./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 e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/bin/uautomizer-tPACEb0tL8/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_5f9e712d-b403-424e-a0be-d8331a7c84b9/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/bin/uautomizer-tPACEb0tL8 --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-e04fb08 [2022-11-16 11:50:57,958 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:50:57,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:50:57,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:50:57,998 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:50:57,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:50:58,000 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:50:58,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:50:58,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:50:58,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:50:58,010 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:50:58,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:50:58,014 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:50:58,021 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:50:58,022 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:50:58,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:50:58,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:50:58,025 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:50:58,026 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:50:58,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:50:58,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:50:58,038 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:50:58,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:50:58,044 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:50:58,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:50:58,050 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:50:58,051 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:50:58,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:50:58,052 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:50:58,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:50:58,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:50:58,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:50:58,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:50:58,055 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:50:58,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:50:58,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:50:58,065 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:50:58,066 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:50:58,066 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:50:58,067 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:50:58,068 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:50:58,069 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 11:50:58,089 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:50:58,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:50:58,090 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:50:58,090 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:50:58,091 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:50:58,091 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:50:58,091 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:50:58,092 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:50:58,092 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:50:58,092 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:50:58,092 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:50:58,093 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:50:58,093 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:50:58,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:50:58,093 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:50:58,093 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:50:58,094 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:50:58,094 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:50:58,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:50:58,094 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:50:58,095 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:50:58,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:50:58,095 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:50:58,095 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:50:58,096 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:50:58,096 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:50:58,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:50:58,096 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:50:58,096 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:50:58,097 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:50:58,097 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_5f9e712d-b403-424e-a0be-d8331a7c84b9/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca0a53c4f6c5b2fe175dc6e02f972fead30c92e05ea428ef0a5b4e9fd4cc9337 [2022-11-16 11:50:58,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:50:58,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:50:58,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:50:58,405 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:50:58,406 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:50:58,407 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i [2022-11-16 11:50:58,487 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/bin/uautomizer-tPACEb0tL8/data/4fef24008/8752d974bebb4f1ead624fe8e1b7374b/FLAG2c68ab5bf [2022-11-16 11:50:59,694 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:50:59,695 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i [2022-11-16 11:50:59,773 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/bin/uautomizer-tPACEb0tL8/data/4fef24008/8752d974bebb4f1ead624fe8e1b7374b/FLAG2c68ab5bf [2022-11-16 11:50:59,883 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/bin/uautomizer-tPACEb0tL8/data/4fef24008/8752d974bebb4f1ead624fe8e1b7374b [2022-11-16 11:50:59,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:50:59,891 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:50:59,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:50:59,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:50:59,899 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:50:59,900 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:50:59" (1/1) ... [2022-11-16 11:50:59,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eb6d1d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:59, skipping insertion in model container [2022-11-16 11:50:59,901 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:50:59" (1/1) ... [2022-11-16 11:50:59,908 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:51:00,176 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:51:08,044 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[614473,614486] [2022-11-16 11:51:08,048 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[614618,614631] [2022-11-16 11:51:08,049 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[614764,614777] [2022-11-16 11:51:08,049 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[614929,614942] [2022-11-16 11:51:08,050 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615087,615100] [2022-11-16 11:51:08,050 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615245,615258] [2022-11-16 11:51:08,051 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615403,615416] [2022-11-16 11:51:08,051 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615563,615576] [2022-11-16 11:51:08,052 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615722,615735] [2022-11-16 11:51:08,052 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615861,615874] [2022-11-16 11:51:08,053 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616003,616016] [2022-11-16 11:51:08,053 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616152,616165] [2022-11-16 11:51:08,054 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616291,616304] [2022-11-16 11:51:08,054 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616446,616459] [2022-11-16 11:51:08,055 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616606,616619] [2022-11-16 11:51:08,055 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616757,616770] [2022-11-16 11:51:08,056 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616908,616921] [2022-11-16 11:51:08,056 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617060,617073] [2022-11-16 11:51:08,057 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617209,617222] [2022-11-16 11:51:08,058 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617357,617370] [2022-11-16 11:51:08,058 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617514,617527] [2022-11-16 11:51:08,059 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617663,617676] [2022-11-16 11:51:08,059 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617819,617832] [2022-11-16 11:51:08,060 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617972,617985] [2022-11-16 11:51:08,060 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618118,618131] [2022-11-16 11:51:08,061 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618261,618274] [2022-11-16 11:51:08,062 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618413,618426] [2022-11-16 11:51:08,062 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618559,618572] [2022-11-16 11:51:08,063 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618704,618717] [2022-11-16 11:51:08,063 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618858,618871] [2022-11-16 11:51:08,064 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619009,619022] [2022-11-16 11:51:08,064 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619164,619177] [2022-11-16 11:51:08,065 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619316,619329] [2022-11-16 11:51:08,065 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619471,619484] [2022-11-16 11:51:08,066 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619635,619648] [2022-11-16 11:51:08,067 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619791,619804] [2022-11-16 11:51:08,067 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619955,619968] [2022-11-16 11:51:08,068 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620097,620110] [2022-11-16 11:51:08,068 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620255,620268] [2022-11-16 11:51:08,069 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620422,620435] [2022-11-16 11:51:08,069 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620581,620594] [2022-11-16 11:51:08,070 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620740,620753] [2022-11-16 11:51:08,070 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620889,620902] [2022-11-16 11:51:08,071 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621036,621049] [2022-11-16 11:51:08,072 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621175,621188] [2022-11-16 11:51:08,072 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621338,621351] [2022-11-16 11:51:08,073 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621504,621517] [2022-11-16 11:51:08,073 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621668,621681] [2022-11-16 11:51:08,074 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621833,621846] [2022-11-16 11:51:08,075 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621998,622011] [2022-11-16 11:51:08,075 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622164,622177] [2022-11-16 11:51:08,076 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622329,622342] [2022-11-16 11:51:08,076 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622496,622509] [2022-11-16 11:51:08,077 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622656,622669] [2022-11-16 11:51:08,078 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622818,622831] [2022-11-16 11:51:08,078 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622977,622990] [2022-11-16 11:51:08,079 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623123,623136] [2022-11-16 11:51:08,079 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623266,623279] [2022-11-16 11:51:08,080 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623410,623423] [2022-11-16 11:51:08,081 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623553,623566] [2022-11-16 11:51:08,081 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623697,623710] [2022-11-16 11:51:08,082 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623838,623851] [2022-11-16 11:51:08,082 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623976,623989] [2022-11-16 11:51:08,083 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624134,624147] [2022-11-16 11:51:08,084 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624293,624306] [2022-11-16 11:51:08,084 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624449,624462] [2022-11-16 11:51:08,085 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624598,624611] [2022-11-16 11:51:08,085 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624750,624763] [2022-11-16 11:51:08,086 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624901,624914] [2022-11-16 11:51:08,086 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625050,625063] [2022-11-16 11:51:08,087 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625202,625215] [2022-11-16 11:51:08,088 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625350,625363] [2022-11-16 11:51:08,088 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625503,625516] [2022-11-16 11:51:08,089 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625654,625667] [2022-11-16 11:51:08,089 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625804,625817] [2022-11-16 11:51:08,090 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625951,625964] [2022-11-16 11:51:08,090 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626102,626115] [2022-11-16 11:51:08,091 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626253,626266] [2022-11-16 11:51:08,092 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626401,626414] [2022-11-16 11:51:08,092 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626567,626580] [2022-11-16 11:51:08,093 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626736,626749] [2022-11-16 11:51:08,093 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626903,626916] [2022-11-16 11:51:08,094 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627071,627084] [2022-11-16 11:51:08,094 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627221,627234] [2022-11-16 11:51:08,095 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627368,627381] [2022-11-16 11:51:08,095 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627529,627542] [2022-11-16 11:51:08,096 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627699,627712] [2022-11-16 11:51:08,097 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627861,627874] [2022-11-16 11:51:08,130 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:51:08,177 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:51:08,803 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[614473,614486] [2022-11-16 11:51:08,804 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[614618,614631] [2022-11-16 11:51:08,810 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[614764,614777] [2022-11-16 11:51:08,812 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[614929,614942] [2022-11-16 11:51:08,813 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615087,615100] [2022-11-16 11:51:08,815 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615245,615258] [2022-11-16 11:51:08,816 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615403,615416] [2022-11-16 11:51:08,817 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615563,615576] [2022-11-16 11:51:08,819 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615722,615735] [2022-11-16 11:51:08,820 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[615861,615874] [2022-11-16 11:51:08,821 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616003,616016] [2022-11-16 11:51:08,822 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616152,616165] [2022-11-16 11:51:08,823 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616291,616304] [2022-11-16 11:51:08,824 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616446,616459] [2022-11-16 11:51:08,826 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616606,616619] [2022-11-16 11:51:08,827 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616757,616770] [2022-11-16 11:51:08,827 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[616908,616921] [2022-11-16 11:51:08,828 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617060,617073] [2022-11-16 11:51:08,829 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617209,617222] [2022-11-16 11:51:08,829 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617357,617370] [2022-11-16 11:51:08,830 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617514,617527] [2022-11-16 11:51:08,830 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617663,617676] [2022-11-16 11:51:08,831 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617819,617832] [2022-11-16 11:51:08,831 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[617972,617985] [2022-11-16 11:51:08,832 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618118,618131] [2022-11-16 11:51:08,832 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618261,618274] [2022-11-16 11:51:08,833 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618413,618426] [2022-11-16 11:51:08,833 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618559,618572] [2022-11-16 11:51:08,834 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618704,618717] [2022-11-16 11:51:08,834 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[618858,618871] [2022-11-16 11:51:08,835 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619009,619022] [2022-11-16 11:51:08,835 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619164,619177] [2022-11-16 11:51:08,836 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619316,619329] [2022-11-16 11:51:08,837 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619471,619484] [2022-11-16 11:51:08,838 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619635,619648] [2022-11-16 11:51:08,839 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619791,619804] [2022-11-16 11:51:08,839 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[619955,619968] [2022-11-16 11:51:08,840 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620097,620110] [2022-11-16 11:51:08,840 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620255,620268] [2022-11-16 11:51:08,840 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620422,620435] [2022-11-16 11:51:08,842 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620581,620594] [2022-11-16 11:51:08,843 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620740,620753] [2022-11-16 11:51:08,843 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[620889,620902] [2022-11-16 11:51:08,844 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621036,621049] [2022-11-16 11:51:08,844 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621175,621188] [2022-11-16 11:51:08,845 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621338,621351] [2022-11-16 11:51:08,845 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621504,621517] [2022-11-16 11:51:08,846 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621668,621681] [2022-11-16 11:51:08,846 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621833,621846] [2022-11-16 11:51:08,846 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[621998,622011] [2022-11-16 11:51:08,847 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622164,622177] [2022-11-16 11:51:08,847 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622329,622342] [2022-11-16 11:51:08,848 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622496,622509] [2022-11-16 11:51:08,849 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622656,622669] [2022-11-16 11:51:08,850 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622818,622831] [2022-11-16 11:51:08,851 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[622977,622990] [2022-11-16 11:51:08,851 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623123,623136] [2022-11-16 11:51:08,852 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623266,623279] [2022-11-16 11:51:08,852 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623410,623423] [2022-11-16 11:51:08,852 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623553,623566] [2022-11-16 11:51:08,853 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623697,623710] [2022-11-16 11:51:08,854 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623838,623851] [2022-11-16 11:51:08,855 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[623976,623989] [2022-11-16 11:51:08,856 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624134,624147] [2022-11-16 11:51:08,859 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624293,624306] [2022-11-16 11:51:08,864 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624449,624462] [2022-11-16 11:51:08,865 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624598,624611] [2022-11-16 11:51:08,866 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624750,624763] [2022-11-16 11:51:08,867 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[624901,624914] [2022-11-16 11:51:08,868 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625050,625063] [2022-11-16 11:51:08,869 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625202,625215] [2022-11-16 11:51:08,870 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625350,625363] [2022-11-16 11:51:08,870 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625503,625516] [2022-11-16 11:51:08,876 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625654,625667] [2022-11-16 11:51:08,877 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625804,625817] [2022-11-16 11:51:08,877 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[625951,625964] [2022-11-16 11:51:08,878 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626102,626115] [2022-11-16 11:51:08,878 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626253,626266] [2022-11-16 11:51:08,880 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626401,626414] [2022-11-16 11:51:08,881 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626567,626580] [2022-11-16 11:51:08,882 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626736,626749] [2022-11-16 11:51:08,884 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[626903,626916] [2022-11-16 11:51:08,884 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627071,627084] [2022-11-16 11:51:08,885 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627221,627234] [2022-11-16 11:51:08,886 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627368,627381] [2022-11-16 11:51:08,886 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627529,627542] [2022-11-16 11:51:08,887 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627699,627712] [2022-11-16 11:51:08,887 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i[627861,627874] [2022-11-16 11:51:08,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:51:09,491 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:51:09,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:51:09 WrapperNode [2022-11-16 11:51:09,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:51:09,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:51:09,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:51:09,493 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:51:09,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:51:09" (1/1) ... [2022-11-16 11:51:09,675 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:51:09" (1/1) ... [2022-11-16 11:51:10,026 INFO L138 Inliner]: procedures = 962, calls = 5080, calls flagged for inlining = 555, calls inlined = 474, statements flattened = 13567 [2022-11-16 11:51:10,027 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:51:10,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:51:10,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:51:10,028 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:51:10,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:51:09" (1/1) ... [2022-11-16 11:51:10,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:51:09" (1/1) ... [2022-11-16 11:51:10,244 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:51:09" (1/1) ... [2022-11-16 11:51:10,245 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:51:09" (1/1) ... [2022-11-16 11:51:10,539 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:51:09" (1/1) ... [2022-11-16 11:51:10,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:51:09" (1/1) ... [2022-11-16 11:51:10,656 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:51:09" (1/1) ... [2022-11-16 11:51:10,678 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:51:09" (1/1) ... [2022-11-16 11:51:10,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:51:10,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:51:10,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:51:10,771 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:51:10,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:51:09" (1/1) ... [2022-11-16 11:51:10,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:51:10,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:51:10,804 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:51:10,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:51:10,849 INFO L130 BoogieDeclarations]: Found specification of procedure wait_ack [2022-11-16 11:51:10,850 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_ack [2022-11-16 11:51:10,850 INFO L130 BoogieDeclarations]: Found specification of procedure clear_cmd_trigger [2022-11-16 11:51:10,850 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_cmd_trigger [2022-11-16 11:51:10,850 INFO L130 BoogieDeclarations]: Found specification of procedure ast_init_dvo [2022-11-16 11:51:10,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_init_dvo [2022-11-16 11:51:10,850 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_unreserve___0 [2022-11-16 11:51:10,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_unreserve___0 [2022-11-16 11:51:10,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-16 11:51:10,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-16 11:51:10,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-16 11:51:10,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-16 11:51:10,851 INFO L130 BoogieDeclarations]: Found specification of procedure __ww_mutex_lock [2022-11-16 11:51:10,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __ww_mutex_lock [2022-11-16 11:51:10,852 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_tt_populate [2022-11-16 11:51:10,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_tt_populate [2022-11-16 11:51:10,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_base_of_ww_mutex [2022-11-16 11:51:10,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_base_of_ww_mutex [2022-11-16 11:51:10,852 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_pin [2022-11-16 11:51:10,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_pin [2022-11-16 11:51:10,853 INFO L130 BoogieDeclarations]: Found specification of procedure ast_read32 [2022-11-16 11:51:10,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_read32 [2022-11-16 11:51:10,853 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-16 11:51:10,853 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-16 11:51:10,854 INFO L130 BoogieDeclarations]: Found specification of procedure ast_drm_thaw [2022-11-16 11:51:10,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_drm_thaw [2022-11-16 11:51:10,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_109 [2022-11-16 11:51:10,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_109 [2022-11-16 11:51:10,854 INFO L130 BoogieDeclarations]: Found specification of procedure ast_dirty_update [2022-11-16 11:51:10,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_dirty_update [2022-11-16 11:51:10,855 INFO L130 BoogieDeclarations]: Found specification of procedure ast_enable_vga [2022-11-16 11:51:10,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_enable_vga [2022-11-16 11:51:10,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-16 11:51:10,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-16 11:51:10,855 INFO L130 BoogieDeclarations]: Found specification of procedure ast_get_modes [2022-11-16 11:51:10,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_get_modes [2022-11-16 11:51:10,855 INFO L130 BoogieDeclarations]: Found specification of procedure drm_fb_helper_fini [2022-11-16 11:51:10,856 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_fb_helper_fini [2022-11-16 11:51:10,856 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kmap [2022-11-16 11:51:10,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kmap [2022-11-16 11:51:10,856 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_del_sub_from_lru [2022-11-16 11:51:10,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_del_sub_from_lru [2022-11-16 11:51:10,856 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_placement [2022-11-16 11:51:10,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_placement [2022-11-16 11:51:10,857 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_unless___0 [2022-11-16 11:51:10,857 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_unless___0 [2022-11-16 11:51:10,857 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pm_poweroff [2022-11-16 11:51:10,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pm_poweroff [2022-11-16 11:51:10,857 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_kunmap [2022-11-16 11:51:10,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_kunmap [2022-11-16 11:51:10,858 INFO L130 BoogieDeclarations]: Found specification of procedure ast_user_framebuffer_destroy [2022-11-16 11:51:10,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_user_framebuffer_destroy [2022-11-16 11:51:10,858 INFO L130 BoogieDeclarations]: Found specification of procedure send_ack [2022-11-16 11:51:10,858 INFO L138 BoogieDeclarations]: Found implementation of procedure send_ack [2022-11-16 11:51:10,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-16 11:51:10,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-16 11:51:10,859 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_disable [2022-11-16 11:51:10,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_disable [2022-11-16 11:51:10,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-16 11:51:10,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-16 11:51:10,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:51:10,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-16 11:51:10,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-16 11:51:10,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-16 11:51:10,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-16 11:51:10,860 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_mode_set_base [2022-11-16 11:51:10,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_mode_set_base [2022-11-16 11:51:10,860 INFO L130 BoogieDeclarations]: Found specification of procedure ast_io_read8 [2022-11-16 11:51:10,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_io_read8 [2022-11-16 11:51:10,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-16 11:51:10,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-16 11:51:10,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2022-11-16 11:51:10,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2022-11-16 11:51:10,861 INFO L130 BoogieDeclarations]: Found specification of procedure drm_fb_helper_debug_enter [2022-11-16 11:51:10,862 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_fb_helper_debug_enter [2022-11-16 11:51:10,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 11:51:10,862 INFO L130 BoogieDeclarations]: Found specification of procedure ast_post_gpu [2022-11-16 11:51:10,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_post_gpu [2022-11-16 11:51:10,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-16 11:51:10,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-16 11:51:10,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:51:10,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-16 11:51:10,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-16 11:51:10,863 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-16 11:51:10,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-16 11:51:10,863 INFO L130 BoogieDeclarations]: Found specification of procedure ast_fbdev_set_suspend [2022-11-16 11:51:10,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_fbdev_set_suspend [2022-11-16 11:51:10,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 11:51:10,864 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-16 11:51:10,864 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_add_to_lru [2022-11-16 11:51:10,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_add_to_lru [2022-11-16 11:51:10,864 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_burst2 [2022-11-16 11:51:10,865 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_burst2 [2022-11-16 11:51:10,865 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-16 11:51:10,865 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-16 11:51:10,865 INFO L130 BoogieDeclarations]: Found specification of procedure drm_read [2022-11-16 11:51:10,867 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_read [2022-11-16 11:51:10,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:51:10,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:51:10,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 11:51:10,867 INFO L130 BoogieDeclarations]: Found specification of procedure drm_fb_helper_debug_leave [2022-11-16 11:51:10,867 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_fb_helper_debug_leave [2022-11-16 11:51:10,868 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-16 11:51:10,868 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_prepare [2022-11-16 11:51:10,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_prepare [2022-11-16 11:51:10,868 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_prepare [2022-11-16 11:51:10,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_prepare [2022-11-16 11:51:10,868 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_reserve [2022-11-16 11:51:10,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_reserve [2022-11-16 11:51:10,868 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_unreference_unlocked [2022-11-16 11:51:10,868 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_unreference_unlocked [2022-11-16 11:51:10,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-16 11:51:10,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-16 11:51:10,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-16 11:51:10,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-16 11:51:10,869 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-16 11:51:10,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-16 11:51:10,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-16 11:51:10,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-16 11:51:10,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:51:10,870 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_free [2022-11-16 11:51:10,870 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_free [2022-11-16 11:51:10,870 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pm_thaw [2022-11-16 11:51:10,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pm_thaw [2022-11-16 11:51:10,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-16 11:51:10,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-16 11:51:10,870 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_release [2022-11-16 11:51:10,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_113 [2022-11-16 11:51:10,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_113 [2022-11-16 11:51:10,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 11:51:10,871 INFO L130 BoogieDeclarations]: Found specification of procedure ast_connector_destroy [2022-11-16 11:51:10,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_connector_destroy [2022-11-16 11:51:10,871 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_commit [2022-11-16 11:51:10,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_commit [2022-11-16 11:51:10,871 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-16 11:51:10,871 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-16 11:51:10,871 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_kmap_obj_virtual [2022-11-16 11:51:10,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_kmap_obj_virtual [2022-11-16 11:51:10,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-16 11:51:10,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-16 11:51:10,872 INFO L130 BoogieDeclarations]: Found specification of procedure ast_write32 [2022-11-16 11:51:10,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_write32 [2022-11-16 11:51:10,872 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_unreference_unlocked___0 [2022-11-16 11:51:10,872 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_unreference_unlocked___0 [2022-11-16 11:51:10,872 INFO L130 BoogieDeclarations]: Found specification of procedure __ttm_bo_unreserve [2022-11-16 11:51:10,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __ttm_bo_unreserve [2022-11-16 11:51:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-16 11:51:10,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-16 11:51:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-16 11:51:10,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-16 11:51:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo [2022-11-16 11:51:10,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo [2022-11-16 11:51:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-16 11:51:10,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-16 11:51:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_base_of_ww_mutex [2022-11-16 11:51:10,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_base_of_ww_mutex [2022-11-16 11:51:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:51:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure ast_moutdwm [2022-11-16 11:51:10,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_moutdwm [2022-11-16 11:51:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-16 11:51:10,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-16 11:51:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pm_suspend [2022-11-16 11:51:10,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pm_suspend [2022-11-16 11:51:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_108 [2022-11-16 11:51:10,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_108 [2022-11-16 11:51:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_ref [2022-11-16 11:51:10,875 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_ref [2022-11-16 11:51:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-16 11:51:10,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-16 11:51:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure wait_nack [2022-11-16 11:51:10,876 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_nack [2022-11-16 11:51:10,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-16 11:51:10,876 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-16 11:51:10,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 11:51:10,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 11:51:10,876 INFO L130 BoogieDeclarations]: Found specification of procedure ast_drm_freeze [2022-11-16 11:51:10,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_drm_freeze [2022-11-16 11:51:10,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-16 11:51:10,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-16 11:51:10,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-16 11:51:10,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-16 11:51:10,877 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_dp501_video_output [2022-11-16 11:51:10,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_dp501_video_output [2022-11-16 11:51:10,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-16 11:51:10,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-16 11:51:10,877 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-11-16 11:51:10,878 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-11-16 11:51:10,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-16 11:51:10,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-16 11:51:10,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-16 11:51:10,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-16 11:51:10,878 INFO L130 BoogieDeclarations]: Found specification of procedure cbr_dll2 [2022-11-16 11:51:10,878 INFO L138 BoogieDeclarations]: Found implementation of procedure cbr_dll2 [2022-11-16 11:51:10,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2022-11-16 11:51:10,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2022-11-16 11:51:10,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:51:10,879 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_index_reg_mask [2022-11-16 11:51:10,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_index_reg_mask [2022-11-16 11:51:10,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_trylock_base_of_ww_mutex [2022-11-16 11:51:10,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_trylock_base_of_ww_mutex [2022-11-16 11:51:10,879 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_load_lut [2022-11-16 11:51:10,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_load_lut [2022-11-16 11:51:10,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-16 11:51:10,880 INFO L130 BoogieDeclarations]: Found specification of procedure ast_mindwm [2022-11-16 11:51:10,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_mindwm [2022-11-16 11:51:10,880 INFO L130 BoogieDeclarations]: Found specification of procedure drm_global_item_unref [2022-11-16 11:51:10,880 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_global_item_unref [2022-11-16 11:51:10,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 11:51:10,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-16 11:51:10,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-16 11:51:10,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-16 11:51:10,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-16 11:51:10,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-16 11:51:10,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-16 11:51:10,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-16 11:51:10,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-16 11:51:10,881 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-11-16 11:51:10,881 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-11-16 11:51:10,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-16 11:51:10,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-16 11:51:10,882 INFO L130 BoogieDeclarations]: Found specification of procedure get_fw_base [2022-11-16 11:51:10,882 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fw_base [2022-11-16 11:51:10,882 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 11:51:10,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 11:51:10,882 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-16 11:51:10,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-16 11:51:10,882 INFO L130 BoogieDeclarations]: Found specification of procedure ast_framebuffer_init [2022-11-16 11:51:10,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_framebuffer_init [2022-11-16 11:51:10,883 INFO L130 BoogieDeclarations]: Found specification of procedure ast_open_key [2022-11-16 11:51:10,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_open_key [2022-11-16 11:51:10,883 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_validate [2022-11-16 11:51:10,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ttm_bo_validate [2022-11-16 11:51:10,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-16 11:51:10,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-16 11:51:10,883 INFO L130 BoogieDeclarations]: Found specification of procedure ast_driver_unload [2022-11-16 11:51:10,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_driver_unload [2022-11-16 11:51:10,883 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_unreserve [2022-11-16 11:51:10,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_unreserve [2022-11-16 11:51:10,884 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-16 11:51:10,884 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-16 11:51:10,884 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-11-16 11:51:10,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-16 11:51:10,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-16 11:51:10,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-16 11:51:10,884 INFO L130 BoogieDeclarations]: Found specification of procedure send_nack [2022-11-16 11:51:10,885 INFO L138 BoogieDeclarations]: Found implementation of procedure send_nack [2022-11-16 11:51:10,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-16 11:51:10,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-16 11:51:10,885 INFO L130 BoogieDeclarations]: Found specification of procedure ast_enable_mmio [2022-11-16 11:51:10,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_enable_mmio [2022-11-16 11:51:10,885 INFO L130 BoogieDeclarations]: Found specification of procedure ast_get_index_reg_mask [2022-11-16 11:51:10,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_get_index_reg_mask [2022-11-16 11:51:10,885 INFO L130 BoogieDeclarations]: Found specification of procedure ast_gem_create [2022-11-16 11:51:10,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_gem_create [2022-11-16 11:51:10,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_struct_mutex_of_drm_device [2022-11-16 11:51:10,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_struct_mutex_of_drm_device [2022-11-16 11:51:10,886 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-16 11:51:10,886 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-16 11:51:10,886 INFO L130 BoogieDeclarations]: Found specification of procedure drm_fb_helper_set_par [2022-11-16 11:51:10,886 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_fb_helper_set_par [2022-11-16 11:51:10,886 INFO L130 BoogieDeclarations]: Found specification of procedure __ww_mutex_lock_interruptible [2022-11-16 11:51:10,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __ww_mutex_lock_interruptible [2022-11-16 11:51:10,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 11:51:10,887 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-16 11:51:10,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-16 11:51:10,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-16 11:51:10,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-16 11:51:10,887 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pm_resume [2022-11-16 11:51:10,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pm_resume [2022-11-16 11:51:10,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-16 11:51:10,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-16 11:51:10,888 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_init [2022-11-16 11:51:10,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-16 11:51:10,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-16 11:51:10,888 INFO L130 BoogieDeclarations]: Found specification of procedure ast_io_write8 [2022-11-16 11:51:10,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_io_write8 [2022-11-16 11:51:10,888 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_destroy [2022-11-16 11:51:10,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_destroy [2022-11-16 11:51:10,888 INFO L130 BoogieDeclarations]: Found specification of procedure ast_bo_gpu_offset [2022-11-16 11:51:10,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_bo_gpu_offset [2022-11-16 11:51:10,889 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_reset [2022-11-16 11:51:10,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_reset [2022-11-16 11:51:10,889 INFO L130 BoogieDeclarations]: Found specification of procedure ast_gem_free_object [2022-11-16 11:51:10,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_gem_free_object [2022-11-16 11:51:10,889 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_backend_destroy [2022-11-16 11:51:10,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_backend_destroy [2022-11-16 11:51:10,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-16 11:51:10,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-16 11:51:10,890 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pci_remove [2022-11-16 11:51:10,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pci_remove [2022-11-16 11:51:10,890 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_single2 [2022-11-16 11:51:10,890 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_single2 [2022-11-16 11:51:10,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-16 11:51:10,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-16 11:51:10,890 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-16 11:51:10,890 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-16 11:51:10,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-16 11:51:10,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-16 11:51:10,891 INFO L130 BoogieDeclarations]: Found specification of procedure ast_set_index_reg [2022-11-16 11:51:10,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_set_index_reg [2022-11-16 11:51:10,891 INFO L130 BoogieDeclarations]: Found specification of procedure cbrdlli_ast2150 [2022-11-16 11:51:10,891 INFO L138 BoogieDeclarations]: Found implementation of procedure cbrdlli_ast2150 [2022-11-16 11:51:10,891 INFO L130 BoogieDeclarations]: Found specification of procedure drm_framebuffer_cleanup [2022-11-16 11:51:10,891 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_framebuffer_cleanup [2022-11-16 11:51:10,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-16 11:51:10,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-16 11:51:10,892 INFO L130 BoogieDeclarations]: Found specification of procedure ast_encoder_commit [2022-11-16 11:51:10,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_encoder_commit [2022-11-16 11:51:10,892 INFO L130 BoogieDeclarations]: Found specification of procedure ast_pm_freeze [2022-11-16 11:51:10,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_pm_freeze [2022-11-16 11:51:10,892 INFO L130 BoogieDeclarations]: Found specification of procedure drm_crtc_helper_set_config [2022-11-16 11:51:10,892 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_crtc_helper_set_config [2022-11-16 11:51:10,892 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2022-11-16 11:51:10,893 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2022-11-16 11:51:10,893 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2022-11-16 11:51:10,893 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2022-11-16 11:51:10,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-16 11:51:10,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-16 11:51:10,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-16 11:51:10,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-16 11:51:10,893 INFO L130 BoogieDeclarations]: Found specification of procedure drm_mode_connector_update_edid_property [2022-11-16 11:51:10,893 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_mode_connector_update_edid_property [2022-11-16 11:51:10,894 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-16 11:51:10,894 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-16 11:51:10,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_struct_mutex_of_drm_device [2022-11-16 11:51:10,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_struct_mutex_of_drm_device [2022-11-16 11:51:10,894 INFO L130 BoogieDeclarations]: Found specification of procedure ast_ttm_tt_unpopulate [2022-11-16 11:51:10,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_ttm_tt_unpopulate [2022-11-16 11:51:10,894 INFO L130 BoogieDeclarations]: Found specification of procedure drm_gem_object_lookup [2022-11-16 11:51:10,894 INFO L138 BoogieDeclarations]: Found implementation of procedure drm_gem_object_lookup [2022-11-16 11:51:10,894 INFO L130 BoogieDeclarations]: Found specification of procedure ast_crtc_destroy [2022-11-16 11:51:10,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ast_crtc_destroy [2022-11-16 11:51:10,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:51:12,579 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:51:12,588 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:51:12,891 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-16 11:51:29,932 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:51:29,969 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:51:29,969 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-11-16 11:51:29,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:51:29 BoogieIcfgContainer [2022-11-16 11:51:29,978 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:51:29,982 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:51:29,982 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:51:29,986 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:51:29,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:50:59" (1/3) ... [2022-11-16 11:51:29,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a185b58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:51:29, skipping insertion in model container [2022-11-16 11:51:29,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:51:09" (2/3) ... [2022-11-16 11:51:29,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a185b58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:51:29, skipping insertion in model container [2022-11-16 11:51:29,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:51:29" (3/3) ... [2022-11-16 11:51:30,001 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--gpu--drm--ast--ast.ko.cil.i [2022-11-16 11:51:30,033 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:51:30,034 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-11-16 11:51:30,150 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:51:30,156 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;@2b55042, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:51:30,157 INFO L358 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2022-11-16 11:51:30,174 INFO L276 IsEmpty]: Start isEmpty. Operand has 3986 states, 2785 states have (on average 1.3680430879712746) internal successors, (3810), 2917 states have internal predecessors, (3810), 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) [2022-11-16 11:51:30,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-16 11:51:30,183 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:51:30,184 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] [2022-11-16 11:51:30,184 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)] === [2022-11-16 11:51:30,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:51:30,190 INFO L85 PathProgramCache]: Analyzing trace with hash 501654044, now seen corresponding path program 1 times [2022-11-16 11:51:30,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:51:30,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090711416] [2022-11-16 11:51:30,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:51:30,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:51:30,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:31,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:51:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:31,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:51:31,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:32,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:51:32,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:32,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:51:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:32,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:51:32,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:32,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 11:51:32,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:32,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:51:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:32,138 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 11:51:32,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:51:32,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090711416] [2022-11-16 11:51:32,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090711416] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:51:32,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:51:32,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:51:32,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584016467] [2022-11-16 11:51:32,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:51:32,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:51:32,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:51:32,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:51:32,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:51:32,200 INFO L87 Difference]: Start difference. First operand has 3986 states, 2785 states have (on average 1.3680430879712746) internal successors, (3810), 2917 states have internal predecessors, (3810), 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) [2022-11-16 11:51:52,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:51:55,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:52:02,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:52:02,901 INFO L93 Difference]: Finished difference Result 7896 states and 11696 transitions. [2022-11-16 11:52:02,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:52:02,903 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 [2022-11-16 11:52:02,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:52:02,944 INFO L225 Difference]: With dead ends: 7896 [2022-11-16 11:52:02,945 INFO L226 Difference]: Without dead ends: 3924 [2022-11-16 11:52:02,971 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 [2022-11-16 11:52:02,973 INFO L413 NwaCegarLoop]: 2378 mSDtfsCounter, 8437 mSDsluCounter, 4989 mSDsCounter, 0 mSdLazyCounter, 7913 mSolverCounterSat, 4326 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8854 SdHoareTripleChecker+Valid, 7367 SdHoareTripleChecker+Invalid, 12239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4326 IncrementalHoareTripleChecker+Valid, 7913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.6s IncrementalHoareTripleChecker+Time [2022-11-16 11:52:02,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8854 Valid, 7367 Invalid, 12239 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4326 Valid, 7913 Invalid, 0 Unknown, 0 Unchecked, 29.6s Time] [2022-11-16 11:52:02,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3924 states. [2022-11-16 11:52:03,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3924 to 3924. [2022-11-16 11:52:03,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3924 states, 2740 states have (on average 1.3375912408759123) internal successors, (3665), 2859 states have internal predecessors, (3665), 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) [2022-11-16 11:52:03,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3924 states to 3924 states and 5661 transitions. [2022-11-16 11:52:03,483 INFO L78 Accepts]: Start accepts. Automaton has 3924 states and 5661 transitions. Word has length 51 [2022-11-16 11:52:03,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:52:03,490 INFO L495 AbstractCegarLoop]: Abstraction has 3924 states and 5661 transitions. [2022-11-16 11:52:03,490 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) [2022-11-16 11:52:03,490 INFO L276 IsEmpty]: Start isEmpty. Operand 3924 states and 5661 transitions. [2022-11-16 11:52:03,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-16 11:52:03,494 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:52:03,495 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] [2022-11-16 11:52:03,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:52:03,495 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)] === [2022-11-16 11:52:03,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:52:03,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1413821873, now seen corresponding path program 1 times [2022-11-16 11:52:03,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:52:03,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6698970] [2022-11-16 11:52:03,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:52:03,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:52:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:52:04,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:52:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:52:04,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:52:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:52:04,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:52:04,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:52:04,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:52:04,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:52:04,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:52:04,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:52:04,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 11:52:04,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:52:04,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:52:04,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:52:04,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:52:04,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:52:04,603 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 11:52:04,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:52:04,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6698970] [2022-11-16 11:52:04,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6698970] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:52:04,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:52:04,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:52:04,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299988750] [2022-11-16 11:52:04,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:52:04,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:52:04,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:52:04,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:52:04,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:52:04,608 INFO L87 Difference]: Start difference. First operand 3924 states and 5661 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) [2022-11-16 11:52:18,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:52:24,498 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 [] [2022-11-16 11:52:34,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:52:34,360 INFO L93 Difference]: Finished difference Result 3924 states and 5661 transitions. [2022-11-16 11:52:34,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:52:34,361 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 [2022-11-16 11:52:34,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:52:34,385 INFO L225 Difference]: With dead ends: 3924 [2022-11-16 11:52:34,385 INFO L226 Difference]: Without dead ends: 3922 [2022-11-16 11:52:34,388 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 [2022-11-16 11:52:34,389 INFO L413 NwaCegarLoop]: 2348 mSDtfsCounter, 8385 mSDsluCounter, 4933 mSDsCounter, 0 mSdLazyCounter, 7891 mSolverCounterSat, 4298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8799 SdHoareTripleChecker+Valid, 7281 SdHoareTripleChecker+Invalid, 12189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:52:34,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8799 Valid, 7281 Invalid, 12189 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7891 Invalid, 0 Unknown, 0 Unchecked, 29.0s Time] [2022-11-16 11:52:34,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3922 states. [2022-11-16 11:52:34,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3922 to 3922. [2022-11-16 11:52:34,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3922 states, 2739 states have (on average 1.3373493975903614) internal successors, (3663), 2857 states have internal predecessors, (3663), 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) [2022-11-16 11:52:34,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3922 states to 3922 states and 5659 transitions. [2022-11-16 11:52:34,657 INFO L78 Accepts]: Start accepts. Automaton has 3922 states and 5659 transitions. Word has length 57 [2022-11-16 11:52:34,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:52:34,658 INFO L495 AbstractCegarLoop]: Abstraction has 3922 states and 5659 transitions. [2022-11-16 11:52:34,658 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) [2022-11-16 11:52:34,658 INFO L276 IsEmpty]: Start isEmpty. Operand 3922 states and 5659 transitions. [2022-11-16 11:52:34,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-16 11:52:34,664 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:52:34,664 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] [2022-11-16 11:52:34,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:52:34,665 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)] === [2022-11-16 11:52:34,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:52:34,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1625348632, now seen corresponding path program 1 times [2022-11-16 11:52:34,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:52:34,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610248549] [2022-11-16 11:52:34,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:52:34,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:52:34,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:52:35,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:52:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:52:35,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:52:35,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:52:35,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:52:35,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:52:35,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:52:35,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:52:35,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:52:35,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:52:35,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 11:52:35,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:52:35,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:52:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:52:35,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:52:35,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:52:35,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-16 11:52:35,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:52:35,686 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 11:52:35,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:52:35,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610248549] [2022-11-16 11:52:35,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610248549] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:52:35,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:52:35,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:52:35,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053238305] [2022-11-16 11:52:35,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:52:35,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:52:35,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:52:35,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:52:35,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:52:35,689 INFO L87 Difference]: Start difference. First operand 3922 states and 5659 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) [2022-11-16 11:52:45,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:52:49,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:52:56,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:52:58,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:53:05,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:53:05,141 INFO L93 Difference]: Finished difference Result 3922 states and 5659 transitions. [2022-11-16 11:53:05,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:53:05,142 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 [2022-11-16 11:53:05,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:53:05,165 INFO L225 Difference]: With dead ends: 3922 [2022-11-16 11:53:05,166 INFO L226 Difference]: Without dead ends: 3920 [2022-11-16 11:53:05,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:53:05,169 INFO L413 NwaCegarLoop]: 2348 mSDtfsCounter, 8379 mSDsluCounter, 4933 mSDsCounter, 0 mSdLazyCounter, 7887 mSolverCounterSat, 4298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8792 SdHoareTripleChecker+Valid, 7281 SdHoareTripleChecker+Invalid, 12185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7887 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.9s IncrementalHoareTripleChecker+Time [2022-11-16 11:53:05,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8792 Valid, 7281 Invalid, 12185 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7887 Invalid, 0 Unknown, 0 Unchecked, 28.9s Time] [2022-11-16 11:53:05,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3920 states. [2022-11-16 11:53:05,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3920 to 3920. [2022-11-16 11:53:05,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3920 states, 2738 states have (on average 1.337107377647918) internal successors, (3661), 2855 states have internal predecessors, (3661), 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) [2022-11-16 11:53:05,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 3920 states and 5657 transitions. [2022-11-16 11:53:05,434 INFO L78 Accepts]: Start accepts. Automaton has 3920 states and 5657 transitions. Word has length 63 [2022-11-16 11:53:05,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:53:05,435 INFO L495 AbstractCegarLoop]: Abstraction has 3920 states and 5657 transitions. [2022-11-16 11:53:05,435 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) [2022-11-16 11:53:05,435 INFO L276 IsEmpty]: Start isEmpty. Operand 3920 states and 5657 transitions. [2022-11-16 11:53:05,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-16 11:53:05,437 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:53:05,437 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] [2022-11-16 11:53:05,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:53:05,437 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)] === [2022-11-16 11:53:05,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:53:05,438 INFO L85 PathProgramCache]: Analyzing trace with hash 380864316, now seen corresponding path program 1 times [2022-11-16 11:53:05,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:53:05,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342701900] [2022-11-16 11:53:05,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:53:05,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:53:05,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:06,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:53:06,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:06,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:53:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:06,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:53:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:06,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:53:06,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:06,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:53:06,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:06,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 11:53:06,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:06,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:53:06,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:06,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:53:06,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:06,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-16 11:53:06,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:06,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-16 11:53:06,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:06,543 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 11:53:06,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:53:06,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342701900] [2022-11-16 11:53:06,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342701900] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:53:06,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:53:06,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:53:06,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947595140] [2022-11-16 11:53:06,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:53:06,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:53:06,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:53:06,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:53:06,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:53:06,545 INFO L87 Difference]: Start difference. First operand 3920 states and 5657 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) [2022-11-16 11:53:19,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:53:27,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:53:29,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:53:35,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:53:35,683 INFO L93 Difference]: Finished difference Result 3920 states and 5657 transitions. [2022-11-16 11:53:35,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:53:35,684 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 [2022-11-16 11:53:35,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:53:35,709 INFO L225 Difference]: With dead ends: 3920 [2022-11-16 11:53:35,709 INFO L226 Difference]: Without dead ends: 3918 [2022-11-16 11:53:35,712 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 [2022-11-16 11:53:35,714 INFO L413 NwaCegarLoop]: 2348 mSDtfsCounter, 8373 mSDsluCounter, 4933 mSDsCounter, 0 mSdLazyCounter, 7883 mSolverCounterSat, 4298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8785 SdHoareTripleChecker+Valid, 7281 SdHoareTripleChecker+Invalid, 12181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.5s IncrementalHoareTripleChecker+Time [2022-11-16 11:53:35,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8785 Valid, 7281 Invalid, 12181 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7883 Invalid, 0 Unknown, 0 Unchecked, 28.5s Time] [2022-11-16 11:53:35,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3918 states. [2022-11-16 11:53:35,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3918 to 3918. [2022-11-16 11:53:36,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3918 states, 2737 states have (on average 1.3368651808549508) internal successors, (3659), 2853 states have internal predecessors, (3659), 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) [2022-11-16 11:53:36,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3918 states to 3918 states and 5655 transitions. [2022-11-16 11:53:36,035 INFO L78 Accepts]: Start accepts. Automaton has 3918 states and 5655 transitions. Word has length 69 [2022-11-16 11:53:36,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:53:36,038 INFO L495 AbstractCegarLoop]: Abstraction has 3918 states and 5655 transitions. [2022-11-16 11:53:36,039 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) [2022-11-16 11:53:36,039 INFO L276 IsEmpty]: Start isEmpty. Operand 3918 states and 5655 transitions. [2022-11-16 11:53:36,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-16 11:53:36,047 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:53:36,047 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] [2022-11-16 11:53:36,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:53:36,047 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)] === [2022-11-16 11:53:36,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:53:36,048 INFO L85 PathProgramCache]: Analyzing trace with hash 926197475, now seen corresponding path program 1 times [2022-11-16 11:53:36,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:53:36,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055064555] [2022-11-16 11:53:36,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:53:36,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:53:36,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:36,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:53:36,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:36,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:53:36,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:36,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:53:36,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:36,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:53:36,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:36,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:53:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:36,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 11:53:36,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:36,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:53:36,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:36,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:53:36,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:36,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-16 11:53:36,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:37,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-16 11:53:37,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:37,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-16 11:53:37,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:53:37,034 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 11:53:37,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:53:37,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055064555] [2022-11-16 11:53:37,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055064555] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:53:37,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:53:37,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:53:37,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414176329] [2022-11-16 11:53:37,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:53:37,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:53:37,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:53:37,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:53:37,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:53:37,037 INFO L87 Difference]: Start difference. First operand 3918 states and 5655 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) [2022-11-16 11:53:53,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:54:05,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:54:05,582 INFO L93 Difference]: Finished difference Result 3918 states and 5655 transitions. [2022-11-16 11:54:05,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:54:05,583 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 [2022-11-16 11:54:05,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:54:05,606 INFO L225 Difference]: With dead ends: 3918 [2022-11-16 11:54:05,607 INFO L226 Difference]: Without dead ends: 3916 [2022-11-16 11:54:05,609 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 [2022-11-16 11:54:05,610 INFO L413 NwaCegarLoop]: 2348 mSDtfsCounter, 8367 mSDsluCounter, 4933 mSDsCounter, 0 mSdLazyCounter, 7879 mSolverCounterSat, 4298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8778 SdHoareTripleChecker+Valid, 7281 SdHoareTripleChecker+Invalid, 12177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.9s IncrementalHoareTripleChecker+Time [2022-11-16 11:54:05,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8778 Valid, 7281 Invalid, 12177 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7879 Invalid, 0 Unknown, 0 Unchecked, 27.9s Time] [2022-11-16 11:54:05,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3916 states. [2022-11-16 11:54:05,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3916 to 3916. [2022-11-16 11:54:05,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3916 states, 2736 states have (on average 1.3366228070175439) internal successors, (3657), 2851 states have internal predecessors, (3657), 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) [2022-11-16 11:54:05,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3916 states to 3916 states and 5653 transitions. [2022-11-16 11:54:05,967 INFO L78 Accepts]: Start accepts. Automaton has 3916 states and 5653 transitions. Word has length 75 [2022-11-16 11:54:05,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:54:05,968 INFO L495 AbstractCegarLoop]: Abstraction has 3916 states and 5653 transitions. [2022-11-16 11:54:05,968 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) [2022-11-16 11:54:05,968 INFO L276 IsEmpty]: Start isEmpty. Operand 3916 states and 5653 transitions. [2022-11-16 11:54:05,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-16 11:54:05,969 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:54:05,970 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] [2022-11-16 11:54:05,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:54:05,971 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)] === [2022-11-16 11:54:05,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:54:05,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1621612068, now seen corresponding path program 1 times [2022-11-16 11:54:05,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:54:05,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179045156] [2022-11-16 11:54:05,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:54:05,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:54:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:06,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:54:06,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:06,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:54:06,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:06,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:54:06,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:06,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:54:06,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:06,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:54:06,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:06,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 11:54:06,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:06,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:54:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:06,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:54:06,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:06,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-16 11:54:06,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:06,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-16 11:54:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:06,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-16 11:54:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:06,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 11:54:06,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:06,840 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 11:54:06,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:54:06,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179045156] [2022-11-16 11:54:06,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179045156] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:54:06,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:54:06,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:54:06,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187838655] [2022-11-16 11:54:06,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:54:06,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:54:06,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:54:06,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:54:06,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:54:06,843 INFO L87 Difference]: Start difference. First operand 3916 states and 5653 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) [2022-11-16 11:54:27,651 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 [] [2022-11-16 11:54:35,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:54:35,139 INFO L93 Difference]: Finished difference Result 3916 states and 5653 transitions. [2022-11-16 11:54:35,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:54:35,140 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 [2022-11-16 11:54:35,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:54:35,157 INFO L225 Difference]: With dead ends: 3916 [2022-11-16 11:54:35,157 INFO L226 Difference]: Without dead ends: 3914 [2022-11-16 11:54:35,159 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 [2022-11-16 11:54:35,160 INFO L413 NwaCegarLoop]: 2348 mSDtfsCounter, 8361 mSDsluCounter, 4933 mSDsCounter, 0 mSdLazyCounter, 7875 mSolverCounterSat, 4298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8771 SdHoareTripleChecker+Valid, 7281 SdHoareTripleChecker+Invalid, 12173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.6s IncrementalHoareTripleChecker+Time [2022-11-16 11:54:35,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8771 Valid, 7281 Invalid, 12173 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7875 Invalid, 0 Unknown, 0 Unchecked, 27.6s Time] [2022-11-16 11:54:35,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3914 states. [2022-11-16 11:54:35,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3914 to 3914. [2022-11-16 11:54:35,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3914 states, 2735 states have (on average 1.336380255941499) internal successors, (3655), 2849 states have internal predecessors, (3655), 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) [2022-11-16 11:54:35,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3914 states to 3914 states and 5651 transitions. [2022-11-16 11:54:35,483 INFO L78 Accepts]: Start accepts. Automaton has 3914 states and 5651 transitions. Word has length 81 [2022-11-16 11:54:35,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:54:35,484 INFO L495 AbstractCegarLoop]: Abstraction has 3914 states and 5651 transitions. [2022-11-16 11:54:35,484 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) [2022-11-16 11:54:35,484 INFO L276 IsEmpty]: Start isEmpty. Operand 3914 states and 5651 transitions. [2022-11-16 11:54:35,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-16 11:54:35,491 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:54:35,491 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] [2022-11-16 11:54:35,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 11:54:35,491 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)] === [2022-11-16 11:54:35,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:54:35,492 INFO L85 PathProgramCache]: Analyzing trace with hash -110506011, now seen corresponding path program 1 times [2022-11-16 11:54:35,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:54:35,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704831578] [2022-11-16 11:54:35,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:54:35,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:54:35,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:36,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:54:36,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:36,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:54:36,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:36,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:54:36,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:36,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:54:36,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:36,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:54:36,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:36,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 11:54:36,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:36,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:54:36,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:36,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:54:36,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:36,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-16 11:54:36,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:36,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-16 11:54:36,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:36,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-16 11:54:36,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:36,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 11:54:36,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:36,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-16 11:54:36,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:54:36,261 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 11:54:36,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:54:36,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704831578] [2022-11-16 11:54:36,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704831578] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:54:36,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:54:36,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:54:36,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040243587] [2022-11-16 11:54:36,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:54:36,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:54:36,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:54:36,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:54:36,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:54:36,264 INFO L87 Difference]: Start difference. First operand 3914 states and 5651 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) [2022-11-16 11:54:45,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:54:48,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:54:50,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:54:53,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:55:02,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:55:07,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:55:07,273 INFO L93 Difference]: Finished difference Result 3914 states and 5651 transitions. [2022-11-16 11:55:07,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:55:07,274 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 [2022-11-16 11:55:07,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:55:07,293 INFO L225 Difference]: With dead ends: 3914 [2022-11-16 11:55:07,294 INFO L226 Difference]: Without dead ends: 3912 [2022-11-16 11:55:07,296 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 [2022-11-16 11:55:07,297 INFO L413 NwaCegarLoop]: 2348 mSDtfsCounter, 8355 mSDsluCounter, 4933 mSDsCounter, 0 mSdLazyCounter, 7871 mSolverCounterSat, 4298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8764 SdHoareTripleChecker+Valid, 7281 SdHoareTripleChecker+Invalid, 12169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7871 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.4s IncrementalHoareTripleChecker+Time [2022-11-16 11:55:07,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8764 Valid, 7281 Invalid, 12169 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7871 Invalid, 0 Unknown, 0 Unchecked, 30.4s Time] [2022-11-16 11:55:07,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3912 states. [2022-11-16 11:55:07,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3912 to 3912. [2022-11-16 11:55:07,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3912 states, 2734 states have (on average 1.3361375274323335) internal successors, (3653), 2847 states have internal predecessors, (3653), 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) [2022-11-16 11:55:07,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3912 states to 3912 states and 5649 transitions. [2022-11-16 11:55:07,584 INFO L78 Accepts]: Start accepts. Automaton has 3912 states and 5649 transitions. Word has length 87 [2022-11-16 11:55:07,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:55:07,585 INFO L495 AbstractCegarLoop]: Abstraction has 3912 states and 5649 transitions. [2022-11-16 11:55:07,585 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) [2022-11-16 11:55:07,585 INFO L276 IsEmpty]: Start isEmpty. Operand 3912 states and 5649 transitions. [2022-11-16 11:55:07,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-16 11:55:07,587 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:55:07,587 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] [2022-11-16 11:55:07,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 11:55:07,587 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)] === [2022-11-16 11:55:07,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:55:07,588 INFO L85 PathProgramCache]: Analyzing trace with hash -680166645, now seen corresponding path program 1 times [2022-11-16 11:55:07,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:55:07,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862436938] [2022-11-16 11:55:07,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:55:07,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:55:07,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:55:08,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:55:08,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:55:08,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:55:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:55:08,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:55:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:55:08,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:55:08,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:55:08,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:55:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:55:08,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 11:55:08,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:55:08,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:55:08,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:55:08,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:55:08,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:55:08,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-16 11:55:08,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:55:08,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-16 11:55:08,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:55:08,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-16 11:55:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:55:08,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 11:55:08,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:55:08,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-16 11:55:08,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:55:08,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-16 11:55:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:55:08,473 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 11:55:08,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:55:08,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862436938] [2022-11-16 11:55:08,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862436938] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:55:08,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:55:08,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:55:08,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24169844] [2022-11-16 11:55:08,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:55:08,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:55:08,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:55:08,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:55:08,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:55:08,476 INFO L87 Difference]: Start difference. First operand 3912 states and 5649 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) [2022-11-16 11:55:31,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:55:37,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:55:37,280 INFO L93 Difference]: Finished difference Result 3912 states and 5649 transitions. [2022-11-16 11:55:37,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:55:37,324 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 [2022-11-16 11:55:37,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:55:37,340 INFO L225 Difference]: With dead ends: 3912 [2022-11-16 11:55:37,340 INFO L226 Difference]: Without dead ends: 3910 [2022-11-16 11:55:37,342 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 [2022-11-16 11:55:37,342 INFO L413 NwaCegarLoop]: 2348 mSDtfsCounter, 8353 mSDsluCounter, 4933 mSDsCounter, 0 mSdLazyCounter, 7863 mSolverCounterSat, 4298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8761 SdHoareTripleChecker+Valid, 7281 SdHoareTripleChecker+Invalid, 12161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7863 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:55:37,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8761 Valid, 7281 Invalid, 12161 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7863 Invalid, 0 Unknown, 0 Unchecked, 28.1s Time] [2022-11-16 11:55:37,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3910 states. [2022-11-16 11:55:37,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3910 to 3910. [2022-11-16 11:55:37,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3910 states, 2733 states have (on average 1.3358946212952798) internal successors, (3651), 2845 states have internal predecessors, (3651), 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) [2022-11-16 11:55:37,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3910 states to 3910 states and 5647 transitions. [2022-11-16 11:55:37,689 INFO L78 Accepts]: Start accepts. Automaton has 3910 states and 5647 transitions. Word has length 93 [2022-11-16 11:55:37,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:55:37,690 INFO L495 AbstractCegarLoop]: Abstraction has 3910 states and 5647 transitions. [2022-11-16 11:55:37,690 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) [2022-11-16 11:55:37,691 INFO L276 IsEmpty]: Start isEmpty. Operand 3910 states and 5647 transitions. [2022-11-16 11:55:37,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-16 11:55:37,692 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:55:37,692 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] [2022-11-16 11:55:37,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 11:55:37,693 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)] === [2022-11-16 11:55:37,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:55:37,693 INFO L85 PathProgramCache]: Analyzing trace with hash -804968850, now seen corresponding path program 1 times [2022-11-16 11:55:37,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:55:37,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868726854] [2022-11-16 11:55:37,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:55:37,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:55:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:55:38,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:55:38,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:55:38,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:55:38,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:55:38,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:55:38,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:55:38,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:55:38,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:55:38,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:55:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:55:38,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 11:55:38,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:55:38,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:55:38,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:55:38,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:55:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:55:38,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-16 11:55:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:55:38,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-16 11:55:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:55:38,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-16 11:55:38,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:55:38,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 11:55:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:55:38,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-16 11:55:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:55:38,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-16 11:55:38,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:55:38,581 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 11:55:38,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:55:38,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868726854] [2022-11-16 11:55:38,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868726854] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:55:38,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:55:38,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:55:38,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204670953] [2022-11-16 11:55:38,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:55:38,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:55:38,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:55:38,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:55:38,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:55:38,584 INFO L87 Difference]: Start difference. First operand 3910 states and 5647 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) [2022-11-16 11:55:53,232 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 [] [2022-11-16 11:56:06,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:56:06,230 INFO L93 Difference]: Finished difference Result 3910 states and 5647 transitions. [2022-11-16 11:56:06,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:56:06,231 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 [2022-11-16 11:56:06,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:56:06,253 INFO L225 Difference]: With dead ends: 3910 [2022-11-16 11:56:06,253 INFO L226 Difference]: Without dead ends: 3908 [2022-11-16 11:56:06,256 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 [2022-11-16 11:56:06,259 INFO L413 NwaCegarLoop]: 2348 mSDtfsCounter, 8341 mSDsluCounter, 4933 mSDsCounter, 0 mSdLazyCounter, 7863 mSolverCounterSat, 4298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8749 SdHoareTripleChecker+Valid, 7281 SdHoareTripleChecker+Invalid, 12161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7863 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.9s IncrementalHoareTripleChecker+Time [2022-11-16 11:56:06,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8749 Valid, 7281 Invalid, 12161 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7863 Invalid, 0 Unknown, 0 Unchecked, 26.9s Time] [2022-11-16 11:56:06,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3908 states. [2022-11-16 11:56:06,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3908 to 3908. [2022-11-16 11:56:06,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3908 states, 2732 states have (on average 1.3356515373352855) internal successors, (3649), 2843 states have internal predecessors, (3649), 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) [2022-11-16 11:56:06,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3908 states to 3908 states and 5645 transitions. [2022-11-16 11:56:06,686 INFO L78 Accepts]: Start accepts. Automaton has 3908 states and 5645 transitions. Word has length 95 [2022-11-16 11:56:06,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:56:06,686 INFO L495 AbstractCegarLoop]: Abstraction has 3908 states and 5645 transitions. [2022-11-16 11:56:06,687 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) [2022-11-16 11:56:06,687 INFO L276 IsEmpty]: Start isEmpty. Operand 3908 states and 5645 transitions. [2022-11-16 11:56:06,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-16 11:56:06,688 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:56:06,689 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] [2022-11-16 11:56:06,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 11:56:06,689 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)] === [2022-11-16 11:56:06,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:56:06,690 INFO L85 PathProgramCache]: Analyzing trace with hash -531704698, now seen corresponding path program 1 times [2022-11-16 11:56:06,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:56:06,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149699774] [2022-11-16 11:56:06,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:56:06,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:56:06,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:07,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:56:07,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:07,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:56:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:07,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:56:07,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:07,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:56:07,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:07,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:56:07,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:07,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 11:56:07,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:07,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:56:07,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:07,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:56:07,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:07,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-16 11:56:07,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:07,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-16 11:56:07,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:07,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-16 11:56:07,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:07,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 11:56:07,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:07,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-16 11:56:07,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:07,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-16 11:56:07,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:07,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-16 11:56:07,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:07,569 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 11:56:07,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:56:07,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149699774] [2022-11-16 11:56:07,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149699774] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:56:07,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:56:07,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:56:07,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579589572] [2022-11-16 11:56:07,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:56:07,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:56:07,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:56:07,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:56:07,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:56:07,572 INFO L87 Difference]: Start difference. First operand 3908 states and 5645 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) [2022-11-16 11:56:24,934 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 [] [2022-11-16 11:56:28,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:56:41,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:56:41,453 INFO L93 Difference]: Finished difference Result 3908 states and 5645 transitions. [2022-11-16 11:56:41,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:56:41,454 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 [2022-11-16 11:56:41,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:56:41,468 INFO L225 Difference]: With dead ends: 3908 [2022-11-16 11:56:41,468 INFO L226 Difference]: Without dead ends: 3906 [2022-11-16 11:56:41,470 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 [2022-11-16 11:56:41,471 INFO L413 NwaCegarLoop]: 2348 mSDtfsCounter, 8337 mSDsluCounter, 4933 mSDsCounter, 0 mSdLazyCounter, 7859 mSolverCounterSat, 4298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8744 SdHoareTripleChecker+Valid, 7281 SdHoareTripleChecker+Invalid, 12157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7859 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:56:41,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8744 Valid, 7281 Invalid, 12157 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7859 Invalid, 0 Unknown, 0 Unchecked, 33.0s Time] [2022-11-16 11:56:41,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3906 states. [2022-11-16 11:56:41,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3906 to 3906. [2022-11-16 11:56:41,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3906 states, 2731 states have (on average 1.335408275357012) internal successors, (3647), 2841 states have internal predecessors, (3647), 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) [2022-11-16 11:56:41,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3906 states to 3906 states and 5643 transitions. [2022-11-16 11:56:41,908 INFO L78 Accepts]: Start accepts. Automaton has 3906 states and 5643 transitions. Word has length 101 [2022-11-16 11:56:41,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:56:41,909 INFO L495 AbstractCegarLoop]: Abstraction has 3906 states and 5643 transitions. [2022-11-16 11:56:41,909 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) [2022-11-16 11:56:41,909 INFO L276 IsEmpty]: Start isEmpty. Operand 3906 states and 5643 transitions. [2022-11-16 11:56:41,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-16 11:56:41,912 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:56:41,912 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] [2022-11-16 11:56:41,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 11:56:41,912 INFO L420 AbstractCegarLoop]: === Iteration 11 === 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)] === [2022-11-16 11:56:41,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:56:41,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1458998751, now seen corresponding path program 1 times [2022-11-16 11:56:41,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:56:41,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642893865] [2022-11-16 11:56:41,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:56:41,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:56:42,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:42,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:56:42,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:42,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:56:42,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:42,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:56:42,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:42,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:56:42,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:42,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:56:42,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:42,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 11:56:42,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:42,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:56:42,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:42,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:56:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:42,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-16 11:56:42,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:42,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-16 11:56:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:42,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-16 11:56:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:42,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 11:56:42,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:42,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-16 11:56:42,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:42,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-16 11:56:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:42,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-16 11:56:42,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:42,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-16 11:56:42,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:56:42,885 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 11:56:42,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:56:42,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642893865] [2022-11-16 11:56:42,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642893865] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:56:42,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:56:42,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:56:42,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98310369] [2022-11-16 11:56:42,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:56:42,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:56:42,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:56:42,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:56:42,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:56:42,889 INFO L87 Difference]: Start difference. First operand 3906 states and 5643 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) [2022-11-16 11:57:09,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:57:15,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:57:15,935 INFO L93 Difference]: Finished difference Result 3906 states and 5643 transitions. [2022-11-16 11:57:15,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:57:15,936 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 [2022-11-16 11:57:15,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:57:15,952 INFO L225 Difference]: With dead ends: 3906 [2022-11-16 11:57:15,952 INFO L226 Difference]: Without dead ends: 3904 [2022-11-16 11:57:15,954 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 [2022-11-16 11:57:15,955 INFO L413 NwaCegarLoop]: 2348 mSDtfsCounter, 8331 mSDsluCounter, 4933 mSDsCounter, 0 mSdLazyCounter, 7855 mSolverCounterSat, 4298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8737 SdHoareTripleChecker+Valid, 7281 SdHoareTripleChecker+Invalid, 12153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:57:15,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8737 Valid, 7281 Invalid, 12153 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7855 Invalid, 0 Unknown, 0 Unchecked, 32.2s Time] [2022-11-16 11:57:15,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3904 states. [2022-11-16 11:57:16,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3904 to 3904. [2022-11-16 11:57:16,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3904 states, 2730 states have (on average 1.335164835164835) internal successors, (3645), 2839 states have internal predecessors, (3645), 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) [2022-11-16 11:57:16,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3904 states to 3904 states and 5641 transitions. [2022-11-16 11:57:16,367 INFO L78 Accepts]: Start accepts. Automaton has 3904 states and 5641 transitions. Word has length 107 [2022-11-16 11:57:16,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:57:16,367 INFO L495 AbstractCegarLoop]: Abstraction has 3904 states and 5641 transitions. [2022-11-16 11:57:16,368 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) [2022-11-16 11:57:16,368 INFO L276 IsEmpty]: Start isEmpty. Operand 3904 states and 5641 transitions. [2022-11-16 11:57:16,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-16 11:57:16,370 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:57:16,370 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] [2022-11-16 11:57:16,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 11:57:16,371 INFO L420 AbstractCegarLoop]: === Iteration 12 === 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)] === [2022-11-16 11:57:16,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:57:16,371 INFO L85 PathProgramCache]: Analyzing trace with hash -51752055, now seen corresponding path program 1 times [2022-11-16 11:57:16,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:57:16,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979147376] [2022-11-16 11:57:16,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:57:16,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:57:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:17,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:57:17,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:17,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:57:17,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:17,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:57:17,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:17,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:57:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:17,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:57:17,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:17,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 11:57:17,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:17,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:57:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:17,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-16 11:57:17,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:17,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-16 11:57:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:17,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:57:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:17,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:57:17,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:17,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:57:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:17,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-16 11:57:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:17,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-16 11:57:17,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:17,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:57:17,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:17,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:57:17,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:17,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:57:17,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:17,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-16 11:57:17,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:17,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-16 11:57:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:17,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-16 11:57:17,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:17,633 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-11-16 11:57:17,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:57:17,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979147376] [2022-11-16 11:57:17,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979147376] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:57:17,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:57:17,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:57:17,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624720567] [2022-11-16 11:57:17,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:57:17,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:57:17,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:57:17,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:57:17,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:57:17,636 INFO L87 Difference]: Start difference. First operand 3904 states and 5641 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) [2022-11-16 11:57:30,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:57:33,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:57:53,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:57:53,826 INFO L93 Difference]: Finished difference Result 7821 states and 11328 transitions. [2022-11-16 11:57:53,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:57:53,827 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 [2022-11-16 11:57:53,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:57:53,849 INFO L225 Difference]: With dead ends: 7821 [2022-11-16 11:57:53,849 INFO L226 Difference]: Without dead ends: 3966 [2022-11-16 11:57:53,872 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 [2022-11-16 11:57:53,873 INFO L413 NwaCegarLoop]: 1927 mSDtfsCounter, 9486 mSDsluCounter, 4467 mSDsCounter, 0 mSdLazyCounter, 6602 mSolverCounterSat, 5640 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9938 SdHoareTripleChecker+Valid, 6394 SdHoareTripleChecker+Invalid, 12243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5640 IncrementalHoareTripleChecker+Valid, 6602 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:57:53,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9938 Valid, 6394 Invalid, 12243 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5640 Valid, 6602 Invalid, 1 Unknown, 0 Unchecked, 35.2s Time] [2022-11-16 11:57:53,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3966 states. [2022-11-16 11:57:54,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3966 to 3900. [2022-11-16 11:57:54,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3900 states, 2727 states have (on average 1.3348001466813348) internal successors, (3640), 2835 states have internal predecessors, (3640), 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) [2022-11-16 11:57:54,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3900 states to 3900 states and 5636 transitions. [2022-11-16 11:57:54,473 INFO L78 Accepts]: Start accepts. Automaton has 3900 states and 5636 transitions. Word has length 119 [2022-11-16 11:57:54,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:57:54,476 INFO L495 AbstractCegarLoop]: Abstraction has 3900 states and 5636 transitions. [2022-11-16 11:57:54,476 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) [2022-11-16 11:57:54,476 INFO L276 IsEmpty]: Start isEmpty. Operand 3900 states and 5636 transitions. [2022-11-16 11:57:54,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-16 11:57:54,479 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:57:54,479 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] [2022-11-16 11:57:54,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 11:57:54,480 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)] === [2022-11-16 11:57:54,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:57:54,480 INFO L85 PathProgramCache]: Analyzing trace with hash 254840559, now seen corresponding path program 1 times [2022-11-16 11:57:54,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:57:54,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606239875] [2022-11-16 11:57:54,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:57:54,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:57:54,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:55,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:57:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:55,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:57:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:55,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:57:55,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:55,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:57:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:55,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:57:55,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:55,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 11:57:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:55,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:57:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:55,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:57:55,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:55,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-16 11:57:55,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:55,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-16 11:57:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:55,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-16 11:57:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:55,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 11:57:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:55,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-16 11:57:55,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:55,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-16 11:57:55,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:55,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-16 11:57:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:55,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-16 11:57:55,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:55,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-16 11:57:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:57:55,543 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 11:57:55,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:57:55,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606239875] [2022-11-16 11:57:55,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606239875] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:57:55,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:57:55,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:57:55,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557068960] [2022-11-16 11:57:55,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:57:55,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:57:55,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:57:55,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:57:55,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:57:55,546 INFO L87 Difference]: Start difference. First operand 3900 states and 5636 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) [2022-11-16 11:58:07,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:58:10,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:58:21,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:58:28,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:58:28,338 INFO L93 Difference]: Finished difference Result 3900 states and 5636 transitions. [2022-11-16 11:58:28,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:58:28,339 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 [2022-11-16 11:58:28,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:58:28,356 INFO L225 Difference]: With dead ends: 3900 [2022-11-16 11:58:28,356 INFO L226 Difference]: Without dead ends: 3898 [2022-11-16 11:58:28,359 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 [2022-11-16 11:58:28,360 INFO L413 NwaCegarLoop]: 2348 mSDtfsCounter, 8310 mSDsluCounter, 4933 mSDsCounter, 0 mSdLazyCounter, 7841 mSolverCounterSat, 4298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8715 SdHoareTripleChecker+Valid, 7281 SdHoareTripleChecker+Invalid, 12139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.8s IncrementalHoareTripleChecker+Time [2022-11-16 11:58:28,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8715 Valid, 7281 Invalid, 12139 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7841 Invalid, 0 Unknown, 0 Unchecked, 31.8s Time] [2022-11-16 11:58:28,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3898 states. [2022-11-16 11:58:28,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3898 to 3898. [2022-11-16 11:58:28,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3898 states, 2726 states have (on average 1.334556126192223) internal successors, (3638), 2833 states have internal predecessors, (3638), 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) [2022-11-16 11:58:28,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3898 states to 3898 states and 5634 transitions. [2022-11-16 11:58:28,964 INFO L78 Accepts]: Start accepts. Automaton has 3898 states and 5634 transitions. Word has length 113 [2022-11-16 11:58:28,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:58:28,964 INFO L495 AbstractCegarLoop]: Abstraction has 3898 states and 5634 transitions. [2022-11-16 11:58:28,965 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) [2022-11-16 11:58:28,965 INFO L276 IsEmpty]: Start isEmpty. Operand 3898 states and 5634 transitions. [2022-11-16 11:58:28,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-16 11:58:28,967 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:58:28,968 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] [2022-11-16 11:58:28,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-16 11:58:28,968 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)] === [2022-11-16 11:58:28,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:58:28,969 INFO L85 PathProgramCache]: Analyzing trace with hash -97985051, now seen corresponding path program 1 times [2022-11-16 11:58:28,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:58:28,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336835674] [2022-11-16 11:58:28,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:58:28,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:58:29,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:29,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:58:29,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:29,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:58:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:29,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:58:29,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:29,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:58:29,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:29,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:58:29,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:29,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 11:58:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:29,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:58:29,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:29,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-16 11:58:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:29,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-16 11:58:29,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:29,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:58:29,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:29,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:58:29,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:29,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:58:29,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:29,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-16 11:58:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:29,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-16 11:58:29,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:58:30,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:58:30,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:58:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-16 11:58:30,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-16 11:58:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-16 11:58:30,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-16 11:58:30,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:58:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:30,263 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-11-16 11:58:30,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:58:30,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336835674] [2022-11-16 11:58:30,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336835674] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:58:30,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821090255] [2022-11-16 11:58:30,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:58:30,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:58:30,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:58:30,269 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:58:30,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 11:58:32,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:32,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 4629 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 11:58:32,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:58:32,786 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-11-16 11:58:32,786 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:58:32,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [821090255] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:58:32,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 11:58:32,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2022-11-16 11:58:32,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953217821] [2022-11-16 11:58:32,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:58:32,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:58:32,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:58:32,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:58:32,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-11-16 11:58:32,790 INFO L87 Difference]: Start difference. First operand 3898 states and 5634 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) [2022-11-16 11:58:33,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:58:33,611 INFO L93 Difference]: Finished difference Result 7743 states and 11185 transitions. [2022-11-16 11:58:33,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:58:33,612 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 [2022-11-16 11:58:33,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:58:33,628 INFO L225 Difference]: With dead ends: 7743 [2022-11-16 11:58:33,629 INFO L226 Difference]: Without dead ends: 3894 [2022-11-16 11:58:33,651 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 [2022-11-16 11:58:33,652 INFO L413 NwaCegarLoop]: 5628 mSDtfsCounter, 5608 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5608 SdHoareTripleChecker+Valid, 5628 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 [2022-11-16 11:58:33,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5608 Valid, 5628 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:58:33,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3894 states. [2022-11-16 11:58:34,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3894 to 3894. [2022-11-16 11:58:34,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3894 states, 2723 states have (on average 1.3341902313624678) internal successors, (3633), 2829 states have internal predecessors, (3633), 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) [2022-11-16 11:58:34,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3894 states to 3894 states and 5629 transitions. [2022-11-16 11:58:34,208 INFO L78 Accepts]: Start accepts. Automaton has 3894 states and 5629 transitions. Word has length 128 [2022-11-16 11:58:34,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:58:34,209 INFO L495 AbstractCegarLoop]: Abstraction has 3894 states and 5629 transitions. [2022-11-16 11:58:34,209 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) [2022-11-16 11:58:34,209 INFO L276 IsEmpty]: Start isEmpty. Operand 3894 states and 5629 transitions. [2022-11-16 11:58:34,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-16 11:58:34,212 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:58:34,212 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] [2022-11-16 11:58:34,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 11:58:34,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f9e712d-b403-424e-a0be-d8331a7c84b9/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:58:34,429 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)] === [2022-11-16 11:58:34,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:58:34,430 INFO L85 PathProgramCache]: Analyzing trace with hash -526710754, now seen corresponding path program 1 times [2022-11-16 11:58:34,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:58:34,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900087804] [2022-11-16 11:58:34,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:58:34,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:58:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:35,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:58:35,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:35,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:58:35,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:35,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:58:35,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:35,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:58:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:35,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:58:35,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:35,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 11:58:35,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:35,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:58:35,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:35,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:58:35,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:35,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-16 11:58:35,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:35,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-16 11:58:35,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:35,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-16 11:58:35,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:35,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 11:58:35,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:35,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-16 11:58:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:35,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-16 11:58:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:35,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-16 11:58:35,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:35,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-16 11:58:35,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:35,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-16 11:58:35,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:35,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-16 11:58:35,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:35,460 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 11:58:35,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:58:35,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900087804] [2022-11-16 11:58:35,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900087804] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:58:35,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:58:35,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:58:35,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066863301] [2022-11-16 11:58:35,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:58:35,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:58:35,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:58:35,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:58:35,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:58:35,465 INFO L87 Difference]: Start difference. First operand 3894 states and 5629 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) [2022-11-16 11:58:46,584 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 [] [2022-11-16 11:58:47,644 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 [] [2022-11-16 11:59:06,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:59:06,470 INFO L93 Difference]: Finished difference Result 3894 states and 5629 transitions. [2022-11-16 11:59:06,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:59:06,470 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 [2022-11-16 11:59:06,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:59:06,486 INFO L225 Difference]: With dead ends: 3894 [2022-11-16 11:59:06,487 INFO L226 Difference]: Without dead ends: 3892 [2022-11-16 11:59:06,489 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 [2022-11-16 11:59:06,490 INFO L413 NwaCegarLoop]: 2348 mSDtfsCounter, 8289 mSDsluCounter, 4933 mSDsCounter, 0 mSdLazyCounter, 7827 mSolverCounterSat, 4298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8693 SdHoareTripleChecker+Valid, 7281 SdHoareTripleChecker+Invalid, 12125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7827 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:59:06,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8693 Valid, 7281 Invalid, 12125 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7827 Invalid, 0 Unknown, 0 Unchecked, 30.0s Time] [2022-11-16 11:59:06,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3892 states. [2022-11-16 11:59:07,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3892 to 3892. [2022-11-16 11:59:07,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3892 states, 2722 states have (on average 1.333945628214548) internal successors, (3631), 2827 states have internal predecessors, (3631), 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) [2022-11-16 11:59:07,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3892 states to 3892 states and 5627 transitions. [2022-11-16 11:59:07,075 INFO L78 Accepts]: Start accepts. Automaton has 3892 states and 5627 transitions. Word has length 119 [2022-11-16 11:59:07,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:59:07,075 INFO L495 AbstractCegarLoop]: Abstraction has 3892 states and 5627 transitions. [2022-11-16 11:59:07,076 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) [2022-11-16 11:59:07,076 INFO L276 IsEmpty]: Start isEmpty. Operand 3892 states and 5627 transitions. [2022-11-16 11:59:07,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-11-16 11:59:07,079 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:59:07,079 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] [2022-11-16 11:59:07,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-16 11:59:07,080 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)] === [2022-11-16 11:59:07,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:59:07,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1898732975, now seen corresponding path program 1 times [2022-11-16 11:59:07,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:59:07,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987090544] [2022-11-16 11:59:07,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:59:07,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:59:07,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:07,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:59:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:07,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:59:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:07,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:59:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:07,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:59:07,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:07,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:59:07,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:07,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 11:59:07,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:07,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:59:07,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:07,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:59:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:07,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-16 11:59:07,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:07,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-16 11:59:07,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:07,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-16 11:59:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:07,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 11:59:07,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:08,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-16 11:59:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:08,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-16 11:59:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:08,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-16 11:59:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:08,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-16 11:59:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:08,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-16 11:59:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:08,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-16 11:59:08,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:08,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-16 11:59:08,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:08,121 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 11:59:08,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:59:08,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987090544] [2022-11-16 11:59:08,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987090544] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:59:08,123 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:59:08,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:59:08,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652773042] [2022-11-16 11:59:08,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:59:08,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:59:08,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:59:08,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:59:08,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:59:08,126 INFO L87 Difference]: Start difference. First operand 3892 states and 5627 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) [2022-11-16 11:59:24,167 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 [] [2022-11-16 11:59:32,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:59:37,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:59:43,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:59:43,216 INFO L93 Difference]: Finished difference Result 3892 states and 5627 transitions. [2022-11-16 11:59:43,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:59:43,217 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 [2022-11-16 11:59:43,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:59:43,231 INFO L225 Difference]: With dead ends: 3892 [2022-11-16 11:59:43,231 INFO L226 Difference]: Without dead ends: 3890 [2022-11-16 11:59:43,234 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 [2022-11-16 11:59:43,235 INFO L413 NwaCegarLoop]: 2348 mSDtfsCounter, 8283 mSDsluCounter, 4933 mSDsCounter, 0 mSdLazyCounter, 7823 mSolverCounterSat, 4298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8686 SdHoareTripleChecker+Valid, 7281 SdHoareTripleChecker+Invalid, 12121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:59:43,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8686 Valid, 7281 Invalid, 12121 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7823 Invalid, 0 Unknown, 0 Unchecked, 34.0s Time] [2022-11-16 11:59:43,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3890 states. [2022-11-16 11:59:43,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3890 to 3890. [2022-11-16 11:59:43,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3890 states, 2721 states have (on average 1.3337008452774715) internal successors, (3629), 2825 states have internal predecessors, (3629), 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) [2022-11-16 11:59:43,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3890 states to 3890 states and 5625 transitions. [2022-11-16 11:59:43,869 INFO L78 Accepts]: Start accepts. Automaton has 3890 states and 5625 transitions. Word has length 125 [2022-11-16 11:59:43,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:59:43,869 INFO L495 AbstractCegarLoop]: Abstraction has 3890 states and 5625 transitions. [2022-11-16 11:59:43,869 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) [2022-11-16 11:59:43,869 INFO L276 IsEmpty]: Start isEmpty. Operand 3890 states and 5625 transitions. [2022-11-16 11:59:43,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-11-16 11:59:43,871 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:59:43,871 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] [2022-11-16 11:59:43,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-16 11:59:43,871 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)] === [2022-11-16 11:59:43,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:59:43,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1685836724, now seen corresponding path program 1 times [2022-11-16 11:59:43,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:59:43,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806943392] [2022-11-16 11:59:43,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:59:43,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:59:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:44,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:59:44,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:44,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:59:44,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:44,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:59:44,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:44,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:59:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:44,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:59:44,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:44,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 11:59:44,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:44,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:59:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:44,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-16 11:59:44,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:44,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-16 11:59:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:44,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:59:44,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:44,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:59:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:44,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:59:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:44,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-16 11:59:44,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:44,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-16 11:59:44,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:44,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:59:44,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:44,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 11:59:44,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:44,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:59:44,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:44,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-16 11:59:44,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:44,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-16 11:59:44,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:44,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-16 11:59:44,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:45,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-16 11:59:45,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:45,017 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-11-16 11:59:45,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:59:45,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806943392] [2022-11-16 11:59:45,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806943392] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:59:45,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:59:45,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:59:45,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377470766] [2022-11-16 11:59:45,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:59:45,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:59:45,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:59:45,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:59:45,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:59:45,020 INFO L87 Difference]: Start difference. First operand 3890 states and 5625 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) [2022-11-16 12:00:05,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:00:06,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:00:08,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:00:13,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:00:14,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:00:20,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:00:25,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:00:35,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:00:36,730 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 [] [2022-11-16 12:00:46,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:00:46,165 INFO L93 Difference]: Finished difference Result 3970 states and 5770 transitions. [2022-11-16 12:00:46,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 12:00:46,165 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 [2022-11-16 12:00:46,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:00:46,183 INFO L225 Difference]: With dead ends: 3970 [2022-11-16 12:00:46,183 INFO L226 Difference]: Without dead ends: 3968 [2022-11-16 12:00:46,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-11-16 12:00:46,187 INFO L413 NwaCegarLoop]: 2353 mSDtfsCounter, 5413 mSDsluCounter, 8321 mSDsCounter, 0 mSdLazyCounter, 13584 mSolverCounterSat, 4455 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5413 SdHoareTripleChecker+Valid, 10674 SdHoareTripleChecker+Invalid, 18039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4455 IncrementalHoareTripleChecker+Valid, 13584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:00:46,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5413 Valid, 10674 Invalid, 18039 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4455 Valid, 13584 Invalid, 0 Unknown, 0 Unchecked, 60.0s Time] [2022-11-16 12:00:46,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3968 states. [2022-11-16 12:00:46,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3968 to 3892. [2022-11-16 12:00:46,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3892 states, 2723 states have (on average 1.3334557473374955) internal successors, (3631), 2827 states have internal predecessors, (3631), 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) [2022-11-16 12:00:46,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3892 states to 3892 states and 5627 transitions. [2022-11-16 12:00:46,629 INFO L78 Accepts]: Start accepts. Automaton has 3892 states and 5627 transitions. Word has length 138 [2022-11-16 12:00:46,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:00:46,630 INFO L495 AbstractCegarLoop]: Abstraction has 3892 states and 5627 transitions. [2022-11-16 12:00:46,630 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) [2022-11-16 12:00:46,630 INFO L276 IsEmpty]: Start isEmpty. Operand 3892 states and 5627 transitions. [2022-11-16 12:00:46,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-11-16 12:00:46,634 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:00:46,634 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] [2022-11-16 12:00:46,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-16 12:00:46,634 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)] === [2022-11-16 12:00:46,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:00:46,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1685896306, now seen corresponding path program 1 times [2022-11-16 12:00:46,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:00:46,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717390544] [2022-11-16 12:00:46,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:00:46,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:00:46,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:00:47,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:00:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:00:47,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 12:00:47,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:00:47,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 12:00:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:00:47,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 12:00:47,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:00:47,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:00:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:00:47,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 12:00:47,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:00:47,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 12:00:47,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:00:47,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-16 12:00:47,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:00:48,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-16 12:00:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:00:48,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:00:48,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:00:48,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:00:48,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:00:48,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:00:48,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:00:48,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-16 12:00:48,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:00:48,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-16 12:00:48,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:00:48,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:00:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:00:48,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:00:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:00:48,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:00:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:00:48,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-16 12:00:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:00:48,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-16 12:00:48,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:00:48,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-16 12:00:48,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:00:48,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-16 12:00:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:00:48,305 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-11-16 12:00:48,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:00:48,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717390544] [2022-11-16 12:00:48,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717390544] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:00:48,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:00:48,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-16 12:00:48,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242922326] [2022-11-16 12:00:48,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:00:48,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:00:48,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:00:48,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:00:48,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:00:48,309 INFO L87 Difference]: Start difference. First operand 3892 states and 5627 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) [2022-11-16 12:01:08,895 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 [] [2022-11-16 12:01:14,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:01:20,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:01:25,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:01:29,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:01:39,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:01:42,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:02:01,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:02:01,801 INFO L93 Difference]: Finished difference Result 7797 states and 11336 transitions. [2022-11-16 12:02:01,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 12:02:01,802 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 [2022-11-16 12:02:01,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:02:01,818 INFO L225 Difference]: With dead ends: 7797 [2022-11-16 12:02:01,818 INFO L226 Difference]: Without dead ends: 3954 [2022-11-16 12:02:01,838 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 [2022-11-16 12:02:01,839 INFO L413 NwaCegarLoop]: 2352 mSDtfsCounter, 9413 mSDsluCounter, 9824 mSDsCounter, 0 mSdLazyCounter, 17699 mSolverCounterSat, 5631 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9861 SdHoareTripleChecker+Valid, 12176 SdHoareTripleChecker+Invalid, 23331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5631 IncrementalHoareTripleChecker+Valid, 17699 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 72.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:02:01,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9861 Valid, 12176 Invalid, 23331 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5631 Valid, 17699 Invalid, 1 Unknown, 0 Unchecked, 72.1s Time] [2022-11-16 12:02:01,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3954 states. [2022-11-16 12:02:02,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3954 to 3888. [2022-11-16 12:02:02,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3888 states, 2720 states have (on average 1.3330882352941176) internal successors, (3626), 2823 states have internal predecessors, (3626), 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) [2022-11-16 12:02:02,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3888 states to 3888 states and 5622 transitions. [2022-11-16 12:02:02,614 INFO L78 Accepts]: Start accepts. Automaton has 3888 states and 5622 transitions. Word has length 138 [2022-11-16 12:02:02,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:02:02,615 INFO L495 AbstractCegarLoop]: Abstraction has 3888 states and 5622 transitions. [2022-11-16 12:02:02,615 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) [2022-11-16 12:02:02,615 INFO L276 IsEmpty]: Start isEmpty. Operand 3888 states and 5622 transitions. [2022-11-16 12:02:02,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-16 12:02:02,618 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:02:02,618 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] [2022-11-16 12:02:02,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-16 12:02:02,618 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2022-11-16 12:02:02,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:02:02,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1035046153, now seen corresponding path program 1 times [2022-11-16 12:02:02,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:02:02,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75221520] [2022-11-16 12:02:02,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:02:02,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:02:02,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:03,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:02:03,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:03,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 12:02:03,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:03,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 12:02:03,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:03,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 12:02:03,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:03,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:02:03,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:03,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 12:02:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:03,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 12:02:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:03,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 12:02:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:03,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-16 12:02:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:03,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-16 12:02:03,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:03,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-16 12:02:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:03,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 12:02:03,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:03,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-16 12:02:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:03,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-16 12:02:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:03,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-16 12:02:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:03,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-16 12:02:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:03,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-16 12:02:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:03,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-16 12:02:03,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:03,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-16 12:02:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:03,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-16 12:02:03,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:03,791 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 12:02:03,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:02:03,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75221520] [2022-11-16 12:02:03,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75221520] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:02:03,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:02:03,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:02:03,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602056744] [2022-11-16 12:02:03,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:02:03,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:02:03,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:02:03,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:02:03,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:02:03,796 INFO L87 Difference]: Start difference. First operand 3888 states and 5622 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) [2022-11-16 12:02:21,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:02:22,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:02:34,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:02:43,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:02:43,372 INFO L93 Difference]: Finished difference Result 4526 states and 6634 transitions. [2022-11-16 12:02:43,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 12:02:43,373 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 [2022-11-16 12:02:43,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:02:43,385 INFO L225 Difference]: With dead ends: 4526 [2022-11-16 12:02:43,385 INFO L226 Difference]: Without dead ends: 4524 [2022-11-16 12:02:43,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-16 12:02:43,387 INFO L413 NwaCegarLoop]: 2348 mSDtfsCounter, 9531 mSDsluCounter, 4934 mSDsCounter, 0 mSdLazyCounter, 9280 mSolverCounterSat, 4955 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9934 SdHoareTripleChecker+Valid, 7282 SdHoareTripleChecker+Invalid, 14236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4955 IncrementalHoareTripleChecker+Valid, 9280 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:02:43,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9934 Valid, 7282 Invalid, 14236 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4955 Valid, 9280 Invalid, 1 Unknown, 0 Unchecked, 38.2s Time] [2022-11-16 12:02:43,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4524 states. [2022-11-16 12:02:44,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4524 to 4515. [2022-11-16 12:02:44,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4515 states, 3154 states have (on average 1.352568167406468) internal successors, (4266), 3268 states have internal predecessors, (4266), 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) [2022-11-16 12:02:44,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4515 states to 4515 states and 6622 transitions. [2022-11-16 12:02:44,292 INFO L78 Accepts]: Start accepts. Automaton has 4515 states and 6622 transitions. Word has length 131 [2022-11-16 12:02:44,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:02:44,292 INFO L495 AbstractCegarLoop]: Abstraction has 4515 states and 6622 transitions. [2022-11-16 12:02:44,292 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) [2022-11-16 12:02:44,293 INFO L276 IsEmpty]: Start isEmpty. Operand 4515 states and 6622 transitions. [2022-11-16 12:02:44,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-16 12:02:44,295 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:02:44,295 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] [2022-11-16 12:02:44,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-16 12:02:44,296 INFO L420 AbstractCegarLoop]: === Iteration 20 === 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)] === [2022-11-16 12:02:44,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:02:44,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1306504814, now seen corresponding path program 1 times [2022-11-16 12:02:44,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:02:44,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574948863] [2022-11-16 12:02:44,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:02:44,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:02:44,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:44,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:02:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:44,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 12:02:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:44,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 12:02:44,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:44,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 12:02:44,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:44,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:02:44,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:44,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 12:02:44,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:44,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 12:02:44,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:44,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-16 12:02:44,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:44,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-16 12:02:44,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:45,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:02:45,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:45,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:02:45,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:45,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:02:45,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:45,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-16 12:02:45,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:45,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-16 12:02:45,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:45,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:02:45,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:45,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:02:45,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:45,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:02:45,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:45,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-16 12:02:45,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:45,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-16 12:02:45,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:45,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-16 12:02:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:45,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-16 12:02:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:45,162 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-11-16 12:02:45,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:02:45,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574948863] [2022-11-16 12:02:45,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574948863] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:02:45,163 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:02:45,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:02:45,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274491258] [2022-11-16 12:02:45,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:02:45,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:02:45,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:02:45,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:02:45,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:02:45,166 INFO L87 Difference]: Start difference. First operand 4515 states and 6622 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) [2022-11-16 12:03:03,911 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 [] [2022-11-16 12:03:07,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:03:13,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:03:15,713 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 [] [2022-11-16 12:03:24,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:03:24,039 INFO L93 Difference]: Finished difference Result 9052 states and 13336 transitions. [2022-11-16 12:03:24,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 12:03:24,042 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 [2022-11-16 12:03:24,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:03:24,060 INFO L225 Difference]: With dead ends: 9052 [2022-11-16 12:03:24,060 INFO L226 Difference]: Without dead ends: 4586 [2022-11-16 12:03:24,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-16 12:03:24,077 INFO L413 NwaCegarLoop]: 2351 mSDtfsCounter, 10770 mSDsluCounter, 4465 mSDsCounter, 0 mSdLazyCounter, 7540 mSolverCounterSat, 6483 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11219 SdHoareTripleChecker+Valid, 6816 SdHoareTripleChecker+Invalid, 14024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6483 IncrementalHoareTripleChecker+Valid, 7540 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.5s IncrementalHoareTripleChecker+Time [2022-11-16 12:03:24,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11219 Valid, 6816 Invalid, 14024 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6483 Valid, 7540 Invalid, 1 Unknown, 0 Unchecked, 37.5s Time] [2022-11-16 12:03:24,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4586 states. [2022-11-16 12:03:24,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4586 to 4511. [2022-11-16 12:03:24,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4511 states, 3151 states have (on average 1.3522691209139956) internal successors, (4261), 3264 states have internal predecessors, (4261), 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) [2022-11-16 12:03:24,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4511 states to 4511 states and 6617 transitions. [2022-11-16 12:03:24,944 INFO L78 Accepts]: Start accepts. Automaton has 4511 states and 6617 transitions. Word has length 142 [2022-11-16 12:03:24,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:03:24,945 INFO L495 AbstractCegarLoop]: Abstraction has 4511 states and 6617 transitions. [2022-11-16 12:03:24,945 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) [2022-11-16 12:03:24,945 INFO L276 IsEmpty]: Start isEmpty. Operand 4511 states and 6617 transitions. [2022-11-16 12:03:24,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-11-16 12:03:24,947 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:03:24,948 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] [2022-11-16 12:03:24,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-16 12:03:24,948 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)] === [2022-11-16 12:03:24,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:03:24,949 INFO L85 PathProgramCache]: Analyzing trace with hash -2090412222, now seen corresponding path program 1 times [2022-11-16 12:03:24,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:03:24,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527415538] [2022-11-16 12:03:24,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:03:24,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:03:25,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:26,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:03:26,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:26,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 12:03:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:26,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 12:03:26,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:26,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 12:03:26,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:26,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:03:26,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:26,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 12:03:26,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:26,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 12:03:26,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:26,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 12:03:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:26,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-16 12:03:26,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:26,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-16 12:03:26,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:26,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-16 12:03:26,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:26,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 12:03:26,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:26,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-16 12:03:26,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:26,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-16 12:03:26,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:26,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-16 12:03:26,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:26,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-16 12:03:26,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:26,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-16 12:03:26,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:26,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-16 12:03:26,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:26,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-16 12:03:26,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:26,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-16 12:03:26,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:26,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-16 12:03:26,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:26,642 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 12:03:26,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:03:26,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527415538] [2022-11-16 12:03:26,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527415538] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:03:26,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:03:26,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:03:26,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309397310] [2022-11-16 12:03:26,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:03:26,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:03:26,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:03:26,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:03:26,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:03:26,648 INFO L87 Difference]: Start difference. First operand 4511 states and 6617 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) [2022-11-16 12:03:49,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:03:58,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:03:58,310 INFO L93 Difference]: Finished difference Result 4511 states and 6617 transitions. [2022-11-16 12:03:58,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:03:58,311 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 [2022-11-16 12:03:58,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:03:58,324 INFO L225 Difference]: With dead ends: 4511 [2022-11-16 12:03:58,324 INFO L226 Difference]: Without dead ends: 4509 [2022-11-16 12:03:58,327 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 [2022-11-16 12:03:58,327 INFO L413 NwaCegarLoop]: 2348 mSDtfsCounter, 8247 mSDsluCounter, 4933 mSDsCounter, 0 mSdLazyCounter, 7799 mSolverCounterSat, 4298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8648 SdHoareTripleChecker+Valid, 7281 SdHoareTripleChecker+Invalid, 12097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4298 IncrementalHoareTripleChecker+Valid, 7799 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.5s IncrementalHoareTripleChecker+Time [2022-11-16 12:03:58,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8648 Valid, 7281 Invalid, 12097 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4298 Valid, 7799 Invalid, 0 Unknown, 0 Unchecked, 30.5s Time] [2022-11-16 12:03:58,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4509 states. [2022-11-16 12:03:59,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4509 to 4509. [2022-11-16 12:03:59,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4509 states, 3150 states have (on average 1.352063492063492) internal successors, (4259), 3262 states have internal predecessors, (4259), 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) [2022-11-16 12:03:59,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4509 states to 4509 states and 6615 transitions. [2022-11-16 12:03:59,114 INFO L78 Accepts]: Start accepts. Automaton has 4509 states and 6615 transitions. Word has length 137 [2022-11-16 12:03:59,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:03:59,114 INFO L495 AbstractCegarLoop]: Abstraction has 4509 states and 6615 transitions. [2022-11-16 12:03:59,114 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) [2022-11-16 12:03:59,114 INFO L276 IsEmpty]: Start isEmpty. Operand 4509 states and 6615 transitions. [2022-11-16 12:03:59,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-11-16 12:03:59,117 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:03:59,117 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] [2022-11-16 12:03:59,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-16 12:03:59,118 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)] === [2022-11-16 12:03:59,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:03:59,118 INFO L85 PathProgramCache]: Analyzing trace with hash -3909481, now seen corresponding path program 1 times [2022-11-16 12:03:59,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:03:59,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018871094] [2022-11-16 12:03:59,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:03:59,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:03:59,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:59,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:03:59,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:59,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 12:03:59,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:59,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 12:03:59,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:59,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 12:03:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:59,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:03:59,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:59,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 12:03:59,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:59,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 12:03:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:59,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 12:03:59,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:59,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-16 12:03:59,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:59,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-16 12:03:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:59,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-16 12:03:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:59,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 12:03:59,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:59,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-16 12:03:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:00,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-16 12:04:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:00,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-16 12:04:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:00,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-16 12:04:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:00,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-16 12:04:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:00,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-16 12:04:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:00,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-16 12:04:00,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:00,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-16 12:04:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:00,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-16 12:04:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:00,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-16 12:04:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:00,131 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 12:04:00,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:04:00,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018871094] [2022-11-16 12:04:00,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018871094] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:04:00,132 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:04:00,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:04:00,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845584993] [2022-11-16 12:04:00,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:04:00,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:04:00,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:04:00,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:04:00,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:04:00,134 INFO L87 Difference]: Start difference. First operand 4509 states and 6615 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) [2022-11-16 12:04:10,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:04:18,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []