120 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2022-11-22 02:30:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-22 02:30:19,120 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-22 02:30:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_mp_load [2022-11-22 02:30:19,121 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_mp_load [2022-11-22 02:30:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-11-22 02:30:19,121 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-11-22 02:30:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure input_ff_create_memless [2022-11-22 02:30:19,121 INFO L138 BoogieDeclarations]: Found implementation of procedure input_ff_create_memless [2022-11-22 02:30:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-22 02:30:19,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-22 02:30:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-11-22 02:30:19,122 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-11-22 02:30:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_nunchuk_probe [2022-11-22 02:30:19,122 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_nunchuk_probe [2022-11-22 02:30:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_sched_completion_wait_for_completion_ready_of_wiimote_state [2022-11-22 02:30:19,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_sched_completion_wait_for_completion_ready_of_wiimote_state [2022-11-22 02:30:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_read_mp [2022-11-22 02:30:19,123 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_read_mp [2022-11-22 02:30:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_ir_in_ir [2022-11-22 02:30:19,123 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_ir_in_ir [2022-11-22 02:30:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-22 02:30:19,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-22 02:30:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2022-11-22 02:30:19,124 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2022-11-22 02:30:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_bboard_in_keys [2022-11-22 02:30:19,124 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_bboard_in_keys [2022-11-22 02:30:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_bboard_in_ext [2022-11-22 02:30:19,125 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_bboard_in_ext [2022-11-22 02:30:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-22 02:30:19,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-22 02:30:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-22 02:30:19,125 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-22 02:30:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-22 02:30:19,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-22 02:30:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_wait [2022-11-22 02:30:19,126 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_wait [2022-11-22 02:30:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-22 02:30:19,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-22 02:30:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2022-11-22 02:30:19,127 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2022-11-22 02:30:19,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_wiimote_queue [2022-11-22 02:30:19,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_wiimote_queue [2022-11-22 02:30:19,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:30:19,127 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-22 02:30:19,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-22 02:30:19,128 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_read [2022-11-22 02:30:19,128 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_read [2022-11-22 02:30:19,128 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-11-22 02:30:19,128 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-11-22 02:30:19,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_115 [2022-11-22 02:30:19,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_115 [2022-11-22 02:30:21,932 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:30:21,944 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:30:22,531 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 02:30:45,137 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:30:49,072 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:30:49,072 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-22 02:30:49,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:30:49 BoogieIcfgContainer [2022-11-22 02:30:49,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:30:49,086 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:30:49,086 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:30:49,090 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:30:49,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:30:03" (1/3) ... [2022-11-22 02:30:49,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6410bce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:30:49, skipping insertion in model container [2022-11-22 02:30:49,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:30:17" (2/3) ... [2022-11-22 02:30:49,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6410bce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:30:49, skipping insertion in model container [2022-11-22 02:30:49,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:30:49" (3/3) ... [2022-11-22 02:30:49,094 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i [2022-11-22 02:30:49,117 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:30:49,118 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-11-22 02:30:49,299 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:30:49,306 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5b753721, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:30:49,306 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2022-11-22 02:30:49,335 INFO L276 IsEmpty]: Start isEmpty. Operand has 5647 states, 2986 states have (on average 1.3154722036168787) internal successors, (3928), 3446 states have internal predecessors, (3928), 2424 states have call successors, (2424), 209 states have call predecessors, (2424), 208 states have return successors, (2377), 2115 states have call predecessors, (2377), 2377 states have call successors, (2377) [2022-11-22 02:30:49,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-22 02:30:49,350 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:30:49,351 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:30:49,351 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 02:30:49,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:30:49,356 INFO L85 PathProgramCache]: Analyzing trace with hash 2017671247, now seen corresponding path program 1 times [2022-11-22 02:30:49,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:30:49,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027334054] [2022-11-22 02:30:49,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:30:49,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:30:49,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:30:50,707 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:30:50,707 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:30:50,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027334054] [2022-11-22 02:30:50,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027334054] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:30:50,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:30:50,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:30:50,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728901232] [2022-11-22 02:30:50,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:30:50,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:30:50,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:30:50,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:30:50,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:30:50,782 INFO L87 Difference]: Start difference. First operand has 5647 states, 2986 states have (on average 1.3154722036168787) internal successors, (3928), 3446 states have internal predecessors, (3928), 2424 states have call successors, (2424), 209 states have call predecessors, (2424), 208 states have return successors, (2377), 2115 states have call predecessors, (2377), 2377 states have call successors, (2377) Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-22 02:30:53,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:30:54,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:30:57,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:30:58,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:31:01,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:31:01,054 INFO L93 Difference]: Finished difference Result 11913 states and 19030 transitions. [2022-11-22 02:31:01,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:31:01,057 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 47 [2022-11-22 02:31:01,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:31:01,160 INFO L225 Difference]: With dead ends: 11913 [2022-11-22 02:31:01,160 INFO L226 Difference]: Without dead ends: 6234 [2022-11-22 02:31:01,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:31:01,243 INFO L413 NwaCegarLoop]: 8575 mSDtfsCounter, 8590 mSDsluCounter, 9490 mSDsCounter, 0 mSdLazyCounter, 816 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8598 SdHoareTripleChecker+Valid, 18065 SdHoareTripleChecker+Invalid, 817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 816 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-11-22 02:31:01,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8598 Valid, 18065 Invalid, 817 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 816 Invalid, 1 Unknown, 0 Unchecked, 9.3s Time] [2022-11-22 02:31:01,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6234 states. [2022-11-22 02:31:02,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6234 to 6229. [2022-11-22 02:31:02,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6229 states, 3309 states have (on average 1.28558476881233) internal successors, (4254), 3764 states have internal predecessors, (4254), 2615 states have call successors, (2615), 279 states have call predecessors, (2615), 278 states have return successors, (2613), 2315 states have call predecessors, (2613), 2613 states have call successors, (2613) [2022-11-22 02:31:02,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6229 states to 6229 states and 9482 transitions. [2022-11-22 02:31:02,612 INFO L78 Accepts]: Start accepts. Automaton has 6229 states and 9482 transitions. Word has length 47 [2022-11-22 02:31:02,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:31:02,614 INFO L495 AbstractCegarLoop]: Abstraction has 6229 states and 9482 transitions. [2022-11-22 02:31:02,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-22 02:31:02,615 INFO L276 IsEmpty]: Start isEmpty. Operand 6229 states and 9482 transitions. [2022-11-22 02:31:02,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-22 02:31:02,619 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:31:02,620 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:31:02,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 02:31:02,621 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 02:31:02,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:31:02,621 INFO L85 PathProgramCache]: Analyzing trace with hash -2098793732, now seen corresponding path program 1 times [2022-11-22 02:31:02,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:31:02,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162480268] [2022-11-22 02:31:02,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:31:02,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:31:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:31:03,580 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:31:03,580 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:31:03,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162480268] [2022-11-22 02:31:03,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162480268] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:31:03,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:31:03,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:31:03,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566840486] [2022-11-22 02:31:03,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:31:03,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:31:03,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:31:03,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:31:03,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:31:03,585 INFO L87 Difference]: Start difference. First operand 6229 states and 9482 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-22 02:31:06,854 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 [] [2022-11-22 02:31:10,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:31:11,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:31:13,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:31:13,948 INFO L93 Difference]: Finished difference Result 6234 states and 9485 transitions. [2022-11-22 02:31:13,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:31:13,949 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 52 [2022-11-22 02:31:13,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:31:14,007 INFO L225 Difference]: With dead ends: 6234 [2022-11-22 02:31:14,007 INFO L226 Difference]: Without dead ends: 6232 [2022-11-22 02:31:14,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:31:14,015 INFO L413 NwaCegarLoop]: 8473 mSDtfsCounter, 8486 mSDsluCounter, 9386 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8494 SdHoareTripleChecker+Valid, 17859 SdHoareTripleChecker+Invalid, 815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2022-11-22 02:31:14,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8494 Valid, 17859 Invalid, 815 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 814 Invalid, 1 Unknown, 0 Unchecked, 9.9s Time] [2022-11-22 02:31:14,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6232 states. [2022-11-22 02:31:14,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6232 to 6227. [2022-11-22 02:31:14,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6227 states, 3308 states have (on average 1.2853688029020556) internal successors, (4252), 3762 states have internal predecessors, (4252), 2615 states have call successors, (2615), 279 states have call predecessors, (2615), 278 states have return successors, (2613), 2315 states have call predecessors, (2613), 2613 states have call successors, (2613) [2022-11-22 02:31:14,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6227 states to 6227 states and 9480 transitions. [2022-11-22 02:31:14,710 INFO L78 Accepts]: Start accepts. Automaton has 6227 states and 9480 transitions. Word has length 52 [2022-11-22 02:31:14,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:31:14,711 INFO L495 AbstractCegarLoop]: Abstraction has 6227 states and 9480 transitions. [2022-11-22 02:31:14,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-22 02:31:14,712 INFO L276 IsEmpty]: Start isEmpty. Operand 6227 states and 9480 transitions. [2022-11-22 02:31:14,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-22 02:31:14,714 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:31:14,714 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:31:14,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 02:31:14,715 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 02:31:14,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:31:14,715 INFO L85 PathProgramCache]: Analyzing trace with hash -28206378, now seen corresponding path program 1 times [2022-11-22 02:31:14,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:31:14,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388622043] [2022-11-22 02:31:14,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:31:14,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:31:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:31:15,590 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:31:15,591 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:31:15,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388622043] [2022-11-22 02:31:15,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388622043] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:31:15,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:31:15,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:31:15,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116364417] [2022-11-22 02:31:15,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:31:15,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:31:15,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:31:15,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:31:15,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:31:15,594 INFO L87 Difference]: Start difference. First operand 6227 states and 9480 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-22 02:31:20,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:31:23,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:31:25,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:31:25,360 INFO L93 Difference]: Finished difference Result 6232 states and 9483 transitions. [2022-11-22 02:31:25,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:31:25,360 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 57 [2022-11-22 02:31:25,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:31:25,409 INFO L225 Difference]: With dead ends: 6232 [2022-11-22 02:31:25,409 INFO L226 Difference]: Without dead ends: 6230 [2022-11-22 02:31:25,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:31:25,418 INFO L413 NwaCegarLoop]: 8471 mSDtfsCounter, 8483 mSDsluCounter, 9384 mSDsCounter, 0 mSdLazyCounter, 813 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8491 SdHoareTripleChecker+Valid, 17855 SdHoareTripleChecker+Invalid, 815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 813 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-11-22 02:31:25,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8491 Valid, 17855 Invalid, 815 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 813 Invalid, 2 Unknown, 0 Unchecked, 9.3s Time] [2022-11-22 02:31:25,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6230 states. [2022-11-22 02:31:26,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6230 to 6225. [2022-11-22 02:31:26,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6225 states, 3307 states have (on average 1.2851527063804051) internal successors, (4250), 3760 states have internal predecessors, (4250), 2615 states have call successors, (2615), 279 states have call predecessors, (2615), 278 states have return successors, (2613), 2315 states have call predecessors, (2613), 2613 states have call successors, (2613) [2022-11-22 02:31:26,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6225 states to 6225 states and 9478 transitions. [2022-11-22 02:31:26,214 INFO L78 Accepts]: Start accepts. Automaton has 6225 states and 9478 transitions. Word has length 57 [2022-11-22 02:31:26,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:31:26,215 INFO L495 AbstractCegarLoop]: Abstraction has 6225 states and 9478 transitions. [2022-11-22 02:31:26,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-22 02:31:26,215 INFO L276 IsEmpty]: Start isEmpty. Operand 6225 states and 9478 transitions. [2022-11-22 02:31:26,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-22 02:31:26,217 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:31:26,218 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:31:26,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 02:31:26,218 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 02:31:26,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:31:26,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1248286207, now seen corresponding path program 1 times [2022-11-22 02:31:26,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:31:26,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875336275] [2022-11-22 02:31:26,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:31:26,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:31:26,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:31:26,891 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:31:26,891 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:31:26,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875336275] [2022-11-22 02:31:26,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875336275] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:31:26,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:31:26,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:31:26,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60978478] [2022-11-22 02:31:26,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:31:26,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:31:26,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:31:26,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:31:26,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:31:26,894 INFO L87 Difference]: Start difference. First operand 6225 states and 9478 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-22 02:31:29,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:31:32,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:31:34,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:31:36,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:31:36,733 INFO L93 Difference]: Finished difference Result 6230 states and 9481 transitions. [2022-11-22 02:31:36,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:31:36,734 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 62 [2022-11-22 02:31:36,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:31:36,778 INFO L225 Difference]: With dead ends: 6230 [2022-11-22 02:31:36,778 INFO L226 Difference]: Without dead ends: 6228 [2022-11-22 02:31:36,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:31:36,785 INFO L413 NwaCegarLoop]: 8471 mSDtfsCounter, 8480 mSDsluCounter, 9384 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8488 SdHoareTripleChecker+Valid, 17855 SdHoareTripleChecker+Invalid, 815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2022-11-22 02:31:36,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8488 Valid, 17855 Invalid, 815 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 814 Invalid, 1 Unknown, 0 Unchecked, 9.4s Time] [2022-11-22 02:31:36,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6228 states. [2022-11-22 02:31:37,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6228 to 6223. [2022-11-22 02:31:37,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6223 states, 3306 states have (on average 1.2849364791288567) internal successors, (4248), 3758 states have internal predecessors, (4248), 2615 states have call successors, (2615), 279 states have call predecessors, (2615), 278 states have return successors, (2613), 2315 states have call predecessors, (2613), 2613 states have call successors, (2613) [2022-11-22 02:31:37,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6223 states to 6223 states and 9476 transitions. [2022-11-22 02:31:37,555 INFO L78 Accepts]: Start accepts. Automaton has 6223 states and 9476 transitions. Word has length 62 [2022-11-22 02:31:37,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:31:37,556 INFO L495 AbstractCegarLoop]: Abstraction has 6223 states and 9476 transitions. [2022-11-22 02:31:37,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-22 02:31:37,556 INFO L276 IsEmpty]: Start isEmpty. Operand 6223 states and 9476 transitions. [2022-11-22 02:31:37,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-22 02:31:37,563 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:31:37,563 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:31:37,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 02:31:37,565 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 02:31:37,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:31:37,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1484918106, now seen corresponding path program 1 times [2022-11-22 02:31:37,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:31:37,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835512540] [2022-11-22 02:31:37,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:31:37,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:31:37,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:31:38,225 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:31:38,226 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:31:38,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835512540] [2022-11-22 02:31:38,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835512540] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:31:38,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:31:38,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:31:38,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708228967] [2022-11-22 02:31:38,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:31:38,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:31:38,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:31:38,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:31:38,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:31:38,230 INFO L87 Difference]: Start difference. First operand 6223 states and 9476 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-22 02:31:40,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:31:41,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:31:45,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:31:47,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:31:48,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:31:48,245 INFO L93 Difference]: Finished difference Result 6223 states and 9476 transitions. [2022-11-22 02:31:48,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:31:48,246 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 67 [2022-11-22 02:31:48,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:31:48,285 INFO L225 Difference]: With dead ends: 6223 [2022-11-22 02:31:48,285 INFO L226 Difference]: Without dead ends: 6221 [2022-11-22 02:31:48,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:31:48,292 INFO L413 NwaCegarLoop]: 8207 mSDtfsCounter, 8565 mSDsluCounter, 8207 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8567 SdHoareTripleChecker+Valid, 16414 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-11-22 02:31:48,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8567 Valid, 16414 Invalid, 761 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 760 Invalid, 1 Unknown, 0 Unchecked, 9.5s Time] [2022-11-22 02:31:48,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6221 states. [2022-11-22 02:31:48,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6221 to 6221. [2022-11-22 02:31:49,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6221 states, 3305 states have (on average 1.2847201210287442) internal successors, (4246), 3756 states have internal predecessors, (4246), 2615 states have call successors, (2615), 279 states have call predecessors, (2615), 278 states have return successors, (2613), 2315 states have call predecessors, (2613), 2613 states have call successors, (2613) [2022-11-22 02:31:49,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6221 states to 6221 states and 9474 transitions. [2022-11-22 02:31:49,159 INFO L78 Accepts]: Start accepts. Automaton has 6221 states and 9474 transitions. Word has length 67 [2022-11-22 02:31:49,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:31:49,159 INFO L495 AbstractCegarLoop]: Abstraction has 6221 states and 9474 transitions. [2022-11-22 02:31:49,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-22 02:31:49,160 INFO L276 IsEmpty]: Start isEmpty. Operand 6221 states and 9474 transitions. [2022-11-22 02:31:49,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-22 02:31:49,161 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:31:49,162 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:31:49,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 02:31:49,162 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 02:31:49,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:31:49,163 INFO L85 PathProgramCache]: Analyzing trace with hash -28335228, now seen corresponding path program 1 times [2022-11-22 02:31:49,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:31:49,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113693904] [2022-11-22 02:31:49,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:31:49,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:31:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:31:49,828 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:31:49,828 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:31:49,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113693904] [2022-11-22 02:31:49,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113693904] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:31:49,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:31:49,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:31:49,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462842002] [2022-11-22 02:31:49,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:31:49,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:31:49,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:31:49,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:31:49,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:31:49,831 INFO L87 Difference]: Start difference. First operand 6221 states and 9474 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-22 02:31:53,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:31:55,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:31:57,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:31:57,600 INFO L93 Difference]: Finished difference Result 6240 states and 9490 transitions. [2022-11-22 02:31:57,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:31:57,601 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 72 [2022-11-22 02:31:57,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:31:57,639 INFO L225 Difference]: With dead ends: 6240 [2022-11-22 02:31:57,639 INFO L226 Difference]: Without dead ends: 6238 [2022-11-22 02:31:57,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:31:57,647 INFO L413 NwaCegarLoop]: 8444 mSDtfsCounter, 8404 mSDsluCounter, 9357 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8415 SdHoareTripleChecker+Valid, 17801 SdHoareTripleChecker+Invalid, 813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-11-22 02:31:57,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8415 Valid, 17801 Invalid, 813 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 811 Invalid, 2 Unknown, 0 Unchecked, 7.3s Time] [2022-11-22 02:31:57,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6238 states. [2022-11-22 02:31:58,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6238 to 6233. [2022-11-22 02:31:58,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6233 states, 3311 states have (on average 1.2839021443672607) internal successors, (4251), 3761 states have internal predecessors, (4251), 2618 states have call successors, (2618), 283 states have call predecessors, (2618), 282 states have return successors, (2616), 2318 states have call predecessors, (2616), 2616 states have call successors, (2616) [2022-11-22 02:31:58,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6233 states to 6233 states and 9485 transitions. [2022-11-22 02:31:58,556 INFO L78 Accepts]: Start accepts. Automaton has 6233 states and 9485 transitions. Word has length 72 [2022-11-22 02:31:58,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:31:58,556 INFO L495 AbstractCegarLoop]: Abstraction has 6233 states and 9485 transitions. [2022-11-22 02:31:58,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-22 02:31:58,557 INFO L276 IsEmpty]: Start isEmpty. Operand 6233 states and 9485 transitions. [2022-11-22 02:31:58,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-22 02:31:58,560 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:31:58,560 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:31:58,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 02:31:58,561 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 02:31:58,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:31:58,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1994110928, now seen corresponding path program 1 times [2022-11-22 02:31:58,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:31:58,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568103749] [2022-11-22 02:31:58,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:31:58,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:31:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:31:59,208 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:31:59,208 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:31:59,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568103749] [2022-11-22 02:31:59,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568103749] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:31:59,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:31:59,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:31:59,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232657825] [2022-11-22 02:31:59,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:31:59,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:31:59,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:31:59,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:31:59,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:31:59,211 INFO L87 Difference]: Start difference. First operand 6233 states and 9485 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-22 02:32:02,342 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 [] [2022-11-22 02:32:05,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:32:07,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:32:07,668 INFO L93 Difference]: Finished difference Result 6238 states and 9488 transitions. [2022-11-22 02:32:07,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:32:07,669 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 77 [2022-11-22 02:32:07,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:32:07,705 INFO L225 Difference]: With dead ends: 6238 [2022-11-22 02:32:07,705 INFO L226 Difference]: Without dead ends: 6236 [2022-11-22 02:32:07,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:32:07,712 INFO L413 NwaCegarLoop]: 8440 mSDtfsCounter, 8401 mSDsluCounter, 9353 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8412 SdHoareTripleChecker+Valid, 17793 SdHoareTripleChecker+Invalid, 813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-11-22 02:32:07,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8412 Valid, 17793 Invalid, 813 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 811 Invalid, 2 Unknown, 0 Unchecked, 7.9s Time] [2022-11-22 02:32:07,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6236 states. [2022-11-22 02:32:08,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6236 to 6231. [2022-11-22 02:32:08,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6231 states, 3310 states have (on average 1.2836858006042295) internal successors, (4249), 3759 states have internal predecessors, (4249), 2618 states have call successors, (2618), 283 states have call predecessors, (2618), 282 states have return successors, (2616), 2318 states have call predecessors, (2616), 2616 states have call successors, (2616) [2022-11-22 02:32:08,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6231 states to 6231 states and 9483 transitions. [2022-11-22 02:32:08,585 INFO L78 Accepts]: Start accepts. Automaton has 6231 states and 9483 transitions. Word has length 77 [2022-11-22 02:32:08,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:32:08,586 INFO L495 AbstractCegarLoop]: Abstraction has 6231 states and 9483 transitions. [2022-11-22 02:32:08,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-22 02:32:08,586 INFO L276 IsEmpty]: Start isEmpty. Operand 6231 states and 9483 transitions. [2022-11-22 02:32:08,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-22 02:32:08,594 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:32:08,595 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-22 02:32:08,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 02:32:08,596 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 02:32:08,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:32:08,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1655010761, now seen corresponding path program 1 times [2022-11-22 02:32:08,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:32:08,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755822547] [2022-11-22 02:32:08,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:32:08,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:32:08,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:32:10,660 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2022-11-22 02:32:10,660 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:32:10,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755822547] [2022-11-22 02:32:10,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755822547] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:32:10,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:32:10,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 02:32:10,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359678381] [2022-11-22 02:32:10,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:32:10,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 02:32:10,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:32:10,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 02:32:10,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:32:10,663 INFO L87 Difference]: Start difference. First operand 6231 states and 9483 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-22 02:32:16,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:32:18,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:32:20,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 02:32:23,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:32:25,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:32:27,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:32:29,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:32:39,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:32:39,085 INFO L93 Difference]: Finished difference Result 6323 states and 9589 transitions. [2022-11-22 02:32:39,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 02:32:39,086 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 100 [2022-11-22 02:32:39,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:32:39,117 INFO L225 Difference]: With dead ends: 6323 [2022-11-22 02:32:39,118 INFO L226 Difference]: Without dead ends: 6321 [2022-11-22 02:32:39,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-22 02:32:39,123 INFO L413 NwaCegarLoop]: 8228 mSDtfsCounter, 8554 mSDsluCounter, 19996 mSDsCounter, 0 mSdLazyCounter, 6280 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8563 SdHoareTripleChecker+Valid, 28224 SdHoareTripleChecker+Invalid, 6286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6280 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.4s IncrementalHoareTripleChecker+Time [2022-11-22 02:32:39,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8563 Valid, 28224 Invalid, 6286 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3 Valid, 6280 Invalid, 3 Unknown, 0 Unchecked, 27.4s Time] [2022-11-22 02:32:39,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6321 states. [2022-11-22 02:32:39,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6321 to 6313. [2022-11-22 02:32:39,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6313 states, 3351 states have (on average 1.2814085347657416) internal successors, (4294), 3801 states have internal predecessors, (4294), 2643 states have call successors, (2643), 300 states have call predecessors, (2643), 299 states have return successors, (2641), 2341 states have call predecessors, (2641), 2641 states have call successors, (2641) [2022-11-22 02:32:39,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6313 states to 6313 states and 9578 transitions. [2022-11-22 02:32:39,955 INFO L78 Accepts]: Start accepts. Automaton has 6313 states and 9578 transitions. Word has length 100 [2022-11-22 02:32:39,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:32:39,956 INFO L495 AbstractCegarLoop]: Abstraction has 6313 states and 9578 transitions. [2022-11-22 02:32:39,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-22 02:32:39,957 INFO L276 IsEmpty]: Start isEmpty. Operand 6313 states and 9578 transitions. [2022-11-22 02:32:39,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-22 02:32:39,960 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:32:39,960 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-22 02:32:39,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-22 02:32:39,960 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting kzallocErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 02:32:39,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:32:39,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1336699215, now seen corresponding path program 1 times [2022-11-22 02:32:39,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:32:39,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663673987] [2022-11-22 02:32:39,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:32:39,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:32:40,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:32:40,544 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2022-11-22 02:32:40,544 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:32:40,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663673987] [2022-11-22 02:32:40,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663673987] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:32:40,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:32:40,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:32:40,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210132076] [2022-11-22 02:32:40,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:32:40,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:32:40,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:32:40,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:32:40,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:32:40,547 INFO L87 Difference]: Start difference. First operand 6313 states and 9578 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-22 02:32:42,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:32:45,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:32:46,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:32:48,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:32:48,084 INFO L93 Difference]: Finished difference Result 12607 states and 19208 transitions. [2022-11-22 02:32:48,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:32:48,084 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 103 [2022-11-22 02:32:48,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:32:48,124 INFO L225 Difference]: With dead ends: 12607 [2022-11-22 02:32:48,124 INFO L226 Difference]: Without dead ends: 6314 [2022-11-22 02:32:48,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:32:48,173 INFO L413 NwaCegarLoop]: 8456 mSDtfsCounter, 8462 mSDsluCounter, 913 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8468 SdHoareTripleChecker+Valid, 9369 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-11-22 02:32:48,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8468 Valid, 9369 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 435 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2022-11-22 02:32:48,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6314 states. [2022-11-22 02:32:49,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6314 to 6309. [2022-11-22 02:32:49,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6309 states, 3348 states have (on average 1.281063321385902) internal successors, (4289), 3797 states have internal predecessors, (4289), 2643 states have call successors, (2643), 300 states have call predecessors, (2643), 299 states have return successors, (2641), 2341 states have call predecessors, (2641), 2641 states have call successors, (2641) [2022-11-22 02:32:49,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6309 states to 6309 states and 9573 transitions. [2022-11-22 02:32:49,196 INFO L78 Accepts]: Start accepts. Automaton has 6309 states and 9573 transitions. Word has length 103 [2022-11-22 02:32:49,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:32:49,197 INFO L495 AbstractCegarLoop]: Abstraction has 6309 states and 9573 transitions. [2022-11-22 02:32:49,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-22 02:32:49,197 INFO L276 IsEmpty]: Start isEmpty. Operand 6309 states and 9573 transitions. [2022-11-22 02:32:49,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-22 02:32:49,199 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:32:49,199 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:32:49,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-22 02:32:49,199 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 02:32:49,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:32:49,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1378442183, now seen corresponding path program 1 times [2022-11-22 02:32:49,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:32:49,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494553696] [2022-11-22 02:32:49,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:32:49,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:32:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:32:49,778 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:32:49,779 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:32:49,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494553696] [2022-11-22 02:32:49,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494553696] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:32:49,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:32:49,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:32:49,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692353407] [2022-11-22 02:32:49,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:32:49,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:32:49,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:32:49,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:32:49,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:32:49,781 INFO L87 Difference]: Start difference. First operand 6309 states and 9573 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-22 02:32:55,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:32:56,747 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 [] [2022-11-22 02:32:58,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:32:58,505 INFO L93 Difference]: Finished difference Result 6314 states and 9576 transitions. [2022-11-22 02:32:58,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:32:58,505 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 82 [2022-11-22 02:32:58,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:32:58,538 INFO L225 Difference]: With dead ends: 6314 [2022-11-22 02:32:58,539 INFO L226 Difference]: Without dead ends: 6312 [2022-11-22 02:32:58,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:32:58,545 INFO L413 NwaCegarLoop]: 8454 mSDtfsCounter, 8465 mSDsluCounter, 9363 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8473 SdHoareTripleChecker+Valid, 17817 SdHoareTripleChecker+Invalid, 815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:32:58,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8473 Valid, 17817 Invalid, 815 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 814 Invalid, 1 Unknown, 0 Unchecked, 8.1s Time] [2022-11-22 02:32:58,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6312 states. [2022-11-22 02:32:59,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6312 to 6307. [2022-11-22 02:32:59,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6307 states, 3347 states have (on average 1.2808485210636391) internal successors, (4287), 3795 states have internal predecessors, (4287), 2643 states have call successors, (2643), 300 states have call predecessors, (2643), 299 states have return successors, (2641), 2341 states have call predecessors, (2641), 2641 states have call successors, (2641) [2022-11-22 02:32:59,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6307 states to 6307 states and 9571 transitions. [2022-11-22 02:32:59,480 INFO L78 Accepts]: Start accepts. Automaton has 6307 states and 9571 transitions. Word has length 82 [2022-11-22 02:32:59,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:32:59,481 INFO L495 AbstractCegarLoop]: Abstraction has 6307 states and 9571 transitions. [2022-11-22 02:32:59,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-22 02:32:59,481 INFO L276 IsEmpty]: Start isEmpty. Operand 6307 states and 9571 transitions. [2022-11-22 02:32:59,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-22 02:32:59,483 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:32:59,483 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:32:59,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-22 02:32:59,483 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 02:32:59,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:32:59,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1833215178, now seen corresponding path program 1 times [2022-11-22 02:32:59,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:32:59,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364608058] [2022-11-22 02:32:59,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:32:59,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:32:59,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:33:00,065 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:33:00,066 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:33:00,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364608058] [2022-11-22 02:33:00,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364608058] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:33:00,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:33:00,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:33:00,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68695881] [2022-11-22 02:33:00,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:33:00,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:33:00,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:33:00,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:33:00,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:33:00,068 INFO L87 Difference]: Start difference. First operand 6307 states and 9571 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-22 02:33:02,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:33:05,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 02:33:08,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:33:10,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:33:11,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:33:11,574 INFO L93 Difference]: Finished difference Result 6307 states and 9571 transitions. [2022-11-22 02:33:11,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:33:11,575 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 84 [2022-11-22 02:33:11,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:33:11,611 INFO L225 Difference]: With dead ends: 6307 [2022-11-22 02:33:11,611 INFO L226 Difference]: Without dead ends: 6305 [2022-11-22 02:33:11,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:33:11,617 INFO L413 NwaCegarLoop]: 8192 mSDtfsCounter, 8545 mSDsluCounter, 8192 mSDsCounter, 0 mSdLazyCounter, 759 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8547 SdHoareTripleChecker+Valid, 16384 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 759 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2022-11-22 02:33:11,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8547 Valid, 16384 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 759 Invalid, 2 Unknown, 0 Unchecked, 10.8s Time] [2022-11-22 02:33:11,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6305 states. [2022-11-22 02:33:12,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6305 to 6305. [2022-11-22 02:33:12,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6305 states, 3346 states have (on average 1.2806335923490735) internal successors, (4285), 3793 states have internal predecessors, (4285), 2643 states have call successors, (2643), 300 states have call predecessors, (2643), 299 states have return successors, (2641), 2341 states have call predecessors, (2641), 2641 states have call successors, (2641) [2022-11-22 02:33:12,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6305 states to 6305 states and 9569 transitions. [2022-11-22 02:33:12,584 INFO L78 Accepts]: Start accepts. Automaton has 6305 states and 9569 transitions. Word has length 84 [2022-11-22 02:33:12,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:33:12,586 INFO L495 AbstractCegarLoop]: Abstraction has 6305 states and 9569 transitions. [2022-11-22 02:33:12,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-22 02:33:12,587 INFO L276 IsEmpty]: Start isEmpty. Operand 6305 states and 9569 transitions. [2022-11-22 02:33:12,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-22 02:33:12,588 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:33:12,589 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:33:12,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-22 02:33:12,589 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 02:33:12,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:33:12,589 INFO L85 PathProgramCache]: Analyzing trace with hash -781923175, now seen corresponding path program 1 times [2022-11-22 02:33:12,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:33:12,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852037723] [2022-11-22 02:33:12,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:33:12,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:33:12,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:33:13,152 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:33:13,152 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:33:13,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852037723] [2022-11-22 02:33:13,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852037723] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:33:13,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:33:13,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:33:13,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332792382] [2022-11-22 02:33:13,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:33:13,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:33:13,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:33:13,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:33:13,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:33:13,155 INFO L87 Difference]: Start difference. First operand 6305 states and 9569 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-22 02:33:15,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:33:18,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:33:20,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:33:21,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:33:21,835 INFO L93 Difference]: Finished difference Result 6305 states and 9569 transitions. [2022-11-22 02:33:21,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:33:21,835 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 89 [2022-11-22 02:33:21,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:33:21,855 INFO L225 Difference]: With dead ends: 6305 [2022-11-22 02:33:21,856 INFO L226 Difference]: Without dead ends: 6303 [2022-11-22 02:33:21,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:33:21,859 INFO L413 NwaCegarLoop]: 8190 mSDtfsCounter, 8544 mSDsluCounter, 8190 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8546 SdHoareTripleChecker+Valid, 16380 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-11-22 02:33:21,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8546 Valid, 16380 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2022-11-22 02:33:21,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6303 states. [2022-11-22 02:33:22,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6303 to 6303. [2022-11-22 02:33:22,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6303 states, 3345 states have (on average 1.2804185351270554) internal successors, (4283), 3791 states have internal predecessors, (4283), 2643 states have call successors, (2643), 300 states have call predecessors, (2643), 299 states have return successors, (2641), 2341 states have call predecessors, (2641), 2641 states have call successors, (2641) [2022-11-22 02:33:22,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6303 states to 6303 states and 9567 transitions. [2022-11-22 02:33:22,734 INFO L78 Accepts]: Start accepts. Automaton has 6303 states and 9567 transitions. Word has length 89 [2022-11-22 02:33:22,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:33:22,734 INFO L495 AbstractCegarLoop]: Abstraction has 6303 states and 9567 transitions. [2022-11-22 02:33:22,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-22 02:33:22,735 INFO L276 IsEmpty]: Start isEmpty. Operand 6303 states and 9567 transitions. [2022-11-22 02:33:22,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-22 02:33:22,736 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:33:22,736 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:33:22,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-22 02:33:22,736 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 02:33:22,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:33:22,736 INFO L85 PathProgramCache]: Analyzing trace with hash -2056070470, now seen corresponding path program 1 times [2022-11-22 02:33:22,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:33:22,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702399304] [2022-11-22 02:33:22,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:33:22,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:33:22,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:33:23,372 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:33:23,373 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:33:23,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702399304] [2022-11-22 02:33:23,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702399304] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:33:23,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:33:23,373 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:33:23,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644900503] [2022-11-22 02:33:23,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:33:23,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:33:23,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:33:23,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:33:23,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:33:23,375 INFO L87 Difference]: Start difference. First operand 6303 states and 9567 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-22 02:33:29,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:33:30,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:33:32,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:33:32,935 INFO L93 Difference]: Finished difference Result 6308 states and 9570 transitions. [2022-11-22 02:33:32,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:33:32,936 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 94 [2022-11-22 02:33:32,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:33:32,958 INFO L225 Difference]: With dead ends: 6308 [2022-11-22 02:33:32,958 INFO L226 Difference]: Without dead ends: 6306 [2022-11-22 02:33:32,962 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:33:32,962 INFO L413 NwaCegarLoop]: 8448 mSDtfsCounter, 8453 mSDsluCounter, 9361 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8461 SdHoareTripleChecker+Valid, 17809 SdHoareTripleChecker+Invalid, 815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-11-22 02:33:32,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8461 Valid, 17809 Invalid, 815 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 814 Invalid, 1 Unknown, 0 Unchecked, 8.8s Time] [2022-11-22 02:33:32,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6306 states. [2022-11-22 02:33:33,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6306 to 6301. [2022-11-22 02:33:33,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6301 states, 3344 states have (on average 1.2802033492822966) internal successors, (4281), 3789 states have internal predecessors, (4281), 2643 states have call successors, (2643), 300 states have call predecessors, (2643), 299 states have return successors, (2641), 2341 states have call predecessors, (2641), 2641 states have call successors, (2641) [2022-11-22 02:33:33,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6301 states to 6301 states and 9565 transitions. [2022-11-22 02:33:33,790 INFO L78 Accepts]: Start accepts. Automaton has 6301 states and 9565 transitions. Word has length 94 [2022-11-22 02:33:33,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:33:33,791 INFO L495 AbstractCegarLoop]: Abstraction has 6301 states and 9565 transitions. [2022-11-22 02:33:33,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-22 02:33:33,791 INFO L276 IsEmpty]: Start isEmpty. Operand 6301 states and 9565 transitions. [2022-11-22 02:33:33,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-22 02:33:33,792 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:33:33,793 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:33:33,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-22 02:33:33,793 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 02:33:33,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:33:33,794 INFO L85 PathProgramCache]: Analyzing trace with hash -443740313, now seen corresponding path program 1 times [2022-11-22 02:33:33,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:33:33,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234507984] [2022-11-22 02:33:33,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:33:33,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:33:33,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:33:34,381 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:33:34,381 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:33:34,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234507984] [2022-11-22 02:33:34,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234507984] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:33:34,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:33:34,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:33:34,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172751573] [2022-11-22 02:33:34,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:33:34,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:33:34,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:33:34,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:33:34,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:33:34,383 INFO L87 Difference]: Start difference. First operand 6301 states and 9565 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-22 02:33:39,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:33:40,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:33:42,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:33:42,717 INFO L93 Difference]: Finished difference Result 6306 states and 9568 transitions. [2022-11-22 02:33:42,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:33:42,717 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 99 [2022-11-22 02:33:42,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:33:42,738 INFO L225 Difference]: With dead ends: 6306 [2022-11-22 02:33:42,739 INFO L226 Difference]: Without dead ends: 6304 [2022-11-22 02:33:42,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:33:42,742 INFO L413 NwaCegarLoop]: 8448 mSDtfsCounter, 8450 mSDsluCounter, 9361 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8458 SdHoareTripleChecker+Valid, 17809 SdHoareTripleChecker+Invalid, 815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-11-22 02:33:42,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8458 Valid, 17809 Invalid, 815 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 814 Invalid, 1 Unknown, 0 Unchecked, 7.5s Time] [2022-11-22 02:33:42,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6304 states. [2022-11-22 02:33:43,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6304 to 6299. [2022-11-22 02:33:43,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6299 states, 3343 states have (on average 1.2799880346993717) internal successors, (4279), 3787 states have internal predecessors, (4279), 2643 states have call successors, (2643), 300 states have call predecessors, (2643), 299 states have return successors, (2641), 2341 states have call predecessors, (2641), 2641 states have call successors, (2641) [2022-11-22 02:33:43,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6299 states to 6299 states and 9563 transitions. [2022-11-22 02:33:43,362 INFO L78 Accepts]: Start accepts. Automaton has 6299 states and 9563 transitions. Word has length 99 [2022-11-22 02:33:43,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:33:43,362 INFO L495 AbstractCegarLoop]: Abstraction has 6299 states and 9563 transitions. [2022-11-22 02:33:43,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-22 02:33:43,363 INFO L276 IsEmpty]: Start isEmpty. Operand 6299 states and 9563 transitions. [2022-11-22 02:33:43,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-22 02:33:43,365 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:33:43,365 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:33:43,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-22 02:33:43,365 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 02:33:43,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:33:43,366 INFO L85 PathProgramCache]: Analyzing trace with hash 221740680, now seen corresponding path program 1 times [2022-11-22 02:33:43,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:33:43,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052382686] [2022-11-22 02:33:43,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:33:43,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:33:43,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:33:43,920 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:33:43,921 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:33:43,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052382686] [2022-11-22 02:33:43,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052382686] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:33:43,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:33:43,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:33:43,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737224788] [2022-11-22 02:33:43,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:33:43,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:33:43,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:33:43,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:33:43,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:33:43,923 INFO L87 Difference]: Start difference. First operand 6299 states and 9563 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-22 02:33:48,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 02:33:50,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:33:52,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:33:53,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:33:53,973 INFO L93 Difference]: Finished difference Result 6299 states and 9563 transitions. [2022-11-22 02:33:53,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:33:53,974 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 104 [2022-11-22 02:33:53,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:33:53,992 INFO L225 Difference]: With dead ends: 6299 [2022-11-22 02:33:53,993 INFO L226 Difference]: Without dead ends: 6297 [2022-11-22 02:33:53,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:33:53,997 INFO L413 NwaCegarLoop]: 8184 mSDtfsCounter, 8535 mSDsluCounter, 8184 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8537 SdHoareTripleChecker+Valid, 16368 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:33:53,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8537 Valid, 16368 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2022-11-22 02:33:54,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6297 states. [2022-11-22 02:33:54,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6297 to 6297. [2022-11-22 02:33:54,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6297 states, 3342 states have (on average 1.279772591262717) internal successors, (4277), 3785 states have internal predecessors, (4277), 2643 states have call successors, (2643), 300 states have call predecessors, (2643), 299 states have return successors, (2641), 2341 states have call predecessors, (2641), 2641 states have call successors, (2641) [2022-11-22 02:33:54,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6297 states to 6297 states and 9561 transitions. [2022-11-22 02:33:54,715 INFO L78 Accepts]: Start accepts. Automaton has 6297 states and 9561 transitions. Word has length 104 [2022-11-22 02:33:54,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:33:54,716 INFO L495 AbstractCegarLoop]: Abstraction has 6297 states and 9561 transitions. [2022-11-22 02:33:54,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-22 02:33:54,716 INFO L276 IsEmpty]: Start isEmpty. Operand 6297 states and 9561 transitions. [2022-11-22 02:33:54,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-22 02:33:54,718 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:33:54,718 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:33:54,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-22 02:33:54,718 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 02:33:54,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:33:54,719 INFO L85 PathProgramCache]: Analyzing trace with hash 2105363702, now seen corresponding path program 1 times [2022-11-22 02:33:54,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:33:54,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340505175] [2022-11-22 02:33:54,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:33:54,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:33:54,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:33:55,255 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:33:55,256 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:33:55,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340505175] [2022-11-22 02:33:55,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340505175] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:33:55,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:33:55,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:33:55,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378971959] [2022-11-22 02:33:55,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:33:55,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:33:55,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:33:55,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:33:55,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:33:55,262 INFO L87 Difference]: Start difference. First operand 6297 states and 9561 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-22 02:33:58,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:34:01,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:34:04,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:34:04,112 INFO L93 Difference]: Finished difference Result 6302 states and 9564 transitions. [2022-11-22 02:34:04,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:34:04,112 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 109 [2022-11-22 02:34:04,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:34:04,127 INFO L225 Difference]: With dead ends: 6302 [2022-11-22 02:34:04,128 INFO L226 Difference]: Without dead ends: 6300 [2022-11-22 02:34:04,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:34:04,130 INFO L413 NwaCegarLoop]: 8420 mSDtfsCounter, 8374 mSDsluCounter, 9333 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8385 SdHoareTripleChecker+Valid, 17753 SdHoareTripleChecker+Invalid, 813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-11-22 02:34:04,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8385 Valid, 17753 Invalid, 813 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 811 Invalid, 2 Unknown, 0 Unchecked, 7.9s Time] [2022-11-22 02:34:04,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6300 states. [2022-11-22 02:34:04,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6300 to 6295. [2022-11-22 02:34:04,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6295 states, 3341 states have (on average 1.2795570188566296) internal successors, (4275), 3783 states have internal predecessors, (4275), 2643 states have call successors, (2643), 300 states have call predecessors, (2643), 299 states have return successors, (2641), 2341 states have call predecessors, (2641), 2641 states have call successors, (2641) [2022-11-22 02:34:04,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6295 states to 6295 states and 9559 transitions. [2022-11-22 02:34:04,767 INFO L78 Accepts]: Start accepts. Automaton has 6295 states and 9559 transitions. Word has length 109 [2022-11-22 02:34:04,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:34:04,768 INFO L495 AbstractCegarLoop]: Abstraction has 6295 states and 9559 transitions. [2022-11-22 02:34:04,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-22 02:34:04,768 INFO L276 IsEmpty]: Start isEmpty. Operand 6295 states and 9559 transitions. [2022-11-22 02:34:04,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-11-22 02:34:04,770 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:34:04,770 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:34:04,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-22 02:34:04,770 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 02:34:04,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:34:04,771 INFO L85 PathProgramCache]: Analyzing trace with hash -904850189, now seen corresponding path program 1 times [2022-11-22 02:34:04,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:34:04,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170109699] [2022-11-22 02:34:04,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:34:04,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:34:04,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:34:06,045 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-11-22 02:34:06,046 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:34:06,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170109699] [2022-11-22 02:34:06,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170109699] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:34:06,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:34:06,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:34:06,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230283860] [2022-11-22 02:34:06,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:34:06,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:34:06,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:34:06,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:34:06,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:34:06,050 INFO L87 Difference]: Start difference. First operand 6295 states and 9559 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-22 02:34:09,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:34:13,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:34:17,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:34:17,210 INFO L93 Difference]: Finished difference Result 11585 states and 18311 transitions. [2022-11-22 02:34:17,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-22 02:34:17,210 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 136 [2022-11-22 02:34:17,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:34:17,261 INFO L225 Difference]: With dead ends: 11585 [2022-11-22 02:34:17,261 INFO L226 Difference]: Without dead ends: 11583 [2022-11-22 02:34:17,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-22 02:34:17,269 INFO L413 NwaCegarLoop]: 10620 mSDtfsCounter, 8288 mSDsluCounter, 28986 mSDsCounter, 0 mSdLazyCounter, 1503 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8293 SdHoareTripleChecker+Valid, 39606 SdHoareTripleChecker+Invalid, 1508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1503 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2022-11-22 02:34:17,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8293 Valid, 39606 Invalid, 1508 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1503 Invalid, 2 Unknown, 0 Unchecked, 9.4s Time] [2022-11-22 02:34:17,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11583 states. [2022-11-22 02:34:19,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11583 to 11416. [2022-11-22 02:34:19,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11416 states, 6081 states have (on average 1.28893274132544) internal successors, (7838), 6970 states have internal predecessors, (7838), 4810 states have call successors, (4810), 534 states have call predecessors, (4810), 513 states have return successors, (5447), 4147 states have call predecessors, (5447), 4808 states have call successors, (5447) [2022-11-22 02:34:19,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11416 states to 11416 states and 18095 transitions. [2022-11-22 02:34:19,126 INFO L78 Accepts]: Start accepts. Automaton has 11416 states and 18095 transitions. Word has length 136 [2022-11-22 02:34:19,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:34:19,126 INFO L495 AbstractCegarLoop]: Abstraction has 11416 states and 18095 transitions. [2022-11-22 02:34:19,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-22 02:34:19,126 INFO L276 IsEmpty]: Start isEmpty. Operand 11416 states and 18095 transitions. [2022-11-22 02:34:19,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-22 02:34:19,128 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:34:19,128 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:34:19,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-22 02:34:19,129 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 02:34:19,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:34:19,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1554350129, now seen corresponding path program 1 times [2022-11-22 02:34:19,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:34:19,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842179967] [2022-11-22 02:34:19,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:34:19,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:34:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:34:19,796 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:34:19,796 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:34:19,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842179967] [2022-11-22 02:34:19,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842179967] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:34:19,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:34:19,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:34:19,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033267582] [2022-11-22 02:34:19,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:34:19,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:34:19,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:34:19,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:34:19,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:34:19,799 INFO L87 Difference]: Start difference. First operand 11416 states and 18095 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-22 02:34:22,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:34:25,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:34:27,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:34:29,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:34:29,953 INFO L93 Difference]: Finished difference Result 11421 states and 18098 transitions. [2022-11-22 02:34:29,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:34:29,953 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 114 [2022-11-22 02:34:29,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:34:29,990 INFO L225 Difference]: With dead ends: 11421 [2022-11-22 02:34:29,990 INFO L226 Difference]: Without dead ends: 11419 [2022-11-22 02:34:29,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:34:29,995 INFO L413 NwaCegarLoop]: 8455 mSDtfsCounter, 8441 mSDsluCounter, 9368 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8449 SdHoareTripleChecker+Valid, 17823 SdHoareTripleChecker+Invalid, 815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-11-22 02:34:29,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8449 Valid, 17823 Invalid, 815 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 814 Invalid, 1 Unknown, 0 Unchecked, 8.7s Time] [2022-11-22 02:34:30,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11419 states. [2022-11-22 02:34:31,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11419 to 11414. [2022-11-22 02:34:31,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11414 states, 6080 states have (on average 1.2888157894736842) internal successors, (7836), 6968 states have internal predecessors, (7836), 4810 states have call successors, (4810), 534 states have call predecessors, (4810), 513 states have return successors, (5447), 4147 states have call predecessors, (5447), 4808 states have call successors, (5447) [2022-11-22 02:34:31,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11414 states to 11414 states and 18093 transitions. [2022-11-22 02:34:31,916 INFO L78 Accepts]: Start accepts. Automaton has 11414 states and 18093 transitions. Word has length 114 [2022-11-22 02:34:31,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:34:31,916 INFO L495 AbstractCegarLoop]: Abstraction has 11414 states and 18093 transitions. [2022-11-22 02:34:31,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-22 02:34:31,917 INFO L276 IsEmpty]: Start isEmpty. Operand 11414 states and 18093 transitions. [2022-11-22 02:34:31,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-22 02:34:31,919 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:34:31,919 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:34:31,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-22 02:34:31,920 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 02:34:31,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:34:31,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1298111441, now seen corresponding path program 1 times [2022-11-22 02:34:31,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:34:31,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583823423] [2022-11-22 02:34:31,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:34:31,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:34:32,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:34:32,932 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:34:32,932 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:34:32,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583823423] [2022-11-22 02:34:32,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583823423] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:34:32,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:34:32,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:34:32,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955251440] [2022-11-22 02:34:32,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:34:32,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:34:32,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:34:32,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:34:32,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:34:32,934 INFO L87 Difference]: Start difference. First operand 11414 states and 18093 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-22 02:34:36,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:34:38,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:34:40,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:34:42,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:34:42,520 INFO L93 Difference]: Finished difference Result 11428 states and 18106 transitions. [2022-11-22 02:34:42,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:34:42,520 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 119 [2022-11-22 02:34:42,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:34:42,558 INFO L225 Difference]: With dead ends: 11428 [2022-11-22 02:34:42,559 INFO L226 Difference]: Without dead ends: 11426 [2022-11-22 02:34:42,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:34:42,565 INFO L413 NwaCegarLoop]: 8181 mSDtfsCounter, 8456 mSDsluCounter, 8258 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8461 SdHoareTripleChecker+Valid, 16439 SdHoareTripleChecker+Invalid, 762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-11-22 02:34:42,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8461 Valid, 16439 Invalid, 762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 760 Invalid, 2 Unknown, 0 Unchecked, 8.0s Time] [2022-11-22 02:34:42,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11426 states. [2022-11-22 02:34:44,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11426 to 11426. [2022-11-22 02:34:44,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11426 states, 6086 states have (on average 1.288366743345383) internal successors, (7841), 6973 states have internal predecessors, (7841), 4813 states have call successors, (4813), 538 states have call predecessors, (4813), 517 states have return successors, (5450), 4150 states have call predecessors, (5450), 4811 states have call successors, (5450) [2022-11-22 02:34:44,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11426 states to 11426 states and 18104 transitions. [2022-11-22 02:34:44,363 INFO L78 Accepts]: Start accepts. Automaton has 11426 states and 18104 transitions. Word has length 119 [2022-11-22 02:34:44,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:34:44,364 INFO L495 AbstractCegarLoop]: Abstraction has 11426 states and 18104 transitions. [2022-11-22 02:34:44,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-22 02:34:44,364 INFO L276 IsEmpty]: Start isEmpty. Operand 11426 states and 18104 transitions. [2022-11-22 02:34:44,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-22 02:34:44,367 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:34:44,367 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:34:44,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-22 02:34:44,367 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 02:34:44,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:34:44,368 INFO L85 PathProgramCache]: Analyzing trace with hash -579550511, now seen corresponding path program 1 times [2022-11-22 02:34:44,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:34:44,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263761774] [2022-11-22 02:34:44,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:34:44,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:34:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:34:44,912 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:34:44,913 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:34:44,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263761774] [2022-11-22 02:34:44,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263761774] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:34:44,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:34:44,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:34:44,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384234833] [2022-11-22 02:34:44,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:34:44,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:34:44,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:34:44,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:34:44,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:34:44,919 INFO L87 Difference]: Start difference. First operand 11426 states and 18104 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-22 02:34:48,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:34:51,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:34:53,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:34:55,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:34:55,698 INFO L93 Difference]: Finished difference Result 11426 states and 18104 transitions. [2022-11-22 02:34:55,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:34:55,699 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 124 [2022-11-22 02:34:55,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:34:55,741 INFO L225 Difference]: With dead ends: 11426 [2022-11-22 02:34:55,741 INFO L226 Difference]: Without dead ends: 11424 [2022-11-22 02:34:55,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:34:55,746 INFO L413 NwaCegarLoop]: 8179 mSDtfsCounter, 8453 mSDsluCounter, 8256 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8458 SdHoareTripleChecker+Valid, 16435 SdHoareTripleChecker+Invalid, 762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-11-22 02:34:55,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8458 Valid, 16435 Invalid, 762 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 1 Unknown, 0 Unchecked, 9.0s Time] [2022-11-22 02:34:55,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11424 states. [2022-11-22 02:34:57,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11424 to 11424. [2022-11-22 02:34:57,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11424 states, 6085 states have (on average 1.2882497945768283) internal successors, (7839), 6971 states have internal predecessors, (7839), 4813 states have call successors, (4813), 538 states have call predecessors, (4813), 517 states have return successors, (5450), 4150 states have call predecessors, (5450), 4811 states have call successors, (5450) [2022-11-22 02:34:57,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11424 states to 11424 states and 18102 transitions. [2022-11-22 02:34:57,589 INFO L78 Accepts]: Start accepts. Automaton has 11424 states and 18102 transitions. Word has length 124 [2022-11-22 02:34:57,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:34:57,589 INFO L495 AbstractCegarLoop]: Abstraction has 11424 states and 18102 transitions. [2022-11-22 02:34:57,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-22 02:34:57,590 INFO L276 IsEmpty]: Start isEmpty. Operand 11424 states and 18102 transitions. [2022-11-22 02:34:57,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-22 02:34:57,592 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:34:57,592 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:34:57,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-22 02:34:57,592 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 02:34:57,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:34:57,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1435369926, now seen corresponding path program 1 times [2022-11-22 02:34:57,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:34:57,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693648209] [2022-11-22 02:34:57,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:34:57,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:34:57,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:34:58,129 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:34:58,129 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:34:58,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693648209] [2022-11-22 02:34:58,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693648209] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:34:58,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:34:58,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:34:58,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704910175] [2022-11-22 02:34:58,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:34:58,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:34:58,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:34:58,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:34:58,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:34:58,131 INFO L87 Difference]: Start difference. First operand 11424 states and 18102 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) [2022-11-22 02:35:01,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:35:04,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:35:06,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:35:08,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:35:08,862 INFO L93 Difference]: Finished difference Result 11424 states and 18102 transitions. [2022-11-22 02:35:08,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:35:08,863 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 [2022-11-22 02:35:08,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:35:08,894 INFO L225 Difference]: With dead ends: 11424 [2022-11-22 02:35:08,894 INFO L226 Difference]: Without dead ends: 11422 [2022-11-22 02:35:08,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:35:08,898 INFO L413 NwaCegarLoop]: 8177 mSDtfsCounter, 8450 mSDsluCounter, 8254 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8455 SdHoareTripleChecker+Valid, 16431 SdHoareTripleChecker+Invalid, 762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-11-22 02:35:08,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8455 Valid, 16431 Invalid, 762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 760 Invalid, 2 Unknown, 0 Unchecked, 9.0s Time] [2022-11-22 02:35:08,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11422 states. [2022-11-22 02:35:10,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11422 to 11422. [2022-11-22 02:35:10,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11422 states, 6084 states have (on average 1.2881328073635765) internal successors, (7837), 6969 states have internal predecessors, (7837), 4813 states have call successors, (4813), 538 states have call predecessors, (4813), 517 states have return successors, (5450), 4150 states have call predecessors, (5450), 4811 states have call successors, (5450) [2022-11-22 02:35:10,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11422 states to 11422 states and 18100 transitions. [2022-11-22 02:35:10,888 INFO L78 Accepts]: Start accepts. Automaton has 11422 states and 18100 transitions. Word has length 129 [2022-11-22 02:35:10,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:35:10,889 INFO L495 AbstractCegarLoop]: Abstraction has 11422 states and 18100 transitions. [2022-11-22 02:35:10,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-22 02:35:10,889 INFO L276 IsEmpty]: Start isEmpty. Operand 11422 states and 18100 transitions. [2022-11-22 02:35:10,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-11-22 02:35:10,892 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:35:10,892 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:35:10,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-22 02:35:10,892 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 02:35:10,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:35:10,893 INFO L85 PathProgramCache]: Analyzing trace with hash 2038942982, now seen corresponding path program 1 times [2022-11-22 02:35:10,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:35:10,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129699137] [2022-11-22 02:35:10,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:35:10,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:35:11,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:35:11,865 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-11-22 02:35:11,865 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:35:11,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129699137] [2022-11-22 02:35:11,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129699137] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:35:11,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:35:11,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:35:11,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688632959] [2022-11-22 02:35:11,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:35:11,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:35:11,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:35:11,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:35:11,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:35:11,868 INFO L87 Difference]: Start difference. First operand 11422 states and 18100 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-22 02:35:15,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:35:20,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:35:22,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:35:24,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:35:26,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:35:27,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:35:31,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:35:33,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:35:36,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:35:36,180 INFO L93 Difference]: Finished difference Result 12172 states and 19193 transitions. [2022-11-22 02:35:36,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-22 02:35:36,181 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 162 [2022-11-22 02:35:36,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:35:36,320 INFO L225 Difference]: With dead ends: 12172 [2022-11-22 02:35:36,320 INFO L226 Difference]: Without dead ends: 12170 [2022-11-22 02:35:36,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-22 02:35:36,325 INFO L413 NwaCegarLoop]: 8926 mSDtfsCounter, 1309 mSDsluCounter, 25655 mSDsCounter, 0 mSdLazyCounter, 1626 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1311 SdHoareTripleChecker+Valid, 34581 SdHoareTripleChecker+Invalid, 1632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1626 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.6s IncrementalHoareTripleChecker+Time [2022-11-22 02:35:36,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1311 Valid, 34581 Invalid, 1632 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1626 Invalid, 4 Unknown, 0 Unchecked, 22.6s Time] [2022-11-22 02:35:36,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12170 states. [2022-11-22 02:35:38,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12170 to 12150. [2022-11-22 02:35:38,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12150 states, 6471 states have (on average 1.2846546128882708) internal successors, (8313), 7401 states have internal predecessors, (8313), 5067 states have call successors, (5067), 638 states have call predecessors, (5067), 604 states have return successors, (5777), 4353 states have call predecessors, (5777), 5065 states have call successors, (5777) [2022-11-22 02:35:38,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12150 states to 12150 states and 19157 transitions. [2022-11-22 02:35:38,267 INFO L78 Accepts]: Start accepts. Automaton has 12150 states and 19157 transitions. Word has length 162 [2022-11-22 02:35:38,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:35:38,268 INFO L495 AbstractCegarLoop]: Abstraction has 12150 states and 19157 transitions. [2022-11-22 02:35:38,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-22 02:35:38,268 INFO L276 IsEmpty]: Start isEmpty. Operand 12150 states and 19157 transitions. [2022-11-22 02:35:38,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-11-22 02:35:38,271 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:35:38,272 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:35:38,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-22 02:35:38,272 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 02:35:38,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:35:38,273 INFO L85 PathProgramCache]: Analyzing trace with hash 261883396, now seen corresponding path program 1 times [2022-11-22 02:35:38,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:35:38,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789367531] [2022-11-22 02:35:38,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:35:38,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:35:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:35:39,753 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-11-22 02:35:39,753 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:35:39,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789367531] [2022-11-22 02:35:39,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789367531] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:35:39,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:35:39,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:35:39,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042892609] [2022-11-22 02:35:39,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:35:39,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:35:39,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:35:39,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:35:39,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:35:39,757 INFO L87 Difference]: Start difference. First operand 12150 states and 19157 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-22 02:35:44,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:35:48,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:35:50,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:35:56,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:35:56,040 INFO L93 Difference]: Finished difference Result 23709 states and 39902 transitions. [2022-11-22 02:35:56,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-22 02:35:56,040 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 160 [2022-11-22 02:35:56,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:35:56,147 INFO L225 Difference]: With dead ends: 23709 [2022-11-22 02:35:56,147 INFO L226 Difference]: Without dead ends: 23707 [2022-11-22 02:35:56,161 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-22 02:35:56,162 INFO L413 NwaCegarLoop]: 10885 mSDtfsCounter, 8769 mSDsluCounter, 29840 mSDsCounter, 0 mSdLazyCounter, 1529 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8771 SdHoareTripleChecker+Valid, 40725 SdHoareTripleChecker+Invalid, 1534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1529 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2022-11-22 02:35:56,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8771 Valid, 40725 Invalid, 1534 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1529 Invalid, 2 Unknown, 0 Unchecked, 12.7s Time] [2022-11-22 02:35:56,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23707 states. [2022-11-22 02:36:00,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23707 to 23544. [2022-11-22 02:36:00,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23544 states, 12513 states have (on average 1.2873012067449852) internal successors, (16108), 14357 states have internal predecessors, (16108), 9895 states have call successors, (9895), 1220 states have call predecessors, (9895), 1128 states have return successors, (13656), 8371 states have call predecessors, (13656), 9893 states have call successors, (13656) [2022-11-22 02:36:00,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23544 states to 23544 states and 39659 transitions. [2022-11-22 02:36:00,506 INFO L78 Accepts]: Start accepts. Automaton has 23544 states and 39659 transitions. Word has length 160 [2022-11-22 02:36:00,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:36:00,507 INFO L495 AbstractCegarLoop]: Abstraction has 23544 states and 39659 transitions. [2022-11-22 02:36:00,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-22 02:36:00,507 INFO L276 IsEmpty]: Start isEmpty. Operand 23544 states and 39659 transitions. [2022-11-22 02:36:00,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-22 02:36:00,510 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:36:00,510 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:36:00,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-22 02:36:00,511 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 02:36:00,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:36:00,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1846501338, now seen corresponding path program 1 times [2022-11-22 02:36:00,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:36:00,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540929554] [2022-11-22 02:36:00,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:36:00,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:36:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:36:01,232 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:36:01,232 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:36:01,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540929554] [2022-11-22 02:36:01,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540929554] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:36:01,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:36:01,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:36:01,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629233035] [2022-11-22 02:36:01,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:36:01,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:36:01,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:36:01,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:36:01,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:36:01,234 INFO L87 Difference]: Start difference. First operand 23544 states and 39659 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) [2022-11-22 02:36:03,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:36:05,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 02:36:08,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:36:10,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:36:13,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:36:13,748 INFO L93 Difference]: Finished difference Result 23544 states and 39659 transitions. [2022-11-22 02:36:13,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:36:13,748 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 [2022-11-22 02:36:13,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:36:13,831 INFO L225 Difference]: With dead ends: 23544 [2022-11-22 02:36:13,831 INFO L226 Difference]: Without dead ends: 23542 [2022-11-22 02:36:13,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:36:13,842 INFO L413 NwaCegarLoop]: 8172 mSDtfsCounter, 8517 mSDsluCounter, 8172 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8519 SdHoareTripleChecker+Valid, 16344 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2022-11-22 02:36:13,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8519 Valid, 16344 Invalid, 761 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 760 Invalid, 1 Unknown, 0 Unchecked, 9.4s Time] [2022-11-22 02:36:13,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23542 states. [2022-11-22 02:36:17,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23542 to 23542. [2022-11-22 02:36:18,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23542 states, 12512 states have (on average 1.2872442455242967) internal successors, (16106), 14355 states have internal predecessors, (16106), 9895 states have call successors, (9895), 1220 states have call predecessors, (9895), 1128 states have return successors, (13656), 8371 states have call predecessors, (13656), 9893 states have call successors, (13656) [2022-11-22 02:36:18,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23542 states to 23542 states and 39657 transitions. [2022-11-22 02:36:18,146 INFO L78 Accepts]: Start accepts. Automaton has 23542 states and 39657 transitions. Word has length 134 [2022-11-22 02:36:18,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:36:18,147 INFO L495 AbstractCegarLoop]: Abstraction has 23542 states and 39657 transitions. [2022-11-22 02:36:18,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-22 02:36:18,147 INFO L276 IsEmpty]: Start isEmpty. Operand 23542 states and 39657 transitions. [2022-11-22 02:36:18,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-22 02:36:18,151 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:36:18,151 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:36:18,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-22 02:36:18,152 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 02:36:18,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:36:18,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1075367791, now seen corresponding path program 1 times [2022-11-22 02:36:18,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:36:18,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173803105] [2022-11-22 02:36:18,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:36:18,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:36:18,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:36:18,618 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:36:18,619 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:36:18,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173803105] [2022-11-22 02:36:18,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173803105] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:36:18,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:36:18,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:36:18,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989610396] [2022-11-22 02:36:18,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:36:18,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:36:18,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:36:18,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:36:18,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:36:18,620 INFO L87 Difference]: Start difference. First operand 23542 states and 39657 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-22 02:36:21,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:36:23,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 02:36:26,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:36:31,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:36:31,004 INFO L93 Difference]: Finished difference Result 23547 states and 39660 transitions. [2022-11-22 02:36:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:36:31,005 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 139 [2022-11-22 02:36:31,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:36:31,107 INFO L225 Difference]: With dead ends: 23547 [2022-11-22 02:36:31,107 INFO L226 Difference]: Without dead ends: 23545 [2022-11-22 02:36:31,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:36:31,119 INFO L413 NwaCegarLoop]: 8430 mSDtfsCounter, 8356 mSDsluCounter, 9343 mSDsCounter, 0 mSdLazyCounter, 813 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8367 SdHoareTripleChecker+Valid, 17773 SdHoareTripleChecker+Invalid, 815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 813 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:36:31,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8367 Valid, 17773 Invalid, 815 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 813 Invalid, 2 Unknown, 0 Unchecked, 9.2s Time] [2022-11-22 02:36:31,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23545 states. [2022-11-22 02:36:36,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23545 to 23540. [2022-11-22 02:36:36,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23540 states, 12511 states have (on average 1.287187275197826) internal successors, (16104), 14353 states have internal predecessors, (16104), 9895 states have call successors, (9895), 1220 states have call predecessors, (9895), 1128 states have return successors, (13656), 8371 states have call predecessors, (13656), 9893 states have call successors, (13656) [2022-11-22 02:36:36,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23540 states to 23540 states and 39655 transitions. [2022-11-22 02:36:36,353 INFO L78 Accepts]: Start accepts. Automaton has 23540 states and 39655 transitions. Word has length 139 [2022-11-22 02:36:36,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:36:36,354 INFO L495 AbstractCegarLoop]: Abstraction has 23540 states and 39655 transitions. [2022-11-22 02:36:36,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-22 02:36:36,355 INFO L276 IsEmpty]: Start isEmpty. Operand 23540 states and 39655 transitions. [2022-11-22 02:36:36,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-22 02:36:36,358 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:36:36,358 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:36:36,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-22 02:36:36,359 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 02:36:36,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:36:36,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1409125976, now seen corresponding path program 1 times [2022-11-22 02:36:36,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:36:36,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437360482] [2022-11-22 02:36:36,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:36:36,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:36:36,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:36:36,840 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:36:36,840 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:36:36,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437360482] [2022-11-22 02:36:36,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437360482] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:36:36,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:36:36,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:36:36,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055523255] [2022-11-22 02:36:36,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:36:36,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:36:36,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:36:36,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:36:36,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:36:36,843 INFO L87 Difference]: Start difference. First operand 23540 states and 39655 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-22 02:36:39,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:36:42,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:36:43,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:36:48,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:36:48,750 INFO L93 Difference]: Finished difference Result 23545 states and 39658 transitions. [2022-11-22 02:36:48,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:36:48,750 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 144 [2022-11-22 02:36:48,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:36:48,888 INFO L225 Difference]: With dead ends: 23545 [2022-11-22 02:36:48,888 INFO L226 Difference]: Without dead ends: 23335 [2022-11-22 02:36:48,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:36:48,908 INFO L413 NwaCegarLoop]: 8452 mSDtfsCounter, 8423 mSDsluCounter, 9365 mSDsCounter, 0 mSdLazyCounter, 816 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8429 SdHoareTripleChecker+Valid, 17817 SdHoareTripleChecker+Invalid, 817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 816 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-11-22 02:36:48,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8429 Valid, 17817 Invalid, 817 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 816 Invalid, 1 Unknown, 0 Unchecked, 7.9s Time] [2022-11-22 02:36:48,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23335 states. [2022-11-22 02:36:53,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23335 to 23330. [2022-11-22 02:36:53,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23330 states, 12407 states have (on average 1.28798259047312) internal successors, (15980), 14236 states have internal predecessors, (15980), 9809 states have call successors, (9809), 1200 states have call predecessors, (9809), 1109 states have return successors, (13566), 8290 states have call predecessors, (13566), 9807 states have call successors, (13566) [2022-11-22 02:36:53,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23330 states to 23330 states and 39355 transitions. [2022-11-22 02:36:53,804 INFO L78 Accepts]: Start accepts. Automaton has 23330 states and 39355 transitions. Word has length 144 [2022-11-22 02:36:53,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:36:53,805 INFO L495 AbstractCegarLoop]: Abstraction has 23330 states and 39355 transitions. [2022-11-22 02:36:53,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-22 02:36:53,805 INFO L276 IsEmpty]: Start isEmpty. Operand 23330 states and 39355 transitions. [2022-11-22 02:36:53,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-11-22 02:36:53,808 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:36:53,808 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:36:53,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-22 02:36:53,808 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 02:36:53,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:36:53,809 INFO L85 PathProgramCache]: Analyzing trace with hash -412496994, now seen corresponding path program 1 times [2022-11-22 02:36:53,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:36:53,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506414334] [2022-11-22 02:36:53,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:36:53,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:36:54,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:36:54,371 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-11-22 02:36:54,371 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:36:54,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506414334] [2022-11-22 02:36:54,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506414334] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:36:54,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:36:54,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:36:54,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055338016] [2022-11-22 02:36:54,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:36:54,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:36:54,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:36:54,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:36:54,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:36:54,373 INFO L87 Difference]: Start difference. First operand 23330 states and 39355 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-22 02:36:56,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:36:58,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:37:00,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:37:02,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:37:06,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:37:06,631 INFO L93 Difference]: Finished difference Result 46664 states and 79093 transitions. [2022-11-22 02:37:06,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:37:06,634 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) Word has length 169 [2022-11-22 02:37:06,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:37:06,803 INFO L225 Difference]: With dead ends: 46664 [2022-11-22 02:37:06,803 INFO L226 Difference]: Without dead ends: 23354 [2022-11-22 02:37:07,012 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:37:07,013 INFO L413 NwaCegarLoop]: 8044 mSDtfsCounter, 5 mSDsluCounter, 8038 mSDsCounter, 0 mSdLazyCounter, 722 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 16082 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:37:07,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 16082 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 722 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2022-11-22 02:37:07,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23354 states. [2022-11-22 02:37:11,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23354 to 23344. [2022-11-22 02:37:11,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23344 states, 12416 states have (on average 1.2879349226804124) internal successors, (15991), 14247 states have internal predecessors, (15991), 9813 states have call successors, (9813), 1200 states have call predecessors, (9813), 1110 states have return successors, (13574), 8293 states have call predecessors, (13574), 9811 states have call successors, (13574) [2022-11-22 02:37:11,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23344 states to 23344 states and 39378 transitions. [2022-11-22 02:37:11,932 INFO L78 Accepts]: Start accepts. Automaton has 23344 states and 39378 transitions. Word has length 169 [2022-11-22 02:37:11,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:37:11,933 INFO L495 AbstractCegarLoop]: Abstraction has 23344 states and 39378 transitions. [2022-11-22 02:37:11,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-22 02:37:11,933 INFO L276 IsEmpty]: Start isEmpty. Operand 23344 states and 39378 transitions. [2022-11-22 02:37:11,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-11-22 02:37:11,936 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:37:11,936 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:37:11,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-22 02:37:11,937 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 02:37:11,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:37:11,944 INFO L85 PathProgramCache]: Analyzing trace with hash 2109999877, now seen corresponding path program 1 times [2022-11-22 02:37:11,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:37:11,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74726121] [2022-11-22 02:37:11,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:37:11,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:37:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:37:13,051 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-11-22 02:37:13,052 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:37:13,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74726121] [2022-11-22 02:37:13,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74726121] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:37:13,052 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:37:13,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:37:13,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915416325] [2022-11-22 02:37:13,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:37:13,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:37:13,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:37:13,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:37:13,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:37:13,053 INFO L87 Difference]: Start difference. First operand 23344 states and 39378 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-22 02:37:19,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:37:21,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:37:23,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:37:28,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:37:28,452 INFO L93 Difference]: Finished difference Result 46684 states and 79109 transitions. [2022-11-22 02:37:28,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:37:28,453 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 183 [2022-11-22 02:37:28,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:37:28,579 INFO L225 Difference]: With dead ends: 46684 [2022-11-22 02:37:28,579 INFO L226 Difference]: Without dead ends: 23360 [2022-11-22 02:37:28,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:37:28,724 INFO L413 NwaCegarLoop]: 8038 mSDtfsCounter, 5 mSDsluCounter, 16068 mSDsCounter, 0 mSdLazyCounter, 1085 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 24106 SdHoareTripleChecker+Invalid, 1087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1085 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2022-11-22 02:37:28,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 24106 Invalid, 1087 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1085 Invalid, 2 Unknown, 0 Unchecked, 11.7s Time] [2022-11-22 02:37:28,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23360 states.