./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--gpu--drm--ast--ast.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b 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_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/bin/uautomizer-ug76WZFUDN --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ca0a53c4f6c5b2fe175dc6e02f972fead30c92e05ea428ef0a5b4e9fd4cc9337 --- 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-6b4ec56 [2022-11-20 11:52:09,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:52:09,971 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:52:09,994 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:52:09,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:52:09,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:52:09,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:52:10,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:52:10,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:52:10,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:52:10,004 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:52:10,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:52:10,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:52:10,007 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:52:10,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:52:10,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:52:10,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:52:10,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:52:10,014 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:52:10,016 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:52:10,018 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:52:10,019 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:52:10,021 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:52:10,022 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:52:10,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:52:10,027 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:52:10,027 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:52:10,028 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:52:10,029 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:52:10,030 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:52:10,031 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:52:10,032 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:52:10,033 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:52:10,034 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:52:10,035 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:52:10,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:52:10,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:52:10,037 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:52:10,037 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:52:10,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:52:10,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:52:10,040 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 11:52:10,067 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:52:10,068 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:52:10,068 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:52:10,069 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:52:10,070 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:52:10,070 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:52:10,071 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:52:10,071 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:52:10,071 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:52:10,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:52:10,072 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:52:10,072 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:52:10,073 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:52:10,073 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:52:10,073 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:52:10,074 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:52:10,074 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:52:10,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:52:10,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:52:10,075 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:52:10,075 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:52:10,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:52:10,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:52:10,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:52:10,076 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:52:10,077 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:52:10,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:52:10,077 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:52:10,078 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:52:10,078 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:52:10,078 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_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca0a53c4f6c5b2fe175dc6e02f972fead30c92e05ea428ef0a5b4e9fd4cc9337 [2022-11-20 11:52:10,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:52:10,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:52:10,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:52:10,476 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:52:10,477 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:52:10,479 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i [2022-11-20 11:52:14,305 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:52:15,277 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:52:15,277 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i [2022-11-20 11:52:15,370 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/bin/uautomizer-ug76WZFUDN/data/28a7d93a8/de08f8ee4f2044d081163c55e5fd2937/FLAG6edfa030a [2022-11-20 11:52:15,391 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/bin/uautomizer-ug76WZFUDN/data/28a7d93a8/de08f8ee4f2044d081163c55e5fd2937 [2022-11-20 11:52:15,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:52:15,397 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:52:15,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:52:15,403 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:52:15,408 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:52:15,409 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:52:15" (1/1) ... [2022-11-20 11:52:15,410 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@494c82f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:52:15, skipping insertion in model container [2022-11-20 11:52:15,410 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:52:15" (1/1) ... [2022-11-20 11:52:15,420 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:52:15,786 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:52:24,551 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[614473,614486] [2022-11-20 11:52:24,557 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[614618,614631] [2022-11-20 11:52:24,557 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[614764,614777] [2022-11-20 11:52:24,558 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[614929,614942] [2022-11-20 11:52:24,559 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615087,615100] [2022-11-20 11:52:24,560 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615245,615258] [2022-11-20 11:52:24,560 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615403,615416] [2022-11-20 11:52:24,561 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615563,615576] [2022-11-20 11:52:24,561 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615722,615735] [2022-11-20 11:52:24,562 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615861,615874] [2022-11-20 11:52:24,563 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616003,616016] [2022-11-20 11:52:24,563 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616152,616165] [2022-11-20 11:52:24,564 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616291,616304] [2022-11-20 11:52:24,564 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616446,616459] [2022-11-20 11:52:24,565 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616606,616619] [2022-11-20 11:52:24,565 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616757,616770] [2022-11-20 11:52:24,566 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616908,616921] [2022-11-20 11:52:24,567 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617060,617073] [2022-11-20 11:52:24,567 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617209,617222] [2022-11-20 11:52:24,568 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617357,617370] [2022-11-20 11:52:24,569 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617514,617527] [2022-11-20 11:52:24,569 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617663,617676] [2022-11-20 11:52:24,570 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617819,617832] [2022-11-20 11:52:24,570 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617972,617985] [2022-11-20 11:52:24,571 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618118,618131] [2022-11-20 11:52:24,571 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618261,618274] [2022-11-20 11:52:24,572 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618413,618426] [2022-11-20 11:52:24,573 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618559,618572] [2022-11-20 11:52:24,573 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618704,618717] [2022-11-20 11:52:24,574 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618858,618871] [2022-11-20 11:52:24,574 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619009,619022] [2022-11-20 11:52:24,575 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619164,619177] [2022-11-20 11:52:24,575 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619316,619329] [2022-11-20 11:52:24,576 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619471,619484] [2022-11-20 11:52:24,577 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619635,619648] [2022-11-20 11:52:24,577 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619791,619804] [2022-11-20 11:52:24,578 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619955,619968] [2022-11-20 11:52:24,578 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620097,620110] [2022-11-20 11:52:24,579 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620255,620268] [2022-11-20 11:52:24,579 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620422,620435] [2022-11-20 11:52:24,580 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620581,620594] [2022-11-20 11:52:24,581 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620740,620753] [2022-11-20 11:52:24,581 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620889,620902] [2022-11-20 11:52:24,582 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621036,621049] [2022-11-20 11:52:24,582 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621175,621188] [2022-11-20 11:52:24,583 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621338,621351] [2022-11-20 11:52:24,583 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621504,621517] [2022-11-20 11:52:24,584 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621668,621681] [2022-11-20 11:52:24,585 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621833,621846] [2022-11-20 11:52:24,585 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621998,622011] [2022-11-20 11:52:24,586 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622164,622177] [2022-11-20 11:52:24,586 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622329,622342] [2022-11-20 11:52:24,587 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622496,622509] [2022-11-20 11:52:24,587 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622656,622669] [2022-11-20 11:52:24,588 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622818,622831] [2022-11-20 11:52:24,588 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622977,622990] [2022-11-20 11:52:24,589 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623123,623136] [2022-11-20 11:52:24,589 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623266,623279] [2022-11-20 11:52:24,590 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623410,623423] [2022-11-20 11:52:24,591 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623553,623566] [2022-11-20 11:52:24,591 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623697,623710] [2022-11-20 11:52:24,592 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623838,623851] [2022-11-20 11:52:24,592 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623976,623989] [2022-11-20 11:52:24,593 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624134,624147] [2022-11-20 11:52:24,594 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624293,624306] [2022-11-20 11:52:24,594 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624449,624462] [2022-11-20 11:52:24,595 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624598,624611] [2022-11-20 11:52:24,595 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624750,624763] [2022-11-20 11:52:24,596 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624901,624914] [2022-11-20 11:52:24,596 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625050,625063] [2022-11-20 11:52:24,597 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625202,625215] [2022-11-20 11:52:24,598 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625350,625363] [2022-11-20 11:52:24,598 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625503,625516] [2022-11-20 11:52:24,599 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625654,625667] [2022-11-20 11:52:24,599 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625804,625817] [2022-11-20 11:52:24,600 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625951,625964] [2022-11-20 11:52:24,600 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626102,626115] [2022-11-20 11:52:24,601 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626253,626266] [2022-11-20 11:52:24,602 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626401,626414] [2022-11-20 11:52:24,602 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626567,626580] [2022-11-20 11:52:24,603 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626736,626749] [2022-11-20 11:52:24,603 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626903,626916] [2022-11-20 11:52:24,604 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627071,627084] [2022-11-20 11:52:24,604 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627221,627234] [2022-11-20 11:52:24,605 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627368,627381] [2022-11-20 11:52:24,605 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627529,627542] [2022-11-20 11:52:24,606 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627699,627712] [2022-11-20 11:52:24,606 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627861,627874] [2022-11-20 11:52:24,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:52:24,759 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:52:25,513 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[614473,614486] [2022-11-20 11:52:25,519 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[614618,614631] [2022-11-20 11:52:25,521 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[614764,614777] [2022-11-20 11:52:25,580 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[614929,614942] [2022-11-20 11:52:25,581 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615087,615100] [2022-11-20 11:52:25,582 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615245,615258] [2022-11-20 11:52:25,582 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615403,615416] [2022-11-20 11:52:25,583 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615563,615576] [2022-11-20 11:52:25,583 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615722,615735] [2022-11-20 11:52:25,584 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615861,615874] [2022-11-20 11:52:25,584 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616003,616016] [2022-11-20 11:52:25,585 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616152,616165] [2022-11-20 11:52:25,585 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616291,616304] [2022-11-20 11:52:25,586 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616446,616459] [2022-11-20 11:52:25,586 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616606,616619] [2022-11-20 11:52:25,587 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616757,616770] [2022-11-20 11:52:25,587 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616908,616921] [2022-11-20 11:52:25,588 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617060,617073] [2022-11-20 11:52:25,588 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617209,617222] [2022-11-20 11:52:25,589 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617357,617370] [2022-11-20 11:52:25,589 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617514,617527] [2022-11-20 11:52:25,590 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617663,617676] [2022-11-20 11:52:25,590 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617819,617832] [2022-11-20 11:52:25,595 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617972,617985] [2022-11-20 11:52:25,596 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618118,618131] [2022-11-20 11:52:25,596 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618261,618274] [2022-11-20 11:52:25,597 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618413,618426] [2022-11-20 11:52:25,598 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618559,618572] [2022-11-20 11:52:25,599 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618704,618717] [2022-11-20 11:52:25,599 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618858,618871] [2022-11-20 11:52:25,600 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619009,619022] [2022-11-20 11:52:25,601 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619164,619177] [2022-11-20 11:52:25,602 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619316,619329] [2022-11-20 11:52:25,605 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619471,619484] [2022-11-20 11:52:25,606 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619635,619648] [2022-11-20 11:52:25,607 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619791,619804] [2022-11-20 11:52:25,607 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619955,619968] [2022-11-20 11:52:25,608 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620097,620110] [2022-11-20 11:52:25,608 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620255,620268] [2022-11-20 11:52:25,609 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620422,620435] [2022-11-20 11:52:25,610 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620581,620594] [2022-11-20 11:52:25,612 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620740,620753] [2022-11-20 11:52:25,612 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620889,620902] [2022-11-20 11:52:25,613 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621036,621049] [2022-11-20 11:52:25,613 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621175,621188] [2022-11-20 11:52:25,614 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621338,621351] [2022-11-20 11:52:25,614 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621504,621517] [2022-11-20 11:52:25,615 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621668,621681] [2022-11-20 11:52:25,615 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621833,621846] [2022-11-20 11:52:25,616 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621998,622011] [2022-11-20 11:52:25,617 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622164,622177] [2022-11-20 11:52:25,617 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622329,622342] [2022-11-20 11:52:25,618 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622496,622509] [2022-11-20 11:52:25,618 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622656,622669] [2022-11-20 11:52:25,619 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622818,622831] [2022-11-20 11:52:25,619 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622977,622990] [2022-11-20 11:52:25,620 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623123,623136] [2022-11-20 11:52:25,620 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623266,623279] [2022-11-20 11:52:25,621 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623410,623423] [2022-11-20 11:52:25,621 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623553,623566] [2022-11-20 11:52:25,622 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623697,623710] [2022-11-20 11:52:25,623 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623838,623851] [2022-11-20 11:52:25,624 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623976,623989] [2022-11-20 11:52:25,625 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624134,624147] [2022-11-20 11:52:25,629 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624293,624306] [2022-11-20 11:52:25,636 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624449,624462] [2022-11-20 11:52:25,637 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624598,624611] [2022-11-20 11:52:25,638 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624750,624763] [2022-11-20 11:52:25,638 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624901,624914] [2022-11-20 11:52:25,639 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625050,625063] [2022-11-20 11:52:25,640 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625202,625215] [2022-11-20 11:52:25,641 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625350,625363] [2022-11-20 11:52:25,641 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625503,625516] [2022-11-20 11:52:25,647 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625654,625667] [2022-11-20 11:52:25,648 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625804,625817] [2022-11-20 11:52:25,649 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625951,625964] [2022-11-20 11:52:25,649 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626102,626115] [2022-11-20 11:52:25,650 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626253,626266] [2022-11-20 11:52:25,652 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626401,626414] [2022-11-20 11:52:25,653 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626567,626580] [2022-11-20 11:52:25,653 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626736,626749] [2022-11-20 11:52:25,654 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626903,626916] [2022-11-20 11:52:25,655 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627071,627084] [2022-11-20 11:52:25,655 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627221,627234] [2022-11-20 11:52:25,656 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627368,627381] [2022-11-20 11:52:25,656 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627529,627542] [2022-11-20 11:52:25,657 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627699,627712] [2022-11-20 11:52:25,657 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627861,627874] [2022-11-20 11:52:25,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:52:26,421 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:52:26,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:52:26 WrapperNode [2022-11-20 11:52:26,422 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:52:26,423 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:52:26,424 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:52:26,424 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:52:26,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:52:26" (1/1) ... [2022-11-20 11:52:26,678 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:52:26" (1/1) ... [2022-11-20 11:52:27,250 INFO L138 Inliner]: procedures = 962, calls = 5080, calls flagged for inlining = 555, calls inlined = 474, statements flattened = 13224 [2022-11-20 11:52:27,250 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:52:27,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:52:27,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:52:27,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:52:27,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:52:26" (1/1) ... [2022-11-20 11:52:27,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:52:26" (1/1) ... [2022-11-20 11:52:27,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:52:26" (1/1) ... [2022-11-20 11:52:27,335 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:52:26" (1/1) ... [2022-11-20 11:52:27,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:52:26" (1/1) ... [2022-11-20 11:52:27,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:52:26" (1/1) ... [2022-11-20 11:52:27,815 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:52:26" (1/1) ... [2022-11-20 11:52:27,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:52:26" (1/1) ... [2022-11-20 11:52:27,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:52:27,956 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:52:27,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:52:27,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:52:27,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:52:26" (1/1) ... [2022-11-20 11:52:27,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:52:27,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:52:27,995 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:52:28,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:52:28,042 INFO L130 BoogieDeclarations]: Found specification of procedure wait_ack [2022-11-20 11:52:28,042 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_ack [2022-11-20 11:52:28,043 INFO L130 BoogieDeclarations]: Found specification of procedure clear_cmd_trigger [2022-11-20 11:52:28,043 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_cmd_trigger [2022-11-20 11:52:28,043 INFO L130 BoogieDeclarations]: Found specification of procedure ast_init_dvo [2022-11-20 11:52:28,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_init_dvo [2022-11-20 11:52:28,043 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_unreserve___0 [2022-11-20 11:52:28,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_unreserve___0 [2022-11-20 11:52:28,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-20 11:52:28,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-20 11:52:28,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 11:52:28,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 11:52:28,044 INFO L130 BoogieDeclarations]: Found specification of procedure __ww_mutex_lock [2022-11-20 11:52:28,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __ww_mutex_lock [2022-11-20 11:52:28,045 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_tt_populate [2022-11-20 11:52:28,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_tt_populate [2022-11-20 11:52:28,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_base_of_ww_mutex [2022-11-20 11:52:28,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_base_of_ww_mutex [2022-11-20 11:52:28,046 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_pin [2022-11-20 11:52:28,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_pin [2022-11-20 11:52:28,046 INFO L130 BoogieDeclarations]: Found specification of procedure ast_read32 [2022-11-20 11:52:28,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_read32 [2022-11-20 11:52:28,046 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-20 11:52:28,047 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-20 11:52:28,047 INFO L130 BoogieDeclarations]: Found specification of procedure ast_drm_thaw [2022-11-20 11:52:28,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_drm_thaw [2022-11-20 11:52:28,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_109 [2022-11-20 11:52:28,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_109 [2022-11-20 11:52:28,047 INFO L130 BoogieDeclarations]: Found specification of procedure ast_dirty_update [2022-11-20 11:52:28,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_dirty_update [2022-11-20 11:52:28,048 INFO L130 BoogieDeclarations]: Found specification of procedure ast_enable_vga [2022-11-20 11:52:28,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_enable_vga [2022-11-20 11:52:28,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-20 11:52:28,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-20 11:52:28,051 INFO L130 BoogieDeclarations]: Found specification of procedure ast_get_modes [2022-11-20 11:52:28,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_get_modes [2022-11-20 11:52:28,051 INFO L130 BoogieDeclarations]: Found specification of procedure drm_fb_helper_fini [2022-11-20 11:52:28,052 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_fb_helper_fini [2022-11-20 11:52:28,052 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kmap [2022-11-20 11:52:28,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kmap [2022-11-20 11:52:28,052 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_del_sub_from_lru [2022-11-20 11:52:28,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_del_sub_from_lru [2022-11-20 11:52:28,053 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_placement [2022-11-20 11:52:28,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_placement [2022-11-20 11:52:28,054 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_unless___0 [2022-11-20 11:52:28,054 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_unless___0 [2022-11-20 11:52:28,054 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pm_poweroff [2022-11-20 11:52:28,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pm_poweroff [2022-11-20 11:52:28,054 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kunmap [2022-11-20 11:52:28,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kunmap [2022-11-20 11:52:28,055 INFO L130 BoogieDeclarations]: Found specification of procedure ast_user_framebuffer_destroy [2022-11-20 11:52:28,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_user_framebuffer_destroy [2022-11-20 11:52:28,055 INFO L130 BoogieDeclarations]: Found specification of procedure send_ack [2022-11-20 11:52:28,055 INFO L138 BoogieDeclarations]: Found implementation of procedure send_ack [2022-11-20 11:52:28,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-20 11:52:28,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-20 11:52:28,056 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_disable [2022-11-20 11:52:28,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_disable [2022-11-20 11:52:28,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-20 11:52:28,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-20 11:52:28,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 11:52:28,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-20 11:52:28,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-20 11:52:28,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-20 11:52:28,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-20 11:52:28,058 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_mode_set_base [2022-11-20 11:52:28,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_mode_set_base [2022-11-20 11:52:28,058 INFO L130 BoogieDeclarations]: Found specification of procedure ast_io_read8 [2022-11-20 11:52:28,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_io_read8 [2022-11-20 11:52:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-20 11:52:28,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-20 11:52:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2022-11-20 11:52:28,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2022-11-20 11:52:28,065 INFO L130 BoogieDeclarations]: Found specification of procedure drm_fb_helper_debug_enter [2022-11-20 11:52:28,065 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_fb_helper_debug_enter [2022-11-20 11:52:28,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 11:52:28,065 INFO L130 BoogieDeclarations]: Found specification of procedure ast_post_gpu [2022-11-20 11:52:28,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_post_gpu [2022-11-20 11:52:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-20 11:52:28,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-20 11:52:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:52:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-20 11:52:28,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-20 11:52:28,069 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-20 11:52:28,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-20 11:52:28,069 INFO L130 BoogieDeclarations]: Found specification of procedure ast_fbdev_set_suspend [2022-11-20 11:52:28,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_fbdev_set_suspend [2022-11-20 11:52:28,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 11:52:28,070 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-20 11:52:28,070 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_add_to_lru [2022-11-20 11:52:28,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_add_to_lru [2022-11-20 11:52:28,070 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_burst2 [2022-11-20 11:52:28,070 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_burst2 [2022-11-20 11:52:28,070 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-20 11:52:28,071 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-20 11:52:28,072 INFO L130 BoogieDeclarations]: Found specification of procedure drm_read [2022-11-20 11:52:28,072 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_read [2022-11-20 11:52:28,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:52:28,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:52:28,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 11:52:28,073 INFO L130 BoogieDeclarations]: Found specification of procedure drm_fb_helper_debug_leave [2022-11-20 11:52:28,073 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_fb_helper_debug_leave [2022-11-20 11:52:28,073 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-20 11:52:28,073 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_prepare [2022-11-20 11:52:28,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_prepare [2022-11-20 11:52:28,074 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_prepare [2022-11-20 11:52:28,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_prepare [2022-11-20 11:52:28,074 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_reserve [2022-11-20 11:52:28,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_reserve [2022-11-20 11:52:28,074 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_unreference_unlocked [2022-11-20 11:52:28,075 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_unreference_unlocked [2022-11-20 11:52:28,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-20 11:52:28,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-20 11:52:28,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-20 11:52:28,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-20 11:52:28,075 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-20 11:52:28,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-20 11:52:28,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-20 11:52:28,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-20 11:52:28,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:52:28,077 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_free [2022-11-20 11:52:28,077 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_free [2022-11-20 11:52:28,077 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pm_thaw [2022-11-20 11:52:28,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pm_thaw [2022-11-20 11:52:28,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-20 11:52:28,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-20 11:52:28,078 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_release [2022-11-20 11:52:28,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_113 [2022-11-20 11:52:28,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_113 [2022-11-20 11:52:28,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 11:52:28,079 INFO L130 BoogieDeclarations]: Found specification of procedure ast_connector_destroy [2022-11-20 11:52:28,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_connector_destroy [2022-11-20 11:52:28,079 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_commit [2022-11-20 11:52:28,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_commit [2022-11-20 11:52:28,080 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-20 11:52:28,080 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-20 11:52:28,080 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_kmap_obj_virtual [2022-11-20 11:52:28,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_kmap_obj_virtual [2022-11-20 11:52:28,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-20 11:52:28,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-20 11:52:28,080 INFO L130 BoogieDeclarations]: Found specification of procedure ast_write32 [2022-11-20 11:52:28,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_write32 [2022-11-20 11:52:28,081 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_unreference_unlocked___0 [2022-11-20 11:52:28,081 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_unreference_unlocked___0 [2022-11-20 11:52:28,081 INFO L130 BoogieDeclarations]: Found specification of procedure __ttm_bo_unreserve [2022-11-20 11:52:28,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __ttm_bo_unreserve [2022-11-20 11:52:28,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-20 11:52:28,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-20 11:52:28,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-20 11:52:28,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-20 11:52:28,082 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo [2022-11-20 11:52:28,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo [2022-11-20 11:52:28,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-20 11:52:28,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-20 11:52:28,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_base_of_ww_mutex [2022-11-20 11:52:28,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_base_of_ww_mutex [2022-11-20 11:52:28,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 11:52:28,083 INFO L130 BoogieDeclarations]: Found specification of procedure ast_moutdwm [2022-11-20 11:52:28,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_moutdwm [2022-11-20 11:52:28,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 11:52:28,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 11:52:28,084 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pm_suspend [2022-11-20 11:52:28,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pm_suspend [2022-11-20 11:52:28,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_108 [2022-11-20 11:52:28,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_108 [2022-11-20 11:52:28,085 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_ref [2022-11-20 11:52:28,085 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_ref [2022-11-20 11:52:28,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-20 11:52:28,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-20 11:52:28,085 INFO L130 BoogieDeclarations]: Found specification of procedure wait_nack [2022-11-20 11:52:28,086 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_nack [2022-11-20 11:52:28,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-20 11:52:28,086 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-20 11:52:28,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 11:52:28,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 11:52:28,086 INFO L130 BoogieDeclarations]: Found specification of procedure ast_drm_freeze [2022-11-20 11:52:28,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_drm_freeze [2022-11-20 11:52:28,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-20 11:52:28,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-20 11:52:28,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-20 11:52:28,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-20 11:52:28,087 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_dp501_video_output [2022-11-20 11:52:28,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_dp501_video_output [2022-11-20 11:52:28,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 11:52:28,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-20 11:52:28,088 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-11-20 11:52:28,088 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-11-20 11:52:28,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 11:52:28,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 11:52:28,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-20 11:52:28,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-20 11:52:28,089 INFO L130 BoogieDeclarations]: Found specification of procedure cbr_dll2 [2022-11-20 11:52:28,089 INFO L138 BoogieDeclarations]: Found implementation of procedure cbr_dll2 [2022-11-20 11:52:28,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2022-11-20 11:52:28,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2022-11-20 11:52:28,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:52:28,090 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_index_reg_mask [2022-11-20 11:52:28,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_index_reg_mask [2022-11-20 11:52:28,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_trylock_base_of_ww_mutex [2022-11-20 11:52:28,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_trylock_base_of_ww_mutex [2022-11-20 11:52:28,090 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_load_lut [2022-11-20 11:52:28,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_load_lut [2022-11-20 11:52:28,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-20 11:52:28,091 INFO L130 BoogieDeclarations]: Found specification of procedure ast_mindwm [2022-11-20 11:52:28,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_mindwm [2022-11-20 11:52:28,091 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_unref [2022-11-20 11:52:28,091 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_unref [2022-11-20 11:52:28,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 11:52:28,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-20 11:52:28,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-20 11:52:28,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-20 11:52:28,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-20 11:52:28,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-20 11:52:28,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-20 11:52:28,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-20 11:52:28,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-20 11:52:28,094 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-11-20 11:52:28,094 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-11-20 11:52:28,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-20 11:52:28,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-20 11:52:28,095 INFO L130 BoogieDeclarations]: Found specification of procedure get_fw_base [2022-11-20 11:52:28,095 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fw_base [2022-11-20 11:52:28,095 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 11:52:28,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 11:52:28,096 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-20 11:52:28,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-20 11:52:28,096 INFO L130 BoogieDeclarations]: Found specification of procedure ast_framebuffer_init [2022-11-20 11:52:28,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_framebuffer_init [2022-11-20 11:52:28,096 INFO L130 BoogieDeclarations]: Found specification of procedure ast_open_key [2022-11-20 11:52:28,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_open_key [2022-11-20 11:52:28,097 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_validate [2022-11-20 11:52:28,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_validate [2022-11-20 11:52:28,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-20 11:52:28,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-20 11:52:28,097 INFO L130 BoogieDeclarations]: Found specification of procedure ast_driver_unload [2022-11-20 11:52:28,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_driver_unload [2022-11-20 11:52:28,098 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_unreserve [2022-11-20 11:52:28,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_unreserve [2022-11-20 11:52:28,098 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-20 11:52:28,098 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-20 11:52:28,098 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-11-20 11:52:28,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 11:52:28,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 11:52:28,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 11:52:28,099 INFO L130 BoogieDeclarations]: Found specification of procedure send_nack [2022-11-20 11:52:28,099 INFO L138 BoogieDeclarations]: Found implementation of procedure send_nack [2022-11-20 11:52:28,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 11:52:28,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 11:52:28,099 INFO L130 BoogieDeclarations]: Found specification of procedure ast_enable_mmio [2022-11-20 11:52:28,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_enable_mmio [2022-11-20 11:52:28,100 INFO L130 BoogieDeclarations]: Found specification of procedure ast_get_index_reg_mask [2022-11-20 11:52:28,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_get_index_reg_mask [2022-11-20 11:52:28,100 INFO L130 BoogieDeclarations]: Found specification of procedure ast_gem_create [2022-11-20 11:52:28,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_gem_create [2022-11-20 11:52:28,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_struct_mutex_of_drm_device [2022-11-20 11:52:28,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_struct_mutex_of_drm_device [2022-11-20 11:52:28,101 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-20 11:52:28,101 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-20 11:52:28,101 INFO L130 BoogieDeclarations]: Found specification of procedure drm_fb_helper_set_par [2022-11-20 11:52:28,101 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_fb_helper_set_par [2022-11-20 11:52:28,101 INFO L130 BoogieDeclarations]: Found specification of procedure __ww_mutex_lock_interruptible [2022-11-20 11:52:28,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __ww_mutex_lock_interruptible [2022-11-20 11:52:28,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 11:52:28,102 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-20 11:52:28,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-20 11:52:28,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-20 11:52:28,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-20 11:52:28,103 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pm_resume [2022-11-20 11:52:28,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pm_resume [2022-11-20 11:52:28,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-20 11:52:28,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-20 11:52:28,103 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_init [2022-11-20 11:52:28,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-20 11:52:28,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-20 11:52:28,104 INFO L130 BoogieDeclarations]: Found specification of procedure ast_io_write8 [2022-11-20 11:52:28,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_io_write8 [2022-11-20 11:52:28,104 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_destroy [2022-11-20 11:52:28,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_destroy [2022-11-20 11:52:28,104 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_gpu_offset [2022-11-20 11:52:28,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_gpu_offset [2022-11-20 11:52:28,105 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_reset [2022-11-20 11:52:28,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_reset [2022-11-20 11:52:28,105 INFO L130 BoogieDeclarations]: Found specification of procedure ast_gem_free_object [2022-11-20 11:52:28,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_gem_free_object [2022-11-20 11:52:28,105 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_backend_destroy [2022-11-20 11:52:28,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_backend_destroy [2022-11-20 11:52:28,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-20 11:52:28,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-20 11:52:28,106 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pci_remove [2022-11-20 11:52:28,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pci_remove [2022-11-20 11:52:28,106 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_single2 [2022-11-20 11:52:28,106 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_single2 [2022-11-20 11:52:28,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-20 11:52:28,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-20 11:52:28,107 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 11:52:28,107 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 11:52:28,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-20 11:52:28,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-20 11:52:28,108 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_index_reg [2022-11-20 11:52:28,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_index_reg [2022-11-20 11:52:28,108 INFO L130 BoogieDeclarations]: Found specification of procedure cbrdlli_ast2150 [2022-11-20 11:52:28,108 INFO L138 BoogieDeclarations]: Found implementation of procedure cbrdlli_ast2150 [2022-11-20 11:52:28,108 INFO L130 BoogieDeclarations]: Found specification of procedure drm_framebuffer_cleanup [2022-11-20 11:52:28,108 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_framebuffer_cleanup [2022-11-20 11:52:28,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-20 11:52:28,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-20 11:52:28,109 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_commit [2022-11-20 11:52:28,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_commit [2022-11-20 11:52:28,109 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pm_freeze [2022-11-20 11:52:28,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pm_freeze [2022-11-20 11:52:28,110 INFO L130 BoogieDeclarations]: Found specification of procedure drm_crtc_helper_set_config [2022-11-20 11:52:28,110 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_crtc_helper_set_config [2022-11-20 11:52:28,110 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2022-11-20 11:52:28,110 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2022-11-20 11:52:28,110 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2022-11-20 11:52:28,110 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2022-11-20 11:52:28,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-20 11:52:28,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-20 11:52:28,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-20 11:52:28,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-20 11:52:28,111 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mode_connector_update_edid_property [2022-11-20 11:52:28,111 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mode_connector_update_edid_property [2022-11-20 11:52:28,111 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-20 11:52:28,112 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-20 11:52:28,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_struct_mutex_of_drm_device [2022-11-20 11:52:28,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_struct_mutex_of_drm_device [2022-11-20 11:52:28,112 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_tt_unpopulate [2022-11-20 11:52:28,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_tt_unpopulate [2022-11-20 11:52:28,112 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_lookup [2022-11-20 11:52:28,113 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_lookup [2022-11-20 11:52:28,113 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_destroy [2022-11-20 11:52:28,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_destroy [2022-11-20 11:52:28,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 11:52:30,175 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:52:30,184 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:52:30,513 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 11:52:52,553 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:52:52,579 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:52:52,579 INFO L300 CfgBuilder]: Removed 10 assume(true) statements. [2022-11-20 11:52:52,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:52:52 BoogieIcfgContainer [2022-11-20 11:52:52,587 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:52:52,590 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:52:52,590 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:52:52,594 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:52:52,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:52:15" (1/3) ... [2022-11-20 11:52:52,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e29d86d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:52:52, skipping insertion in model container [2022-11-20 11:52:52,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:52:26" (2/3) ... [2022-11-20 11:52:52,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e29d86d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:52:52, skipping insertion in model container [2022-11-20 11:52:52,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:52:52" (3/3) ... [2022-11-20 11:52:52,598 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i [2022-11-20 11:52:52,620 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:52:52,620 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-11-20 11:52:52,754 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:52:52,761 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=PETRI_NET, 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;@13e37761, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:52:52,761 INFO L358 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2022-11-20 11:52:52,780 INFO L276 IsEmpty]: Start isEmpty. Operand has 3831 states, 2630 states have (on average 1.3361216730038024) internal successors, (3514), 2762 states have internal predecessors, (3514), 1013 states have call successors, (1013), 156 states have call predecessors, (1013), 155 states have return successors, (999), 958 states have call predecessors, (999), 999 states have call successors, (999) [2022-11-20 11:52:52,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-20 11:52:52,792 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:52:52,793 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-20 11:52:52,794 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-20 11:52:52,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:52:52,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1073744179, now seen corresponding path program 1 times [2022-11-20 11:52:52,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:52:52,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482205620] [2022-11-20 11:52:52,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:52:52,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:52:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:52:54,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:52:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:52:54,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 11:52:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:52:54,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:52:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:52:54,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 11:52:54,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:52:54,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:52:54,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:52:54,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-20 11:52:54,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:52:55,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-20 11:52:55,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:52:55,053 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 11:52:55,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:52:55,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482205620] [2022-11-20 11:52:55,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482205620] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:52:55,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:52:55,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 11:52:55,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839526036] [2022-11-20 11:52:55,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:52:55,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:52:55,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:52:55,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:52:55,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:52:55,132 INFO L87 Difference]: Start difference. First operand has 3831 states, 2630 states have (on average 1.3361216730038024) internal successors, (3514), 2762 states have internal predecessors, (3514), 1013 states have call successors, (1013), 156 states have call predecessors, (1013), 155 states have return successors, (999), 958 states have call predecessors, (999), 999 states have call successors, (999) Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-20 11:53:10,715 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 [] [2022-11-20 11:53:28,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:53:28,454 INFO L93 Difference]: Finished difference Result 7586 states and 11090 transitions. [2022-11-20 11:53:28,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 11:53:28,459 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 51 [2022-11-20 11:53:28,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:53:28,534 INFO L225 Difference]: With dead ends: 7586 [2022-11-20 11:53:28,534 INFO L226 Difference]: Without dead ends: 3769 [2022-11-20 11:53:28,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-20 11:53:28,573 INFO L413 NwaCegarLoop]: 2342 mSDtfsCounter, 7678 mSDsluCounter, 4881 mSDsCounter, 0 mSdLazyCounter, 7431 mSolverCounterSat, 4326 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8095 SdHoareTripleChecker+Valid, 7223 SdHoareTripleChecker+Invalid, 11757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4326 IncrementalHoareTripleChecker+Valid, 7431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:53:28,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8095 Valid, 7223 Invalid, 11757 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4326 Valid, 7431 Invalid, 0 Unknown, 0 Unchecked, 32.1s Time] [2022-11-20 11:53:28,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3769 states. [2022-11-20 11:53:29,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3769 to 3769. [2022-11-20 11:53:29,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3769 states, 2585 states have (on average 1.3106382978723403) internal successors, (3388), 2704 states have internal predecessors, (3388), 999 states have call successors, (999), 155 states have call predecessors, (999), 154 states have return successors, (997), 956 states have call predecessors, (997), 997 states have call successors, (997) [2022-11-20 11:53:29,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3769 states to 3769 states and 5384 transitions. [2022-11-20 11:53:29,229 INFO L78 Accepts]: Start accepts. Automaton has 3769 states and 5384 transitions. Word has length 51 [2022-11-20 11:53:29,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:53:29,231 INFO L495 AbstractCegarLoop]: Abstraction has 3769 states and 5384 transitions. [2022-11-20 11:53:29,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-20 11:53:29,232 INFO L276 IsEmpty]: Start isEmpty. Operand 3769 states and 5384 transitions. [2022-11-20 11:53:29,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-20 11:53:29,234 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:53:29,234 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-20 11:53:29,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 11:53:29,235 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-20 11:53:29,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:53:29,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1570528693, now seen corresponding path program 1 times [2022-11-20 11:53:29,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:53:29,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681431987] [2022-11-20 11:53:29,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:53:29,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:53:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:53:30,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:53:30,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:53:30,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 11:53:30,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:53:30,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:53:30,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:53:30,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 11:53:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:53:30,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:53:30,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:53:30,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-20 11:53:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:53:30,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-20 11:53:30,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:53:30,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-20 11:53:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:53:30,547 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 11:53:30,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:53:30,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681431987] [2022-11-20 11:53:30,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681431987] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:53:30,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:53:30,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 11:53:30,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022075781] [2022-11-20 11:53:30,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:53:30,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:53:30,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:53:30,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:53:30,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:53:30,552 INFO L87 Difference]: Start difference. First operand 3769 states and 5384 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-20 11:53:44,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:53:50,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:53:58,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:53:59,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:54:05,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:54:05,602 INFO L93 Difference]: Finished difference Result 3769 states and 5384 transitions. [2022-11-20 11:54:05,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 11:54:05,603 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 57 [2022-11-20 11:54:05,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:54:05,637 INFO L225 Difference]: With dead ends: 3769 [2022-11-20 11:54:05,638 INFO L226 Difference]: Without dead ends: 3767 [2022-11-20 11:54:05,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-20 11:54:05,643 INFO L413 NwaCegarLoop]: 2312 mSDtfsCounter, 7626 mSDsluCounter, 4825 mSDsCounter, 0 mSdLazyCounter, 7408 mSolverCounterSat, 4298 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8040 SdHoareTripleChecker+Valid, 7137 SdHoareTripleChecker+Invalid, 11707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7408 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.2s IncrementalHoareTripleChecker+Time [2022-11-20 11:54:05,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8040 Valid, 7137 Invalid, 11707 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7408 Invalid, 1 Unknown, 0 Unchecked, 34.2s Time] [2022-11-20 11:54:05,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3767 states. [2022-11-20 11:54:05,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3767 to 3767. [2022-11-20 11:54:05,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3767 states, 2584 states have (on average 1.3103715170278638) internal successors, (3386), 2702 states have internal predecessors, (3386), 999 states have call successors, (999), 155 states have call predecessors, (999), 154 states have return successors, (997), 956 states have call predecessors, (997), 997 states have call successors, (997) [2022-11-20 11:54:05,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3767 states to 3767 states and 5382 transitions. [2022-11-20 11:54:05,988 INFO L78 Accepts]: Start accepts. Automaton has 3767 states and 5382 transitions. Word has length 57 [2022-11-20 11:54:05,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:54:05,989 INFO L495 AbstractCegarLoop]: Abstraction has 3767 states and 5382 transitions. [2022-11-20 11:54:05,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-20 11:54:05,989 INFO L276 IsEmpty]: Start isEmpty. Operand 3767 states and 5382 transitions. [2022-11-20 11:54:05,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-20 11:54:05,998 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:54:05,998 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-20 11:54:05,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 11:54:05,999 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-20 11:54:05,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:54:06,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1357294833, now seen corresponding path program 1 times [2022-11-20 11:54:06,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:54:06,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829684447] [2022-11-20 11:54:06,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:54:06,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:54:06,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:54:07,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:54:07,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:54:07,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 11:54:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:54:07,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:54:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:54:07,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 11:54:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:54:07,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:54:07,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:54:07,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-20 11:54:07,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:54:07,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-20 11:54:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:54:07,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-20 11:54:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:54:07,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-20 11:54:07,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:54:07,223 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 11:54:07,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:54:07,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829684447] [2022-11-20 11:54:07,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829684447] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:54:07,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:54:07,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 11:54:07,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140422544] [2022-11-20 11:54:07,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:54:07,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:54:07,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:54:07,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:54:07,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:54:07,228 INFO L87 Difference]: Start difference. First operand 3767 states and 5382 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-20 11:54:21,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:54:28,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:54:37,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:54:37,281 INFO L93 Difference]: Finished difference Result 3767 states and 5382 transitions. [2022-11-20 11:54:37,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 11:54:37,282 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (10), 4 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 63 [2022-11-20 11:54:37,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:54:37,309 INFO L225 Difference]: With dead ends: 3767 [2022-11-20 11:54:37,309 INFO L226 Difference]: Without dead ends: 3765 [2022-11-20 11:54:37,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-20 11:54:37,314 INFO L413 NwaCegarLoop]: 2312 mSDtfsCounter, 7620 mSDsluCounter, 4825 mSDsCounter, 0 mSdLazyCounter, 7405 mSolverCounterSat, 4298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8033 SdHoareTripleChecker+Valid, 7137 SdHoareTripleChecker+Invalid, 11703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.4s IncrementalHoareTripleChecker+Time [2022-11-20 11:54:37,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8033 Valid, 7137 Invalid, 11703 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7405 Invalid, 0 Unknown, 0 Unchecked, 29.4s Time] [2022-11-20 11:54:37,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3765 states. [2022-11-20 11:54:37,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3765 to 3765. [2022-11-20 11:54:37,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3765 states, 2583 states have (on average 1.3101045296167246) internal successors, (3384), 2700 states have internal predecessors, (3384), 999 states have call successors, (999), 155 states have call predecessors, (999), 154 states have return successors, (997), 956 states have call predecessors, (997), 997 states have call successors, (997) [2022-11-20 11:54:37,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3765 states to 3765 states and 5380 transitions. [2022-11-20 11:54:37,661 INFO L78 Accepts]: Start accepts. Automaton has 3765 states and 5380 transitions. Word has length 63 [2022-11-20 11:54:37,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:54:37,662 INFO L495 AbstractCegarLoop]: Abstraction has 3765 states and 5380 transitions. [2022-11-20 11:54:37,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-20 11:54:37,662 INFO L276 IsEmpty]: Start isEmpty. Operand 3765 states and 5380 transitions. [2022-11-20 11:54:37,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-20 11:54:37,664 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:54:37,664 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-20 11:54:37,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 11:54:37,665 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-20 11:54:37,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:54:37,665 INFO L85 PathProgramCache]: Analyzing trace with hash -48329505, now seen corresponding path program 1 times [2022-11-20 11:54:37,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:54:37,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563168402] [2022-11-20 11:54:37,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:54:37,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:54:37,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:54:38,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:54:38,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:54:38,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 11:54:38,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:54:38,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:54:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:54:38,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 11:54:38,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:54:38,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:54:38,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:54:38,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-20 11:54:38,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:54:38,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-20 11:54:38,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:54:38,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-20 11:54:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:54:38,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-20 11:54:38,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:54:38,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-20 11:54:38,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:54:38,853 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 11:54:38,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:54:38,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563168402] [2022-11-20 11:54:38,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563168402] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:54:38,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:54:38,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 11:54:38,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210204543] [2022-11-20 11:54:38,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:54:38,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:54:38,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:54:38,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:54:38,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:54:38,857 INFO L87 Difference]: Start difference. First operand 3765 states and 5380 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-20 11:55:04,250 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 [] [2022-11-20 11:55:10,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:55:10,358 INFO L93 Difference]: Finished difference Result 3765 states and 5380 transitions. [2022-11-20 11:55:10,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 11:55:10,359 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 4 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 69 [2022-11-20 11:55:10,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:55:10,385 INFO L225 Difference]: With dead ends: 3765 [2022-11-20 11:55:10,386 INFO L226 Difference]: Without dead ends: 3763 [2022-11-20 11:55:10,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-20 11:55:10,390 INFO L413 NwaCegarLoop]: 2312 mSDtfsCounter, 7614 mSDsluCounter, 4825 mSDsCounter, 0 mSdLazyCounter, 7401 mSolverCounterSat, 4298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8026 SdHoareTripleChecker+Valid, 7137 SdHoareTripleChecker+Invalid, 11699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.9s IncrementalHoareTripleChecker+Time [2022-11-20 11:55:10,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8026 Valid, 7137 Invalid, 11699 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7401 Invalid, 0 Unknown, 0 Unchecked, 30.9s Time] [2022-11-20 11:55:10,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3763 states. [2022-11-20 11:55:10,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3763 to 3763. [2022-11-20 11:55:10,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3763 states, 2582 states have (on average 1.3098373353989157) internal successors, (3382), 2698 states have internal predecessors, (3382), 999 states have call successors, (999), 155 states have call predecessors, (999), 154 states have return successors, (997), 956 states have call predecessors, (997), 997 states have call successors, (997) [2022-11-20 11:55:10,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3763 states to 3763 states and 5378 transitions. [2022-11-20 11:55:10,830 INFO L78 Accepts]: Start accepts. Automaton has 3763 states and 5378 transitions. Word has length 69 [2022-11-20 11:55:10,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:55:10,833 INFO L495 AbstractCegarLoop]: Abstraction has 3763 states and 5378 transitions. [2022-11-20 11:55:10,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-20 11:55:10,835 INFO L276 IsEmpty]: Start isEmpty. Operand 3763 states and 5378 transitions. [2022-11-20 11:55:10,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-20 11:55:10,844 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:55:10,844 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-20 11:55:10,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 11:55:10,845 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-20 11:55:10,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:55:10,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1092432812, now seen corresponding path program 1 times [2022-11-20 11:55:10,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:55:10,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933388333] [2022-11-20 11:55:10,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:55:10,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:55:11,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:55:11,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:55:11,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:55:11,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 11:55:11,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:55:11,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:55:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:55:11,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 11:55:11,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:55:11,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:55:11,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:55:11,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-20 11:55:11,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:55:11,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-20 11:55:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:55:11,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-20 11:55:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:55:11,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-20 11:55:11,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:55:11,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-20 11:55:11,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:55:11,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-20 11:55:11,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:55:11,953 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 11:55:11,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:55:11,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933388333] [2022-11-20 11:55:11,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933388333] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:55:11,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:55:11,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 11:55:11,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969968688] [2022-11-20 11:55:11,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:55:11,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:55:11,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:55:11,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:55:11,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:55:11,958 INFO L87 Difference]: Start difference. First operand 3763 states and 5378 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-20 11:55:26,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:55:36,781 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 [] [2022-11-20 11:55:44,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:55:44,528 INFO L93 Difference]: Finished difference Result 3763 states and 5378 transitions. [2022-11-20 11:55:44,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 11:55:44,529 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (12), 4 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 75 [2022-11-20 11:55:44,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:55:44,552 INFO L225 Difference]: With dead ends: 3763 [2022-11-20 11:55:44,552 INFO L226 Difference]: Without dead ends: 3761 [2022-11-20 11:55:44,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-20 11:55:44,557 INFO L413 NwaCegarLoop]: 2312 mSDtfsCounter, 7608 mSDsluCounter, 4825 mSDsCounter, 0 mSdLazyCounter, 7397 mSolverCounterSat, 4298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8019 SdHoareTripleChecker+Valid, 7137 SdHoareTripleChecker+Invalid, 11695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.9s IncrementalHoareTripleChecker+Time [2022-11-20 11:55:44,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8019 Valid, 7137 Invalid, 11695 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7397 Invalid, 0 Unknown, 0 Unchecked, 31.9s Time] [2022-11-20 11:55:44,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3761 states. [2022-11-20 11:55:44,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3761 to 3761. [2022-11-20 11:55:44,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3761 states, 2581 states have (on average 1.3095699341340565) internal successors, (3380), 2696 states have internal predecessors, (3380), 999 states have call successors, (999), 155 states have call predecessors, (999), 154 states have return successors, (997), 956 states have call predecessors, (997), 997 states have call successors, (997) [2022-11-20 11:55:44,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3761 states to 3761 states and 5376 transitions. [2022-11-20 11:55:44,977 INFO L78 Accepts]: Start accepts. Automaton has 3761 states and 5376 transitions. Word has length 75 [2022-11-20 11:55:44,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:55:44,978 INFO L495 AbstractCegarLoop]: Abstraction has 3761 states and 5376 transitions. [2022-11-20 11:55:44,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-20 11:55:44,979 INFO L276 IsEmpty]: Start isEmpty. Operand 3761 states and 5376 transitions. [2022-11-20 11:55:44,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-20 11:55:44,980 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:55:44,980 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-20 11:55:44,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 11:55:44,982 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-20 11:55:44,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:55:44,983 INFO L85 PathProgramCache]: Analyzing trace with hash -769075987, now seen corresponding path program 1 times [2022-11-20 11:55:44,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:55:44,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909950739] [2022-11-20 11:55:44,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:55:44,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:55:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:55:45,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:55:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:55:45,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 11:55:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:55:45,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:55:45,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:55:45,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 11:55:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:55:45,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:55:45,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:55:45,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-20 11:55:45,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:55:45,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-20 11:55:45,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:55:45,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-20 11:55:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:55:45,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-20 11:55:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:55:46,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-20 11:55:46,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:55:46,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-20 11:55:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:55:46,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-20 11:55:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:55:46,069 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 11:55:46,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:55:46,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909950739] [2022-11-20 11:55:46,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909950739] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:55:46,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:55:46,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 11:55:46,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702537795] [2022-11-20 11:55:46,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:55:46,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:55:46,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:55:46,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:55:46,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:55:46,073 INFO L87 Difference]: Start difference. First operand 3761 states and 5376 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-20 11:56:01,284 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 [] [2022-11-20 11:56:08,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:56:17,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:56:17,135 INFO L93 Difference]: Finished difference Result 3761 states and 5376 transitions. [2022-11-20 11:56:17,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 11:56:17,136 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (13), 4 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 81 [2022-11-20 11:56:17,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:56:17,155 INFO L225 Difference]: With dead ends: 3761 [2022-11-20 11:56:17,155 INFO L226 Difference]: Without dead ends: 3759 [2022-11-20 11:56:17,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-20 11:56:17,158 INFO L413 NwaCegarLoop]: 2312 mSDtfsCounter, 7602 mSDsluCounter, 4825 mSDsCounter, 0 mSdLazyCounter, 7393 mSolverCounterSat, 4298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8012 SdHoareTripleChecker+Valid, 7137 SdHoareTripleChecker+Invalid, 11691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.3s IncrementalHoareTripleChecker+Time [2022-11-20 11:56:17,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8012 Valid, 7137 Invalid, 11691 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7393 Invalid, 0 Unknown, 0 Unchecked, 30.3s Time] [2022-11-20 11:56:17,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3759 states. [2022-11-20 11:56:17,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3759 to 3759. [2022-11-20 11:56:17,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3759 states, 2580 states have (on average 1.3093023255813954) internal successors, (3378), 2694 states have internal predecessors, (3378), 999 states have call successors, (999), 155 states have call predecessors, (999), 154 states have return successors, (997), 956 states have call predecessors, (997), 997 states have call successors, (997) [2022-11-20 11:56:17,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3759 states to 3759 states and 5374 transitions. [2022-11-20 11:56:17,548 INFO L78 Accepts]: Start accepts. Automaton has 3759 states and 5374 transitions. Word has length 81 [2022-11-20 11:56:17,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:56:17,550 INFO L495 AbstractCegarLoop]: Abstraction has 3759 states and 5374 transitions. [2022-11-20 11:56:17,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-20 11:56:17,551 INFO L276 IsEmpty]: Start isEmpty. Operand 3759 states and 5374 transitions. [2022-11-20 11:56:17,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-20 11:56:17,559 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:56:17,559 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-20 11:56:17,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 11:56:17,560 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-20 11:56:17,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:56:17,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1349880356, now seen corresponding path program 1 times [2022-11-20 11:56:17,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:56:17,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734705028] [2022-11-20 11:56:17,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:56:17,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:56:17,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:56:18,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:56:18,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:56:18,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 11:56:18,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:56:18,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:56:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:56:18,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 11:56:18,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:56:18,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:56:18,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:56:18,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-20 11:56:18,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:56:18,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-20 11:56:18,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:56:18,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-20 11:56:18,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:56:18,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-20 11:56:18,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:56:18,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-20 11:56:18,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:56:18,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-20 11:56:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:56:18,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-20 11:56:18,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:56:18,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 11:56:18,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:56:18,682 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 11:56:18,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:56:18,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734705028] [2022-11-20 11:56:18,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734705028] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:56:18,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:56:18,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 11:56:18,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860193898] [2022-11-20 11:56:18,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:56:18,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:56:18,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:56:18,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:56:18,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:56:18,686 INFO L87 Difference]: Start difference. First operand 3759 states and 5374 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-20 11:56:29,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:56:35,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:56:36,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:56:40,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:56:53,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:56:53,738 INFO L93 Difference]: Finished difference Result 3759 states and 5374 transitions. [2022-11-20 11:56:53,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 11:56:53,739 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (14), 4 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 87 [2022-11-20 11:56:53,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:56:53,762 INFO L225 Difference]: With dead ends: 3759 [2022-11-20 11:56:53,762 INFO L226 Difference]: Without dead ends: 3757 [2022-11-20 11:56:53,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-20 11:56:53,766 INFO L413 NwaCegarLoop]: 2312 mSDtfsCounter, 7596 mSDsluCounter, 4825 mSDsCounter, 0 mSdLazyCounter, 7389 mSolverCounterSat, 4298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8005 SdHoareTripleChecker+Valid, 7137 SdHoareTripleChecker+Invalid, 11687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.3s IncrementalHoareTripleChecker+Time [2022-11-20 11:56:53,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8005 Valid, 7137 Invalid, 11687 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7389 Invalid, 0 Unknown, 0 Unchecked, 34.3s Time] [2022-11-20 11:56:53,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3757 states. [2022-11-20 11:56:54,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3757 to 3757. [2022-11-20 11:56:54,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3757 states, 2579 states have (on average 1.3090345094998062) internal successors, (3376), 2692 states have internal predecessors, (3376), 999 states have call successors, (999), 155 states have call predecessors, (999), 154 states have return successors, (997), 956 states have call predecessors, (997), 997 states have call successors, (997) [2022-11-20 11:56:54,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3757 states to 3757 states and 5372 transitions. [2022-11-20 11:56:54,232 INFO L78 Accepts]: Start accepts. Automaton has 3757 states and 5372 transitions. Word has length 87 [2022-11-20 11:56:54,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:56:54,233 INFO L495 AbstractCegarLoop]: Abstraction has 3757 states and 5372 transitions. [2022-11-20 11:56:54,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-20 11:56:54,233 INFO L276 IsEmpty]: Start isEmpty. Operand 3757 states and 5372 transitions. [2022-11-20 11:56:54,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-20 11:56:54,235 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:56:54,235 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-20 11:56:54,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 11:56:54,236 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-20 11:56:54,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:56:54,237 INFO L85 PathProgramCache]: Analyzing trace with hash 272266623, now seen corresponding path program 1 times [2022-11-20 11:56:54,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:56:54,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780814445] [2022-11-20 11:56:54,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:56:54,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:56:54,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:56:55,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:56:55,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:56:55,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 11:56:55,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:56:55,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:56:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:56:55,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 11:56:55,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:56:55,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:56:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:56:55,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-20 11:56:55,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:56:55,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-20 11:56:55,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:56:55,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-20 11:56:55,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:56:55,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-20 11:56:55,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:56:55,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-20 11:56:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:56:55,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-20 11:56:55,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:56:55,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-20 11:56:55,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:56:55,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 11:56:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:56:55,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-20 11:56:55,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:56:55,407 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 11:56:55,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:56:55,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780814445] [2022-11-20 11:56:55,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780814445] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:56:55,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:56:55,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 11:56:55,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11826588] [2022-11-20 11:56:55,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:56:55,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:56:55,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:56:55,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:56:55,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:56:55,411 INFO L87 Difference]: Start difference. First operand 3757 states and 5372 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-20 11:57:14,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:57:26,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:57:26,063 INFO L93 Difference]: Finished difference Result 3757 states and 5372 transitions. [2022-11-20 11:57:26,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 11:57:26,063 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (15), 4 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 93 [2022-11-20 11:57:26,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:57:26,083 INFO L225 Difference]: With dead ends: 3757 [2022-11-20 11:57:26,084 INFO L226 Difference]: Without dead ends: 3755 [2022-11-20 11:57:26,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-20 11:57:26,086 INFO L413 NwaCegarLoop]: 2312 mSDtfsCounter, 7594 mSDsluCounter, 4825 mSDsCounter, 0 mSdLazyCounter, 7381 mSolverCounterSat, 4298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8002 SdHoareTripleChecker+Valid, 7137 SdHoareTripleChecker+Invalid, 11679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.9s IncrementalHoareTripleChecker+Time [2022-11-20 11:57:26,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8002 Valid, 7137 Invalid, 11679 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7381 Invalid, 0 Unknown, 0 Unchecked, 29.9s Time] [2022-11-20 11:57:26,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3755 states. [2022-11-20 11:57:26,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3755 to 3755. [2022-11-20 11:57:26,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3755 states, 2578 states have (on average 1.308766485647789) internal successors, (3374), 2690 states have internal predecessors, (3374), 999 states have call successors, (999), 155 states have call predecessors, (999), 154 states have return successors, (997), 956 states have call predecessors, (997), 997 states have call successors, (997) [2022-11-20 11:57:26,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3755 states to 3755 states and 5370 transitions. [2022-11-20 11:57:26,511 INFO L78 Accepts]: Start accepts. Automaton has 3755 states and 5370 transitions. Word has length 93 [2022-11-20 11:57:26,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:57:26,512 INFO L495 AbstractCegarLoop]: Abstraction has 3755 states and 5370 transitions. [2022-11-20 11:57:26,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-20 11:57:26,513 INFO L276 IsEmpty]: Start isEmpty. Operand 3755 states and 5370 transitions. [2022-11-20 11:57:26,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-20 11:57:26,514 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:57:26,515 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-20 11:57:26,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 11:57:26,515 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-20 11:57:26,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:57:26,516 INFO L85 PathProgramCache]: Analyzing trace with hash -344638718, now seen corresponding path program 1 times [2022-11-20 11:57:26,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:57:26,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659540214] [2022-11-20 11:57:26,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:57:26,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:57:26,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:57:27,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:57:27,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:57:27,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 11:57:27,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:57:27,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:57:27,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:57:27,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 11:57:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:57:27,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:57:27,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:57:27,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-20 11:57:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:57:27,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-20 11:57:27,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:57:27,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-20 11:57:27,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:57:27,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-20 11:57:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:57:27,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-20 11:57:27,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:57:27,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-20 11:57:27,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:57:27,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-20 11:57:27,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:57:27,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 11:57:27,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:57:27,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-20 11:57:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:57:27,531 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 11:57:27,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:57:27,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659540214] [2022-11-20 11:57:27,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659540214] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:57:27,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:57:27,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 11:57:27,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690020011] [2022-11-20 11:57:27,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:57:27,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:57:27,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:57:27,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:57:27,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:57:27,535 INFO L87 Difference]: Start difference. First operand 3755 states and 5370 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-20 11:57:42,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:57:43,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:57:50,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:57:51,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:57:54,494 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 [] [2022-11-20 11:58:02,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:58:02,613 INFO L93 Difference]: Finished difference Result 4310 states and 6229 transitions. [2022-11-20 11:58:02,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 11:58:02,624 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (15), 4 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 95 [2022-11-20 11:58:02,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:58:02,646 INFO L225 Difference]: With dead ends: 4310 [2022-11-20 11:58:02,647 INFO L226 Difference]: Without dead ends: 4308 [2022-11-20 11:58:02,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-20 11:58:02,654 INFO L413 NwaCegarLoop]: 2312 mSDtfsCounter, 8539 mSDsluCounter, 4826 mSDsCounter, 0 mSdLazyCounter, 8695 mSolverCounterSat, 4955 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8948 SdHoareTripleChecker+Valid, 7138 SdHoareTripleChecker+Invalid, 13651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4955 IncrementalHoareTripleChecker+Valid, 8695 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:58:02,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8948 Valid, 7138 Invalid, 13651 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4955 Valid, 8695 Invalid, 1 Unknown, 0 Unchecked, 34.1s Time] [2022-11-20 11:58:02,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4308 states. [2022-11-20 11:58:03,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4308 to 4299. [2022-11-20 11:58:03,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4299 states, 2929 states have (on average 1.3181973369750768) internal successors, (3861), 3052 states have internal predecessors, (3861), 1179 states have call successors, (1179), 169 states have call predecessors, (1179), 168 states have return successors, (1177), 1130 states have call predecessors, (1177), 1177 states have call successors, (1177) [2022-11-20 11:58:03,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4299 states to 4299 states and 6217 transitions. [2022-11-20 11:58:03,329 INFO L78 Accepts]: Start accepts. Automaton has 4299 states and 6217 transitions. Word has length 95 [2022-11-20 11:58:03,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:58:03,330 INFO L495 AbstractCegarLoop]: Abstraction has 4299 states and 6217 transitions. [2022-11-20 11:58:03,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-20 11:58:03,330 INFO L276 IsEmpty]: Start isEmpty. Operand 4299 states and 6217 transitions. [2022-11-20 11:58:03,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-20 11:58:03,332 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:58:03,332 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-20 11:58:03,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 11:58:03,333 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-20 11:58:03,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:03,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1185555241, now seen corresponding path program 1 times [2022-11-20 11:58:03,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:03,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193000262] [2022-11-20 11:58:03,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:03,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:03,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:04,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:58:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:04,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 11:58:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:04,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:58:04,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:04,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 11:58:04,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:04,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:58:04,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:04,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-20 11:58:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:04,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-20 11:58:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:04,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-20 11:58:04,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:04,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-20 11:58:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:04,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-20 11:58:04,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:04,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-20 11:58:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:04,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-20 11:58:04,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:04,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 11:58:04,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:04,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-20 11:58:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:04,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-20 11:58:04,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:04,450 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 11:58:04,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:58:04,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193000262] [2022-11-20 11:58:04,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193000262] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:58:04,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:58:04,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 11:58:04,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040533752] [2022-11-20 11:58:04,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:58:04,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:58:04,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:58:04,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:58:04,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:58:04,454 INFO L87 Difference]: Start difference. First operand 4299 states and 6217 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-20 11:58:14,986 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 [] [2022-11-20 11:58:17,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:58:28,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:58:33,617 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 [] [2022-11-20 11:58:38,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:58:38,686 INFO L93 Difference]: Finished difference Result 4299 states and 6217 transitions. [2022-11-20 11:58:38,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 11:58:38,687 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (16), 4 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 101 [2022-11-20 11:58:38,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:58:38,709 INFO L225 Difference]: With dead ends: 4299 [2022-11-20 11:58:38,710 INFO L226 Difference]: Without dead ends: 4297 [2022-11-20 11:58:38,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-20 11:58:38,714 INFO L413 NwaCegarLoop]: 2312 mSDtfsCounter, 7578 mSDsluCounter, 4825 mSDsCounter, 0 mSdLazyCounter, 7377 mSolverCounterSat, 4298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7985 SdHoareTripleChecker+Valid, 7137 SdHoareTripleChecker+Invalid, 11675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.4s IncrementalHoareTripleChecker+Time [2022-11-20 11:58:38,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7985 Valid, 7137 Invalid, 11675 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7377 Invalid, 0 Unknown, 0 Unchecked, 33.4s Time] [2022-11-20 11:58:38,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4297 states. [2022-11-20 11:58:39,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4297 to 4297. [2022-11-20 11:58:39,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4297 states, 2928 states have (on average 1.317964480874317) internal successors, (3859), 3050 states have internal predecessors, (3859), 1179 states have call successors, (1179), 169 states have call predecessors, (1179), 168 states have return successors, (1177), 1130 states have call predecessors, (1177), 1177 states have call successors, (1177) [2022-11-20 11:58:39,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4297 states to 4297 states and 6215 transitions. [2022-11-20 11:58:39,372 INFO L78 Accepts]: Start accepts. Automaton has 4297 states and 6215 transitions. Word has length 101 [2022-11-20 11:58:39,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:58:39,372 INFO L495 AbstractCegarLoop]: Abstraction has 4297 states and 6215 transitions. [2022-11-20 11:58:39,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-20 11:58:39,373 INFO L276 IsEmpty]: Start isEmpty. Operand 4297 states and 6215 transitions. [2022-11-20 11:58:39,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-20 11:58:39,377 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:58:39,377 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:58:39,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 11:58:39,378 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_net_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-20 11:58:39,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:58:39,379 INFO L85 PathProgramCache]: Analyzing trace with hash -873746420, now seen corresponding path program 1 times [2022-11-20 11:58:39,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:58:39,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351299270] [2022-11-20 11:58:39,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:58:39,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:58:39,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:40,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:58:40,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:40,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 11:58:40,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:40,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:58:40,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:40,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 11:58:40,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:40,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:58:40,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:40,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-20 11:58:40,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:40,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-20 11:58:40,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:40,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-20 11:58:40,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:40,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 11:58:40,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:40,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:58:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:40,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 11:58:40,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:40,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 11:58:40,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:40,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-20 11:58:40,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:40,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-20 11:58:40,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:40,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:58:40,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:40,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 11:58:40,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:40,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 11:58:40,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:40,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-20 11:58:40,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:40,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-20 11:58:40,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:40,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-20 11:58:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:58:40,549 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-11-20 11:58:40,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:58:40,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351299270] [2022-11-20 11:58:40,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351299270] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:58:40,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:58:40,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 11:58:40,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434251495] [2022-11-20 11:58:40,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:58:40,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:58:40,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:58:40,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:58:40,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:58:40,553 INFO L87 Difference]: Start difference. First operand 4297 states and 6215 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-20 11:58:56,337 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 [] [2022-11-20 11:59:03,759 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 [] [2022-11-20 11:59:13,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:59:13,039 INFO L93 Difference]: Finished difference Result 8607 states and 12476 transitions. [2022-11-20 11:59:13,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:59:13,039 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 119 [2022-11-20 11:59:13,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:59:13,061 INFO L225 Difference]: With dead ends: 8607 [2022-11-20 11:59:13,061 INFO L226 Difference]: Without dead ends: 4359 [2022-11-20 11:59:13,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-20 11:59:13,084 INFO L413 NwaCegarLoop]: 1891 mSDtfsCounter, 8658 mSDsluCounter, 4359 mSDsCounter, 0 mSdLazyCounter, 6192 mSolverCounterSat, 5640 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9112 SdHoareTripleChecker+Valid, 6250 SdHoareTripleChecker+Invalid, 11832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5640 IncrementalHoareTripleChecker+Valid, 6192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.5s IncrementalHoareTripleChecker+Time [2022-11-20 11:59:13,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9112 Valid, 6250 Invalid, 11832 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5640 Valid, 6192 Invalid, 0 Unknown, 0 Unchecked, 31.5s Time] [2022-11-20 11:59:13,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4359 states. [2022-11-20 11:59:13,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4359 to 4293. [2022-11-20 11:59:13,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4293 states, 2925 states have (on average 1.3176068376068375) internal successors, (3854), 3046 states have internal predecessors, (3854), 1179 states have call successors, (1179), 169 states have call predecessors, (1179), 168 states have return successors, (1177), 1130 states have call predecessors, (1177), 1177 states have call successors, (1177) [2022-11-20 11:59:13,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4293 states to 4293 states and 6210 transitions. [2022-11-20 11:59:13,706 INFO L78 Accepts]: Start accepts. Automaton has 4293 states and 6210 transitions. Word has length 119 [2022-11-20 11:59:13,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:59:13,707 INFO L495 AbstractCegarLoop]: Abstraction has 4293 states and 6210 transitions. [2022-11-20 11:59:13,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-20 11:59:13,707 INFO L276 IsEmpty]: Start isEmpty. Operand 4293 states and 6210 transitions. [2022-11-20 11:59:13,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-20 11:59:13,709 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:59:13,710 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-20 11:59:13,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 11:59:13,710 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-20 11:59:13,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:59:13,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1100325060, now seen corresponding path program 1 times [2022-11-20 11:59:13,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:59:13,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007356831] [2022-11-20 11:59:13,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:59:13,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:59:13,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:14,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:59:14,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:14,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 11:59:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:14,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:59:14,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:14,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 11:59:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:14,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:59:14,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:14,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-20 11:59:14,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:14,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-20 11:59:14,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:14,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-20 11:59:14,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:14,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-20 11:59:14,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:14,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-20 11:59:14,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:14,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-20 11:59:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:14,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-20 11:59:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:14,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 11:59:14,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:14,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-20 11:59:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:14,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-20 11:59:14,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:14,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-20 11:59:14,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:14,667 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 11:59:14,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:59:14,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007356831] [2022-11-20 11:59:14,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007356831] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:59:14,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:59:14,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 11:59:14,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156798178] [2022-11-20 11:59:14,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:59:14,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:59:14,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:59:14,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:59:14,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:59:14,669 INFO L87 Difference]: Start difference. First operand 4293 states and 6210 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-20 11:59:23,172 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 [] [2022-11-20 11:59:46,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:59:46,267 INFO L93 Difference]: Finished difference Result 4293 states and 6210 transitions. [2022-11-20 11:59:46,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 11:59:46,267 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (17), 4 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 107 [2022-11-20 11:59:46,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:59:46,286 INFO L225 Difference]: With dead ends: 4293 [2022-11-20 11:59:46,286 INFO L226 Difference]: Without dead ends: 4291 [2022-11-20 11:59:46,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-20 11:59:46,290 INFO L413 NwaCegarLoop]: 2312 mSDtfsCounter, 7557 mSDsluCounter, 4825 mSDsCounter, 0 mSdLazyCounter, 7363 mSolverCounterSat, 4298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7963 SdHoareTripleChecker+Valid, 7137 SdHoareTripleChecker+Invalid, 11661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.7s IncrementalHoareTripleChecker+Time [2022-11-20 11:59:46,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7963 Valid, 7137 Invalid, 11661 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7363 Invalid, 0 Unknown, 0 Unchecked, 30.7s Time] [2022-11-20 11:59:46,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4291 states. [2022-11-20 11:59:46,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4291 to 4291. [2022-11-20 11:59:46,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4291 states, 2924 states have (on average 1.317373461012312) internal successors, (3852), 3044 states have internal predecessors, (3852), 1179 states have call successors, (1179), 169 states have call predecessors, (1179), 168 states have return successors, (1177), 1130 states have call predecessors, (1177), 1177 states have call successors, (1177) [2022-11-20 11:59:46,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4291 states to 4291 states and 6208 transitions. [2022-11-20 11:59:46,807 INFO L78 Accepts]: Start accepts. Automaton has 4291 states and 6208 transitions. Word has length 107 [2022-11-20 11:59:46,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:59:46,807 INFO L495 AbstractCegarLoop]: Abstraction has 4291 states and 6208 transitions. [2022-11-20 11:59:46,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-20 11:59:46,808 INFO L276 IsEmpty]: Start isEmpty. Operand 4291 states and 6208 transitions. [2022-11-20 11:59:46,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-20 11:59:46,810 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:59:46,810 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-20 11:59:46,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 11:59:46,811 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-20 11:59:46,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:59:46,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1988883433, now seen corresponding path program 1 times [2022-11-20 11:59:46,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:59:46,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157861477] [2022-11-20 11:59:46,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:59:46,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:59:46,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:47,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:59:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:47,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 11:59:47,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:47,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:59:47,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:47,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 11:59:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:47,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:59:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:47,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-20 11:59:47,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:47,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-20 11:59:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:47,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-20 11:59:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:47,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-20 11:59:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:47,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-20 11:59:47,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:47,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-20 11:59:47,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:47,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-20 11:59:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:47,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 11:59:47,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:47,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-20 11:59:47,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:47,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-20 11:59:47,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:47,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-20 11:59:47,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:47,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-20 11:59:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:47,812 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 11:59:47,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:59:47,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157861477] [2022-11-20 11:59:47,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157861477] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:59:47,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:59:47,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 11:59:47,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238150115] [2022-11-20 11:59:47,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:59:47,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:59:47,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:59:47,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:59:47,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:59:47,815 INFO L87 Difference]: Start difference. First operand 4291 states and 6208 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-20 12:00:15,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:00:15,872 INFO L93 Difference]: Finished difference Result 4291 states and 6208 transitions. [2022-11-20 12:00:15,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 12:00:15,873 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (18), 4 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 113 [2022-11-20 12:00:15,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:00:15,893 INFO L225 Difference]: With dead ends: 4291 [2022-11-20 12:00:15,894 INFO L226 Difference]: Without dead ends: 4289 [2022-11-20 12:00:15,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-20 12:00:15,898 INFO L413 NwaCegarLoop]: 2312 mSDtfsCounter, 7551 mSDsluCounter, 4825 mSDsCounter, 0 mSdLazyCounter, 7359 mSolverCounterSat, 4298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7956 SdHoareTripleChecker+Valid, 7137 SdHoareTripleChecker+Invalid, 11657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:00:15,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7956 Valid, 7137 Invalid, 11657 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7359 Invalid, 0 Unknown, 0 Unchecked, 27.1s Time] [2022-11-20 12:00:15,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4289 states. [2022-11-20 12:00:16,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4289 to 4289. [2022-11-20 12:00:16,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4289 states, 2923 states have (on average 1.3171399247348614) internal successors, (3850), 3042 states have internal predecessors, (3850), 1179 states have call successors, (1179), 169 states have call predecessors, (1179), 168 states have return successors, (1177), 1130 states have call predecessors, (1177), 1177 states have call successors, (1177) [2022-11-20 12:00:16,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4289 states to 4289 states and 6206 transitions. [2022-11-20 12:00:16,547 INFO L78 Accepts]: Start accepts. Automaton has 4289 states and 6206 transitions. Word has length 113 [2022-11-20 12:00:16,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:00:16,548 INFO L495 AbstractCegarLoop]: Abstraction has 4289 states and 6206 transitions. [2022-11-20 12:00:16,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-20 12:00:16,548 INFO L276 IsEmpty]: Start isEmpty. Operand 4289 states and 6206 transitions. [2022-11-20 12:00:16,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-20 12:00:16,550 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:00:16,551 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:00:16,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-20 12:00:16,551 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_usb_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-20 12:00:16,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:00:16,552 INFO L85 PathProgramCache]: Analyzing trace with hash -270640232, now seen corresponding path program 1 times [2022-11-20 12:00:16,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:00:16,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131475824] [2022-11-20 12:00:16,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:16,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:00:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:17,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:00:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:17,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 12:00:17,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:17,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:00:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:17,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 12:00:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:17,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:17,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:17,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-20 12:00:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:17,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-20 12:00:17,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:17,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-20 12:00:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:17,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 12:00:17,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:17,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:17,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:17,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:17,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:17,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:00:17,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:17,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-20 12:00:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:17,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-20 12:00:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:17,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:17,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:17,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:17,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:17,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:00:17,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:17,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-20 12:00:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:17,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-20 12:00:17,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:17,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-20 12:00:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:17,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-20 12:00:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:17,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:00:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:17,692 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-11-20 12:00:17,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:00:17,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131475824] [2022-11-20 12:00:17,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131475824] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:00:17,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968164563] [2022-11-20 12:00:17,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:17,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:00:17,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:17,699 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:00:17,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 12:00:19,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 4625 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:00:19,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:00:19,830 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-11-20 12:00:19,831 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:00:19,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [968164563] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:00:19,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 12:00:19,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2022-11-20 12:00:19,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813788867] [2022-11-20 12:00:19,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:00:19,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:00:19,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:00:19,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:00:19,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-11-20 12:00:19,847 INFO L87 Difference]: Start difference. First operand 4289 states and 6206 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-20 12:00:20,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:00:20,534 INFO L93 Difference]: Finished difference Result 8525 states and 12329 transitions. [2022-11-20 12:00:20,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:00:20,534 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 128 [2022-11-20 12:00:20,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:00:20,554 INFO L225 Difference]: With dead ends: 8525 [2022-11-20 12:00:20,554 INFO L226 Difference]: Without dead ends: 4285 [2022-11-20 12:00:20,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-11-20 12:00:20,577 INFO L413 NwaCegarLoop]: 5351 mSDtfsCounter, 5331 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5331 SdHoareTripleChecker+Valid, 5351 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:00:20,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5331 Valid, 5351 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 12:00:20,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4285 states. [2022-11-20 12:00:21,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4285 to 4285. [2022-11-20 12:00:21,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4285 states, 2920 states have (on average 1.3167808219178083) internal successors, (3845), 3038 states have internal predecessors, (3845), 1179 states have call successors, (1179), 169 states have call predecessors, (1179), 168 states have return successors, (1177), 1130 states have call predecessors, (1177), 1177 states have call successors, (1177) [2022-11-20 12:00:21,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4285 states to 4285 states and 6201 transitions. [2022-11-20 12:00:21,245 INFO L78 Accepts]: Start accepts. Automaton has 4285 states and 6201 transitions. Word has length 128 [2022-11-20 12:00:21,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:00:21,246 INFO L495 AbstractCegarLoop]: Abstraction has 4285 states and 6201 transitions. [2022-11-20 12:00:21,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-20 12:00:21,246 INFO L276 IsEmpty]: Start isEmpty. Operand 4285 states and 6201 transitions. [2022-11-20 12:00:21,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-20 12:00:21,248 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:00:21,248 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-20 12:00:21,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 12:00:21,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea53be1f-3fb2-4a10-805d-862b5e2fcda3/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-20 12:00:21,473 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_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-20 12:00:21,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:00:21,474 INFO L85 PathProgramCache]: Analyzing trace with hash 112663619, now seen corresponding path program 1 times [2022-11-20 12:00:21,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:00:21,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906696528] [2022-11-20 12:00:21,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:21,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:00:21,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:22,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:00:22,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:22,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 12:00:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:22,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:00:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:22,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 12:00:22,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:22,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:22,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:22,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-20 12:00:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:22,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-20 12:00:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:22,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-20 12:00:22,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:22,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-20 12:00:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:22,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-20 12:00:22,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:22,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-20 12:00:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:22,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-20 12:00:22,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:22,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 12:00:22,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:22,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-20 12:00:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:22,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-20 12:00:22,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:22,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-20 12:00:22,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:22,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-20 12:00:22,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:22,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-20 12:00:22,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:22,462 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 12:00:22,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:00:22,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906696528] [2022-11-20 12:00:22,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906696528] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:00:22,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:00:22,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 12:00:22,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328430331] [2022-11-20 12:00:22,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:00:22,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:00:22,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:00:22,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:00:22,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:00:22,467 INFO L87 Difference]: Start difference. First operand 4285 states and 6201 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-20 12:00:40,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:00:48,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:00:55,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:00:55,332 INFO L93 Difference]: Finished difference Result 4285 states and 6201 transitions. [2022-11-20 12:00:55,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 12:00:55,332 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (19), 4 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 119 [2022-11-20 12:00:55,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:00:55,351 INFO L225 Difference]: With dead ends: 4285 [2022-11-20 12:00:55,351 INFO L226 Difference]: Without dead ends: 4283 [2022-11-20 12:00:55,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-20 12:00:55,355 INFO L413 NwaCegarLoop]: 2312 mSDtfsCounter, 7530 mSDsluCounter, 4825 mSDsCounter, 0 mSdLazyCounter, 7344 mSolverCounterSat, 4298 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7934 SdHoareTripleChecker+Valid, 7137 SdHoareTripleChecker+Invalid, 11643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7344 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.8s IncrementalHoareTripleChecker+Time [2022-11-20 12:00:55,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7934 Valid, 7137 Invalid, 11643 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7344 Invalid, 1 Unknown, 0 Unchecked, 31.8s Time] [2022-11-20 12:00:55,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4283 states. [2022-11-20 12:00:56,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4283 to 4283. [2022-11-20 12:00:56,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4283 states, 2919 states have (on average 1.316546762589928) internal successors, (3843), 3036 states have internal predecessors, (3843), 1179 states have call successors, (1179), 169 states have call predecessors, (1179), 168 states have return successors, (1177), 1130 states have call predecessors, (1177), 1177 states have call successors, (1177) [2022-11-20 12:00:56,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4283 states to 4283 states and 6199 transitions. [2022-11-20 12:00:56,123 INFO L78 Accepts]: Start accepts. Automaton has 4283 states and 6199 transitions. Word has length 119 [2022-11-20 12:00:56,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:00:56,123 INFO L495 AbstractCegarLoop]: Abstraction has 4283 states and 6199 transitions. [2022-11-20 12:00:56,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-20 12:00:56,124 INFO L276 IsEmpty]: Start isEmpty. Operand 4283 states and 6199 transitions. [2022-11-20 12:00:56,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-11-20 12:00:56,126 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:00:56,127 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-20 12:00:56,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-20 12:00:56,127 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_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-20 12:00:56,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:00:56,128 INFO L85 PathProgramCache]: Analyzing trace with hash -501908800, now seen corresponding path program 1 times [2022-11-20 12:00:56,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:00:56,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043079120] [2022-11-20 12:00:56,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:56,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:00:56,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:56,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:00:56,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:56,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 12:00:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:56,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:00:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:56,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 12:00:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:56,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:57,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-20 12:00:57,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:57,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-20 12:00:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:57,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-20 12:00:57,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:57,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-20 12:00:57,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:57,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-20 12:00:57,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:57,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-20 12:00:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:57,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-20 12:00:57,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:57,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 12:00:57,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:57,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-20 12:00:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:57,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-20 12:00:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:57,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-20 12:00:57,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:57,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-20 12:00:57,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:57,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-20 12:00:57,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:57,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-20 12:00:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:57,262 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 12:00:57,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:00:57,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043079120] [2022-11-20 12:00:57,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043079120] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:00:57,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:00:57,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 12:00:57,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404822057] [2022-11-20 12:00:57,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:00:57,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:00:57,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:00:57,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:00:57,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:00:57,265 INFO L87 Difference]: Start difference. First operand 4283 states and 6199 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-20 12:01:08,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:01:12,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:01:14,593 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 [] [2022-11-20 12:01:30,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:01:30,950 INFO L93 Difference]: Finished difference Result 4283 states and 6199 transitions. [2022-11-20 12:01:30,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 12:01:30,951 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (20), 4 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 125 [2022-11-20 12:01:30,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:01:30,964 INFO L225 Difference]: With dead ends: 4283 [2022-11-20 12:01:30,964 INFO L226 Difference]: Without dead ends: 4281 [2022-11-20 12:01:30,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-20 12:01:30,967 INFO L413 NwaCegarLoop]: 2312 mSDtfsCounter, 7524 mSDsluCounter, 4825 mSDsCounter, 0 mSdLazyCounter, 7340 mSolverCounterSat, 4298 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7927 SdHoareTripleChecker+Valid, 7137 SdHoareTripleChecker+Invalid, 11639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7340 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.5s IncrementalHoareTripleChecker+Time [2022-11-20 12:01:30,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7927 Valid, 7137 Invalid, 11639 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7340 Invalid, 1 Unknown, 0 Unchecked, 32.5s Time] [2022-11-20 12:01:30,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4281 states. [2022-11-20 12:01:31,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4281 to 4281. [2022-11-20 12:01:31,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4281 states, 2918 states have (on average 1.31631254283756) internal successors, (3841), 3034 states have internal predecessors, (3841), 1179 states have call successors, (1179), 169 states have call predecessors, (1179), 168 states have return successors, (1177), 1130 states have call predecessors, (1177), 1177 states have call successors, (1177) [2022-11-20 12:01:31,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 4281 states and 6197 transitions. [2022-11-20 12:01:31,670 INFO L78 Accepts]: Start accepts. Automaton has 4281 states and 6197 transitions. Word has length 125 [2022-11-20 12:01:31,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:01:31,671 INFO L495 AbstractCegarLoop]: Abstraction has 4281 states and 6197 transitions. [2022-11-20 12:01:31,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-20 12:01:31,671 INFO L276 IsEmpty]: Start isEmpty. Operand 4281 states and 6197 transitions. [2022-11-20 12:01:31,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-11-20 12:01:31,674 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:01:31,675 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:01:31,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-20 12:01:31,676 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-20 12:01:31,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:01:31,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1305660227, now seen corresponding path program 1 times [2022-11-20 12:01:31,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:01:31,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675991194] [2022-11-20 12:01:31,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:01:31,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:01:31,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:32,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:01:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:32,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 12:01:32,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:32,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:32,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:32,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 12:01:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:32,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:32,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:32,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-20 12:01:32,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:32,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-20 12:01:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:33,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-20 12:01:33,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:33,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 12:01:33,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:33,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:33,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:33,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:01:33,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:33,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:33,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:33,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-20 12:01:33,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:33,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-20 12:01:33,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:33,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:33,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:33,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:01:33,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:33,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:33,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-20 12:01:33,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:33,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-20 12:01:33,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:33,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-20 12:01:33,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:33,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-20 12:01:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:33,298 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-11-20 12:01:33,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:01:33,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675991194] [2022-11-20 12:01:33,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675991194] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:01:33,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:01:33,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-20 12:01:33,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201288011] [2022-11-20 12:01:33,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:01:33,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 12:01:33,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:01:33,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 12:01:33,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-20 12:01:33,302 INFO L87 Difference]: Start difference. First operand 4281 states and 6197 transitions. Second operand has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-20 12:01:49,978 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 [] [2022-11-20 12:01:51,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:01:55,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:01:57,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:02:01,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:02:16,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:02:28,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:02:44,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:02:44,339 INFO L93 Difference]: Finished difference Result 8579 states and 12480 transitions. [2022-11-20 12:02:44,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 12:02:44,340 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 138 [2022-11-20 12:02:44,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:02:44,353 INFO L225 Difference]: With dead ends: 8579 [2022-11-20 12:02:44,354 INFO L226 Difference]: Without dead ends: 4347 [2022-11-20 12:02:44,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2022-11-20 12:02:44,376 INFO L413 NwaCegarLoop]: 2316 mSDtfsCounter, 8587 mSDsluCounter, 9608 mSDsCounter, 0 mSdLazyCounter, 16578 mSolverCounterSat, 5631 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 66.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9035 SdHoareTripleChecker+Valid, 11924 SdHoareTripleChecker+Invalid, 22209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5631 IncrementalHoareTripleChecker+Valid, 16578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69.5s IncrementalHoareTripleChecker+Time [2022-11-20 12:02:44,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9035 Valid, 11924 Invalid, 22209 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5631 Valid, 16578 Invalid, 0 Unknown, 0 Unchecked, 69.5s Time] [2022-11-20 12:02:44,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4347 states. [2022-11-20 12:02:45,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4347 to 4281. [2022-11-20 12:02:45,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4281 states, 2918 states have (on average 1.3159698423577793) internal successors, (3840), 3034 states have internal predecessors, (3840), 1179 states have call successors, (1179), 169 states have call predecessors, (1179), 168 states have return successors, (1177), 1130 states have call predecessors, (1177), 1177 states have call successors, (1177) [2022-11-20 12:02:45,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 4281 states and 6196 transitions. [2022-11-20 12:02:45,141 INFO L78 Accepts]: Start accepts. Automaton has 4281 states and 6196 transitions. Word has length 138 [2022-11-20 12:02:45,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:02:45,142 INFO L495 AbstractCegarLoop]: Abstraction has 4281 states and 6196 transitions. [2022-11-20 12:02:45,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-20 12:02:45,143 INFO L276 IsEmpty]: Start isEmpty. Operand 4281 states and 6196 transitions. [2022-11-20 12:02:45,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-11-20 12:02:45,146 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:02:45,147 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:02:45,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-20 12:02:45,147 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-20 12:02:45,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:02:45,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1305719809, now seen corresponding path program 1 times [2022-11-20 12:02:45,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:02:45,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455585678] [2022-11-20 12:02:45,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:02:45,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:02:45,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:45,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:02:45,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:45,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 12:02:45,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:46,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:02:46,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:46,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 12:02:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:46,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:02:46,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:46,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-20 12:02:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:46,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-20 12:02:46,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:46,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-20 12:02:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:46,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 12:02:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:46,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:02:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:46,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:02:46,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:46,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:02:46,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:46,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-20 12:02:46,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:46,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-20 12:02:46,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:46,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:02:46,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:46,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:02:46,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:46,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:02:46,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:46,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-20 12:02:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:46,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-20 12:02:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:46,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-20 12:02:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:46,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-20 12:02:46,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:46,246 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-11-20 12:02:46,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:02:46,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455585678] [2022-11-20 12:02:46,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455585678] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:02:46,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:02:46,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 12:02:46,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78582856] [2022-11-20 12:02:46,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:02:46,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 12:02:46,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:02:46,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 12:02:46,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:02:46,251 INFO L87 Difference]: Start difference. First operand 4281 states and 6196 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-20 12:03:05,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:03:12,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:03:17,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:03:24,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:03:33,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:03:36,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:03:46,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:03:46,373 INFO L93 Difference]: Finished difference Result 4347 states and 6325 transitions. [2022-11-20 12:03:46,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 12:03:46,374 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 138 [2022-11-20 12:03:46,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:03:46,390 INFO L225 Difference]: With dead ends: 4347 [2022-11-20 12:03:46,390 INFO L226 Difference]: Without dead ends: 4345 [2022-11-20 12:03:46,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2022-11-20 12:03:46,392 INFO L413 NwaCegarLoop]: 2318 mSDtfsCounter, 4799 mSDsluCounter, 8141 mSDsCounter, 0 mSdLazyCounter, 12679 mSolverCounterSat, 4448 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4799 SdHoareTripleChecker+Valid, 10459 SdHoareTripleChecker+Invalid, 17128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4448 IncrementalHoareTripleChecker+Valid, 12679 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.7s IncrementalHoareTripleChecker+Time [2022-11-20 12:03:46,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4799 Valid, 10459 Invalid, 17128 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4448 Valid, 12679 Invalid, 1 Unknown, 0 Unchecked, 58.7s Time] [2022-11-20 12:03:46,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4345 states. [2022-11-20 12:03:47,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4345 to 4279. [2022-11-20 12:03:47,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4279 states, 2917 states have (on average 1.3157353445320534) internal successors, (3838), 3032 states have internal predecessors, (3838), 1179 states have call successors, (1179), 169 states have call predecessors, (1179), 168 states have return successors, (1177), 1130 states have call predecessors, (1177), 1177 states have call successors, (1177) [2022-11-20 12:03:47,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4279 states to 4279 states and 6194 transitions. [2022-11-20 12:03:47,071 INFO L78 Accepts]: Start accepts. Automaton has 4279 states and 6194 transitions. Word has length 138 [2022-11-20 12:03:47,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:03:47,071 INFO L495 AbstractCegarLoop]: Abstraction has 4279 states and 6194 transitions. [2022-11-20 12:03:47,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-20 12:03:47,072 INFO L276 IsEmpty]: Start isEmpty. Operand 4279 states and 6194 transitions. [2022-11-20 12:03:47,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-20 12:03:47,075 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:03:47,075 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:03:47,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-20 12:03:47,076 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-20 12:03:47,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:47,076 INFO L85 PathProgramCache]: Analyzing trace with hash 485326087, now seen corresponding path program 1 times [2022-11-20 12:03:47,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:03:47,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159716930] [2022-11-20 12:03:47,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:03:47,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:03:47,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:47,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:03:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:47,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 12:03:47,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:47,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:03:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:47,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 12:03:47,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:47,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:03:47,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:47,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-20 12:03:47,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:47,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-20 12:03:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:47,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-20 12:03:47,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:47,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 12:03:47,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:47,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:03:47,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:47,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:03:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:47,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:03:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:47,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-20 12:03:47,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:47,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-20 12:03:47,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:47,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:03:47,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:47,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:03:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:47,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:03:47,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:47,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-20 12:03:47,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:47,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-20 12:03:47,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:47,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-20 12:03:47,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:47,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-20 12:03:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:47,925 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-11-20 12:03:47,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:03:47,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159716930] [2022-11-20 12:03:47,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159716930] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:03:47,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:03:47,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 12:03:47,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665605590] [2022-11-20 12:03:47,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:03:47,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:03:47,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:03:47,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:03:47,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:03:47,930 INFO L87 Difference]: Start difference. First operand 4279 states and 6194 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-20 12:03:58,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:04:13,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:04:20,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:04:20,274 INFO L93 Difference]: Finished difference Result 8571 states and 12470 transitions. [2022-11-20 12:04:20,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 12:04:20,275 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 142 [2022-11-20 12:04:20,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:04:20,289 INFO L225 Difference]: With dead ends: 8571 [2022-11-20 12:04:20,289 INFO L226 Difference]: Without dead ends: 4341 [2022-11-20 12:04:20,301 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-20 12:04:20,302 INFO L413 NwaCegarLoop]: 2318 mSDtfsCounter, 8538 mSDsluCounter, 4356 mSDsCounter, 0 mSdLazyCounter, 5763 mSolverCounterSat, 5630 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8983 SdHoareTripleChecker+Valid, 6674 SdHoareTripleChecker+Invalid, 11393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5630 IncrementalHoareTripleChecker+Valid, 5763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.2s IncrementalHoareTripleChecker+Time [2022-11-20 12:04:20,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8983 Valid, 6674 Invalid, 11393 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5630 Valid, 5763 Invalid, 0 Unknown, 0 Unchecked, 31.2s Time] [2022-11-20 12:04:20,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4341 states. [2022-11-20 12:04:20,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4341 to 4275. [2022-11-20 12:04:20,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4275 states, 2914 states have (on average 1.3153740562800273) internal successors, (3833), 3028 states have internal predecessors, (3833), 1179 states have call successors, (1179), 169 states have call predecessors, (1179), 168 states have return successors, (1177), 1130 states have call predecessors, (1177), 1177 states have call successors, (1177) [2022-11-20 12:04:20,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4275 states to 4275 states and 6189 transitions. [2022-11-20 12:04:20,884 INFO L78 Accepts]: Start accepts. Automaton has 4275 states and 6189 transitions. Word has length 142 [2022-11-20 12:04:20,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:04:20,885 INFO L495 AbstractCegarLoop]: Abstraction has 4275 states and 6189 transitions. [2022-11-20 12:04:20,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-20 12:04:20,885 INFO L276 IsEmpty]: Start isEmpty. Operand 4275 states and 6189 transitions. [2022-11-20 12:04:20,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-20 12:04:20,888 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:20,888 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1] [2022-11-20 12:04:20,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-20 12:04:20,888 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-20 12:04:20,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:20,889 INFO L85 PathProgramCache]: Analyzing trace with hash -56992757, now seen corresponding path program 1 times [2022-11-20 12:04:20,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:04:20,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180447858] [2022-11-20 12:04:20,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:20,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:04:21,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:21,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:04:21,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:21,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 12:04:21,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:21,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:04:21,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:21,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 12:04:21,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:21,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:04:21,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:21,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-20 12:04:21,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:21,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-20 12:04:21,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:21,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-20 12:04:21,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:21,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-20 12:04:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:21,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-20 12:04:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:21,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-20 12:04:21,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:21,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-20 12:04:21,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:21,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 12:04:21,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:21,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-20 12:04:21,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:21,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-20 12:04:21,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:21,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-20 12:04:21,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:21,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-20 12:04:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:21,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-20 12:04:21,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:21,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-20 12:04:21,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:21,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-20 12:04:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:21,994 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 12:04:21,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:04:21,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180447858] [2022-11-20 12:04:21,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180447858] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:04:21,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:04:21,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 12:04:21,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927664047] [2022-11-20 12:04:21,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:04:21,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:04:21,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:04:21,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:04:21,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:04:21,998 INFO L87 Difference]: Start difference. First operand 4275 states and 6189 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-20 12:04:31,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:04:40,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:04:52,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:04:52,376 INFO L93 Difference]: Finished difference Result 4275 states and 6189 transitions. [2022-11-20 12:04:52,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 12:04:52,377 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (21), 4 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 131 [2022-11-20 12:04:52,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:04:52,387 INFO L225 Difference]: With dead ends: 4275 [2022-11-20 12:04:52,387 INFO L226 Difference]: Without dead ends: 4273 [2022-11-20 12:04:52,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-20 12:04:52,390 INFO L413 NwaCegarLoop]: 2312 mSDtfsCounter, 7494 mSDsluCounter, 4825 mSDsCounter, 0 mSdLazyCounter, 7321 mSolverCounterSat, 4298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7896 SdHoareTripleChecker+Valid, 7137 SdHoareTripleChecker+Invalid, 11619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.2s IncrementalHoareTripleChecker+Time [2022-11-20 12:04:52,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7896 Valid, 7137 Invalid, 11619 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7321 Invalid, 0 Unknown, 0 Unchecked, 29.2s Time] [2022-11-20 12:04:52,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4273 states. [2022-11-20 12:04:52,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4273 to 4273. [2022-11-20 12:04:52,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4273 states, 2913 states have (on average 1.3151390319258496) internal successors, (3831), 3026 states have internal predecessors, (3831), 1179 states have call successors, (1179), 169 states have call predecessors, (1179), 168 states have return successors, (1177), 1130 states have call predecessors, (1177), 1177 states have call successors, (1177) [2022-11-20 12:04:52,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4273 states to 4273 states and 6187 transitions. [2022-11-20 12:04:52,889 INFO L78 Accepts]: Start accepts. Automaton has 4273 states and 6187 transitions. Word has length 131 [2022-11-20 12:04:52,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:04:52,890 INFO L495 AbstractCegarLoop]: Abstraction has 4273 states and 6187 transitions. [2022-11-20 12:04:52,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-20 12:04:52,890 INFO L276 IsEmpty]: Start isEmpty. Operand 4273 states and 6187 transitions. [2022-11-20 12:04:52,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-11-20 12:04:52,892 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:52,893 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:04:52,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-20 12:04:52,893 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-20 12:04:52,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:52,894 INFO L85 PathProgramCache]: Analyzing trace with hash -952575018, now seen corresponding path program 1 times [2022-11-20 12:04:52,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:04:52,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790519263] [2022-11-20 12:04:52,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:52,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:04:53,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:54,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:04:54,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:54,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 12:04:54,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:54,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:04:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:54,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 12:04:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:54,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:04:54,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:54,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-20 12:04:54,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:54,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-20 12:04:54,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:54,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-20 12:04:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:54,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-20 12:04:54,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:54,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-20 12:04:54,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:54,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-20 12:04:54,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:54,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-20 12:04:54,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:54,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 12:04:54,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:54,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-20 12:04:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:54,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-20 12:04:54,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:54,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-20 12:04:54,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:54,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-20 12:04:54,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:54,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-20 12:04:54,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:54,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-20 12:04:54,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:54,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-20 12:04:54,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:54,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-20 12:04:54,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:54,543 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 12:04:54,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:04:54,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790519263] [2022-11-20 12:04:54,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790519263] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:04:54,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:04:54,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 12:04:54,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600749542] [2022-11-20 12:04:54,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:04:54,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:04:54,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:04:54,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:04:54,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:04:54,548 INFO L87 Difference]: Start difference. First operand 4273 states and 6187 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-20 12:05:15,313 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 [] [2022-11-20 12:05:22,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:05:22,881 INFO L93 Difference]: Finished difference Result 4273 states and 6187 transitions. [2022-11-20 12:05:22,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 12:05:22,881 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (22), 4 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 137 [2022-11-20 12:05:22,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:05:22,894 INFO L225 Difference]: With dead ends: 4273 [2022-11-20 12:05:22,894 INFO L226 Difference]: Without dead ends: 4271 [2022-11-20 12:05:22,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-20 12:05:22,896 INFO L413 NwaCegarLoop]: 2312 mSDtfsCounter, 7488 mSDsluCounter, 4825 mSDsCounter, 0 mSdLazyCounter, 7317 mSolverCounterSat, 4298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7889 SdHoareTripleChecker+Valid, 7137 SdHoareTripleChecker+Invalid, 11615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.2s IncrementalHoareTripleChecker+Time [2022-11-20 12:05:22,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7889 Valid, 7137 Invalid, 11615 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7317 Invalid, 0 Unknown, 0 Unchecked, 27.2s Time] [2022-11-20 12:05:22,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4271 states. [2022-11-20 12:05:23,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4271 to 4271. [2022-11-20 12:05:23,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4271 states, 2912 states have (on average 1.3149038461538463) internal successors, (3829), 3024 states have internal predecessors, (3829), 1179 states have call successors, (1179), 169 states have call predecessors, (1179), 168 states have return successors, (1177), 1130 states have call predecessors, (1177), 1177 states have call successors, (1177) [2022-11-20 12:05:23,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4271 states to 4271 states and 6185 transitions. [2022-11-20 12:05:23,428 INFO L78 Accepts]: Start accepts. Automaton has 4271 states and 6185 transitions. Word has length 137 [2022-11-20 12:05:23,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:05:23,429 INFO L495 AbstractCegarLoop]: Abstraction has 4271 states and 6185 transitions. [2022-11-20 12:05:23,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-20 12:05:23,429 INFO L276 IsEmpty]: Start isEmpty. Operand 4271 states and 6185 transitions. [2022-11-20 12:05:23,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-11-20 12:05:23,432 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:05:23,432 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:05:23,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-20 12:05:23,433 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-20 12:05:23,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:05:23,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1274171610, now seen corresponding path program 1 times [2022-11-20 12:05:23,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:05:23,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947868851] [2022-11-20 12:05:23,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:05:23,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:05:23,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:05:24,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:05:24,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:05:24,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 12:05:24,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:05:24,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:05:24,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:05:24,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 12:05:24,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:05:24,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:05:24,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:05:24,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-20 12:05:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:05:24,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-20 12:05:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:05:24,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-20 12:05:24,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:05:24,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-20 12:05:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:05:24,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-20 12:05:24,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:05:24,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-20 12:05:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:05:24,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-20 12:05:24,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:05:24,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 12:05:24,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:05:24,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-20 12:05:24,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:05:24,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-20 12:05:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:05:24,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-20 12:05:24,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:05:24,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-20 12:05:24,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:05:24,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-20 12:05:24,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:05:24,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-20 12:05:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:05:24,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-20 12:05:24,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:05:24,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-20 12:05:24,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:05:24,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-20 12:05:24,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:05:24,375 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 12:05:24,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:05:24,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947868851] [2022-11-20 12:05:24,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947868851] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:05:24,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:05:24,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 12:05:24,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130036551] [2022-11-20 12:05:24,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:05:24,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:05:24,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:05:24,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:05:24,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:05:24,379 INFO L87 Difference]: Start difference. First operand 4271 states and 6185 transitions. Second operand has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22)