./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 8393723b 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_d69a8b45-76db-4efa-bbbf-2b7e0901879d/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/bin/utaipan-I9t0OCRTmS/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_d69a8b45-76db-4efa-bbbf-2b7e0901879d/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/bin/utaipan-I9t0OCRTmS --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-8393723 [2022-11-19 07:31:23,317 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:31:23,319 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:31:23,342 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:31:23,343 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:31:23,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:31:23,350 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:31:23,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:31:23,357 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:31:23,360 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:31:23,361 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:31:23,362 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:31:23,362 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:31:23,363 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:31:23,364 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:31:23,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:31:23,366 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:31:23,367 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:31:23,369 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:31:23,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:31:23,372 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:31:23,373 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:31:23,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:31:23,375 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:31:23,378 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:31:23,378 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:31:23,379 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:31:23,379 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:31:23,380 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:31:23,381 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:31:23,381 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:31:23,382 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:31:23,382 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:31:23,383 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:31:23,384 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:31:23,384 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:31:23,385 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:31:23,385 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:31:23,385 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:31:23,386 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:31:23,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:31:23,388 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:31:23,409 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:31:23,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:31:23,410 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:31:23,410 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:31:23,411 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:31:23,411 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:31:23,411 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:31:23,411 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:31:23,411 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:31:23,412 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:31:23,412 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:31:23,412 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:31:23,412 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:31:23,412 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:31:23,412 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:31:23,413 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:31:23,413 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:31:23,413 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:31:23,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:31:23,414 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:31:23,414 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:31:23,414 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:31:23,414 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:31:23,415 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:31:23,415 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:31:23,415 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:31:23,415 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:31:23,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:31:23,416 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:31:23,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:31:23,416 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:31:23,416 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:31:23,416 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:31:23,416 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:31:23,417 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:31:23,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:31:23,417 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:31:23,417 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:31:23,417 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_d69a8b45-76db-4efa-bbbf-2b7e0901879d/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bbb4c890fadad0417fec53c1fd92092974d9fa843199f98b4f7f294d4c4112c7 [2022-11-19 07:31:23,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:31:23,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:31:23,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:31:23,731 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:31:23,732 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:31:23,733 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i [2022-11-19 07:31:23,795 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/bin/utaipan-I9t0OCRTmS/data/1159ed715/d1160775c9424df2bb9767d587ac6464/FLAG2922da036 [2022-11-19 07:31:25,028 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:31:25,028 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i [2022-11-19 07:31:25,115 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/bin/utaipan-I9t0OCRTmS/data/1159ed715/d1160775c9424df2bb9767d587ac6464/FLAG2922da036 [2022-11-19 07:31:25,153 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/bin/utaipan-I9t0OCRTmS/data/1159ed715/d1160775c9424df2bb9767d587ac6464 [2022-11-19 07:31:25,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:31:25,157 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:31:25,160 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:31:25,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:31:25,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:31:25,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:31:25" (1/1) ... [2022-11-19 07:31:25,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10c0f6e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:25, skipping insertion in model container [2022-11-19 07:31:25,166 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:31:25" (1/1) ... [2022-11-19 07:31:25,174 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:31:25,454 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:31:36,471 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914081,914094] [2022-11-19 07:31:36,476 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914226,914239] [2022-11-19 07:31:36,485 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914372,914385] [2022-11-19 07:31:36,492 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914537,914550] [2022-11-19 07:31:36,493 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914695,914708] [2022-11-19 07:31:36,494 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914853,914866] [2022-11-19 07:31:36,511 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915011,915024] [2022-11-19 07:31:36,511 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915171,915184] [2022-11-19 07:31:36,512 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915330,915343] [2022-11-19 07:31:36,512 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915469,915482] [2022-11-19 07:31:36,514 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915611,915624] [2022-11-19 07:31:36,515 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915760,915773] [2022-11-19 07:31:36,520 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915899,915912] [2022-11-19 07:31:36,521 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916054,916067] [2022-11-19 07:31:36,522 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916214,916227] [2022-11-19 07:31:36,522 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916365,916378] [2022-11-19 07:31:36,523 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916516,916529] [2022-11-19 07:31:36,524 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916668,916681] [2022-11-19 07:31:36,527 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916817,916830] [2022-11-19 07:31:36,527 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916965,916978] [2022-11-19 07:31:36,529 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917122,917135] [2022-11-19 07:31:36,530 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917271,917284] [2022-11-19 07:31:36,531 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917427,917440] [2022-11-19 07:31:36,531 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917580,917593] [2022-11-19 07:31:36,536 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917726,917739] [2022-11-19 07:31:36,537 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917869,917882] [2022-11-19 07:31:36,547 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918021,918034] [2022-11-19 07:31:36,547 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918167,918180] [2022-11-19 07:31:36,548 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918312,918325] [2022-11-19 07:31:36,548 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918466,918479] [2022-11-19 07:31:36,548 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918617,918630] [2022-11-19 07:31:36,549 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918772,918785] [2022-11-19 07:31:36,549 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918924,918937] [2022-11-19 07:31:36,549 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919079,919092] [2022-11-19 07:31:36,549 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919243,919256] [2022-11-19 07:31:36,553 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919399,919412] [2022-11-19 07:31:36,554 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919563,919576] [2022-11-19 07:31:36,554 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919705,919718] [2022-11-19 07:31:36,555 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919863,919876] [2022-11-19 07:31:36,556 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920030,920043] [2022-11-19 07:31:36,562 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920189,920202] [2022-11-19 07:31:36,562 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920348,920361] [2022-11-19 07:31:36,563 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920497,920510] [2022-11-19 07:31:36,563 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920644,920657] [2022-11-19 07:31:36,564 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920783,920796] [2022-11-19 07:31:36,564 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920946,920959] [2022-11-19 07:31:36,565 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921112,921125] [2022-11-19 07:31:36,565 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921276,921289] [2022-11-19 07:31:36,565 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921441,921454] [2022-11-19 07:31:36,566 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921606,921619] [2022-11-19 07:31:36,568 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921772,921785] [2022-11-19 07:31:36,568 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921937,921950] [2022-11-19 07:31:36,569 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922104,922117] [2022-11-19 07:31:36,570 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922264,922277] [2022-11-19 07:31:36,570 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922426,922439] [2022-11-19 07:31:36,571 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922585,922598] [2022-11-19 07:31:36,571 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922731,922744] [2022-11-19 07:31:36,572 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922874,922887] [2022-11-19 07:31:36,572 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923018,923031] [2022-11-19 07:31:36,572 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923161,923174] [2022-11-19 07:31:36,574 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923305,923318] [2022-11-19 07:31:36,575 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923446,923459] [2022-11-19 07:31:36,576 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923584,923597] [2022-11-19 07:31:36,576 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923742,923755] [2022-11-19 07:31:36,577 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923901,923914] [2022-11-19 07:31:36,577 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924057,924070] [2022-11-19 07:31:36,577 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924206,924219] [2022-11-19 07:31:36,578 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924358,924371] [2022-11-19 07:31:36,578 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924509,924522] [2022-11-19 07:31:36,579 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924658,924671] [2022-11-19 07:31:36,579 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924810,924823] [2022-11-19 07:31:36,580 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924958,924971] [2022-11-19 07:31:36,580 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925111,925124] [2022-11-19 07:31:36,581 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925262,925275] [2022-11-19 07:31:36,581 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925412,925425] [2022-11-19 07:31:36,582 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925559,925572] [2022-11-19 07:31:36,582 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925710,925723] [2022-11-19 07:31:36,583 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925861,925874] [2022-11-19 07:31:36,585 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926009,926022] [2022-11-19 07:31:36,585 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926175,926188] [2022-11-19 07:31:36,586 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926344,926357] [2022-11-19 07:31:36,586 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926511,926524] [2022-11-19 07:31:36,586 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926679,926692] [2022-11-19 07:31:36,587 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926829,926842] [2022-11-19 07:31:36,588 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926976,926989] [2022-11-19 07:31:36,589 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[927137,927150] [2022-11-19 07:31:36,589 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[927307,927320] [2022-11-19 07:31:36,591 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[927469,927482] [2022-11-19 07:31:36,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:31:36,687 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:31:37,559 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914081,914094] [2022-11-19 07:31:37,560 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914226,914239] [2022-11-19 07:31:37,565 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914372,914385] [2022-11-19 07:31:37,566 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914537,914550] [2022-11-19 07:31:37,566 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914695,914708] [2022-11-19 07:31:37,567 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914853,914866] [2022-11-19 07:31:37,567 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915011,915024] [2022-11-19 07:31:37,567 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915171,915184] [2022-11-19 07:31:37,568 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915330,915343] [2022-11-19 07:31:37,568 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915469,915482] [2022-11-19 07:31:37,569 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915611,915624] [2022-11-19 07:31:37,570 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915760,915773] [2022-11-19 07:31:37,570 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915899,915912] [2022-11-19 07:31:37,570 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916054,916067] [2022-11-19 07:31:37,571 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916214,916227] [2022-11-19 07:31:37,572 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916365,916378] [2022-11-19 07:31:37,572 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916516,916529] [2022-11-19 07:31:37,573 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916668,916681] [2022-11-19 07:31:37,573 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916817,916830] [2022-11-19 07:31:37,574 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916965,916978] [2022-11-19 07:31:37,574 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917122,917135] [2022-11-19 07:31:37,575 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917271,917284] [2022-11-19 07:31:37,576 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917427,917440] [2022-11-19 07:31:37,576 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917580,917593] [2022-11-19 07:31:37,577 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917726,917739] [2022-11-19 07:31:37,577 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917869,917882] [2022-11-19 07:31:37,578 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918021,918034] [2022-11-19 07:31:37,578 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918167,918180] [2022-11-19 07:31:37,579 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918312,918325] [2022-11-19 07:31:37,579 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918466,918479] [2022-11-19 07:31:37,580 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918617,918630] [2022-11-19 07:31:37,581 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918772,918785] [2022-11-19 07:31:37,582 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918924,918937] [2022-11-19 07:31:37,583 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919079,919092] [2022-11-19 07:31:37,583 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919243,919256] [2022-11-19 07:31:37,583 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919399,919412] [2022-11-19 07:31:37,584 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919563,919576] [2022-11-19 07:31:37,585 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919705,919718] [2022-11-19 07:31:37,586 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919863,919876] [2022-11-19 07:31:37,587 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920030,920043] [2022-11-19 07:31:37,588 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920189,920202] [2022-11-19 07:31:37,588 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920348,920361] [2022-11-19 07:31:37,589 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920497,920510] [2022-11-19 07:31:37,590 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920644,920657] [2022-11-19 07:31:37,590 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920783,920796] [2022-11-19 07:31:37,591 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920946,920959] [2022-11-19 07:31:37,591 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921112,921125] [2022-11-19 07:31:37,592 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921276,921289] [2022-11-19 07:31:37,592 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921441,921454] [2022-11-19 07:31:37,592 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921606,921619] [2022-11-19 07:31:37,593 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921772,921785] [2022-11-19 07:31:37,593 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921937,921950] [2022-11-19 07:31:37,594 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922104,922117] [2022-11-19 07:31:37,594 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922264,922277] [2022-11-19 07:31:37,595 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922426,922439] [2022-11-19 07:31:37,597 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922585,922598] [2022-11-19 07:31:37,600 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922731,922744] [2022-11-19 07:31:37,600 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922874,922887] [2022-11-19 07:31:37,601 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923018,923031] [2022-11-19 07:31:37,601 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923161,923174] [2022-11-19 07:31:37,602 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923305,923318] [2022-11-19 07:31:37,603 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923446,923459] [2022-11-19 07:31:37,604 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923584,923597] [2022-11-19 07:31:37,605 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923742,923755] [2022-11-19 07:31:37,605 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923901,923914] [2022-11-19 07:31:37,615 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924057,924070] [2022-11-19 07:31:37,618 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924206,924219] [2022-11-19 07:31:37,619 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924358,924371] [2022-11-19 07:31:37,619 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924509,924522] [2022-11-19 07:31:37,619 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924658,924671] [2022-11-19 07:31:37,620 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924810,924823] [2022-11-19 07:31:37,620 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924958,924971] [2022-11-19 07:31:37,621 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925111,925124] [2022-11-19 07:31:37,621 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925262,925275] [2022-11-19 07:31:37,621 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925412,925425] [2022-11-19 07:31:37,622 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925559,925572] [2022-11-19 07:31:37,622 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925710,925723] [2022-11-19 07:31:37,622 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925861,925874] [2022-11-19 07:31:37,624 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926009,926022] [2022-11-19 07:31:37,625 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926175,926188] [2022-11-19 07:31:37,625 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926344,926357] [2022-11-19 07:31:37,626 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926511,926524] [2022-11-19 07:31:37,627 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926679,926692] [2022-11-19 07:31:37,627 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926829,926842] [2022-11-19 07:31:37,627 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926976,926989] [2022-11-19 07:31:37,628 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[927137,927150] [2022-11-19 07:31:37,628 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[927307,927320] [2022-11-19 07:31:37,629 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[927469,927482] [2022-11-19 07:31:37,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:31:38,255 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:31:38,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:38 WrapperNode [2022-11-19 07:31:38,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:31:38,257 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:31:38,257 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:31:38,257 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:31:38,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:38" (1/1) ... [2022-11-19 07:31:38,430 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:38" (1/1) ... [2022-11-19 07:31:38,875 INFO L138 Inliner]: procedures = 1156, calls = 6280, calls flagged for inlining = 709, calls inlined = 626, statements flattened = 15239 [2022-11-19 07:31:38,876 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:31:38,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:31:38,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:31:38,877 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:31:38,886 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:38" (1/1) ... [2022-11-19 07:31:38,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:38" (1/1) ... [2022-11-19 07:31:38,983 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:38" (1/1) ... [2022-11-19 07:31:38,983 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:38" (1/1) ... [2022-11-19 07:31:39,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:38" (1/1) ... [2022-11-19 07:31:39,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:38" (1/1) ... [2022-11-19 07:31:39,568 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:38" (1/1) ... [2022-11-19 07:31:39,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:38" (1/1) ... [2022-11-19 07:31:39,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:31:39,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:31:39,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:31:39,739 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:31:39,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:38" (1/1) ... [2022-11-19 07:31:39,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:31:39,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:31:39,776 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:31:39,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:31:39,821 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_init_poll_mp [2022-11-19 07:31:39,822 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_init_poll_mp [2022-11-19 07:31:39,822 INFO L130 BoogieDeclarations]: Found specification of procedure __wiimote_schedule [2022-11-19 07:31:39,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __wiimote_schedule [2022-11-19 07:31:39,822 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-19 07:31:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_KAE [2022-11-19 07:31:39,823 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_KAE [2022-11-19 07:31:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_KAI [2022-11-19 07:31:39,823 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_KAI [2022-11-19 07:31:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_interruptible_timeout [2022-11-19 07:31:39,824 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_interruptible_timeout [2022-11-19 07:31:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_stop [2022-11-19 07:31:39,824 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_stop [2022-11-19 07:31:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_keys_in_keys [2022-11-19 07:31:39,824 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_keys_in_keys [2022-11-19 07:31:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_battery_remove [2022-11-19 07:31:39,824 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_battery_remove [2022-11-19 07:31:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_wiimote_state [2022-11-19 07:31:39,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_wiimote_state [2022-11-19 07:31:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_led_probe [2022-11-19 07:31:39,825 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_led_probe [2022-11-19 07:31:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-19 07:31:39,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-19 07:31:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-19 07:31:39,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-19 07:31:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-19 07:31:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_req_drm [2022-11-19 07:31:39,826 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_req_drm [2022-11-19 07:31:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_KEE [2022-11-19 07:31:39,826 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_KEE [2022-11-19 07:31:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_init_check [2022-11-19 07:31:39,826 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_init_check [2022-11-19 07:31:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_mp_remove [2022-11-19 07:31:39,827 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_mp_remove [2022-11-19 07:31:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure handler_return [2022-11-19 07:31:39,827 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_return [2022-11-19 07:31:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-19 07:31:39,827 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-19 07:31:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure handler_ir [2022-11-19 07:31:39,827 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_ir [2022-11-19 07:31:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_led_remove [2022-11-19 07:31:39,828 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_led_remove [2022-11-19 07:31:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-19 07:31:39,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-19 07:31:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_init_worker [2022-11-19 07:31:39,828 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_init_worker [2022-11-19 07:31:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_nunchuk_remove [2022-11-19 07:31:39,828 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_nunchuk_remove [2022-11-19 07:31:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_hid_remove [2022-11-19 07:31:39,829 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_hid_remove [2022-11-19 07:31:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2022-11-19 07:31:39,829 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2022-11-19 07:31:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_keep_rumble [2022-11-19 07:31:39,830 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_keep_rumble [2022-11-19 07:31:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_mp_unload [2022-11-19 07:31:39,830 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_mp_unload [2022-11-19 07:31:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-19 07:31:39,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-19 07:31:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2022-11-19 07:31:39,830 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2022-11-19 07:31:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_acquire_noint [2022-11-19 07:31:39,831 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_acquire_noint [2022-11-19 07:31:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-19 07:31:39,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-19 07:31:39,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:31:39,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-19 07:31:39,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-19 07:31:39,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_116 [2022-11-19 07:31:39,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_116 [2022-11-19 07:31:39,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-19 07:31:39,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-19 07:31:39,836 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_hid_probe [2022-11-19 07:31:39,836 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_hid_probe [2022-11-19 07:31:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_bboard_probe [2022-11-19 07:31:39,838 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_bboard_probe [2022-11-19 07:31:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_pro_calib_store [2022-11-19 07:31:39,838 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_pro_calib_store [2022-11-19 07:31:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_start [2022-11-19 07:31:39,839 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_start [2022-11-19 07:31:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-19 07:31:39,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-19 07:31:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:31:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_sync_of_wiimote_state [2022-11-19 07:31:39,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_sync_of_wiimote_state [2022-11-19 07:31:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-19 07:31:39,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-19 07:31:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:31:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_modules_load [2022-11-19 07:31:39,840 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_modules_load [2022-11-19 07:31:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-19 07:31:39,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-19 07:31:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:31:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_pro_in_ext [2022-11-19 07:31:39,841 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_pro_in_ext [2022-11-19 07:31:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-19 07:31:39,841 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-19 07:31:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure handler_data [2022-11-19 07:31:39,841 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_data [2022-11-19 07:31:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_write [2022-11-19 07:31:39,841 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_write [2022-11-19 07:31:39,841 INFO L130 BoogieDeclarations]: Found specification of procedure handler_ext [2022-11-19 07:31:39,842 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_ext [2022-11-19 07:31:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-19 07:31:39,842 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-19 07:31:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_no_mp_remove [2022-11-19 07:31:39,842 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_no_mp_remove [2022-11-19 07:31:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2022-11-19 07:31:39,842 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2022-11-19 07:31:39,842 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_no_mp_probe [2022-11-19 07:31:39,843 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_no_mp_probe [2022-11-19 07:31:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_accel_in_accel [2022-11-19 07:31:39,843 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_accel_in_accel [2022-11-19 07:31:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-19 07:31:39,843 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-19 07:31:39,843 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_battery_probe [2022-11-19 07:31:39,844 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_battery_probe [2022-11-19 07:31:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:31:39,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:31:39,844 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_wait___0 [2022-11-19 07:31:39,844 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_wait___0 [2022-11-19 07:31:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 07:31:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_read_ext [2022-11-19 07:31:39,845 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_read_ext [2022-11-19 07:31:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_ext_load [2022-11-19 07:31:39,845 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_ext_load [2022-11-19 07:31:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_builtin_mp_remove [2022-11-19 07:31:39,846 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_builtin_mp_remove [2022-11-19 07:31:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-19 07:31:39,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-19 07:31:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_rumble_remove [2022-11-19 07:31:39,846 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_rumble_remove [2022-11-19 07:31:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-19 07:31:39,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-19 07:31:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:31:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-19 07:31:39,847 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-19 07:31:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-19 07:31:39,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-19 07:31:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_sync_of_wiimote_state [2022-11-19 07:31:39,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_sync_of_wiimote_state [2022-11-19 07:31:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:31:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_KA [2022-11-19 07:31:39,848 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_KA [2022-11-19 07:31:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_KE [2022-11-19 07:31:39,848 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_KE [2022-11-19 07:31:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_accel_remove [2022-11-19 07:31:39,848 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_accel_remove [2022-11-19 07:31:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_req_leds [2022-11-19 07:31:39,848 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_req_leds [2022-11-19 07:31:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_101 [2022-11-19 07:31:39,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_101 [2022-11-19 07:31:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_103 [2022-11-19 07:31:39,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_103 [2022-11-19 07:31:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2022-11-19 07:31:39,849 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2022-11-19 07:31:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-19 07:31:39,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-19 07:31:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-19 07:31:39,850 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-19 07:31:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_ir_remove [2022-11-19 07:31:39,850 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_ir_remove [2022-11-19 07:31:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-19 07:31:39,850 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-19 07:31:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-19 07:31:39,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-19 07:31:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2022-11-19 07:31:39,851 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2022-11-19 07:31:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_mp_in_mp [2022-11-19 07:31:39,851 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_mp_in_mp [2022-11-19 07:31:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-19 07:31:39,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-19 07:31:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-19 07:31:39,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-19 07:31:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_req_ir1 [2022-11-19 07:31:39,852 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_req_ir1 [2022-11-19 07:31:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_req_ir2 [2022-11-19 07:31:39,852 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_req_ir2 [2022-11-19 07:31:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-19 07:31:39,852 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-19 07:31:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure handler_keys [2022-11-19 07:31:39,853 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_keys [2022-11-19 07:31:39,853 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_hid_event [2022-11-19 07:31:39,853 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_hid_event [2022-11-19 07:31:39,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-19 07:31:39,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-19 07:31:39,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:31:39,853 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2022-11-19 07:31:39,853 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2022-11-19 07:31:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 07:31:39,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 07:31:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_req_rmem [2022-11-19 07:31:39,854 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_req_rmem [2022-11-19 07:31:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure handler_status [2022-11-19 07:31:39,854 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_status [2022-11-19 07:31:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2022-11-19 07:31:39,854 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2022-11-19 07:31:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_builtin_mp_probe [2022-11-19 07:31:39,858 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_builtin_mp_probe [2022-11-19 07:31:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure wiidebug_drm_write [2022-11-19 07:31:39,859 INFO L138 BoogieDeclarations]: Found implementation of procedure wiidebug_drm_write [2022-11-19 07:31:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_ext_store [2022-11-19 07:31:39,859 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_ext_store [2022-11-19 07:31:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_classic_remove [2022-11-19 07:31:39,859 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_classic_remove [2022-11-19 07:31:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_req_accel [2022-11-19 07:31:39,859 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_req_accel [2022-11-19 07:31:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_rumble_probe [2022-11-19 07:31:39,860 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_rumble_probe [2022-11-19 07:31:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure handler_generic_K [2022-11-19 07:31:39,860 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_generic_K [2022-11-19 07:31:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_release___0 [2022-11-19 07:31:39,860 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_release___0 [2022-11-19 07:31:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_init_hotplug [2022-11-19 07:31:39,860 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_init_hotplug [2022-11-19 07:31:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-19 07:31:39,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-19 07:31:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 07:31:39,861 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 07:31:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 07:31:39,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 07:31:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_bboard_remove [2022-11-19 07:31:39,861 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_bboard_remove [2022-11-19 07:31:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_abort [2022-11-19 07:31:39,862 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_abort [2022-11-19 07:31:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_req_status [2022-11-19 07:31:39,862 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_req_status [2022-11-19 07:31:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure hid_get_drvdata [2022-11-19 07:31:39,862 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_get_drvdata [2022-11-19 07:31:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~VOID [2022-11-19 07:31:39,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~VOID [2022-11-19 07:31:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-19 07:31:39,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-19 07:31:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-19 07:31:39,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-19 07:31:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-19 07:31:39,863 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-19 07:31:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_set [2022-11-19 07:31:39,863 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_set [2022-11-19 07:31:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2022-11-19 07:31:39,864 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2022-11-19 07:31:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_destroy [2022-11-19 07:31:39,864 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_destroy [2022-11-19 07:31:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-19 07:31:39,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-19 07:31:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_mp_probe [2022-11-19 07:31:39,864 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_mp_probe [2022-11-19 07:31:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-19 07:31:39,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-19 07:31:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-19 07:31:39,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-19 07:31:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_init_detect [2022-11-19 07:31:39,865 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_init_detect [2022-11-19 07:31:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:31:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_req_rumble [2022-11-19 07:31:39,865 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_req_rumble [2022-11-19 07:31:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_keys_probe [2022-11-19 07:31:39,866 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_keys_probe [2022-11-19 07:31:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-11-19 07:31:39,866 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-11-19 07:31:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-19 07:31:39,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-19 07:31:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-19 07:31:39,866 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-19 07:31:39,867 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_ir_change [2022-11-19 07:31:39,867 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_ir_change [2022-11-19 07:31:39,867 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2022-11-19 07:31:39,867 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2022-11-19 07:31:39,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 07:31:39,867 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-19 07:31:39,867 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-19 07:31:39,867 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-19 07:31:39,868 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-19 07:31:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-19 07:31:39,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-19 07:31:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_pro_remove [2022-11-19 07:31:39,868 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_pro_remove [2022-11-19 07:31:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 07:31:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-19 07:31:39,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-19 07:31:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 07:31:39,869 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 07:31:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-19 07:31:39,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-19 07:31:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-19 07:31:39,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-19 07:31:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure handler_status_K [2022-11-19 07:31:39,869 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_status_K [2022-11-19 07:31:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_init_mp [2022-11-19 07:31:39,870 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_init_mp [2022-11-19 07:31:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_sync_of_wiimote_state [2022-11-19 07:31:39,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_sync_of_wiimote_state [2022-11-19 07:31:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-19 07:31:39,870 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-19 07:31:39,870 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 07:31:39,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 07:31:39,871 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_nunchuk_in_ext [2022-11-19 07:31:39,871 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_nunchuk_in_ext [2022-11-19 07:31:39,871 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-19 07:31:39,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-19 07:31:39,871 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_complete [2022-11-19 07:31:39,871 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_complete [2022-11-19 07:31:39,871 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-19 07:31:39,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-19 07:31:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure valid_ext_handler [2022-11-19 07:31:39,872 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_ext_handler [2022-11-19 07:31:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-19 07:31:39,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-19 07:31:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_SKAI1 [2022-11-19 07:31:39,872 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_SKAI1 [2022-11-19 07:31:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_SKAI2 [2022-11-19 07:31:39,872 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_SKAI2 [2022-11-19 07:31:39,872 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-19 07:31:39,873 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-19 07:31:39,873 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_KAIE [2022-11-19 07:31:39,873 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_KAIE [2022-11-19 07:31:39,873 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_ext_unload [2022-11-19 07:31:39,873 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_ext_unload [2022-11-19 07:31:39,873 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_ir_probe [2022-11-19 07:31:39,873 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_ir_probe [2022-11-19 07:31:39,873 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_E [2022-11-19 07:31:39,874 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_E [2022-11-19 07:31:39,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 07:31:39,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 07:31:39,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 07:31:39,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-19 07:31:39,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-19 07:31:39,874 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-19 07:31:39,874 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-19 07:31:39,875 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_close [2022-11-19 07:31:39,875 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_close [2022-11-19 07:31:39,875 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_acquire [2022-11-19 07:31:39,875 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_acquire [2022-11-19 07:31:39,875 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2022-11-19 07:31:39,875 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2022-11-19 07:31:39,875 INFO L130 BoogieDeclarations]: Found specification of procedure wiidebug_drm_open [2022-11-19 07:31:39,875 INFO L138 BoogieDeclarations]: Found implementation of procedure wiidebug_drm_open [2022-11-19 07:31:39,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_wiimote_state [2022-11-19 07:31:39,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_wiimote_state [2022-11-19 07:31:39,876 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_queue [2022-11-19 07:31:39,876 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_queue [2022-11-19 07:31:39,876 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_pro_probe [2022-11-19 07:31:39,876 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_pro_probe [2022-11-19 07:31:39,876 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~bool~0~X~int~TO~VOID [2022-11-19 07:31:39,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~bool~0~X~int~TO~VOID [2022-11-19 07:31:39,877 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2022-11-19 07:31:39,877 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2022-11-19 07:31:39,877 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_init_set_type [2022-11-19 07:31:39,877 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_init_set_type [2022-11-19 07:31:39,877 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_schedule [2022-11-19 07:31:39,877 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_schedule [2022-11-19 07:31:39,877 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-11-19 07:31:39,877 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-11-19 07:31:39,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:31:39,878 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-19 07:31:39,878 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-19 07:31:39,878 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_classic_in_ext [2022-11-19 07:31:39,878 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_classic_in_ext [2022-11-19 07:31:39,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-19 07:31:39,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-19 07:31:39,879 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_pending [2022-11-19 07:31:39,879 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_pending [2022-11-19 07:31:39,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-19 07:31:39,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-19 07:31:39,879 INFO L130 BoogieDeclarations]: Found specification of procedure handler_accel [2022-11-19 07:31:39,879 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_accel [2022-11-19 07:31:39,879 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_KIE [2022-11-19 07:31:39,879 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_KIE [2022-11-19 07:31:39,880 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_read_mp_mapped [2022-11-19 07:31:39,880 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_read_mp_mapped [2022-11-19 07:31:39,880 INFO L130 BoogieDeclarations]: Found specification of procedure wiidebug_eeprom_read [2022-11-19 07:31:39,880 INFO L138 BoogieDeclarations]: Found implementation of procedure wiidebug_eeprom_read [2022-11-19 07:31:39,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-19 07:31:39,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-19 07:31:39,880 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_classic_probe [2022-11-19 07:31:39,880 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_classic_probe [2022-11-19 07:31:39,881 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-19 07:31:39,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-19 07:31:39,881 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_init_ext [2022-11-19 07:31:39,881 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_init_ext [2022-11-19 07:31:39,881 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_release [2022-11-19 07:31:39,881 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_release [2022-11-19 07:31:39,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-19 07:31:39,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-19 07:31:39,882 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2022-11-19 07:31:39,882 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2022-11-19 07:31:39,882 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 07:31:39,882 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 07:31:39,882 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_mp_load [2022-11-19 07:31:39,882 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_mp_load [2022-11-19 07:31:39,882 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-11-19 07:31:39,882 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-11-19 07:31:39,883 INFO L130 BoogieDeclarations]: Found specification of procedure input_ff_create_memless [2022-11-19 07:31:39,883 INFO L138 BoogieDeclarations]: Found implementation of procedure input_ff_create_memless [2022-11-19 07:31:39,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-19 07:31:39,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-19 07:31:39,883 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-11-19 07:31:39,883 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-11-19 07:31:39,883 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_nunchuk_probe [2022-11-19 07:31:39,883 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_nunchuk_probe [2022-11-19 07:31:39,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_sched_completion_wait_for_completion_ready_of_wiimote_state [2022-11-19 07:31:39,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_sched_completion_wait_for_completion_ready_of_wiimote_state [2022-11-19 07:31:39,884 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_read_mp [2022-11-19 07:31:39,884 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_read_mp [2022-11-19 07:31:39,884 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_ir_in_ir [2022-11-19 07:31:39,884 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_ir_in_ir [2022-11-19 07:31:39,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-19 07:31:39,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-19 07:31:39,885 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2022-11-19 07:31:39,885 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2022-11-19 07:31:39,885 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_bboard_in_keys [2022-11-19 07:31:39,885 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_bboard_in_keys [2022-11-19 07:31:39,885 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_bboard_in_ext [2022-11-19 07:31:39,885 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_bboard_in_ext [2022-11-19 07:31:39,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-19 07:31:39,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-19 07:31:39,886 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-19 07:31:39,886 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-19 07:31:39,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-19 07:31:39,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-19 07:31:39,886 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_wait [2022-11-19 07:31:39,886 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_wait [2022-11-19 07:31:39,886 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-19 07:31:39,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-19 07:31:39,886 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2022-11-19 07:31:39,887 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2022-11-19 07:31:39,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_wiimote_queue [2022-11-19 07:31:39,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_wiimote_queue [2022-11-19 07:31:39,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:31:39,887 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-19 07:31:39,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-19 07:31:39,887 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_read [2022-11-19 07:31:39,887 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_read [2022-11-19 07:31:39,888 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-11-19 07:31:39,888 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-11-19 07:31:39,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_115 [2022-11-19 07:31:39,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_115 [2022-11-19 07:31:42,528 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:31:42,533 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:31:42,894 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 07:32:02,570 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:32:07,006 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:32:07,006 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-19 07:32:07,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:32:07 BoogieIcfgContainer [2022-11-19 07:32:07,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:32:07,018 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:32:07,018 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:32:07,022 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:32:07,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:31:25" (1/3) ... [2022-11-19 07:32:07,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aa034f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:32:07, skipping insertion in model container [2022-11-19 07:32:07,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:38" (2/3) ... [2022-11-19 07:32:07,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aa034f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:32:07, skipping insertion in model container [2022-11-19 07:32:07,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:32:07" (3/3) ... [2022-11-19 07:32:07,025 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i [2022-11-19 07:32:07,055 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:32:07,055 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-11-19 07:32:07,264 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:32:07,270 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;@6f13a595, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:32:07,271 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2022-11-19 07:32:07,294 INFO L276 IsEmpty]: Start isEmpty. Operand has 5646 states, 2985 states have (on average 1.3152428810720267) internal successors, (3926), 3445 states have internal predecessors, (3926), 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) [2022-11-19 07:32:07,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-19 07:32:07,307 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:32:07,308 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] [2022-11-19 07:32:07,309 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)] === [2022-11-19 07:32:07,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:32:07,320 INFO L85 PathProgramCache]: Analyzing trace with hash 571285693, now seen corresponding path program 1 times [2022-11-19 07:32:07,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:32:07,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984031179] [2022-11-19 07:32:07,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:32:07,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:32:07,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:32:08,984 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:32:08,985 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:32:08,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984031179] [2022-11-19 07:32:08,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984031179] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:32:08,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:32:08,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:32:08,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467275112] [2022-11-19 07:32:08,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:32:08,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:32:08,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:32:09,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:32:09,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:32:09,040 INFO L87 Difference]: Start difference. First operand has 5646 states, 2985 states have (on average 1.3152428810720267) internal successors, (3926), 3445 states have internal predecessors, (3926), 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) [2022-11-19 07:32:13,612 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 [] [2022-11-19 07:32:15,440 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 [] [2022-11-19 07:32:16,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:32:16,963 INFO L93 Difference]: Finished difference Result 11266 states and 18064 transitions. [2022-11-19 07:32:16,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:32:16,966 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 [2022-11-19 07:32:16,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:32:17,027 INFO L225 Difference]: With dead ends: 11266 [2022-11-19 07:32:17,027 INFO L226 Difference]: Without dead ends: 5589 [2022-11-19 07:32:17,081 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 [2022-11-19 07:32:17,084 INFO L413 NwaCegarLoop]: 8312 mSDtfsCounter, 8676 mSDsluCounter, 8312 mSDsCounter, 0 mSdLazyCounter, 765 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8678 SdHoareTripleChecker+Valid, 16624 SdHoareTripleChecker+Invalid, 765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:32:17,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8678 Valid, 16624 Invalid, 765 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 765 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2022-11-19 07:32:17,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5589 states. [2022-11-19 07:32:17,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5589 to 5589. [2022-11-19 07:32:17,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5589 states, 2978 states have (on average 1.2904633982538616) internal successors, (3843), 3391 states have internal predecessors, (3843), 2377 states have call successors, (2377), 208 states have call predecessors, (2377), 207 states have return successors, (2375), 2113 states have call predecessors, (2375), 2375 states have call successors, (2375) [2022-11-19 07:32:18,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5589 states to 5589 states and 8595 transitions. [2022-11-19 07:32:18,026 INFO L78 Accepts]: Start accepts. Automaton has 5589 states and 8595 transitions. Word has length 47 [2022-11-19 07:32:18,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:32:18,030 INFO L495 AbstractCegarLoop]: Abstraction has 5589 states and 8595 transitions. [2022-11-19 07:32:18,031 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) [2022-11-19 07:32:18,031 INFO L276 IsEmpty]: Start isEmpty. Operand 5589 states and 8595 transitions. [2022-11-19 07:32:18,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-19 07:32:18,035 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:32:18,035 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] [2022-11-19 07:32:18,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:32:18,036 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)] === [2022-11-19 07:32:18,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:32:18,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1773775800, now seen corresponding path program 1 times [2022-11-19 07:32:18,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:32:18,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119362224] [2022-11-19 07:32:18,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:32:18,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:32:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:32:18,926 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:32:18,927 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:32:18,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119362224] [2022-11-19 07:32:18,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119362224] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:32:18,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:32:18,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:32:18,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472721961] [2022-11-19 07:32:18,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:32:18,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:32:18,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:32:18,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:32:18,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:32:18,931 INFO L87 Difference]: Start difference. First operand 5589 states and 8595 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) [2022-11-19 07:32:21,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:32:24,473 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 [] [2022-11-19 07:32:27,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:32:27,336 INFO L93 Difference]: Finished difference Result 6233 states and 9483 transitions. [2022-11-19 07:32:27,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:32:27,336 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 [2022-11-19 07:32:27,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:32:27,398 INFO L225 Difference]: With dead ends: 6233 [2022-11-19 07:32:27,398 INFO L226 Difference]: Without dead ends: 6231 [2022-11-19 07:32:27,407 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 [2022-11-19 07:32:27,408 INFO L413 NwaCegarLoop]: 8471 mSDtfsCounter, 8484 mSDsluCounter, 9383 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8492 SdHoareTripleChecker+Valid, 17854 SdHoareTripleChecker+Invalid, 818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 817 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:32:27,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8492 Valid, 17854 Invalid, 818 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 817 Invalid, 1 Unknown, 0 Unchecked, 7.8s Time] [2022-11-19 07:32:27,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6231 states. [2022-11-19 07:32:28,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6231 to 6226. [2022-11-19 07:32:28,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6226 states, 3307 states have (on average 1.2851527063804051) internal successors, (4250), 3761 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) [2022-11-19 07:32:28,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6226 states to 6226 states and 9478 transitions. [2022-11-19 07:32:28,241 INFO L78 Accepts]: Start accepts. Automaton has 6226 states and 9478 transitions. Word has length 52 [2022-11-19 07:32:28,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:32:28,242 INFO L495 AbstractCegarLoop]: Abstraction has 6226 states and 9478 transitions. [2022-11-19 07:32:28,242 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) [2022-11-19 07:32:28,243 INFO L276 IsEmpty]: Start isEmpty. Operand 6226 states and 9478 transitions. [2022-11-19 07:32:28,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-19 07:32:28,254 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:32:28,254 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] [2022-11-19 07:32:28,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:32:28,255 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)] === [2022-11-19 07:32:28,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:32:28,256 INFO L85 PathProgramCache]: Analyzing trace with hash -821254000, now seen corresponding path program 1 times [2022-11-19 07:32:28,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:32:28,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832966166] [2022-11-19 07:32:28,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:32:28,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:32:28,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:32:29,141 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:32:29,141 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:32:29,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832966166] [2022-11-19 07:32:29,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832966166] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:32:29,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:32:29,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:32:29,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104778950] [2022-11-19 07:32:29,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:32:29,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:32:29,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:32:29,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:32:29,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:32:29,144 INFO L87 Difference]: Start difference. First operand 6226 states and 9478 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) [2022-11-19 07:32:32,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:32:34,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:32:36,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:32:38,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:32:38,200 INFO L93 Difference]: Finished difference Result 6226 states and 9478 transitions. [2022-11-19 07:32:38,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:32:38,201 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 [2022-11-19 07:32:38,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:32:38,252 INFO L225 Difference]: With dead ends: 6226 [2022-11-19 07:32:38,252 INFO L226 Difference]: Without dead ends: 6224 [2022-11-19 07:32:38,259 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 [2022-11-19 07:32:38,260 INFO L413 NwaCegarLoop]: 8208 mSDtfsCounter, 8569 mSDsluCounter, 8208 mSDsCounter, 0 mSdLazyCounter, 762 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8571 SdHoareTripleChecker+Valid, 16416 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 762 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:32:38,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8571 Valid, 16416 Invalid, 763 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 762 Invalid, 1 Unknown, 0 Unchecked, 8.3s Time] [2022-11-19 07:32:38,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6224 states. [2022-11-19 07:32:38,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6224 to 6224. [2022-11-19 07:32:38,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6224 states, 3306 states have (on average 1.2849364791288567) internal successors, (4248), 3759 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) [2022-11-19 07:32:39,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6224 states to 6224 states and 9476 transitions. [2022-11-19 07:32:39,067 INFO L78 Accepts]: Start accepts. Automaton has 6224 states and 9476 transitions. Word has length 57 [2022-11-19 07:32:39,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:32:39,070 INFO L495 AbstractCegarLoop]: Abstraction has 6224 states and 9476 transitions. [2022-11-19 07:32:39,070 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) [2022-11-19 07:32:39,070 INFO L276 IsEmpty]: Start isEmpty. Operand 6224 states and 9476 transitions. [2022-11-19 07:32:39,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-19 07:32:39,074 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:32:39,075 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] [2022-11-19 07:32:39,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:32:39,075 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)] === [2022-11-19 07:32:39,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:32:39,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1264649767, now seen corresponding path program 1 times [2022-11-19 07:32:39,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:32:39,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286626458] [2022-11-19 07:32:39,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:32:39,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:32:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:32:39,820 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:32:39,820 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:32:39,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286626458] [2022-11-19 07:32:39,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286626458] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:32:39,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:32:39,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:32:39,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827425053] [2022-11-19 07:32:39,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:32:39,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:32:39,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:32:39,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:32:39,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:32:39,823 INFO L87 Difference]: Start difference. First operand 6224 states and 9476 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) [2022-11-19 07:32:42,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:32:44,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:32:46,640 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 [] [2022-11-19 07:32:48,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:32:48,500 INFO L93 Difference]: Finished difference Result 6224 states and 9476 transitions. [2022-11-19 07:32:48,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:32:48,501 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 [2022-11-19 07:32:48,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:32:48,583 INFO L225 Difference]: With dead ends: 6224 [2022-11-19 07:32:48,584 INFO L226 Difference]: Without dead ends: 6222 [2022-11-19 07:32:48,591 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 [2022-11-19 07:32:48,703 INFO L413 NwaCegarLoop]: 8206 mSDtfsCounter, 8566 mSDsluCounter, 8206 mSDsCounter, 0 mSdLazyCounter, 762 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8568 SdHoareTripleChecker+Valid, 16412 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 762 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:32:48,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8568 Valid, 16412 Invalid, 763 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 762 Invalid, 1 Unknown, 0 Unchecked, 7.7s Time] [2022-11-19 07:32:48,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6222 states. [2022-11-19 07:32:49,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6222 to 6222. [2022-11-19 07:32:49,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6222 states, 3305 states have (on average 1.2847201210287442) internal successors, (4246), 3757 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) [2022-11-19 07:32:49,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6222 states to 6222 states and 9474 transitions. [2022-11-19 07:32:49,608 INFO L78 Accepts]: Start accepts. Automaton has 6222 states and 9474 transitions. Word has length 62 [2022-11-19 07:32:49,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:32:49,609 INFO L495 AbstractCegarLoop]: Abstraction has 6222 states and 9474 transitions. [2022-11-19 07:32:49,609 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) [2022-11-19 07:32:49,609 INFO L276 IsEmpty]: Start isEmpty. Operand 6222 states and 9474 transitions. [2022-11-19 07:32:49,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-19 07:32:49,612 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:32:49,613 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] [2022-11-19 07:32:49,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:32:49,614 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)] === [2022-11-19 07:32:49,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:32:49,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1374197628, now seen corresponding path program 1 times [2022-11-19 07:32:49,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:32:49,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151877584] [2022-11-19 07:32:49,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:32:49,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:32:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:32:50,465 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:32:50,465 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:32:50,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151877584] [2022-11-19 07:32:50,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151877584] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:32:50,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:32:50,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:32:50,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991638909] [2022-11-19 07:32:50,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:32:50,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:32:50,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:32:50,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:32:50,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:32:50,469 INFO L87 Difference]: Start difference. First operand 6222 states and 9474 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) [2022-11-19 07:32:52,886 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 [] [2022-11-19 07:32:55,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:32:57,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:32:58,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:32:58,761 INFO L93 Difference]: Finished difference Result 6222 states and 9474 transitions. [2022-11-19 07:32:58,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:32:58,761 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 [2022-11-19 07:32:58,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:32:58,802 INFO L225 Difference]: With dead ends: 6222 [2022-11-19 07:32:58,803 INFO L226 Difference]: Without dead ends: 6220 [2022-11-19 07:32:58,808 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 [2022-11-19 07:32:58,811 INFO L413 NwaCegarLoop]: 8204 mSDtfsCounter, 8563 mSDsluCounter, 8204 mSDsCounter, 0 mSdLazyCounter, 762 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8565 SdHoareTripleChecker+Valid, 16408 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 762 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:32:58,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8565 Valid, 16408 Invalid, 763 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 762 Invalid, 1 Unknown, 0 Unchecked, 7.8s Time] [2022-11-19 07:32:58,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6220 states. [2022-11-19 07:32:59,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6220 to 6220. [2022-11-19 07:32:59,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6220 states, 3304 states have (on average 1.284503631961259) internal successors, (4244), 3755 states have internal predecessors, (4244), 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) [2022-11-19 07:32:59,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6220 states to 6220 states and 9472 transitions. [2022-11-19 07:32:59,646 INFO L78 Accepts]: Start accepts. Automaton has 6220 states and 9472 transitions. Word has length 67 [2022-11-19 07:32:59,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:32:59,647 INFO L495 AbstractCegarLoop]: Abstraction has 6220 states and 9472 transitions. [2022-11-19 07:32:59,647 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) [2022-11-19 07:32:59,647 INFO L276 IsEmpty]: Start isEmpty. Operand 6220 states and 9472 transitions. [2022-11-19 07:32:59,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-19 07:32:59,648 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:32:59,649 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] [2022-11-19 07:32:59,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 07:32:59,649 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)] === [2022-11-19 07:32:59,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:32:59,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1287496896, now seen corresponding path program 1 times [2022-11-19 07:32:59,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:32:59,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187338982] [2022-11-19 07:32:59,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:32:59,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:32:59,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:33:00,322 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:33:00,325 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:33:00,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187338982] [2022-11-19 07:33:00,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187338982] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:33:00,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:33:00,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:33:00,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521503086] [2022-11-19 07:33:00,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:33:00,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:33:00,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:33:00,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:33:00,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:33:00,327 INFO L87 Difference]: Start difference. First operand 6220 states and 9472 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) [2022-11-19 07:33:04,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:33:06,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:33:08,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:33:08,064 INFO L93 Difference]: Finished difference Result 6220 states and 9472 transitions. [2022-11-19 07:33:08,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:33:08,065 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 [2022-11-19 07:33:08,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:33:08,100 INFO L225 Difference]: With dead ends: 6220 [2022-11-19 07:33:08,101 INFO L226 Difference]: Without dead ends: 6218 [2022-11-19 07:33:08,106 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 [2022-11-19 07:33:08,106 INFO L413 NwaCegarLoop]: 8202 mSDtfsCounter, 8560 mSDsluCounter, 8202 mSDsCounter, 0 mSdLazyCounter, 762 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8562 SdHoareTripleChecker+Valid, 16404 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 762 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:33:08,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8562 Valid, 16404 Invalid, 763 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 762 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2022-11-19 07:33:08,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6218 states. [2022-11-19 07:33:08,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6218 to 6218. [2022-11-19 07:33:08,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6218 states, 3303 states have (on average 1.2842870118074479) internal successors, (4242), 3753 states have internal predecessors, (4242), 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) [2022-11-19 07:33:08,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6218 states to 6218 states and 9470 transitions. [2022-11-19 07:33:08,870 INFO L78 Accepts]: Start accepts. Automaton has 6218 states and 9470 transitions. Word has length 72 [2022-11-19 07:33:08,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:33:08,873 INFO L495 AbstractCegarLoop]: Abstraction has 6218 states and 9470 transitions. [2022-11-19 07:33:08,873 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) [2022-11-19 07:33:08,873 INFO L276 IsEmpty]: Start isEmpty. Operand 6218 states and 9470 transitions. [2022-11-19 07:33:08,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-19 07:33:08,874 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:33:08,875 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] [2022-11-19 07:33:08,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 07:33:08,875 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)] === [2022-11-19 07:33:08,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:33:08,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1734477826, now seen corresponding path program 1 times [2022-11-19 07:33:08,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:33:08,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986250747] [2022-11-19 07:33:08,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:33:08,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:33:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:33:09,726 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:33:09,727 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:33:09,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986250747] [2022-11-19 07:33:09,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986250747] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:33:09,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:33:09,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:33:09,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358503008] [2022-11-19 07:33:09,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:33:09,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:33:09,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:33:09,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:33:09,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:33:09,730 INFO L87 Difference]: Start difference. First operand 6218 states and 9470 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) [2022-11-19 07:33:12,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:33:14,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:33:16,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:33:16,953 INFO L93 Difference]: Finished difference Result 6223 states and 9473 transitions. [2022-11-19 07:33:16,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:33:16,954 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 [2022-11-19 07:33:16,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:33:16,990 INFO L225 Difference]: With dead ends: 6223 [2022-11-19 07:33:16,991 INFO L226 Difference]: Without dead ends: 6221 [2022-11-19 07:33:16,997 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 [2022-11-19 07:33:16,997 INFO L413 NwaCegarLoop]: 8459 mSDtfsCounter, 8469 mSDsluCounter, 9371 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8477 SdHoareTripleChecker+Valid, 17830 SdHoareTripleChecker+Invalid, 818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 817 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-11-19 07:33:16,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8477 Valid, 17830 Invalid, 818 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 817 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2022-11-19 07:33:17,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6221 states. [2022-11-19 07:33:17,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6221 to 6216. [2022-11-19 07:33:17,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6216 states, 3302 states have (on average 1.2840702604482133) internal successors, (4240), 3751 states have internal predecessors, (4240), 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) [2022-11-19 07:33:17,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6216 states to 6216 states and 9468 transitions. [2022-11-19 07:33:17,893 INFO L78 Accepts]: Start accepts. Automaton has 6216 states and 9468 transitions. Word has length 77 [2022-11-19 07:33:17,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:33:17,894 INFO L495 AbstractCegarLoop]: Abstraction has 6216 states and 9468 transitions. [2022-11-19 07:33:17,894 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) [2022-11-19 07:33:17,895 INFO L276 IsEmpty]: Start isEmpty. Operand 6216 states and 9468 transitions. [2022-11-19 07:33:17,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-19 07:33:17,904 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:33:17,904 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] [2022-11-19 07:33:17,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 07:33:17,905 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)] === [2022-11-19 07:33:17,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:33:17,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1941032127, now seen corresponding path program 1 times [2022-11-19 07:33:17,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:33:17,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888592996] [2022-11-19 07:33:17,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:33:17,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:33:18,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:33:20,059 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2022-11-19 07:33:20,059 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:33:20,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888592996] [2022-11-19 07:33:20,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888592996] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:33:20,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:33:20,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 07:33:20,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170992465] [2022-11-19 07:33:20,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:33:20,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 07:33:20,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:33:20,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 07:33:20,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:33:20,063 INFO L87 Difference]: Start difference. First operand 6216 states and 9468 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) [2022-11-19 07:33:27,514 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 [] [2022-11-19 07:33:41,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:33:41,341 INFO L93 Difference]: Finished difference Result 6265 states and 9518 transitions. [2022-11-19 07:33:41,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 07:33:41,341 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 [2022-11-19 07:33:41,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:33:41,383 INFO L225 Difference]: With dead ends: 6265 [2022-11-19 07:33:41,383 INFO L226 Difference]: Without dead ends: 6263 [2022-11-19 07:33:41,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-19 07:33:41,390 INFO L413 NwaCegarLoop]: 8461 mSDtfsCounter, 8466 mSDsluCounter, 21579 mSDsCounter, 0 mSdLazyCounter, 6303 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8477 SdHoareTripleChecker+Valid, 30040 SdHoareTripleChecker+Invalid, 6307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6303 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:33:41,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8477 Valid, 30040 Invalid, 6307 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3 Valid, 6303 Invalid, 1 Unknown, 0 Unchecked, 20.2s Time] [2022-11-19 07:33:41,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6263 states. [2022-11-19 07:33:42,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6263 to 6258. [2022-11-19 07:33:42,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6258 states, 3323 states have (on average 1.2828769184471862) internal successors, (4263), 3771 states have internal predecessors, (4263), 2626 states have call successors, (2626), 290 states have call predecessors, (2626), 289 states have return successors, (2624), 2326 states have call predecessors, (2624), 2624 states have call successors, (2624) [2022-11-19 07:33:42,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6258 states to 6258 states and 9513 transitions. [2022-11-19 07:33:42,245 INFO L78 Accepts]: Start accepts. Automaton has 6258 states and 9513 transitions. Word has length 100 [2022-11-19 07:33:42,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:33:42,245 INFO L495 AbstractCegarLoop]: Abstraction has 6258 states and 9513 transitions. [2022-11-19 07:33:42,246 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) [2022-11-19 07:33:42,246 INFO L276 IsEmpty]: Start isEmpty. Operand 6258 states and 9513 transitions. [2022-11-19 07:33:42,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-19 07:33:42,247 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:33:42,248 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] [2022-11-19 07:33:42,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 07:33:42,248 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)] === [2022-11-19 07:33:42,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:33:42,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1683800559, now seen corresponding path program 1 times [2022-11-19 07:33:42,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:33:42,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923864103] [2022-11-19 07:33:42,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:33:42,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:33:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:33:42,793 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2022-11-19 07:33:42,793 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:33:42,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923864103] [2022-11-19 07:33:42,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923864103] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:33:42,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:33:42,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:33:42,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075827603] [2022-11-19 07:33:42,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:33:42,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:33:42,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:33:42,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:33:42,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:33:42,796 INFO L87 Difference]: Start difference. First operand 6258 states and 9513 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) [2022-11-19 07:33:45,357 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 [] [2022-11-19 07:33:47,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:33:48,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:33:48,550 INFO L93 Difference]: Finished difference Result 12492 states and 19075 transitions. [2022-11-19 07:33:48,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:33:48,551 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 [2022-11-19 07:33:48,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:33:48,590 INFO L225 Difference]: With dead ends: 12492 [2022-11-19 07:33:48,591 INFO L226 Difference]: Without dead ends: 6254 [2022-11-19 07:33:48,643 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 [2022-11-19 07:33:48,643 INFO L413 NwaCegarLoop]: 8194 mSDtfsCounter, 8548 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8548 SdHoareTripleChecker+Valid, 8194 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:33:48,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8548 Valid, 8194 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-11-19 07:33:48,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6254 states. [2022-11-19 07:33:49,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6254 to 6254. [2022-11-19 07:33:49,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6254 states, 3320 states have (on average 1.2825301204819277) internal successors, (4258), 3767 states have internal predecessors, (4258), 2626 states have call successors, (2626), 290 states have call predecessors, (2626), 289 states have return successors, (2624), 2326 states have call predecessors, (2624), 2624 states have call successors, (2624) [2022-11-19 07:33:49,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6254 states to 6254 states and 9508 transitions. [2022-11-19 07:33:49,507 INFO L78 Accepts]: Start accepts. Automaton has 6254 states and 9508 transitions. Word has length 103 [2022-11-19 07:33:49,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:33:49,508 INFO L495 AbstractCegarLoop]: Abstraction has 6254 states and 9508 transitions. [2022-11-19 07:33:49,508 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) [2022-11-19 07:33:49,509 INFO L276 IsEmpty]: Start isEmpty. Operand 6254 states and 9508 transitions. [2022-11-19 07:33:49,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-19 07:33:49,510 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:33:49,510 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] [2022-11-19 07:33:49,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-19 07:33:49,511 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)] === [2022-11-19 07:33:49,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:33:49,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1186687805, now seen corresponding path program 1 times [2022-11-19 07:33:49,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:33:49,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872384727] [2022-11-19 07:33:49,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:33:49,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:33:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:33:50,091 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:33:50,091 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:33:50,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872384727] [2022-11-19 07:33:50,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872384727] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:33:50,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:33:50,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:33:50,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240804429] [2022-11-19 07:33:50,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:33:50,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:33:50,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:33:50,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:33:50,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:33:50,094 INFO L87 Difference]: Start difference. First operand 6254 states and 9508 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) [2022-11-19 07:33:53,222 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 [] [2022-11-19 07:33:55,574 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 [] [2022-11-19 07:33:57,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:33:57,368 INFO L93 Difference]: Finished difference Result 6273 states and 9524 transitions. [2022-11-19 07:33:57,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:33:57,368 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 [2022-11-19 07:33:57,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:33:57,401 INFO L225 Difference]: With dead ends: 6273 [2022-11-19 07:33:57,401 INFO L226 Difference]: Without dead ends: 6271 [2022-11-19 07:33:57,405 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 [2022-11-19 07:33:57,406 INFO L413 NwaCegarLoop]: 8430 mSDtfsCounter, 8393 mSDsluCounter, 9338 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8404 SdHoareTripleChecker+Valid, 17768 SdHoareTripleChecker+Invalid, 816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:33:57,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8404 Valid, 17768 Invalid, 816 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 814 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2022-11-19 07:33:57,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6271 states. [2022-11-19 07:33:58,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6271 to 6266. [2022-11-19 07:33:58,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6266 states, 3326 states have (on average 1.2817197835237522) internal successors, (4263), 3772 states have internal predecessors, (4263), 2629 states have call successors, (2629), 294 states have call predecessors, (2629), 293 states have return successors, (2627), 2329 states have call predecessors, (2627), 2627 states have call successors, (2627) [2022-11-19 07:33:58,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6266 states to 6266 states and 9519 transitions. [2022-11-19 07:33:58,278 INFO L78 Accepts]: Start accepts. Automaton has 6266 states and 9519 transitions. Word has length 82 [2022-11-19 07:33:58,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:33:58,278 INFO L495 AbstractCegarLoop]: Abstraction has 6266 states and 9519 transitions. [2022-11-19 07:33:58,279 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) [2022-11-19 07:33:58,279 INFO L276 IsEmpty]: Start isEmpty. Operand 6266 states and 9519 transitions. [2022-11-19 07:33:58,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-19 07:33:58,280 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:33:58,281 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:33:58,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-19 07:33:58,281 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)] === [2022-11-19 07:33:58,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:33:58,282 INFO L85 PathProgramCache]: Analyzing trace with hash 2054530182, now seen corresponding path program 1 times [2022-11-19 07:33:58,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:33:58,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817489251] [2022-11-19 07:33:58,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:33:58,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:33:58,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:33:58,913 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:33:58,914 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:33:58,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817489251] [2022-11-19 07:33:58,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817489251] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:33:58,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:33:58,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:33:58,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485781713] [2022-11-19 07:33:58,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:33:58,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:33:58,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:33:58,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:33:58,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:33:58,917 INFO L87 Difference]: Start difference. First operand 6266 states and 9519 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) [2022-11-19 07:34:04,276 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 [] [2022-11-19 07:34:07,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:34:07,431 INFO L93 Difference]: Finished difference Result 6271 states and 9522 transitions. [2022-11-19 07:34:07,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:34:07,432 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 [2022-11-19 07:34:07,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:34:07,462 INFO L225 Difference]: With dead ends: 6271 [2022-11-19 07:34:07,462 INFO L226 Difference]: Without dead ends: 6269 [2022-11-19 07:34:07,468 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 [2022-11-19 07:34:07,469 INFO L413 NwaCegarLoop]: 8449 mSDtfsCounter, 8455 mSDsluCounter, 9361 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8463 SdHoareTripleChecker+Valid, 17810 SdHoareTripleChecker+Invalid, 818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 817 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:34:07,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8463 Valid, 17810 Invalid, 818 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 817 Invalid, 1 Unknown, 0 Unchecked, 7.8s Time] [2022-11-19 07:34:07,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6269 states. [2022-11-19 07:34:08,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6269 to 6264. [2022-11-19 07:34:08,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6264 states, 3325 states have (on average 1.2815037593984961) internal successors, (4261), 3770 states have internal predecessors, (4261), 2629 states have call successors, (2629), 294 states have call predecessors, (2629), 293 states have return successors, (2627), 2329 states have call predecessors, (2627), 2627 states have call successors, (2627) [2022-11-19 07:34:08,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6264 states to 6264 states and 9517 transitions. [2022-11-19 07:34:08,422 INFO L78 Accepts]: Start accepts. Automaton has 6264 states and 9517 transitions. Word has length 84 [2022-11-19 07:34:08,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:34:08,423 INFO L495 AbstractCegarLoop]: Abstraction has 6264 states and 9517 transitions. [2022-11-19 07:34:08,423 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) [2022-11-19 07:34:08,424 INFO L276 IsEmpty]: Start isEmpty. Operand 6264 states and 9517 transitions. [2022-11-19 07:34:08,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-19 07:34:08,425 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:34:08,425 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] [2022-11-19 07:34:08,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-19 07:34:08,426 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)] === [2022-11-19 07:34:08,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:34:08,426 INFO L85 PathProgramCache]: Analyzing trace with hash -292174649, now seen corresponding path program 1 times [2022-11-19 07:34:08,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:34:08,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909093192] [2022-11-19 07:34:08,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:34:08,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:34:08,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:34:09,031 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:34:09,031 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:34:09,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909093192] [2022-11-19 07:34:09,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909093192] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:34:09,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:34:09,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:34:09,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355287308] [2022-11-19 07:34:09,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:34:09,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:34:09,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:34:09,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:34:09,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:34:09,034 INFO L87 Difference]: Start difference. First operand 6264 states and 9517 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) [2022-11-19 07:34:14,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:34:16,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:34:17,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:34:17,959 INFO L93 Difference]: Finished difference Result 6269 states and 9520 transitions. [2022-11-19 07:34:17,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:34:17,960 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 [2022-11-19 07:34:17,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:34:17,985 INFO L225 Difference]: With dead ends: 6269 [2022-11-19 07:34:17,986 INFO L226 Difference]: Without dead ends: 6267 [2022-11-19 07:34:17,990 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 [2022-11-19 07:34:17,990 INFO L413 NwaCegarLoop]: 8446 mSDtfsCounter, 8454 mSDsluCounter, 9358 mSDsCounter, 0 mSdLazyCounter, 816 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8462 SdHoareTripleChecker+Valid, 17804 SdHoareTripleChecker+Invalid, 818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 816 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:34:17,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8462 Valid, 17804 Invalid, 818 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 816 Invalid, 2 Unknown, 0 Unchecked, 8.2s Time] [2022-11-19 07:34:18,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6267 states. [2022-11-19 07:34:18,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6267 to 6262. [2022-11-19 07:34:18,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6262 states, 3324 states have (on average 1.2812876052948254) internal successors, (4259), 3768 states have internal predecessors, (4259), 2629 states have call successors, (2629), 294 states have call predecessors, (2629), 293 states have return successors, (2627), 2329 states have call predecessors, (2627), 2627 states have call successors, (2627) [2022-11-19 07:34:18,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6262 states to 6262 states and 9515 transitions. [2022-11-19 07:34:18,833 INFO L78 Accepts]: Start accepts. Automaton has 6262 states and 9515 transitions. Word has length 89 [2022-11-19 07:34:18,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:34:18,834 INFO L495 AbstractCegarLoop]: Abstraction has 6262 states and 9515 transitions. [2022-11-19 07:34:18,834 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) [2022-11-19 07:34:18,834 INFO L276 IsEmpty]: Start isEmpty. Operand 6262 states and 9515 transitions. [2022-11-19 07:34:18,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-19 07:34:18,835 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:34:18,836 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] [2022-11-19 07:34:18,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-19 07:34:18,836 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)] === [2022-11-19 07:34:18,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:34:18,837 INFO L85 PathProgramCache]: Analyzing trace with hash -510501962, now seen corresponding path program 1 times [2022-11-19 07:34:18,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:34:18,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25685228] [2022-11-19 07:34:18,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:34:18,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:34:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:34:19,443 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:34:19,443 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:34:19,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25685228] [2022-11-19 07:34:19,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25685228] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:34:19,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:34:19,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:34:19,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417973963] [2022-11-19 07:34:19,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:34:19,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:34:19,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:34:19,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:34:19,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:34:19,446 INFO L87 Difference]: Start difference. First operand 6262 states and 9515 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) [2022-11-19 07:34:24,252 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 [] [2022-11-19 07:34:26,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:34:26,198 INFO L93 Difference]: Finished difference Result 6267 states and 9518 transitions. [2022-11-19 07:34:26,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:34:26,199 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 [2022-11-19 07:34:26,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:34:26,220 INFO L225 Difference]: With dead ends: 6267 [2022-11-19 07:34:26,220 INFO L226 Difference]: Without dead ends: 6265 [2022-11-19 07:34:26,223 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 [2022-11-19 07:34:26,224 INFO L413 NwaCegarLoop]: 8445 mSDtfsCounter, 8451 mSDsluCounter, 9357 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8459 SdHoareTripleChecker+Valid, 17802 SdHoareTripleChecker+Invalid, 818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 817 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-11-19 07:34:26,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8459 Valid, 17802 Invalid, 818 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 817 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2022-11-19 07:34:26,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6265 states. [2022-11-19 07:34:26,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6265 to 6260. [2022-11-19 07:34:26,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6260 states, 3323 states have (on average 1.2810713210953957) internal successors, (4257), 3766 states have internal predecessors, (4257), 2629 states have call successors, (2629), 294 states have call predecessors, (2629), 293 states have return successors, (2627), 2329 states have call predecessors, (2627), 2627 states have call successors, (2627) [2022-11-19 07:34:26,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6260 states to 6260 states and 9513 transitions. [2022-11-19 07:34:26,938 INFO L78 Accepts]: Start accepts. Automaton has 6260 states and 9513 transitions. Word has length 94 [2022-11-19 07:34:26,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:34:26,939 INFO L495 AbstractCegarLoop]: Abstraction has 6260 states and 9513 transitions. [2022-11-19 07:34:26,939 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) [2022-11-19 07:34:26,939 INFO L276 IsEmpty]: Start isEmpty. Operand 6260 states and 9513 transitions. [2022-11-19 07:34:26,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-19 07:34:26,940 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:34:26,941 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] [2022-11-19 07:34:26,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-19 07:34:26,941 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)] === [2022-11-19 07:34:26,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:34:26,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1727215385, now seen corresponding path program 1 times [2022-11-19 07:34:26,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:34:26,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835523741] [2022-11-19 07:34:26,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:34:26,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:34:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:34:27,591 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:34:27,592 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:34:27,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835523741] [2022-11-19 07:34:27,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835523741] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:34:27,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:34:27,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:34:27,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422352501] [2022-11-19 07:34:27,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:34:27,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:34:27,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:34:27,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:34:27,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:34:27,594 INFO L87 Difference]: Start difference. First operand 6260 states and 9513 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) [2022-11-19 07:34:32,087 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 [] [2022-11-19 07:34:33,399 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 [] [2022-11-19 07:34:35,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:34:35,004 INFO L93 Difference]: Finished difference Result 6265 states and 9516 transitions. [2022-11-19 07:34:35,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:34:35,004 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 [2022-11-19 07:34:35,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:34:35,033 INFO L225 Difference]: With dead ends: 6265 [2022-11-19 07:34:35,034 INFO L226 Difference]: Without dead ends: 6263 [2022-11-19 07:34:35,040 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 [2022-11-19 07:34:35,040 INFO L413 NwaCegarLoop]: 8442 mSDtfsCounter, 8448 mSDsluCounter, 9354 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8456 SdHoareTripleChecker+Valid, 17796 SdHoareTripleChecker+Invalid, 818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 817 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-11-19 07:34:35,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8456 Valid, 17796 Invalid, 818 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 817 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2022-11-19 07:34:35,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6263 states. [2022-11-19 07:34:35,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6263 to 6258. [2022-11-19 07:34:35,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6258 states, 3322 states have (on average 1.2808549066827213) internal successors, (4255), 3764 states have internal predecessors, (4255), 2629 states have call successors, (2629), 294 states have call predecessors, (2629), 293 states have return successors, (2627), 2329 states have call predecessors, (2627), 2627 states have call successors, (2627) [2022-11-19 07:34:35,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6258 states to 6258 states and 9511 transitions. [2022-11-19 07:34:35,776 INFO L78 Accepts]: Start accepts. Automaton has 6258 states and 9511 transitions. Word has length 99 [2022-11-19 07:34:35,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:34:35,777 INFO L495 AbstractCegarLoop]: Abstraction has 6258 states and 9511 transitions. [2022-11-19 07:34:35,777 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) [2022-11-19 07:34:35,777 INFO L276 IsEmpty]: Start isEmpty. Operand 6258 states and 9511 transitions. [2022-11-19 07:34:35,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-19 07:34:35,779 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:34:35,779 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] [2022-11-19 07:34:35,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-19 07:34:35,780 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)] === [2022-11-19 07:34:35,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:34:35,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1248115012, now seen corresponding path program 1 times [2022-11-19 07:34:35,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:34:35,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166672747] [2022-11-19 07:34:35,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:34:35,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:34:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:34:36,360 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:34:36,360 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:34:36,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166672747] [2022-11-19 07:34:36,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166672747] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:34:36,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:34:36,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:34:36,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849388804] [2022-11-19 07:34:36,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:34:36,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:34:36,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:34:36,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:34:36,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:34:36,363 INFO L87 Difference]: Start difference. First operand 6258 states and 9511 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) [2022-11-19 07:34:41,231 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 [] [2022-11-19 07:34:43,315 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 [] [2022-11-19 07:34:45,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:34:45,284 INFO L93 Difference]: Finished difference Result 6263 states and 9514 transitions. [2022-11-19 07:34:45,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:34:45,285 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 [2022-11-19 07:34:45,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:34:45,304 INFO L225 Difference]: With dead ends: 6263 [2022-11-19 07:34:45,305 INFO L226 Difference]: Without dead ends: 6261 [2022-11-19 07:34:45,308 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 [2022-11-19 07:34:45,308 INFO L413 NwaCegarLoop]: 8441 mSDtfsCounter, 8445 mSDsluCounter, 9353 mSDsCounter, 0 mSdLazyCounter, 816 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8453 SdHoareTripleChecker+Valid, 17794 SdHoareTripleChecker+Invalid, 818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 816 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:34:45,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8453 Valid, 17794 Invalid, 818 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 816 Invalid, 2 Unknown, 0 Unchecked, 8.0s Time] [2022-11-19 07:34:45,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6261 states. [2022-11-19 07:34:45,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6261 to 6256. [2022-11-19 07:34:45,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6256 states, 3321 states have (on average 1.280638361939175) internal successors, (4253), 3762 states have internal predecessors, (4253), 2629 states have call successors, (2629), 294 states have call predecessors, (2629), 293 states have return successors, (2627), 2329 states have call predecessors, (2627), 2627 states have call successors, (2627) [2022-11-19 07:34:45,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6256 states to 6256 states and 9509 transitions. [2022-11-19 07:34:45,977 INFO L78 Accepts]: Start accepts. Automaton has 6256 states and 9509 transitions. Word has length 104 [2022-11-19 07:34:45,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:34:45,978 INFO L495 AbstractCegarLoop]: Abstraction has 6256 states and 9509 transitions. [2022-11-19 07:34:45,978 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) [2022-11-19 07:34:45,978 INFO L276 IsEmpty]: Start isEmpty. Operand 6256 states and 9509 transitions. [2022-11-19 07:34:45,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-19 07:34:45,982 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:34:45,982 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] [2022-11-19 07:34:45,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-19 07:34:45,983 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)] === [2022-11-19 07:34:45,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:34:45,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1239309224, now seen corresponding path program 1 times [2022-11-19 07:34:45,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:34:45,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381051806] [2022-11-19 07:34:45,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:34:45,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:34:46,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:34:46,602 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:34:46,602 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:34:46,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381051806] [2022-11-19 07:34:46,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381051806] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:34:46,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:34:46,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:34:46,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136546303] [2022-11-19 07:34:46,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:34:46,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:34:46,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:34:46,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:34:46,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:34:46,605 INFO L87 Difference]: Start difference. First operand 6256 states and 9509 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) [2022-11-19 07:34:48,656 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 [] [2022-11-19 07:34:51,148 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 [] [2022-11-19 07:34:54,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:34:54,169 INFO L93 Difference]: Finished difference Result 6261 states and 9512 transitions. [2022-11-19 07:34:54,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:34:54,169 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 [2022-11-19 07:34:54,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:34:54,191 INFO L225 Difference]: With dead ends: 6261 [2022-11-19 07:34:54,191 INFO L226 Difference]: Without dead ends: 6259 [2022-11-19 07:34:54,195 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 [2022-11-19 07:34:54,195 INFO L413 NwaCegarLoop]: 8438 mSDtfsCounter, 8442 mSDsluCounter, 9350 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8450 SdHoareTripleChecker+Valid, 17788 SdHoareTripleChecker+Invalid, 818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 817 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:34:54,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8450 Valid, 17788 Invalid, 818 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 817 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2022-11-19 07:34:54,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6259 states. [2022-11-19 07:34:54,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6259 to 6254. [2022-11-19 07:34:54,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6254 states, 3320 states have (on average 1.280421686746988) internal successors, (4251), 3760 states have internal predecessors, (4251), 2629 states have call successors, (2629), 294 states have call predecessors, (2629), 293 states have return successors, (2627), 2329 states have call predecessors, (2627), 2627 states have call successors, (2627) [2022-11-19 07:34:54,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6254 states to 6254 states and 9507 transitions. [2022-11-19 07:34:54,983 INFO L78 Accepts]: Start accepts. Automaton has 6254 states and 9507 transitions. Word has length 109 [2022-11-19 07:34:54,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:34:54,984 INFO L495 AbstractCegarLoop]: Abstraction has 6254 states and 9507 transitions. [2022-11-19 07:34:54,984 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) [2022-11-19 07:34:54,984 INFO L276 IsEmpty]: Start isEmpty. Operand 6254 states and 9507 transitions. [2022-11-19 07:34:54,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-11-19 07:34:54,987 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:34:54,987 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:34:54,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-19 07:34:54,988 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)] === [2022-11-19 07:34:54,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:34:54,988 INFO L85 PathProgramCache]: Analyzing trace with hash -995623099, now seen corresponding path program 1 times [2022-11-19 07:34:54,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:34:54,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809599375] [2022-11-19 07:34:54,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:34:54,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:34:55,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:34:56,109 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-11-19 07:34:56,109 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:34:56,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809599375] [2022-11-19 07:34:56,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809599375] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:34:56,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:34:56,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:34:56,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400091173] [2022-11-19 07:34:56,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:34:56,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:34:56,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:34:56,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:34:56,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:34:56,113 INFO L87 Difference]: Start difference. First operand 6254 states and 9507 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-19 07:35:02,067 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 [] [2022-11-19 07:35:03,440 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 [] [2022-11-19 07:35:07,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:35:07,317 INFO L93 Difference]: Finished difference Result 11607 states and 18352 transitions. [2022-11-19 07:35:07,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 07:35:07,317 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 143 [2022-11-19 07:35:07,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:35:07,380 INFO L225 Difference]: With dead ends: 11607 [2022-11-19 07:35:07,380 INFO L226 Difference]: Without dead ends: 11605 [2022-11-19 07:35:07,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-19 07:35:07,387 INFO L413 NwaCegarLoop]: 10644 mSDtfsCounter, 8350 mSDsluCounter, 29031 mSDsCounter, 0 mSdLazyCounter, 1511 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8352 SdHoareTripleChecker+Valid, 39675 SdHoareTripleChecker+Invalid, 1515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1511 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:35:07,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8352 Valid, 39675 Invalid, 1515 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1511 Invalid, 1 Unknown, 0 Unchecked, 9.3s Time] [2022-11-19 07:35:07,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11605 states. [2022-11-19 07:35:09,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11605 to 11440. [2022-11-19 07:35:09,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11440 states, 6092 states have (on average 1.2874261326329612) internal successors, (7843), 6977 states have internal predecessors, (7843), 4829 states have call successors, (4829), 528 states have call predecessors, (4829), 507 states have return successors, (5466), 4170 states have call predecessors, (5466), 4827 states have call successors, (5466) [2022-11-19 07:35:09,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11440 states to 11440 states and 18138 transitions. [2022-11-19 07:35:09,637 INFO L78 Accepts]: Start accepts. Automaton has 11440 states and 18138 transitions. Word has length 143 [2022-11-19 07:35:09,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:35:09,638 INFO L495 AbstractCegarLoop]: Abstraction has 11440 states and 18138 transitions. [2022-11-19 07:35:09,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-19 07:35:09,639 INFO L276 IsEmpty]: Start isEmpty. Operand 11440 states and 18138 transitions. [2022-11-19 07:35:09,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-19 07:35:09,641 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:35:09,641 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] [2022-11-19 07:35:09,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-19 07:35:09,642 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)] === [2022-11-19 07:35:09,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:35:09,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1440592459, now seen corresponding path program 1 times [2022-11-19 07:35:09,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:35:09,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596334329] [2022-11-19 07:35:09,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:35:09,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:35:09,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:35:10,356 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:35:10,356 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:35:10,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596334329] [2022-11-19 07:35:10,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596334329] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:35:10,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:35:10,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:35:10,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133319025] [2022-11-19 07:35:10,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:35:10,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:35:10,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:35:10,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:35:10,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:35:10,359 INFO L87 Difference]: Start difference. First operand 11440 states and 18138 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) [2022-11-19 07:35:14,704 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 [] [2022-11-19 07:35:18,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:35:18,483 INFO L93 Difference]: Finished difference Result 11445 states and 18141 transitions. [2022-11-19 07:35:18,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:35:18,483 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 [2022-11-19 07:35:18,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:35:18,539 INFO L225 Difference]: With dead ends: 11445 [2022-11-19 07:35:18,540 INFO L226 Difference]: Without dead ends: 11443 [2022-11-19 07:35:18,547 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 [2022-11-19 07:35:18,548 INFO L413 NwaCegarLoop]: 8456 mSDtfsCounter, 8439 mSDsluCounter, 9368 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8447 SdHoareTripleChecker+Valid, 17824 SdHoareTripleChecker+Invalid, 818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 817 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:35:18,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8447 Valid, 17824 Invalid, 818 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 817 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2022-11-19 07:35:18,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11443 states. [2022-11-19 07:35:21,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11443 to 11438. [2022-11-19 07:35:21,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11438 states, 6091 states have (on average 1.2873091446396323) internal successors, (7841), 6975 states have internal predecessors, (7841), 4829 states have call successors, (4829), 528 states have call predecessors, (4829), 507 states have return successors, (5466), 4170 states have call predecessors, (5466), 4827 states have call successors, (5466) [2022-11-19 07:35:21,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11438 states to 11438 states and 18136 transitions. [2022-11-19 07:35:21,135 INFO L78 Accepts]: Start accepts. Automaton has 11438 states and 18136 transitions. Word has length 114 [2022-11-19 07:35:21,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:35:21,135 INFO L495 AbstractCegarLoop]: Abstraction has 11438 states and 18136 transitions. [2022-11-19 07:35:21,135 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) [2022-11-19 07:35:21,135 INFO L276 IsEmpty]: Start isEmpty. Operand 11438 states and 18136 transitions. [2022-11-19 07:35:21,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-19 07:35:21,136 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:35:21,137 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] [2022-11-19 07:35:21,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-19 07:35:21,137 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)] === [2022-11-19 07:35:21,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:35:21,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1202774429, now seen corresponding path program 1 times [2022-11-19 07:35:21,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:35:21,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460667547] [2022-11-19 07:35:21,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:35:21,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:35:21,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:35:22,204 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:35:22,204 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:35:22,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460667547] [2022-11-19 07:35:22,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460667547] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:35:22,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:35:22,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:35:22,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353117063] [2022-11-19 07:35:22,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:35:22,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:35:22,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:35:22,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:35:22,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:35:22,208 INFO L87 Difference]: Start difference. First operand 11438 states and 18136 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) [2022-11-19 07:35:24,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:27,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:35:29,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:31,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:33,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:35:33,707 INFO L93 Difference]: Finished difference Result 11438 states and 18136 transitions. [2022-11-19 07:35:33,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:35:33,707 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 [2022-11-19 07:35:33,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:35:33,765 INFO L225 Difference]: With dead ends: 11438 [2022-11-19 07:35:33,765 INFO L226 Difference]: Without dead ends: 11436 [2022-11-19 07:35:33,774 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 [2022-11-19 07:35:33,775 INFO L413 NwaCegarLoop]: 8175 mSDtfsCounter, 8524 mSDsluCounter, 8175 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8526 SdHoareTripleChecker+Valid, 16350 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:35:33,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8526 Valid, 16350 Invalid, 763 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 761 Invalid, 2 Unknown, 0 Unchecked, 9.7s Time] [2022-11-19 07:35:33,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11436 states. [2022-11-19 07:35:35,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11436 to 11436. [2022-11-19 07:35:35,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11436 states, 6090 states have (on average 1.287192118226601) internal successors, (7839), 6973 states have internal predecessors, (7839), 4829 states have call successors, (4829), 528 states have call predecessors, (4829), 507 states have return successors, (5466), 4170 states have call predecessors, (5466), 4827 states have call successors, (5466) [2022-11-19 07:35:35,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11436 states to 11436 states and 18134 transitions. [2022-11-19 07:35:35,874 INFO L78 Accepts]: Start accepts. Automaton has 11436 states and 18134 transitions. Word has length 119 [2022-11-19 07:35:35,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:35:35,874 INFO L495 AbstractCegarLoop]: Abstraction has 11436 states and 18134 transitions. [2022-11-19 07:35:35,874 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) [2022-11-19 07:35:35,874 INFO L276 IsEmpty]: Start isEmpty. Operand 11436 states and 18134 transitions. [2022-11-19 07:35:35,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-19 07:35:35,876 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:35:35,876 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] [2022-11-19 07:35:35,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-19 07:35:35,877 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)] === [2022-11-19 07:35:35,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:35:35,878 INFO L85 PathProgramCache]: Analyzing trace with hash 919960297, now seen corresponding path program 1 times [2022-11-19 07:35:35,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:35:35,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858997429] [2022-11-19 07:35:35,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:35:35,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:35:36,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:35:36,419 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:35:36,419 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:35:36,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858997429] [2022-11-19 07:35:36,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858997429] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:35:36,420 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:35:36,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:35:36,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226802587] [2022-11-19 07:35:36,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:35:36,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:35:36,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:35:36,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:35:36,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:35:36,422 INFO L87 Difference]: Start difference. First operand 11436 states and 18134 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) [2022-11-19 07:35:40,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:42,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:46,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:35:46,338 INFO L93 Difference]: Finished difference Result 11441 states and 18137 transitions. [2022-11-19 07:35:46,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:35:46,339 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 [2022-11-19 07:35:46,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:35:46,402 INFO L225 Difference]: With dead ends: 11441 [2022-11-19 07:35:46,403 INFO L226 Difference]: Without dead ends: 11439 [2022-11-19 07:35:46,412 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 [2022-11-19 07:35:46,416 INFO L413 NwaCegarLoop]: 8451 mSDtfsCounter, 8433 mSDsluCounter, 9363 mSDsCounter, 0 mSdLazyCounter, 816 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8441 SdHoareTripleChecker+Valid, 17814 SdHoareTripleChecker+Invalid, 818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 816 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:35:46,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8441 Valid, 17814 Invalid, 818 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 816 Invalid, 2 Unknown, 0 Unchecked, 8.1s Time] [2022-11-19 07:35:46,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11439 states. [2022-11-19 07:35:48,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11439 to 11434. [2022-11-19 07:35:48,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11434 states, 6089 states have (on average 1.2870750533749384) internal successors, (7837), 6971 states have internal predecessors, (7837), 4829 states have call successors, (4829), 528 states have call predecessors, (4829), 507 states have return successors, (5466), 4170 states have call predecessors, (5466), 4827 states have call successors, (5466) [2022-11-19 07:35:48,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11434 states to 11434 states and 18132 transitions. [2022-11-19 07:35:48,498 INFO L78 Accepts]: Start accepts. Automaton has 11434 states and 18132 transitions. Word has length 124 [2022-11-19 07:35:48,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:35:48,499 INFO L495 AbstractCegarLoop]: Abstraction has 11434 states and 18132 transitions. [2022-11-19 07:35:48,499 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) [2022-11-19 07:35:48,500 INFO L276 IsEmpty]: Start isEmpty. Operand 11434 states and 18132 transitions. [2022-11-19 07:35:48,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-19 07:35:48,503 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:35:48,504 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] [2022-11-19 07:35:48,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-19 07:35:48,504 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)] === [2022-11-19 07:35:48,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:35:48,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1762488856, now seen corresponding path program 1 times [2022-11-19 07:35:48,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:35:48,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088025396] [2022-11-19 07:35:48,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:35:48,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:35:48,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:35:49,127 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:35:49,127 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:35:49,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088025396] [2022-11-19 07:35:49,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088025396] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:35:49,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:35:49,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:35:49,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158873203] [2022-11-19 07:35:49,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:35:49,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:35:49,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:35:49,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:35:49,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:35:49,130 INFO L87 Difference]: Start difference. First operand 11434 states and 18132 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) [2022-11-19 07:35:54,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:55,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:58,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:35:58,254 INFO L93 Difference]: Finished difference Result 11439 states and 18135 transitions. [2022-11-19 07:35:58,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:35:58,255 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 [2022-11-19 07:35:58,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:35:58,318 INFO L225 Difference]: With dead ends: 11439 [2022-11-19 07:35:58,318 INFO L226 Difference]: Without dead ends: 11437 [2022-11-19 07:35:58,328 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 [2022-11-19 07:35:58,336 INFO L413 NwaCegarLoop]: 8448 mSDtfsCounter, 8430 mSDsluCounter, 9360 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8438 SdHoareTripleChecker+Valid, 17808 SdHoareTripleChecker+Invalid, 818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 817 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:35:58,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8438 Valid, 17808 Invalid, 818 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 817 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2022-11-19 07:35:58,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11437 states. [2022-11-19 07:36:00,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11437 to 11432. [2022-11-19 07:36:00,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11432 states, 6088 states have (on average 1.2869579500657031) internal successors, (7835), 6969 states have internal predecessors, (7835), 4829 states have call successors, (4829), 528 states have call predecessors, (4829), 507 states have return successors, (5466), 4170 states have call predecessors, (5466), 4827 states have call successors, (5466) [2022-11-19 07:36:00,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11432 states to 11432 states and 18130 transitions. [2022-11-19 07:36:00,625 INFO L78 Accepts]: Start accepts. Automaton has 11432 states and 18130 transitions. Word has length 129 [2022-11-19 07:36:00,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:36:00,626 INFO L495 AbstractCegarLoop]: Abstraction has 11432 states and 18130 transitions. [2022-11-19 07:36:00,626 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) [2022-11-19 07:36:00,626 INFO L276 IsEmpty]: Start isEmpty. Operand 11432 states and 18130 transitions. [2022-11-19 07:36:00,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-11-19 07:36:00,630 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:36:00,630 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] [2022-11-19 07:36:00,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-19 07:36:00,630 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)] === [2022-11-19 07:36:00,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:36:00,631 INFO L85 PathProgramCache]: Analyzing trace with hash -153862498, now seen corresponding path program 1 times [2022-11-19 07:36:00,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:36:00,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239351978] [2022-11-19 07:36:00,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:36:00,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:36:00,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:36:01,849 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-11-19 07:36:01,849 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:36:01,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239351978] [2022-11-19 07:36:01,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239351978] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:36:01,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:36:01,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:36:01,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126386278] [2022-11-19 07:36:01,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:36:01,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:36:01,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:36:01,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:36:01,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:36:01,853 INFO L87 Difference]: Start difference. First operand 11432 states and 18130 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) [2022-11-19 07:36:04,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:08,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:10,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:14,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:36:14,253 INFO L93 Difference]: Finished difference Result 12162 states and 19198 transitions. [2022-11-19 07:36:14,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 07:36:14,256 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 [2022-11-19 07:36:14,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:36:14,297 INFO L225 Difference]: With dead ends: 12162 [2022-11-19 07:36:14,297 INFO L226 Difference]: Without dead ends: 12160 [2022-11-19 07:36:14,303 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 [2022-11-19 07:36:14,303 INFO L413 NwaCegarLoop]: 8922 mSDtfsCounter, 1309 mSDsluCounter, 25644 mSDsCounter, 0 mSdLazyCounter, 1631 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1311 SdHoareTripleChecker+Valid, 34566 SdHoareTripleChecker+Invalid, 1634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1631 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:36:14,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1311 Valid, 34566 Invalid, 1634 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1631 Invalid, 1 Unknown, 0 Unchecked, 10.4s Time] [2022-11-19 07:36:14,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12160 states. [2022-11-19 07:36:16,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12160 to 12140. [2022-11-19 07:36:16,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12140 states, 6465 states have (on average 1.2838360402165507) internal successors, (8300), 7390 states have internal predecessors, (8300), 5076 states have call successors, (5076), 625 states have call predecessors, (5076), 591 states have return successors, (5786), 4367 states have call predecessors, (5786), 5074 states have call successors, (5786) [2022-11-19 07:36:16,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12140 states to 12140 states and 19162 transitions. [2022-11-19 07:36:16,552 INFO L78 Accepts]: Start accepts. Automaton has 12140 states and 19162 transitions. Word has length 162 [2022-11-19 07:36:16,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:36:16,553 INFO L495 AbstractCegarLoop]: Abstraction has 12140 states and 19162 transitions. [2022-11-19 07:36:16,553 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) [2022-11-19 07:36:16,553 INFO L276 IsEmpty]: Start isEmpty. Operand 12140 states and 19162 transitions. [2022-11-19 07:36:16,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-11-19 07:36:16,556 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:36:16,557 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, 1, 1, 1] [2022-11-19 07:36:16,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-19 07:36:16,557 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)] === [2022-11-19 07:36:16,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:36:16,558 INFO L85 PathProgramCache]: Analyzing trace with hash -704345941, now seen corresponding path program 1 times [2022-11-19 07:36:16,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:36:16,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115152940] [2022-11-19 07:36:16,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:36:16,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:36:16,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:36:17,937 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-11-19 07:36:17,937 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:36:17,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115152940] [2022-11-19 07:36:17,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115152940] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:36:17,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:36:17,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:36:17,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972607060] [2022-11-19 07:36:17,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:36:17,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:36:17,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:36:17,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:36:17,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:36:17,940 INFO L87 Difference]: Start difference. First operand 12140 states and 19162 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2022-11-19 07:36:23,146 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 [] [2022-11-19 07:36:25,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:27,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:29,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:36:29,824 INFO L93 Difference]: Finished difference Result 12230 states and 19237 transitions. [2022-11-19 07:36:29,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 07:36:29,824 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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 163 [2022-11-19 07:36:29,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:36:29,867 INFO L225 Difference]: With dead ends: 12230 [2022-11-19 07:36:29,867 INFO L226 Difference]: Without dead ends: 12228 [2022-11-19 07:36:29,873 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 [2022-11-19 07:36:29,874 INFO L413 NwaCegarLoop]: 8186 mSDtfsCounter, 8467 mSDsluCounter, 16416 mSDsCounter, 0 mSdLazyCounter, 1165 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8469 SdHoareTripleChecker+Valid, 24602 SdHoareTripleChecker+Invalid, 1169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1165 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:36:29,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8469 Valid, 24602 Invalid, 1169 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1165 Invalid, 2 Unknown, 0 Unchecked, 10.0s Time] [2022-11-19 07:36:29,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12228 states. [2022-11-19 07:36:32,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12228 to 12226. [2022-11-19 07:36:32,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12226 states, 6521 states have (on average 1.2827787149210244) internal successors, (8365), 7446 states have internal predecessors, (8365), 5077 states have call successors, (5077), 654 states have call predecessors, (5077), 620 states have return successors, (5787), 4368 states have call predecessors, (5787), 5075 states have call successors, (5787) [2022-11-19 07:36:32,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12226 states to 12226 states and 19229 transitions. [2022-11-19 07:36:32,097 INFO L78 Accepts]: Start accepts. Automaton has 12226 states and 19229 transitions. Word has length 163 [2022-11-19 07:36:32,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:36:32,097 INFO L495 AbstractCegarLoop]: Abstraction has 12226 states and 19229 transitions. [2022-11-19 07:36:32,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2022-11-19 07:36:32,098 INFO L276 IsEmpty]: Start isEmpty. Operand 12226 states and 19229 transitions. [2022-11-19 07:36:32,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-19 07:36:32,101 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:36:32,101 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] [2022-11-19 07:36:32,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-19 07:36:32,102 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)] === [2022-11-19 07:36:32,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:36:32,102 INFO L85 PathProgramCache]: Analyzing trace with hash -565143884, now seen corresponding path program 1 times [2022-11-19 07:36:32,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:36:32,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017316222] [2022-11-19 07:36:32,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:36:32,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:36:32,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:36:32,605 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:36:32,606 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:36:32,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017316222] [2022-11-19 07:36:32,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017316222] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:36:32,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:36:32,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:36:32,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251315254] [2022-11-19 07:36:32,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:36:32,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:36:32,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:36:32,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:36:32,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:36:32,608 INFO L87 Difference]: Start difference. First operand 12226 states and 19229 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) [2022-11-19 07:36:35,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:38,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:39,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:42,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:36:42,429 INFO L93 Difference]: Finished difference Result 12231 states and 19232 transitions. [2022-11-19 07:36:42,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:36:42,430 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 [2022-11-19 07:36:42,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:36:42,469 INFO L225 Difference]: With dead ends: 12231 [2022-11-19 07:36:42,469 INFO L226 Difference]: Without dead ends: 12229 [2022-11-19 07:36:42,475 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 [2022-11-19 07:36:42,476 INFO L413 NwaCegarLoop]: 8463 mSDtfsCounter, 8427 mSDsluCounter, 9375 mSDsCounter, 0 mSdLazyCounter, 823 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8435 SdHoareTripleChecker+Valid, 17838 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 823 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:36:42,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8435 Valid, 17838 Invalid, 824 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 823 Invalid, 1 Unknown, 0 Unchecked, 7.8s Time] [2022-11-19 07:36:42,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12229 states. [2022-11-19 07:36:44,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12229 to 12224. [2022-11-19 07:36:44,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12224 states, 6520 states have (on average 1.2826687116564417) internal successors, (8363), 7444 states have internal predecessors, (8363), 5077 states have call successors, (5077), 654 states have call predecessors, (5077), 620 states have return successors, (5787), 4368 states have call predecessors, (5787), 5075 states have call successors, (5787) [2022-11-19 07:36:44,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12224 states to 12224 states and 19227 transitions. [2022-11-19 07:36:44,861 INFO L78 Accepts]: Start accepts. Automaton has 12224 states and 19227 transitions. Word has length 134 [2022-11-19 07:36:44,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:36:44,862 INFO L495 AbstractCegarLoop]: Abstraction has 12224 states and 19227 transitions. [2022-11-19 07:36:44,862 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) [2022-11-19 07:36:44,862 INFO L276 IsEmpty]: Start isEmpty. Operand 12224 states and 19227 transitions. [2022-11-19 07:36:44,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-19 07:36:44,865 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:36:44,865 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] [2022-11-19 07:36:44,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-19 07:36:44,866 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)] === [2022-11-19 07:36:44,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:36:44,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1108861247, now seen corresponding path program 1 times [2022-11-19 07:36:44,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:36:44,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153724173] [2022-11-19 07:36:44,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:36:44,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:36:45,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:36:45,514 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:36:45,514 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:36:45,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153724173] [2022-11-19 07:36:45,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153724173] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:36:45,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:36:45,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:36:45,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772382251] [2022-11-19 07:36:45,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:36:45,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:36:45,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:36:45,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:36:45,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:36:45,516 INFO L87 Difference]: Start difference. First operand 12224 states and 19227 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) [2022-11-19 07:36:48,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:52,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:54,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:36:57,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:36:57,465 INFO L93 Difference]: Finished difference Result 12229 states and 19230 transitions. [2022-11-19 07:36:57,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:36:57,466 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 [2022-11-19 07:36:57,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:36:57,513 INFO L225 Difference]: With dead ends: 12229 [2022-11-19 07:36:57,513 INFO L226 Difference]: Without dead ends: 12227 [2022-11-19 07:36:57,519 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 [2022-11-19 07:36:57,521 INFO L413 NwaCegarLoop]: 8459 mSDtfsCounter, 8424 mSDsluCounter, 9371 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8432 SdHoareTripleChecker+Valid, 17830 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:36:57,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8432 Valid, 17830 Invalid, 824 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 822 Invalid, 2 Unknown, 0 Unchecked, 9.8s Time] [2022-11-19 07:36:57,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12227 states. [2022-11-19 07:37:00,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12227 to 12222. [2022-11-19 07:37:00,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12222 states, 6519 states have (on average 1.2825586746433502) internal successors, (8361), 7442 states have internal predecessors, (8361), 5077 states have call successors, (5077), 654 states have call predecessors, (5077), 620 states have return successors, (5787), 4368 states have call predecessors, (5787), 5075 states have call successors, (5787) [2022-11-19 07:37:00,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12222 states to 12222 states and 19225 transitions. [2022-11-19 07:37:00,318 INFO L78 Accepts]: Start accepts. Automaton has 12222 states and 19225 transitions. Word has length 139 [2022-11-19 07:37:00,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:37:00,318 INFO L495 AbstractCegarLoop]: Abstraction has 12222 states and 19225 transitions. [2022-11-19 07:37:00,319 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) [2022-11-19 07:37:00,319 INFO L276 IsEmpty]: Start isEmpty. Operand 12222 states and 19225 transitions. [2022-11-19 07:37:00,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-19 07:37:00,322 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:37:00,323 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] [2022-11-19 07:37:00,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-19 07:37:00,323 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)] === [2022-11-19 07:37:00,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:37:00,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1063155164, now seen corresponding path program 1 times [2022-11-19 07:37:00,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:37:00,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768334455] [2022-11-19 07:37:00,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:00,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:37:00,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:00,946 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 07:37:00,946 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:37:00,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768334455] [2022-11-19 07:37:00,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768334455] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:37:00,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:37:00,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:37:00,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389431945] [2022-11-19 07:37:00,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:37:00,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:37:00,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:37:00,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:37:00,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:37:00,948 INFO L87 Difference]: Start difference. First operand 12222 states and 19225 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) [2022-11-19 07:37:06,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:37:07,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:37:11,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:37:11,203 INFO L93 Difference]: Finished difference Result 12227 states and 19228 transitions. [2022-11-19 07:37:11,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:37:11,204 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 [2022-11-19 07:37:11,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:37:11,261 INFO L225 Difference]: With dead ends: 12227 [2022-11-19 07:37:11,261 INFO L226 Difference]: Without dead ends: 12060 [2022-11-19 07:37:11,274 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 [2022-11-19 07:37:11,275 INFO L413 NwaCegarLoop]: 8459 mSDtfsCounter, 8421 mSDsluCounter, 9371 mSDsCounter, 0 mSdLazyCounter, 823 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8427 SdHoareTripleChecker+Valid, 17830 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 823 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:37:11,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8427 Valid, 17830 Invalid, 824 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 823 Invalid, 1 Unknown, 0 Unchecked, 8.1s Time] [2022-11-19 07:37:11,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12060 states. [2022-11-19 07:37:13,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12060 to 12055. [2022-11-19 07:37:13,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12055 states, 6435 states have (on average 1.2846930846930846) internal successors, (8267), 7351 states have internal predecessors, (8267), 5014 states have call successors, (5014), 634 states have call predecessors, (5014), 601 states have return successors, (5723), 4308 states have call predecessors, (5723), 5013 states have call successors, (5723) [2022-11-19 07:37:14,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12055 states to 12055 states and 19004 transitions. [2022-11-19 07:37:14,038 INFO L78 Accepts]: Start accepts. Automaton has 12055 states and 19004 transitions. Word has length 144 [2022-11-19 07:37:14,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:37:14,039 INFO L495 AbstractCegarLoop]: Abstraction has 12055 states and 19004 transitions. [2022-11-19 07:37:14,039 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) [2022-11-19 07:37:14,039 INFO L276 IsEmpty]: Start isEmpty. Operand 12055 states and 19004 transitions. [2022-11-19 07:37:14,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-11-19 07:37:14,042 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:37:14,042 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] [2022-11-19 07:37:14,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-19 07:37:14,043 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)] === [2022-11-19 07:37:14,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:37:14,043 INFO L85 PathProgramCache]: Analyzing trace with hash 647138459, now seen corresponding path program 1 times [2022-11-19 07:37:14,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:37:14,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018482821] [2022-11-19 07:37:14,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:14,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:37:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:15,202 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-11-19 07:37:15,202 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:37:15,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018482821] [2022-11-19 07:37:15,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018482821] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:37:15,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:37:15,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:37:15,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485941053] [2022-11-19 07:37:15,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:37:15,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:37:15,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:37:15,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:37:15,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:37:15,205 INFO L87 Difference]: Start difference. First operand 12055 states and 19004 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) [2022-11-19 07:37:21,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:37:23,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:37:25,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:37:28,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:37:28,311 INFO L93 Difference]: Finished difference Result 24098 states and 38083 transitions. [2022-11-19 07:37:28,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:37:28,312 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 [2022-11-19 07:37:28,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:37:28,364 INFO L225 Difference]: With dead ends: 24098 [2022-11-19 07:37:28,364 INFO L226 Difference]: Without dead ends: 12063 [2022-11-19 07:37:28,450 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 [2022-11-19 07:37:28,450 INFO L413 NwaCegarLoop]: 8035 mSDtfsCounter, 5 mSDsluCounter, 16062 mSDsCounter, 0 mSdLazyCounter, 1089 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 24097 SdHoareTripleChecker+Invalid, 1090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1089 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:37:28,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 24097 Invalid, 1090 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1089 Invalid, 1 Unknown, 0 Unchecked, 10.8s Time] [2022-11-19 07:37:28,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12063 states. [2022-11-19 07:37:30,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12063 to 12063. [2022-11-19 07:37:30,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12063 states, 6441 states have (on average 1.2844278838689644) internal successors, (8273), 7359 states have internal predecessors, (8273), 5014 states have call successors, (5014), 634 states have call predecessors, (5014), 603 states have return successors, (5727), 4308 states have call predecessors, (5727), 5013 states have call successors, (5727) [2022-11-19 07:37:30,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12063 states to 12063 states and 19014 transitions. [2022-11-19 07:37:30,912 INFO L78 Accepts]: Start accepts. Automaton has 12063 states and 19014 transitions. Word has length 183 [2022-11-19 07:37:30,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:37:30,913 INFO L495 AbstractCegarLoop]: Abstraction has 12063 states and 19014 transitions. [2022-11-19 07:37:30,913 INFO L496 AbstractCegarLoop]: INTERPOLANT 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) [2022-11-19 07:37:30,913 INFO L276 IsEmpty]: Start isEmpty. Operand 12063 states and 19014 transitions. [2022-11-19 07:37:30,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-11-19 07:37:30,916 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:37:30,916 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:37:30,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-19 07:37:30,916 INFO L420 AbstractCegarLoop]: === Iteration 28 === 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)] === [2022-11-19 07:37:30,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:37:30,917 INFO L85 PathProgramCache]: Analyzing trace with hash -561746600, now seen corresponding path program 1 times [2022-11-19 07:37:30,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:37:30,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180962712] [2022-11-19 07:37:30,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:30,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:37:31,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:31,580 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2022-11-19 07:37:31,580 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:37:31,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180962712] [2022-11-19 07:37:31,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180962712] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:37:31,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:37:31,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:37:31,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68775270] [2022-11-19 07:37:31,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:37:31,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:37:31,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:37:31,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:37:31,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:37:31,583 INFO L87 Difference]: Start difference. First operand 12063 states and 19014 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-19 07:37:35,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:37:38,622 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 [] [2022-11-19 07:37:41,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:37:41,872 INFO L93 Difference]: Finished difference Result 12065 states and 19015 transitions. [2022-11-19 07:37:41,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 07:37:41,874 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 192 [2022-11-19 07:37:41,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:37:41,924 INFO L225 Difference]: With dead ends: 12065 [2022-11-19 07:37:41,924 INFO L226 Difference]: Without dead ends: 12063 [2022-11-19 07:37:41,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-19 07:37:41,935 INFO L413 NwaCegarLoop]: 8039 mSDtfsCounter, 53 mSDsluCounter, 24067 mSDsCounter, 0 mSdLazyCounter, 1446 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 32106 SdHoareTripleChecker+Invalid, 1448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1446 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:37:41,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 32106 Invalid, 1448 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1446 Invalid, 1 Unknown, 0 Unchecked, 8.2s Time] [2022-11-19 07:37:41,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12063 states. [2022-11-19 07:37:44,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12063 to 12063. [2022-11-19 07:37:44,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12063 states, 6441 states have (on average 1.2834963514982145) internal successors, (8267), 7359 states have internal predecessors, (8267), 5014 states have call successors, (5014), 634 states have call predecessors, (5014), 603 states have return successors, (5727), 4308 states have call predecessors, (5727), 5013 states have call successors, (5727) [2022-11-19 07:37:44,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12063 states to 12063 states and 19008 transitions. [2022-11-19 07:37:44,402 INFO L78 Accepts]: Start accepts. Automaton has 12063 states and 19008 transitions. Word has length 192 [2022-11-19 07:37:44,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:37:44,403 INFO L495 AbstractCegarLoop]: Abstraction has 12063 states and 19008 transitions. [2022-11-19 07:37:44,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-19 07:37:44,403 INFO L276 IsEmpty]: Start isEmpty. Operand 12063 states and 19008 transitions. [2022-11-19 07:37:44,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-11-19 07:37:44,405 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:37:44,405 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:37:44,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-19 07:37:44,406 INFO L420 AbstractCegarLoop]: === Iteration 29 === 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)] === [2022-11-19 07:37:44,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:37:44,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1269454227, now seen corresponding path program 1 times [2022-11-19 07:37:44,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:37:44,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676364419] [2022-11-19 07:37:44,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:44,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:37:45,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:47,591 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 7 proven. 48 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2022-11-19 07:37:47,592 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:37:47,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676364419] [2022-11-19 07:37:47,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676364419] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:37:47,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308814223] [2022-11-19 07:37:47,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:47,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:37:47,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:37:47,596 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:37:47,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:37:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:51,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 5105 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-19 07:37:51,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:37:51,394 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2022-11-19 07:37:51,394 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:37:51,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [308814223] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:37:51,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:37:51,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [9] total 18 [2022-11-19 07:37:51,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19889083] [2022-11-19 07:37:51,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:37:51,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-19 07:37:51,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:37:51,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-19 07:37:51,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=272, Unknown=0, NotChecked=0, Total=306 [2022-11-19 07:37:51,397 INFO L87 Difference]: Start difference. First operand 12063 states and 19008 transitions. Second operand has 13 states, 9 states have (on average 8.777777777777779) internal successors, (79), 10 states have internal predecessors, (79), 5 states have call successors, (36), 2 states have call predecessors, (36), 6 states have return successors, (32), 7 states have call predecessors, (32), 5 states have call successors, (32) [2022-11-19 07:38:00,019 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 [] [2022-11-19 07:38:05,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:38:07,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:38:10,336 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 [] [2022-11-19 07:38:24,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:38:24,011 INFO L93 Difference]: Finished difference Result 30352 states and 48664 transitions. [2022-11-19 07:38:24,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-19 07:38:24,012 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 9 states have (on average 8.777777777777779) internal successors, (79), 10 states have internal predecessors, (79), 5 states have call successors, (36), 2 states have call predecessors, (36), 6 states have return successors, (32), 7 states have call predecessors, (32), 5 states have call successors, (32) Word has length 206 [2022-11-19 07:38:24,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:38:24,104 INFO L225 Difference]: With dead ends: 30352 [2022-11-19 07:38:24,104 INFO L226 Difference]: Without dead ends: 18307 [2022-11-19 07:38:24,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=58, Invalid=494, Unknown=0, NotChecked=0, Total=552 [2022-11-19 07:38:24,182 INFO L413 NwaCegarLoop]: 12830 mSDtfsCounter, 2236 mSDsluCounter, 136917 mSDsCounter, 0 mSdLazyCounter, 9819 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3728 SdHoareTripleChecker+Valid, 149747 SdHoareTripleChecker+Invalid, 9823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9819 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:38:24,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3728 Valid, 149747 Invalid, 9823 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [1 Valid, 9819 Invalid, 3 Unknown, 0 Unchecked, 27.1s Time] [2022-11-19 07:38:24,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18307 states. [2022-11-19 07:38:28,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18307 to 12075. [2022-11-19 07:38:28,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12075 states, 6449 states have (on average 1.2831446735928052) internal successors, (8275), 7365 states have internal predecessors, (8275), 5018 states have call successors, (5018), 634 states have call predecessors, (5018), 603 states have return successors, (5731), 4314 states have call predecessors, (5731), 5017 states have call successors, (5731) [2022-11-19 07:38:28,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12075 states to 12075 states and 19024 transitions. [2022-11-19 07:38:28,336 INFO L78 Accepts]: Start accepts. Automaton has 12075 states and 19024 transitions. Word has length 206 [2022-11-19 07:38:28,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:38:28,337 INFO L495 AbstractCegarLoop]: Abstraction has 12075 states and 19024 transitions. [2022-11-19 07:38:28,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 9 states have (on average 8.777777777777779) internal successors, (79), 10 states have internal predecessors, (79), 5 states have call successors, (36), 2 states have call predecessors, (36), 6 states have return successors, (32), 7 states have call predecessors, (32), 5 states have call successors, (32) [2022-11-19 07:38:28,338 INFO L276 IsEmpty]: Start isEmpty. Operand 12075 states and 19024 transitions. [2022-11-19 07:38:28,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-11-19 07:38:28,342 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:38:28,342 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:38:28,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 07:38:28,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-11-19 07:38:28,555 INFO L420 AbstractCegarLoop]: === Iteration 30 === 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)] === [2022-11-19 07:38:28,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:38:28,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1929872746, now seen corresponding path program 1 times [2022-11-19 07:38:28,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:38:28,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156439057] [2022-11-19 07:38:28,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:38:28,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:38:28,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:38:30,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2022-11-19 07:38:30,107 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:38:30,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156439057] [2022-11-19 07:38:30,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156439057] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:38:30,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:38:30,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:38:30,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696866545] [2022-11-19 07:38:30,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:38:30,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:38:30,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:38:30,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:38:30,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:38:30,110 INFO L87 Difference]: Start difference. First operand 12075 states and 19024 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-19 07:38:32,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:34,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:38:36,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:38,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:38:46,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:38:46,001 INFO L93 Difference]: Finished difference Result 22183 states and 35376 transitions. [2022-11-19 07:38:46,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 07:38:46,002 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 237 [2022-11-19 07:38:46,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:38:46,139 INFO L225 Difference]: With dead ends: 22183 [2022-11-19 07:38:46,139 INFO L226 Difference]: Without dead ends: 22181 [2022-11-19 07:38:46,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-19 07:38:46,156 INFO L413 NwaCegarLoop]: 10363 mSDtfsCounter, 7865 mSDsluCounter, 28511 mSDsCounter, 0 mSdLazyCounter, 1490 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7873 SdHoareTripleChecker+Valid, 38874 SdHoareTripleChecker+Invalid, 1494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1490 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:38:46,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7873 Valid, 38874 Invalid, 1494 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1490 Invalid, 1 Unknown, 0 Unchecked, 11.1s Time] [2022-11-19 07:38:46,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22181 states. [2022-11-19 07:38:51,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22181 to 22172. [2022-11-19 07:38:51,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22172 states, 11829 states have (on average 1.2853157494293685) internal successors, (15204), 13558 states have internal predecessors, (15204), 9326 states have call successors, (9326), 1075 states have call predecessors, (9326), 1012 states have return successors, (10836), 7993 states have call predecessors, (10836), 9324 states have call successors, (10836) [2022-11-19 07:38:51,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22172 states to 22172 states and 35366 transitions. [2022-11-19 07:38:51,652 INFO L78 Accepts]: Start accepts. Automaton has 22172 states and 35366 transitions. Word has length 237 [2022-11-19 07:38:51,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:38:51,653 INFO L495 AbstractCegarLoop]: Abstraction has 22172 states and 35366 transitions. [2022-11-19 07:38:51,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-19 07:38:51,654 INFO L276 IsEmpty]: Start isEmpty. Operand 22172 states and 35366 transitions. [2022-11-19 07:38:51,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-11-19 07:38:51,662 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:38:51,663 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:38:51,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-19 07:38:51,671 INFO L420 AbstractCegarLoop]: === Iteration 31 === 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)] === [2022-11-19 07:38:51,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:38:51,672 INFO L85 PathProgramCache]: Analyzing trace with hash -765976855, now seen corresponding path program 1 times [2022-11-19 07:38:51,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:38:51,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802789778] [2022-11-19 07:38:51,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:38:51,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:38:51,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:38:53,861 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 391 trivial. 0 not checked. [2022-11-19 07:38:53,862 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:38:53,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802789778] [2022-11-19 07:38:53,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802789778] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:38:53,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:38:53,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 07:38:53,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019446030] [2022-11-19 07:38:53,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:38:53,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 07:38:53,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:38:53,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 07:38:53,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:38:53,864 INFO L87 Difference]: Start difference. First operand 22172 states and 35366 transitions. Second operand has 6 states, 6 states have (on average 17.0) internal successors, (102), 5 states have internal predecessors, (102), 3 states have call successors, (39), 4 states have call predecessors, (39), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-19 07:39:02,733 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 [] [2022-11-19 07:39:10,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:39:13,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:39:14,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:39:15,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:39:19,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:39:42,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:39:42,126 INFO L93 Difference]: Finished difference Result 25072 states and 39980 transitions. [2022-11-19 07:39:42,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-19 07:39:42,127 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 5 states have internal predecessors, (102), 3 states have call successors, (39), 4 states have call predecessors, (39), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 241 [2022-11-19 07:39:42,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:39:42,274 INFO L225 Difference]: With dead ends: 25072 [2022-11-19 07:39:42,274 INFO L226 Difference]: Without dead ends: 24996 [2022-11-19 07:39:42,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-19 07:39:42,292 INFO L413 NwaCegarLoop]: 5538 mSDtfsCounter, 7154 mSDsluCounter, 13913 mSDsCounter, 0 mSdLazyCounter, 13352 mSolverCounterSat, 4332 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8696 SdHoareTripleChecker+Valid, 19451 SdHoareTripleChecker+Invalid, 17687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4332 IncrementalHoareTripleChecker+Valid, 13352 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:39:42,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8696 Valid, 19451 Invalid, 17687 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4332 Valid, 13352 Invalid, 3 Unknown, 0 Unchecked, 41.0s Time] [2022-11-19 07:39:42,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24996 states. [2022-11-19 07:39:47,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24996 to 24826. [2022-11-19 07:39:47,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24826 states, 13184 states have (on average 1.2793537621359223) internal successors, (16867), 15068 states have internal predecessors, (16867), 10248 states have call successors, (10248), 1304 states have call predecessors, (10248), 1389 states have return successors, (12364), 8943 states have call predecessors, (12364), 10248 states have call successors, (12364) [2022-11-19 07:39:47,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24826 states to 24826 states and 39479 transitions. [2022-11-19 07:39:47,366 INFO L78 Accepts]: Start accepts. Automaton has 24826 states and 39479 transitions. Word has length 241 [2022-11-19 07:39:47,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:39:47,367 INFO L495 AbstractCegarLoop]: Abstraction has 24826 states and 39479 transitions. [2022-11-19 07:39:47,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 5 states have internal predecessors, (102), 3 states have call successors, (39), 4 states have call predecessors, (39), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-19 07:39:47,367 INFO L276 IsEmpty]: Start isEmpty. Operand 24826 states and 39479 transitions. [2022-11-19 07:39:47,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2022-11-19 07:39:47,381 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:39:47,381 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:39:47,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-19 07:39:47,382 INFO L420 AbstractCegarLoop]: === Iteration 32 === 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)] === [2022-11-19 07:39:47,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:39:47,383 INFO L85 PathProgramCache]: Analyzing trace with hash 330718165, now seen corresponding path program 1 times [2022-11-19 07:39:47,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:39:47,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999885109] [2022-11-19 07:39:47,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:39:47,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:39:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:39:49,348 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2022-11-19 07:39:49,349 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:39:49,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999885109] [2022-11-19 07:39:49,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999885109] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:39:49,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:39:49,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 07:39:49,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603006045] [2022-11-19 07:39:49,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:39:49,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-19 07:39:49,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:39:49,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-19 07:39:49,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-19 07:39:49,351 INFO L87 Difference]: Start difference. First operand 24826 states and 39479 transitions. Second operand has 8 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 2 states have call successors, (48), 2 states have call predecessors, (48), 4 states have return successors, (43), 4 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-19 07:39:57,732 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 [] [2022-11-19 07:40:05,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:40:05,653 INFO L93 Difference]: Finished difference Result 49672 states and 79335 transitions. [2022-11-19 07:40:05,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 07:40:05,653 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 2 states have call successors, (48), 2 states have call predecessors, (48), 4 states have return successors, (43), 4 states have call predecessors, (43), 2 states have call successors, (43) Word has length 261 [2022-11-19 07:40:05,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:40:05,779 INFO L225 Difference]: With dead ends: 49672 [2022-11-19 07:40:05,779 INFO L226 Difference]: Without dead ends: 24866 [2022-11-19 07:40:05,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-19 07:40:05,895 INFO L413 NwaCegarLoop]: 7984 mSDtfsCounter, 5 mSDsluCounter, 47879 mSDsCounter, 0 mSdLazyCounter, 2509 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 55863 SdHoareTripleChecker+Invalid, 2510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2509 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:40:05,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 55863 Invalid, 2510 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2509 Invalid, 1 Unknown, 0 Unchecked, 11.1s Time] [2022-11-19 07:40:05,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24866 states. [2022-11-19 07:40:11,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24866 to 24850. [2022-11-19 07:40:11,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24850 states, 13200 states have (on average 1.2790151515151515) internal successors, (16883), 15084 states have internal predecessors, (16883), 10248 states have call successors, (10248), 1304 states have call predecessors, (10248), 1397 states have return successors, (12384), 8951 states have call predecessors, (12384), 10248 states have call successors, (12384) [2022-11-19 07:40:11,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24850 states to 24850 states and 39515 transitions. [2022-11-19 07:40:11,805 INFO L78 Accepts]: Start accepts. Automaton has 24850 states and 39515 transitions. Word has length 261 [2022-11-19 07:40:11,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:40:11,805 INFO L495 AbstractCegarLoop]: Abstraction has 24850 states and 39515 transitions. [2022-11-19 07:40:11,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 2 states have call successors, (48), 2 states have call predecessors, (48), 4 states have return successors, (43), 4 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-19 07:40:11,805 INFO L276 IsEmpty]: Start isEmpty. Operand 24850 states and 39515 transitions. [2022-11-19 07:40:11,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-11-19 07:40:11,814 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:40:11,814 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:40:11,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-19 07:40:11,815 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_linux_kernel_sched_completion_wait_for_completion_ready_of_wiimote_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)] === [2022-11-19 07:40:11,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:40:11,815 INFO L85 PathProgramCache]: Analyzing trace with hash -364304691, now seen corresponding path program 1 times [2022-11-19 07:40:11,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:40:11,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960671502] [2022-11-19 07:40:11,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:40:11,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:40:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:40:13,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1194 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1194 trivial. 0 not checked. [2022-11-19 07:40:13,425 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:40:13,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960671502] [2022-11-19 07:40:13,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960671502] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:40:13,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:40:13,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 07:40:13,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521803575] [2022-11-19 07:40:13,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:40:13,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 07:40:13,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:40:13,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 07:40:13,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:40:13,428 INFO L87 Difference]: Start difference. First operand 24850 states and 39515 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-11-19 07:40:16,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:40:21,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:40:29,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:40:29,896 INFO L93 Difference]: Finished difference Result 49697 states and 79380 transitions. [2022-11-19 07:40:29,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 07:40:29,896 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 292 [2022-11-19 07:40:29,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:40:30,040 INFO L225 Difference]: With dead ends: 49697 [2022-11-19 07:40:30,040 INFO L226 Difference]: Without dead ends: 24867 [2022-11-19 07:40:30,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-19 07:40:30,156 INFO L413 NwaCegarLoop]: 7989 mSDtfsCounter, 13 mSDsluCounter, 31916 mSDsCounter, 0 mSdLazyCounter, 1824 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 39905 SdHoareTripleChecker+Invalid, 1843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1824 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:40:30,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 39905 Invalid, 1843 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [18 Valid, 1824 Invalid, 1 Unknown, 0 Unchecked, 11.0s Time] [2022-11-19 07:40:30,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24867 states. [2022-11-19 07:40:36,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24867 to 24867. [2022-11-19 07:40:36,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24867 states, 13206 states have (on average 1.278888384067848) internal successors, (16889), 15091 states have internal predecessors, (16889), 10257 states have call successors, (10257), 1305 states have call predecessors, (10257), 1399 states have return successors, (12395), 8960 states have call predecessors, (12395), 10257 states have call successors, (12395) [2022-11-19 07:40:36,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24867 states to 24867 states and 39541 transitions. [2022-11-19 07:40:36,770 INFO L78 Accepts]: Start accepts. Automaton has 24867 states and 39541 transitions. Word has length 292 [2022-11-19 07:40:36,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:40:36,771 INFO L495 AbstractCegarLoop]: Abstraction has 24867 states and 39541 transitions. [2022-11-19 07:40:36,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-11-19 07:40:36,771 INFO L276 IsEmpty]: Start isEmpty. Operand 24867 states and 39541 transitions. [2022-11-19 07:40:36,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-11-19 07:40:36,782 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:40:36,782 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:40:36,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-11-19 07:40:36,782 INFO L420 AbstractCegarLoop]: === Iteration 34 === 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)] === [2022-11-19 07:40:36,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:40:36,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1930799079, now seen corresponding path program 1 times [2022-11-19 07:40:36,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:40:36,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354314633] [2022-11-19 07:40:36,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:40:36,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:40:36,938 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:40:36,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2121555808] [2022-11-19 07:40:36,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:40:36,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:40:36,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:40:36,942 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:40:36,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d69a8b45-76db-4efa-bbbf-2b7e0901879d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process