./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--staging--dgnc--dgnc.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/bin/uautomizer-vX5HgA9Q3a --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 377580bfb9cdbd23582fc7262bec4529e2c4a4ea4e3be1be7605e4bc96102a75 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 14:01:42,091 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 14:01:42,093 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 14:01:42,115 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 14:01:42,116 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 14:01:42,117 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 14:01:42,118 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 14:01:42,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 14:01:42,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 14:01:42,123 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 14:01:42,124 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 14:01:42,125 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 14:01:42,125 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 14:01:42,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 14:01:42,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 14:01:42,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 14:01:42,130 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 14:01:42,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 14:01:42,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 14:01:42,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 14:01:42,136 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 14:01:42,147 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 14:01:42,149 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 14:01:42,150 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 14:01:42,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 14:01:42,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 14:01:42,162 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 14:01:42,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 14:01:42,163 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 14:01:42,164 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 14:01:42,165 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 14:01:42,166 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 14:01:42,168 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 14:01:42,169 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 14:01:42,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 14:01:42,172 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 14:01:42,173 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 14:01:42,173 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 14:01:42,173 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 14:01:42,175 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 14:01:42,177 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 14:01:42,178 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 14:01:42,217 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 14:01:42,218 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 14:01:42,218 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 14:01:42,219 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 14:01:42,219 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 14:01:42,220 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 14:01:42,220 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 14:01:42,220 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 14:01:42,221 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 14:01:42,221 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 14:01:42,222 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 14:01:42,222 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 14:01:42,222 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 14:01:42,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 14:01:42,223 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 14:01:42,223 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 14:01:42,223 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 14:01:42,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 14:01:42,223 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 14:01:42,224 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 14:01:42,224 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 14:01:42,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 14:01:42,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 14:01:42,224 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 14:01:42,225 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 14:01:42,225 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 14:01:42,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 14:01:42,225 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 14:01:42,225 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 14:01:42,225 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 14:01:42,226 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_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 377580bfb9cdbd23582fc7262bec4529e2c4a4ea4e3be1be7605e4bc96102a75 [2022-11-21 14:01:42,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 14:01:42,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 14:01:42,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 14:01:42,547 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 14:01:42,547 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 14:01:42,548 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i [2022-11-21 14:01:45,747 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 14:01:46,643 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 14:01:46,644 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i [2022-11-21 14:01:46,727 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/bin/uautomizer-vX5HgA9Q3a/data/ce7a414a2/3c66077101924dfeab3a30537afc01ea/FLAGdd5224223 [2022-11-21 14:01:46,750 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/bin/uautomizer-vX5HgA9Q3a/data/ce7a414a2/3c66077101924dfeab3a30537afc01ea [2022-11-21 14:01:46,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 14:01:46,758 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 14:01:46,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 14:01:46,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 14:01:46,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 14:01:46,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 02:01:46" (1/1) ... [2022-11-21 14:01:46,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3df9b973 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:01:46, skipping insertion in model container [2022-11-21 14:01:46,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 02:01:46" (1/1) ... [2022-11-21 14:01:46,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 14:01:47,016 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 14:01:56,316 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[704164,704177] [2022-11-21 14:01:56,320 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[704309,704322] [2022-11-21 14:01:56,321 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[704455,704468] [2022-11-21 14:01:56,321 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[704620,704633] [2022-11-21 14:01:56,322 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[704778,704791] [2022-11-21 14:01:56,322 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[704936,704949] [2022-11-21 14:01:56,323 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[705094,705107] [2022-11-21 14:01:56,323 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[705254,705267] [2022-11-21 14:01:56,324 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[705413,705426] [2022-11-21 14:01:56,324 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[705552,705565] [2022-11-21 14:01:56,325 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[705694,705707] [2022-11-21 14:01:56,325 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[705843,705856] [2022-11-21 14:01:56,325 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[705982,705995] [2022-11-21 14:01:56,326 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[706137,706150] [2022-11-21 14:01:56,326 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[706297,706310] [2022-11-21 14:01:56,327 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[706448,706461] [2022-11-21 14:01:56,327 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[706599,706612] [2022-11-21 14:01:56,328 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[706751,706764] [2022-11-21 14:01:56,328 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[706900,706913] [2022-11-21 14:01:56,329 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[707048,707061] [2022-11-21 14:01:56,329 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[707205,707218] [2022-11-21 14:01:56,330 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[707354,707367] [2022-11-21 14:01:56,330 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[707510,707523] [2022-11-21 14:01:56,330 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[707663,707676] [2022-11-21 14:01:56,331 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[707809,707822] [2022-11-21 14:01:56,331 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[707952,707965] [2022-11-21 14:01:56,332 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[708104,708117] [2022-11-21 14:01:56,332 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[708250,708263] [2022-11-21 14:01:56,333 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[708395,708408] [2022-11-21 14:01:56,333 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[708549,708562] [2022-11-21 14:01:56,334 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[708700,708713] [2022-11-21 14:01:56,334 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[708855,708868] [2022-11-21 14:01:56,334 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[709007,709020] [2022-11-21 14:01:56,335 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[709162,709175] [2022-11-21 14:01:56,335 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[709326,709339] [2022-11-21 14:01:56,336 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[709482,709495] [2022-11-21 14:01:56,336 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[709646,709659] [2022-11-21 14:01:56,337 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[709788,709801] [2022-11-21 14:01:56,337 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[709946,709959] [2022-11-21 14:01:56,338 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[710113,710126] [2022-11-21 14:01:56,338 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[710272,710285] [2022-11-21 14:01:56,339 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[710431,710444] [2022-11-21 14:01:56,339 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[710580,710593] [2022-11-21 14:01:56,339 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[710727,710740] [2022-11-21 14:01:56,340 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[710866,710879] [2022-11-21 14:01:56,340 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[711029,711042] [2022-11-21 14:01:56,341 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[711195,711208] [2022-11-21 14:01:56,341 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[711359,711372] [2022-11-21 14:01:56,341 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[711524,711537] [2022-11-21 14:01:56,342 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[711689,711702] [2022-11-21 14:01:56,342 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[711855,711868] [2022-11-21 14:01:56,343 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[712020,712033] [2022-11-21 14:01:56,343 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[712187,712200] [2022-11-21 14:01:56,344 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[712347,712360] [2022-11-21 14:01:56,344 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[712509,712522] [2022-11-21 14:01:56,345 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[712668,712681] [2022-11-21 14:01:56,345 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[712814,712827] [2022-11-21 14:01:56,345 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[712957,712970] [2022-11-21 14:01:56,346 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[713101,713114] [2022-11-21 14:01:56,346 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[713244,713257] [2022-11-21 14:01:56,347 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[713388,713401] [2022-11-21 14:01:56,347 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[713529,713542] [2022-11-21 14:01:56,348 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[713667,713680] [2022-11-21 14:01:56,348 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[713825,713838] [2022-11-21 14:01:56,349 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[713984,713997] [2022-11-21 14:01:56,349 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[714140,714153] [2022-11-21 14:01:56,350 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[714289,714302] [2022-11-21 14:01:56,350 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[714441,714454] [2022-11-21 14:01:56,350 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[714592,714605] [2022-11-21 14:01:56,351 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[714741,714754] [2022-11-21 14:01:56,351 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[714893,714906] [2022-11-21 14:01:56,352 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[715041,715054] [2022-11-21 14:01:56,353 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[715194,715207] [2022-11-21 14:01:56,353 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[715345,715358] [2022-11-21 14:01:56,353 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[715495,715508] [2022-11-21 14:01:56,354 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[715642,715655] [2022-11-21 14:01:56,354 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[715793,715806] [2022-11-21 14:01:56,355 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[715944,715957] [2022-11-21 14:01:56,355 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[716092,716105] [2022-11-21 14:01:56,356 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[716258,716271] [2022-11-21 14:01:56,356 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[716427,716440] [2022-11-21 14:01:56,357 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[716594,716607] [2022-11-21 14:01:56,357 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[716762,716775] [2022-11-21 14:01:56,357 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[716912,716925] [2022-11-21 14:01:56,358 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[717059,717072] [2022-11-21 14:01:56,358 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[717220,717233] [2022-11-21 14:01:56,359 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[717390,717403] [2022-11-21 14:01:56,359 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[717552,717565] [2022-11-21 14:01:56,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 14:01:56,505 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 14:01:57,466 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[704164,704177] [2022-11-21 14:01:57,466 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[704309,704322] [2022-11-21 14:01:57,467 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[704455,704468] [2022-11-21 14:01:57,467 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[704620,704633] [2022-11-21 14:01:57,468 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[704778,704791] [2022-11-21 14:01:57,468 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[704936,704949] [2022-11-21 14:01:57,469 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[705094,705107] [2022-11-21 14:01:57,469 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[705254,705267] [2022-11-21 14:01:57,469 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[705413,705426] [2022-11-21 14:01:57,470 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[705552,705565] [2022-11-21 14:01:57,470 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[705694,705707] [2022-11-21 14:01:57,471 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[705843,705856] [2022-11-21 14:01:57,471 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[705982,705995] [2022-11-21 14:01:57,471 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[706137,706150] [2022-11-21 14:01:57,472 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[706297,706310] [2022-11-21 14:01:57,472 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[706448,706461] [2022-11-21 14:01:57,473 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[706599,706612] [2022-11-21 14:01:57,473 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[706751,706764] [2022-11-21 14:01:57,473 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[706900,706913] [2022-11-21 14:01:57,474 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[707048,707061] [2022-11-21 14:01:57,474 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[707205,707218] [2022-11-21 14:01:57,475 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[707354,707367] [2022-11-21 14:01:57,475 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[707510,707523] [2022-11-21 14:01:57,475 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[707663,707676] [2022-11-21 14:01:57,476 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[707809,707822] [2022-11-21 14:01:57,476 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[707952,707965] [2022-11-21 14:01:57,476 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[708104,708117] [2022-11-21 14:01:57,477 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[708250,708263] [2022-11-21 14:01:57,477 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[708395,708408] [2022-11-21 14:01:57,478 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[708549,708562] [2022-11-21 14:01:57,478 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[708700,708713] [2022-11-21 14:01:57,478 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[708855,708868] [2022-11-21 14:01:57,479 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[709007,709020] [2022-11-21 14:01:57,479 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[709162,709175] [2022-11-21 14:01:57,479 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[709326,709339] [2022-11-21 14:01:57,480 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[709482,709495] [2022-11-21 14:01:57,480 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[709646,709659] [2022-11-21 14:01:57,481 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[709788,709801] [2022-11-21 14:01:57,481 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[709946,709959] [2022-11-21 14:01:57,481 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[710113,710126] [2022-11-21 14:01:57,482 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[710272,710285] [2022-11-21 14:01:57,482 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[710431,710444] [2022-11-21 14:01:57,483 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[710580,710593] [2022-11-21 14:01:57,483 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[710727,710740] [2022-11-21 14:01:57,483 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[710866,710879] [2022-11-21 14:01:57,484 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[711029,711042] [2022-11-21 14:01:57,484 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[711195,711208] [2022-11-21 14:01:57,484 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[711359,711372] [2022-11-21 14:01:57,485 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[711524,711537] [2022-11-21 14:01:57,485 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[711689,711702] [2022-11-21 14:01:57,486 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[711855,711868] [2022-11-21 14:01:57,486 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[712020,712033] [2022-11-21 14:01:57,486 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[712187,712200] [2022-11-21 14:01:57,487 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[712347,712360] [2022-11-21 14:01:57,487 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[712509,712522] [2022-11-21 14:01:57,488 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[712668,712681] [2022-11-21 14:01:57,488 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[712814,712827] [2022-11-21 14:01:57,488 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[712957,712970] [2022-11-21 14:01:57,489 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[713101,713114] [2022-11-21 14:01:57,489 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[713244,713257] [2022-11-21 14:01:57,489 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[713388,713401] [2022-11-21 14:01:57,490 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[713529,713542] [2022-11-21 14:01:57,490 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[713667,713680] [2022-11-21 14:01:57,491 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[713825,713838] [2022-11-21 14:01:57,491 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[713984,713997] [2022-11-21 14:01:57,492 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[714140,714153] [2022-11-21 14:01:57,492 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[714289,714302] [2022-11-21 14:01:57,492 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[714441,714454] [2022-11-21 14:01:57,493 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[714592,714605] [2022-11-21 14:01:57,493 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[714741,714754] [2022-11-21 14:01:57,494 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[714893,714906] [2022-11-21 14:01:57,494 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[715041,715054] [2022-11-21 14:01:57,494 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[715194,715207] [2022-11-21 14:01:57,495 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[715345,715358] [2022-11-21 14:01:57,495 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[715495,715508] [2022-11-21 14:01:57,496 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[715642,715655] [2022-11-21 14:01:57,496 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[715793,715806] [2022-11-21 14:01:57,496 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[715944,715957] [2022-11-21 14:01:57,497 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[716092,716105] [2022-11-21 14:01:57,497 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[716258,716271] [2022-11-21 14:01:57,498 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[716427,716440] [2022-11-21 14:01:57,498 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[716594,716607] [2022-11-21 14:01:57,498 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[716762,716775] [2022-11-21 14:01:57,499 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[716912,716925] [2022-11-21 14:01:57,499 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[717059,717072] [2022-11-21 14:01:57,499 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[717220,717233] [2022-11-21 14:01:57,500 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[717390,717403] [2022-11-21 14:01:57,500 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[717552,717565] [2022-11-21 14:01:57,504 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 14:01:57,858 INFO L208 MainTranslator]: Completed translation [2022-11-21 14:01:57,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:01:57 WrapperNode [2022-11-21 14:01:57,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 14:01:57,860 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 14:01:57,860 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 14:01:57,861 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 14:01:57,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:01:57" (1/1) ... [2022-11-21 14:01:58,094 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:01:57" (1/1) ... [2022-11-21 14:01:58,637 INFO L138 Inliner]: procedures = 959, calls = 6615, calls flagged for inlining = 486, calls inlined = 413, statements flattened = 17307 [2022-11-21 14:01:58,638 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 14:01:58,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 14:01:58,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 14:01:58,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 14:01:58,649 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:01:57" (1/1) ... [2022-11-21 14:01:58,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:01:57" (1/1) ... [2022-11-21 14:01:58,752 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:01:57" (1/1) ... [2022-11-21 14:01:58,753 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:01:57" (1/1) ... [2022-11-21 14:01:59,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:01:57" (1/1) ... [2022-11-21 14:01:59,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:01:57" (1/1) ... [2022-11-21 14:01:59,321 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:01:57" (1/1) ... [2022-11-21 14:01:59,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:01:57" (1/1) ... [2022-11-21 14:01:59,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 14:01:59,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 14:01:59,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 14:01:59,533 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 14:01:59,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:01:57" (1/1) ... [2022-11-21 14:01:59,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 14:01:59,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 14:01:59,616 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 14:01:59,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 14:01:59,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2022-11-21 14:01:59,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2022-11-21 14:01:59,740 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_maxcps_room [2022-11-21 14:01:59,740 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_maxcps_room [2022-11-21 14:01:59,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-21 14:01:59,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-21 14:01:59,741 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-21 14:01:59,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-21 14:01:59,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-21 14:01:59,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-21 14:01:59,742 INFO L130 BoogieDeclarations]: Found specification of procedure neo_vpd [2022-11-21 14:01:59,742 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_vpd [2022-11-21 14:01:59,742 INFO L130 BoogieDeclarations]: Found specification of procedure neo_parse_modem [2022-11-21 14:01:59,742 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_parse_modem [2022-11-21 14:01:59,743 INFO L130 BoogieDeclarations]: Found specification of procedure cls_param [2022-11-21 14:01:59,743 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_param [2022-11-21 14:01:59,743 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-21 14:01:59,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-21 14:01:59,745 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_device [2022-11-21 14:01:59,745 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_device [2022-11-21 14:01:59,745 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-21 14:01:59,746 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-21 14:01:59,746 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_mgmt_close [2022-11-21 14:01:59,746 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_mgmt_close [2022-11-21 14:01:59,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-21 14:01:59,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-21 14:01:59,747 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_chars_in_buffer [2022-11-21 14:01:59,747 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_chars_in_buffer [2022-11-21 14:01:59,747 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_driver_version_show [2022-11-21 14:01:59,747 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_driver_version_show [2022-11-21 14:01:59,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver [2022-11-21 14:01:59,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver [2022-11-21 14:01:59,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-21 14:01:59,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-21 14:01:59,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-21 14:01:59,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-21 14:01:59,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 14:01:59,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-21 14:01:59,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-21 14:01:59,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_dgnc_global_lock [2022-11-21 14:01:59,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_dgnc_global_lock [2022-11-21 14:01:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-21 14:01:59,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-21 14:01:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure cls_send_stop_character [2022-11-21 14:01:59,750 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_send_stop_character [2022-11-21 14:01:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-11-21 14:01:59,750 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-11-21 14:01:59,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_bd_lock_of_dgnc_board [2022-11-21 14:01:59,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_bd_lock_of_dgnc_board [2022-11-21 14:01:59,751 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-21 14:01:59,751 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-21 14:01:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-21 14:01:59,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-21 14:01:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2022-11-21 14:01:59,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2022-11-21 14:01:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_start [2022-11-21 14:01:59,752 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_start [2022-11-21 14:01:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 14:01:59,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-21 14:01:59,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-11-21 14:01:59,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-21 14:01:59,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-21 14:01:59,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 14:01:59,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-21 14:01:59,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-21 14:01:59,754 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-21 14:01:59,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-21 14:01:59,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 14:01:59,754 INFO L130 BoogieDeclarations]: Found specification of procedure tty_set_operations [2022-11-21 14:01:59,754 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_set_operations [2022-11-21 14:01:59,754 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-21 14:01:59,755 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-21 14:01:59,756 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-21 14:01:59,759 INFO L130 BoogieDeclarations]: Found specification of procedure neo_parse_isr [2022-11-21 14:01:59,759 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_parse_isr [2022-11-21 14:01:59,759 INFO L130 BoogieDeclarations]: Found specification of procedure driver_create_file [2022-11-21 14:01:59,759 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_create_file [2022-11-21 14:01:59,759 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_driver [2022-11-21 14:01:59,759 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_driver [2022-11-21 14:01:59,760 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2022-11-21 14:01:59,760 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2022-11-21 14:01:59,760 INFO L130 BoogieDeclarations]: Found specification of procedure cls_assert_modem_signals [2022-11-21 14:01:59,764 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_assert_modem_signals [2022-11-21 14:01:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2022-11-21 14:01:59,765 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2022-11-21 14:01:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_sysfs_remove_group [2022-11-21 14:01:59,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_sysfs_remove_group [2022-11-21 14:01:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-21 14:01:59,766 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-21 14:01:59,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 14:01:59,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 14:01:59,766 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-21 14:01:59,766 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-21 14:01:59,766 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2022-11-21 14:01:59,767 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2022-11-21 14:01:59,767 INFO L130 BoogieDeclarations]: Found specification of procedure cls_drain [2022-11-21 14:01:59,767 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_drain [2022-11-21 14:01:59,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-21 14:01:59,767 INFO L130 BoogieDeclarations]: Found specification of procedure driver_remove_file [2022-11-21 14:01:59,768 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_remove_file [2022-11-21 14:01:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2022-11-21 14:01:59,768 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2022-11-21 14:01:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-21 14:01:59,768 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-21 14:01:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_hangup [2022-11-21 14:01:59,769 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_hangup [2022-11-21 14:01:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2022-11-21 14:01:59,769 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2022-11-21 14:01:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-21 14:01:59,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-21 14:01:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_tiocmget [2022-11-21 14:01:59,769 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_tiocmget [2022-11-21 14:01:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_open [2022-11-21 14:01:59,770 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_open [2022-11-21 14:01:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_set_termios [2022-11-21 14:01:59,770 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_set_termios [2022-11-21 14:01:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_input [2022-11-21 14:01:59,770 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_input [2022-11-21 14:01:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_bd_intr_lock_of_dgnc_board [2022-11-21 14:01:59,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_bd_intr_lock_of_dgnc_board [2022-11-21 14:01:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-21 14:01:59,771 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-21 14:01:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-21 14:01:59,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-21 14:01:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure tty_ldisc_deref [2022-11-21 14:01:59,772 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_ldisc_deref [2022-11-21 14:01:59,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-21 14:01:59,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-21 14:01:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_driver_boards_show [2022-11-21 14:01:59,773 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_driver_boards_show [2022-11-21 14:01:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-21 14:01:59,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-21 14:01:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure neo_copy_data_from_queue_to_uart [2022-11-21 14:01:59,773 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_copy_data_from_queue_to_uart [2022-11-21 14:01:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-21 14:01:59,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-21 14:01:59,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 14:01:59,774 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-21 14:01:59,774 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-21 14:01:59,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-21 14:01:59,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-21 14:01:59,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_base_class__double_registration [2022-11-21 14:01:59,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_base_class__double_registration [2022-11-21 14:01:59,775 INFO L130 BoogieDeclarations]: Found specification of procedure neo_assert_modem_signals [2022-11-21 14:01:59,775 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_assert_modem_signals [2022-11-21 14:01:59,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_112 [2022-11-21 14:01:59,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_112 [2022-11-21 14:01:59,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 14:01:59,775 INFO L130 BoogieDeclarations]: Found specification of procedure neo_param [2022-11-21 14:01:59,775 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_param [2022-11-21 14:01:59,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_destroy_class [2022-11-21 14:01:59,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_destroy_class [2022-11-21 14:01:59,776 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-21 14:01:59,776 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-21 14:01:59,776 INFO L130 BoogieDeclarations]: Found specification of procedure neo_copy_data_from_uart_to_queue [2022-11-21 14:01:59,776 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_copy_data_from_uart_to_queue [2022-11-21 14:01:59,776 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-21 14:01:59,777 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-21 14:01:59,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_102 [2022-11-21 14:01:59,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_102 [2022-11-21 14:01:59,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_104 [2022-11-21 14:01:59,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_104 [2022-11-21 14:01:59,777 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-21 14:01:59,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-21 14:01:59,778 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-21 14:01:59,778 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-21 14:01:59,778 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-21 14:01:59,778 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-21 14:01:59,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-21 14:01:59,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-21 14:01:59,778 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_cleanup_module [2022-11-21 14:01:59,778 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_cleanup_module [2022-11-21 14:01:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure waitqueue_active [2022-11-21 14:01:59,779 INFO L138 BoogieDeclarations]: Found implementation of procedure waitqueue_active [2022-11-21 14:01:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_flush_chars [2022-11-21 14:01:59,779 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_flush_chars [2022-11-21 14:01:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-21 14:01:59,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-21 14:01:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure cls_uart_init [2022-11-21 14:01:59,780 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_uart_init [2022-11-21 14:01:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-21 14:01:59,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-21 14:01:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure neo_send_start_character [2022-11-21 14:01:59,780 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_send_start_character [2022-11-21 14:01:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_close [2022-11-21 14:01:59,780 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_close [2022-11-21 14:01:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure neo_send_immediate_char [2022-11-21 14:01:59,781 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_send_immediate_char [2022-11-21 14:01:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure neo_set_no_output_flow_control [2022-11-21 14:01:59,781 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_set_no_output_flow_control [2022-11-21 14:01:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~uint~0~TO~int [2022-11-21 14:01:59,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~uint~0~TO~int [2022-11-21 14:01:59,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 14:01:59,782 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_wakeup_writes [2022-11-21 14:01:59,782 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_wakeup_writes [2022-11-21 14:01:59,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-21 14:01:59,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-21 14:01:59,782 INFO L130 BoogieDeclarations]: Found specification of procedure cls_get_uart_bytes_left [2022-11-21 14:01:59,782 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_get_uart_bytes_left [2022-11-21 14:01:59,783 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_device [2022-11-21 14:01:59,785 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_device [2022-11-21 14:01:59,786 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2022-11-21 14:01:59,786 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2022-11-21 14:01:59,786 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_wmove [2022-11-21 14:01:59,786 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_wmove [2022-11-21 14:01:59,786 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-21 14:01:59,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-21 14:01:59,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_ch_lock_of_channel_t [2022-11-21 14:01:59,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_ch_lock_of_channel_t [2022-11-21 14:01:59,788 INFO L130 BoogieDeclarations]: Found specification of procedure cls_parse_modem [2022-11-21 14:01:59,788 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_parse_modem [2022-11-21 14:01:59,788 INFO L130 BoogieDeclarations]: Found specification of procedure neo_flush_uart_write [2022-11-21 14:01:59,788 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_flush_uart_write [2022-11-21 14:01:59,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_dgnc_poll_lock [2022-11-21 14:01:59,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_dgnc_poll_lock [2022-11-21 14:01:59,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2022-11-21 14:01:59,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2022-11-21 14:01:59,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2022-11-21 14:01:59,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2022-11-21 14:01:59,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2022-11-21 14:01:59,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2022-11-21 14:01:59,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-21 14:01:59,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-21 14:01:59,789 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_wait_until_sent [2022-11-21 14:01:59,790 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_wait_until_sent [2022-11-21 14:01:59,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-21 14:01:59,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-21 14:01:59,790 INFO L130 BoogieDeclarations]: Found specification of procedure neo_send_stop_character [2022-11-21 14:01:59,790 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_send_stop_character [2022-11-21 14:01:59,790 INFO L130 BoogieDeclarations]: Found specification of procedure tty_check_change [2022-11-21 14:01:59,790 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_check_change [2022-11-21 14:01:59,791 INFO L130 BoogieDeclarations]: Found specification of procedure cls_copy_data_from_queue_to_uart [2022-11-21 14:01:59,791 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_copy_data_from_queue_to_uart [2022-11-21 14:01:59,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 14:01:59,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 14:01:59,791 INFO L130 BoogieDeclarations]: Found specification of procedure neo_enable_receiver [2022-11-21 14:01:59,791 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_enable_receiver [2022-11-21 14:01:59,791 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2022-11-21 14:01:59,791 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2022-11-21 14:01:59,792 INFO L130 BoogieDeclarations]: Found specification of procedure cls_uart_off [2022-11-21 14:01:59,792 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_uart_off [2022-11-21 14:01:59,792 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-21 14:01:59,792 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-21 14:01:59,792 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_do_remap [2022-11-21 14:01:59,792 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_do_remap [2022-11-21 14:01:59,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-21 14:01:59,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-21 14:01:59,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-21 14:01:59,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-21 14:01:59,793 INFO L130 BoogieDeclarations]: Found specification of procedure neo_drain [2022-11-21 14:01:59,793 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_drain [2022-11-21 14:01:59,793 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-21 14:01:59,793 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-21 14:01:59,793 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_mgmt_open [2022-11-21 14:01:59,794 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_mgmt_open [2022-11-21 14:01:59,794 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_uninit [2022-11-21 14:01:59,794 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_uninit [2022-11-21 14:01:59,794 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_stop [2022-11-21 14:01:59,794 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_stop [2022-11-21 14:01:59,794 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_flush_buffer [2022-11-21 14:01:59,794 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_flush_buffer [2022-11-21 14:01:59,794 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_driver_pollrate_store [2022-11-21 14:01:59,795 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_driver_pollrate_store [2022-11-21 14:01:59,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-21 14:01:59,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-21 14:01:59,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-21 14:01:59,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-21 14:01:59,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-21 14:01:59,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-21 14:01:59,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 14:01:59,796 INFO L130 BoogieDeclarations]: Found specification of procedure neo_send_break [2022-11-21 14:01:59,796 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_send_break [2022-11-21 14:01:59,796 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_check_queue_flow_control [2022-11-21 14:01:59,796 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_check_queue_flow_control [2022-11-21 14:01:59,796 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-21 14:01:59,796 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-21 14:01:59,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-21 14:01:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-21 14:01:59,797 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-21 14:01:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-21 14:01:59,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-21 14:01:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 14:01:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-21 14:01:59,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-21 14:01:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure cls_enable_receiver [2022-11-21 14:01:59,798 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_enable_receiver [2022-11-21 14:01:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-21 14:01:59,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-21 14:01:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-21 14:01:59,798 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-21 14:01:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure cls_disable_receiver [2022-11-21 14:01:59,798 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_disable_receiver [2022-11-21 14:01:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-21 14:01:59,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-21 14:01:59,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-21 14:01:59,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-21 14:01:59,799 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_tiocmset [2022-11-21 14:01:59,799 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_tiocmset [2022-11-21 14:01:59,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-21 14:01:59,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-21 14:01:59,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_fs_char_dev__double_registration [2022-11-21 14:01:59,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_fs_char_dev__double_registration [2022-11-21 14:01:59,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-21 14:01:59,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-21 14:01:59,800 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_unthrottle [2022-11-21 14:01:59,800 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_unthrottle [2022-11-21 14:01:59,800 INFO L130 BoogieDeclarations]: Found specification of procedure neo_pci_posting_flush [2022-11-21 14:01:59,800 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_pci_posting_flush [2022-11-21 14:01:59,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_unregister_device [2022-11-21 14:01:59,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_unregister_device [2022-11-21 14:01:59,801 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-21 14:01:59,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-21 14:01:59,801 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-21 14:01:59,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-21 14:01:59,801 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-11-21 14:01:59,802 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-11-21 14:01:59,802 INFO L130 BoogieDeclarations]: Found specification of procedure cls_send_break [2022-11-21 14:01:59,802 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_send_break [2022-11-21 14:01:59,802 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_remove_tty_sysfs [2022-11-21 14:01:59,802 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_remove_tty_sysfs [2022-11-21 14:01:59,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-21 14:01:59,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-21 14:01:59,802 INFO L130 BoogieDeclarations]: Found specification of procedure neo_disable_receiver [2022-11-21 14:01:59,803 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_disable_receiver [2022-11-21 14:01:59,803 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2022-11-21 14:01:59,803 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2022-11-21 14:01:59,803 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-21 14:01:59,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-21 14:01:59,803 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-21 14:01:59,803 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-21 14:01:59,803 INFO L130 BoogieDeclarations]: Found specification of procedure neo_get_uart_bytes_left [2022-11-21 14:01:59,804 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_get_uart_bytes_left [2022-11-21 14:01:59,804 INFO L130 BoogieDeclarations]: Found specification of procedure cls_set_no_input_flow_control [2022-11-21 14:01:59,804 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_set_no_input_flow_control [2022-11-21 14:01:59,804 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_write [2022-11-21 14:01:59,804 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_write [2022-11-21 14:01:59,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-21 14:01:59,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-21 14:01:59,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-21 14:01:59,805 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_init_one [2022-11-21 14:01:59,805 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_init_one [2022-11-21 14:01:59,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-21 14:01:59,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-21 14:01:59,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_destroy_class [2022-11-21 14:01:59,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_destroy_class [2022-11-21 14:01:59,805 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_carrier [2022-11-21 14:01:59,806 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_carrier [2022-11-21 14:01:59,806 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_ioctl [2022-11-21 14:01:59,806 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_ioctl [2022-11-21 14:01:59,806 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_throttle [2022-11-21 14:01:59,806 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_throttle [2022-11-21 14:01:59,806 INFO L130 BoogieDeclarations]: Found specification of procedure neo_uart_off [2022-11-21 14:01:59,806 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_uart_off [2022-11-21 14:01:59,806 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2022-11-21 14:01:59,807 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2022-11-21 14:01:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~uint~0 [2022-11-21 14:01:59,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~uint~0 [2022-11-21 14:01:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-21 14:01:59,807 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-21 14:01:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_put_char [2022-11-21 14:01:59,807 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_put_char [2022-11-21 14:01:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure cls_send_immediate_char [2022-11-21 14:01:59,808 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_send_immediate_char [2022-11-21 14:01:59,808 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_driver_maxboards_show [2022-11-21 14:01:59,808 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_driver_maxboards_show [2022-11-21 14:01:59,808 INFO L130 BoogieDeclarations]: Found specification of procedure up [2022-11-21 14:01:59,808 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2022-11-21 14:01:59,808 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-11-21 14:01:59,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-11-21 14:01:59,809 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_create_tty_sysfs [2022-11-21 14:01:59,812 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_create_tty_sysfs [2022-11-21 14:01:59,813 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-11-21 14:01:59,813 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-11-21 14:01:59,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 14:01:59,813 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-21 14:01:59,813 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-21 14:01:59,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97___0 [2022-11-21 14:01:59,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97___0 [2022-11-21 14:01:59,814 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-21 14:01:59,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-21 14:01:59,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-21 14:01:59,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-21 14:01:59,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-21 14:01:59,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-21 14:01:59,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-21 14:01:59,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-21 14:01:59,815 INFO L130 BoogieDeclarations]: Found specification of procedure cls_set_no_output_flow_control [2022-11-21 14:01:59,815 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_set_no_output_flow_control [2022-11-21 14:01:59,815 INFO L130 BoogieDeclarations]: Found specification of procedure neo_tasklet [2022-11-21 14:01:59,815 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_tasklet [2022-11-21 14:01:59,815 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_send_break [2022-11-21 14:01:59,815 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_send_break [2022-11-21 14:01:59,815 INFO L130 BoogieDeclarations]: Found specification of procedure tty_ldisc_flush [2022-11-21 14:01:59,816 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_ldisc_flush [2022-11-21 14:01:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-21 14:01:59,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-21 14:01:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_write_room [2022-11-21 14:01:59,816 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_write_room [2022-11-21 14:01:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-21 14:01:59,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-21 14:01:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-21 14:01:59,817 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-21 14:01:59,817 INFO L130 BoogieDeclarations]: Found specification of procedure cls_flush_uart_write [2022-11-21 14:01:59,817 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_flush_uart_write [2022-11-21 14:01:59,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-21 14:01:59,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-21 14:01:59,817 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_send_xchar [2022-11-21 14:01:59,817 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_send_xchar [2022-11-21 14:01:59,817 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_driver_pollrate_show [2022-11-21 14:01:59,818 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_driver_pollrate_show [2022-11-21 14:01:59,818 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-21 14:01:59,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-21 14:01:59,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_100 [2022-11-21 14:01:59,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_100 [2022-11-21 14:01:59,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-21 14:01:59,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-21 14:01:59,819 INFO L130 BoogieDeclarations]: Found specification of procedure cls_tasklet [2022-11-21 14:01:59,819 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_tasklet [2022-11-21 14:01:59,819 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-21 14:01:59,819 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-21 14:01:59,819 INFO L130 BoogieDeclarations]: Found specification of procedure cls_vpd [2022-11-21 14:01:59,819 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_vpd [2022-11-21 14:01:59,819 INFO L130 BoogieDeclarations]: Found specification of procedure neo_set_no_input_flow_control [2022-11-21 14:01:59,819 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_set_no_input_flow_control [2022-11-21 14:01:59,820 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2022-11-21 14:01:59,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2022-11-21 14:01:59,820 INFO L130 BoogieDeclarations]: Found specification of procedure neo_flush_uart_read [2022-11-21 14:01:59,820 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_flush_uart_read [2022-11-21 14:01:59,820 INFO L130 BoogieDeclarations]: Found specification of procedure cls_send_start_character [2022-11-21 14:01:59,820 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_send_start_character [2022-11-21 14:01:59,820 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-21 14:01:59,821 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-21 14:01:59,821 INFO L130 BoogieDeclarations]: Found specification of procedure neo_uart_init [2022-11-21 14:01:59,821 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_uart_init [2022-11-21 14:01:59,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-21 14:01:59,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-21 14:01:59,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-21 14:01:59,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-21 14:01:59,821 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-21 14:01:59,822 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-21 14:01:59,822 INFO L130 BoogieDeclarations]: Found specification of procedure tty_devnum [2022-11-21 14:01:59,822 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_devnum [2022-11-21 14:01:59,822 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-21 14:01:59,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-21 14:01:59,822 INFO L130 BoogieDeclarations]: Found specification of procedure cls_flush_uart_read [2022-11-21 14:01:59,822 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_flush_uart_read [2022-11-21 14:01:59,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 14:01:59,823 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-21 14:01:59,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-21 14:01:59,823 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-11-21 14:01:59,823 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-11-21 14:01:59,823 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-21 14:01:59,823 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-11-21 14:01:59,823 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-11-21 14:01:59,824 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2022-11-21 14:01:59,824 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2022-11-21 14:02:01,691 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 14:02:01,696 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 14:02:02,221 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-21 14:02:23,652 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint switch_break: call ULTIMATE.dealloc(~#buf~0#1.base, ~#buf~0#1.offset);havoc ~#buf~0#1.base, ~#buf~0#1.offset;call ULTIMATE.dealloc(~#buf___0~0#1.base, ~#buf___0~0#1.offset);havoc ~#buf___0~0#1.base, ~#buf___0~0#1.offset; [2022-11-21 14:03:36,132 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 14:03:36,172 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 14:03:36,172 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-11-21 14:03:36,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 02:03:36 BoogieIcfgContainer [2022-11-21 14:03:36,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 14:03:36,186 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 14:03:36,186 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 14:03:36,190 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 14:03:36,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 02:01:46" (1/3) ... [2022-11-21 14:03:36,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b6da7a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 02:03:36, skipping insertion in model container [2022-11-21 14:03:36,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:01:57" (2/3) ... [2022-11-21 14:03:36,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b6da7a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 02:03:36, skipping insertion in model container [2022-11-21 14:03:36,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 02:03:36" (3/3) ... [2022-11-21 14:03:36,194 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i [2022-11-21 14:03:36,215 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 14:03:36,215 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 37 error locations. [2022-11-21 14:03:36,378 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 14:03:36,386 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;@d7d7e1a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 14:03:36,386 INFO L358 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2022-11-21 14:03:36,407 INFO L276 IsEmpty]: Start isEmpty. Operand has 5317 states, 3663 states have (on average 1.4144144144144144) internal successors, (5181), 3873 states have internal predecessors, (5181), 1398 states have call successors, (1398), 219 states have call predecessors, (1398), 218 states have return successors, (1390), 1317 states have call predecessors, (1390), 1390 states have call successors, (1390) [2022-11-21 14:03:36,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-21 14:03:36,419 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:03:36,420 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-21 14:03:36,421 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2022-11-21 14:03:36,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:03:36,428 INFO L85 PathProgramCache]: Analyzing trace with hash 531926597, now seen corresponding path program 1 times [2022-11-21 14:03:36,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:03:36,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500568633] [2022-11-21 14:03:36,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:03:36,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:03:37,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:03:37,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 14:03:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 14:03:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:37,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:03:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,697 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 14:03:37,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:03:37,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500568633] [2022-11-21 14:03:37,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500568633] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:03:37,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:03:37,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 14:03:37,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851651173] [2022-11-21 14:03:37,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:03:37,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 14:03:37,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:03:37,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 14:03:37,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:03:37,765 INFO L87 Difference]: Start difference. First operand has 5317 states, 3663 states have (on average 1.4144144144144144) internal successors, (5181), 3873 states have internal predecessors, (5181), 1398 states have call successors, (1398), 219 states have call predecessors, (1398), 218 states have return successors, (1390), 1317 states have call predecessors, (1390), 1390 states have call successors, (1390) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-21 14:03:38,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:03:38,251 INFO L93 Difference]: Finished difference Result 10611 states and 16429 transitions. [2022-11-21 14:03:38,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 14:03:38,254 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 39 [2022-11-21 14:03:38,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:03:38,320 INFO L225 Difference]: With dead ends: 10611 [2022-11-21 14:03:38,321 INFO L226 Difference]: Without dead ends: 5293 [2022-11-21 14:03:38,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 14:03:38,380 INFO L413 NwaCegarLoop]: 7832 mSDtfsCounter, 1 mSDsluCounter, 7830 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 15662 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 14:03:38,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 15662 Invalid, 5 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 14:03:38,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5293 states. [2022-11-21 14:03:38,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5293 to 5292. [2022-11-21 14:03:38,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5292 states, 3648 states have (on average 1.3796600877192982) internal successors, (5033), 3854 states have internal predecessors, (5033), 1390 states have call successors, (1390), 218 states have call predecessors, (1390), 217 states have return successors, (1388), 1315 states have call predecessors, (1388), 1388 states have call successors, (1388) [2022-11-21 14:03:38,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5292 states to 5292 states and 7811 transitions. [2022-11-21 14:03:38,828 INFO L78 Accepts]: Start accepts. Automaton has 5292 states and 7811 transitions. Word has length 39 [2022-11-21 14:03:38,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:03:38,830 INFO L495 AbstractCegarLoop]: Abstraction has 5292 states and 7811 transitions. [2022-11-21 14:03:38,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-21 14:03:38,831 INFO L276 IsEmpty]: Start isEmpty. Operand 5292 states and 7811 transitions. [2022-11-21 14:03:38,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-21 14:03:38,834 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:03:38,834 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-21 14:03:38,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 14:03:38,836 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2022-11-21 14:03:38,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:03:38,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1433986527, now seen corresponding path program 1 times [2022-11-21 14:03:38,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:03:38,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333086563] [2022-11-21 14:03:38,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:03:38,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:03:39,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:39,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:03:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:39,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 14:03:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:39,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 14:03:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:39,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:39,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:03:39,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:39,718 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 14:03:39,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:03:39,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333086563] [2022-11-21 14:03:39,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333086563] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 14:03:39,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1327601446] [2022-11-21 14:03:39,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:03:39,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 14:03:39,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 14:03:39,727 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 14:03:39,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-21 14:03:42,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:42,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 4748 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-21 14:03:42,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 14:03:42,226 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 14:03:42,227 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 14:03:42,323 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 14:03:42,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1327601446] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 14:03:42,324 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 14:03:42,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-11-21 14:03:42,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541094541] [2022-11-21 14:03:42,325 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 14:03:42,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 14:03:42,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:03:42,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 14:03:42,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-21 14:03:42,327 INFO L87 Difference]: Start difference. First operand 5292 states and 7811 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-21 14:03:42,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:03:42,779 INFO L93 Difference]: Finished difference Result 10582 states and 15621 transitions. [2022-11-21 14:03:42,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 14:03:42,783 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 41 [2022-11-21 14:03:42,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:03:42,822 INFO L225 Difference]: With dead ends: 10582 [2022-11-21 14:03:42,823 INFO L226 Difference]: Without dead ends: 5298 [2022-11-21 14:03:42,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-21 14:03:42,858 INFO L413 NwaCegarLoop]: 7808 mSDtfsCounter, 6 mSDsluCounter, 23418 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 31226 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 14:03:42,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 31226 Invalid, 19 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 14:03:42,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5298 states. [2022-11-21 14:03:43,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5298 to 5298. [2022-11-21 14:03:43,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5298 states, 3654 states have (on average 1.3790366721401204) internal successors, (5039), 3860 states have internal predecessors, (5039), 1390 states have call successors, (1390), 218 states have call predecessors, (1390), 217 states have return successors, (1388), 1315 states have call predecessors, (1388), 1388 states have call successors, (1388) [2022-11-21 14:03:43,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5298 states to 5298 states and 7817 transitions. [2022-11-21 14:03:43,138 INFO L78 Accepts]: Start accepts. Automaton has 5298 states and 7817 transitions. Word has length 41 [2022-11-21 14:03:43,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:03:43,138 INFO L495 AbstractCegarLoop]: Abstraction has 5298 states and 7817 transitions. [2022-11-21 14:03:43,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-21 14:03:43,155 INFO L276 IsEmpty]: Start isEmpty. Operand 5298 states and 7817 transitions. [2022-11-21 14:03:43,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-21 14:03:43,157 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:03:43,157 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-21 14:03:43,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-21 14:03:43,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9c9dab-359c-43eb-b4ee-3ac5a5f6f54a/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 14:03:43,371 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2022-11-21 14:03:43,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:03:43,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1827705781, now seen corresponding path program 2 times [2022-11-21 14:03:43,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:03:43,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757013941] [2022-11-21 14:03:43,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:03:43,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:03:43,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:44,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:03:44,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:44,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 14:03:44,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:44,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 14:03:44,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:44,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:44,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:44,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:03:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:44,606 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-21 14:03:44,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:03:44,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757013941] [2022-11-21 14:03:44,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757013941] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:03:44,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:03:44,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 14:03:44,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257214592] [2022-11-21 14:03:44,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:03:44,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 14:03:44,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:03:44,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 14:03:44,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 14:03:44,610 INFO L87 Difference]: Start difference. First operand 5298 states and 7817 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-21 14:03:45,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:03:45,349 INFO L93 Difference]: Finished difference Result 10442 states and 15415 transitions. [2022-11-21 14:03:45,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 14:03:45,350 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 47 [2022-11-21 14:03:45,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:03:45,421 INFO L225 Difference]: With dead ends: 10442 [2022-11-21 14:03:45,421 INFO L226 Difference]: Without dead ends: 10440 [2022-11-21 14:03:45,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-21 14:03:45,430 INFO L413 NwaCegarLoop]: 9230 mSDtfsCounter, 7791 mSDsluCounter, 26055 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7792 SdHoareTripleChecker+Valid, 35285 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 14:03:45,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7792 Valid, 35285 Invalid, 16 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 14:03:45,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10440 states. [2022-11-21 14:03:45,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10440 to 10357. [2022-11-21 14:03:45,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10357 states, 7168 states have (on average 1.3836495535714286) internal successors, (9918), 7543 states have internal predecessors, (9918), 2723 states have call successors, (2723), 432 states have call predecessors, (2723), 430 states have return successors, (2721), 2569 states have call predecessors, (2721), 2721 states have call successors, (2721) [2022-11-21 14:03:45,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10357 states to 10357 states and 15362 transitions. [2022-11-21 14:03:45,993 INFO L78 Accepts]: Start accepts. Automaton has 10357 states and 15362 transitions. Word has length 47 [2022-11-21 14:03:45,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:03:45,994 INFO L495 AbstractCegarLoop]: Abstraction has 10357 states and 15362 transitions. [2022-11-21 14:03:45,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-21 14:03:45,994 INFO L276 IsEmpty]: Start isEmpty. Operand 10357 states and 15362 transitions. [2022-11-21 14:03:45,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-21 14:03:45,996 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:03:45,996 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 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] [2022-11-21 14:03:45,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 14:03:45,997 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2022-11-21 14:03:45,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:03:45,998 INFO L85 PathProgramCache]: Analyzing trace with hash -749930247, now seen corresponding path program 1 times [2022-11-21 14:03:45,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:03:45,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440501899] [2022-11-21 14:03:45,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:03:45,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:03:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:47,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:03:47,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:47,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 14:03:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:47,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 14:03:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:47,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:47,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:47,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:03:47,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:47,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-21 14:03:47,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:47,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:47,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:47,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:03:47,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:47,129 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-11-21 14:03:47,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:03:47,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440501899] [2022-11-21 14:03:47,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440501899] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:03:47,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:03:47,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 14:03:47,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73585321] [2022-11-21 14:03:47,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:03:47,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 14:03:47,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:03:47,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 14:03:47,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 14:03:47,133 INFO L87 Difference]: Start difference. First operand 10357 states and 15362 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-21 14:03:47,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:03:47,718 INFO L93 Difference]: Finished difference Result 10357 states and 15362 transitions. [2022-11-21 14:03:47,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 14:03:47,718 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 66 [2022-11-21 14:03:47,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:03:47,809 INFO L225 Difference]: With dead ends: 10357 [2022-11-21 14:03:47,809 INFO L226 Difference]: Without dead ends: 10355 [2022-11-21 14:03:47,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-21 14:03:47,820 INFO L413 NwaCegarLoop]: 7800 mSDtfsCounter, 7789 mSDsluCounter, 15597 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7790 SdHoareTripleChecker+Valid, 23397 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 14:03:47,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7790 Valid, 23397 Invalid, 14 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 14:03:47,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10355 states. [2022-11-21 14:03:48,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10355 to 10355. [2022-11-21 14:03:48,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10355 states, 7167 states have (on average 1.3834240267894518) internal successors, (9915), 7541 states have internal predecessors, (9915), 2723 states have call successors, (2723), 432 states have call predecessors, (2723), 430 states have return successors, (2721), 2569 states have call predecessors, (2721), 2721 states have call successors, (2721) [2022-11-21 14:03:48,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10355 states to 10355 states and 15359 transitions. [2022-11-21 14:03:48,483 INFO L78 Accepts]: Start accepts. Automaton has 10355 states and 15359 transitions. Word has length 66 [2022-11-21 14:03:48,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:03:48,484 INFO L495 AbstractCegarLoop]: Abstraction has 10355 states and 15359 transitions. [2022-11-21 14:03:48,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-21 14:03:48,484 INFO L276 IsEmpty]: Start isEmpty. Operand 10355 states and 15359 transitions. [2022-11-21 14:03:48,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-21 14:03:48,497 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:03:48,500 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 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] [2022-11-21 14:03:48,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 14:03:48,500 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2022-11-21 14:03:48,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:03:48,501 INFO L85 PathProgramCache]: Analyzing trace with hash 823463024, now seen corresponding path program 1 times [2022-11-21 14:03:48,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:03:48,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57351914] [2022-11-21 14:03:48,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:03:48,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:03:48,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:49,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:03:49,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:49,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 14:03:49,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:49,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 14:03:49,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:49,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:49,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:03:49,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:49,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-21 14:03:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:49,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:49,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:49,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:03:49,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:49,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-21 14:03:49,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:49,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 14:03:49,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:49,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 14:03:49,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:49,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-21 14:03:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:49,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-21 14:03:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:49,351 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2022-11-21 14:03:49,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:03:49,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57351914] [2022-11-21 14:03:49,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57351914] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:03:49,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:03:49,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 14:03:49,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397086843] [2022-11-21 14:03:49,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:03:49,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 14:03:49,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:03:49,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 14:03:49,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 14:03:49,354 INFO L87 Difference]: Start difference. First operand 10355 states and 15359 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-21 14:03:51,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:03:51,124 INFO L93 Difference]: Finished difference Result 22086 states and 32888 transitions. [2022-11-21 14:03:51,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 14:03:51,125 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 112 [2022-11-21 14:03:51,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:03:51,202 INFO L225 Difference]: With dead ends: 22086 [2022-11-21 14:03:51,203 INFO L226 Difference]: Without dead ends: 12205 [2022-11-21 14:03:51,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 14:03:51,258 INFO L413 NwaCegarLoop]: 8129 mSDtfsCounter, 1599 mSDsluCounter, 15599 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 650 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1599 SdHoareTripleChecker+Valid, 23728 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 650 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-21 14:03:51,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1599 Valid, 23728 Invalid, 664 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [650 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-21 14:03:51,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12205 states. [2022-11-21 14:03:52,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12205 to 10359. [2022-11-21 14:03:52,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10359 states, 7171 states have (on average 1.3832101520011155) internal successors, (9919), 7545 states have internal predecessors, (9919), 2723 states have call successors, (2723), 432 states have call predecessors, (2723), 430 states have return successors, (2721), 2569 states have call predecessors, (2721), 2721 states have call successors, (2721) [2022-11-21 14:03:52,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10359 states to 10359 states and 15363 transitions. [2022-11-21 14:03:52,110 INFO L78 Accepts]: Start accepts. Automaton has 10359 states and 15363 transitions. Word has length 112 [2022-11-21 14:03:52,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:03:52,111 INFO L495 AbstractCegarLoop]: Abstraction has 10359 states and 15363 transitions. [2022-11-21 14:03:52,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-21 14:03:52,112 INFO L276 IsEmpty]: Start isEmpty. Operand 10359 states and 15363 transitions. [2022-11-21 14:03:52,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-21 14:03:52,113 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:03:52,114 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 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] [2022-11-21 14:03:52,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 14:03:52,114 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2022-11-21 14:03:52,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:03:52,115 INFO L85 PathProgramCache]: Analyzing trace with hash 2001599777, now seen corresponding path program 1 times [2022-11-21 14:03:52,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:03:52,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948669879] [2022-11-21 14:03:52,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:03:52,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:03:52,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:53,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:03:53,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:53,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 14:03:53,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:53,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 14:03:53,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:53,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:53,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:03:53,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:53,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-21 14:03:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:53,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:53,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:53,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:03:53,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:53,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-21 14:03:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:53,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 14:03:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:53,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 14:03:53,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:53,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-21 14:03:53,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:53,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:53,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:53,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-21 14:03:53,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:53,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 14:03:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:53,385 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2022-11-21 14:03:53,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:03:53,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948669879] [2022-11-21 14:03:53,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948669879] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:03:53,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:03:53,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 14:03:53,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050478397] [2022-11-21 14:03:53,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:03:53,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 14:03:53,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:03:53,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 14:03:53,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 14:03:53,390 INFO L87 Difference]: Start difference. First operand 10359 states and 15363 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, (14), 3 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-21 14:03:55,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:04:58,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:04:58,805 INFO L93 Difference]: Finished difference Result 21592 states and 32507 transitions. [2022-11-21 14:04:58,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 14:04:58,806 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, (14), 3 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 112 [2022-11-21 14:04:58,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:04:58,941 INFO L225 Difference]: With dead ends: 21592 [2022-11-21 14:04:58,941 INFO L226 Difference]: Without dead ends: 21590 [2022-11-21 14:04:58,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-21 14:04:58,956 INFO L413 NwaCegarLoop]: 7660 mSDtfsCounter, 10267 mSDsluCounter, 20763 mSDsCounter, 0 mSdLazyCounter, 19103 mSolverCounterSat, 3776 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11570 SdHoareTripleChecker+Valid, 28423 SdHoareTripleChecker+Invalid, 22880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 3776 IncrementalHoareTripleChecker+Valid, 19103 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.0s IncrementalHoareTripleChecker+Time [2022-11-21 14:04:58,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11570 Valid, 28423 Invalid, 22880 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [3776 Valid, 19103 Invalid, 1 Unknown, 0 Unchecked, 63.0s Time] [2022-11-21 14:04:58,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21590 states. [2022-11-21 14:05:00,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21590 to 20038. [2022-11-21 14:05:00,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20038 states, 13902 states have (on average 1.386347288159977) internal successors, (19273), 14605 states have internal predecessors, (19273), 5285 states have call successors, (5285), 820 states have call predecessors, (5285), 817 states have return successors, (5291), 4979 states have call predecessors, (5291), 5283 states have call successors, (5291) [2022-11-21 14:05:00,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20038 states to 20038 states and 29849 transitions. [2022-11-21 14:05:00,443 INFO L78 Accepts]: Start accepts. Automaton has 20038 states and 29849 transitions. Word has length 112 [2022-11-21 14:05:00,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:05:00,444 INFO L495 AbstractCegarLoop]: Abstraction has 20038 states and 29849 transitions. [2022-11-21 14:05:00,444 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, (14), 3 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-21 14:05:00,444 INFO L276 IsEmpty]: Start isEmpty. Operand 20038 states and 29849 transitions. [2022-11-21 14:05:00,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-11-21 14:05:00,446 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:05:00,447 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 4, 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] [2022-11-21 14:05:00,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 14:05:00,447 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2022-11-21 14:05:00,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:05:00,448 INFO L85 PathProgramCache]: Analyzing trace with hash 521847015, now seen corresponding path program 1 times [2022-11-21 14:05:00,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:05:00,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020573937] [2022-11-21 14:05:00,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:05:00,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:05:00,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:01,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:05:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:01,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 14:05:01,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:01,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 14:05:01,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:01,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:05:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:01,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:05:01,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:01,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-21 14:05:01,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:01,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:05:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:01,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:05:01,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:01,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-21 14:05:01,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:01,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 14:05:01,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:01,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 14:05:01,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:01,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-21 14:05:01,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:01,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:05:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:01,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-21 14:05:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:01,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 14:05:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:01,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 14:05:01,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:01,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-21 14:05:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:01,732 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2022-11-21 14:05:01,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:05:01,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020573937] [2022-11-21 14:05:01,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020573937] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:05:01,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:05:01,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 14:05:01,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605341365] [2022-11-21 14:05:01,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:05:01,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 14:05:01,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:05:01,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 14:05:01,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 14:05:01,735 INFO L87 Difference]: Start difference. First operand 20038 states and 29849 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, (16), 3 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-21 14:05:03,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:05:35,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:05:35,889 INFO L93 Difference]: Finished difference Result 21260 states and 32147 transitions. [2022-11-21 14:05:35,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 14:05:35,890 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, (16), 3 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 125 [2022-11-21 14:05:35,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:05:36,029 INFO L225 Difference]: With dead ends: 21260 [2022-11-21 14:05:36,030 INFO L226 Difference]: Without dead ends: 21258 [2022-11-21 14:05:36,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-21 14:05:36,050 INFO L413 NwaCegarLoop]: 5619 mSDtfsCounter, 8647 mSDsluCounter, 12689 mSDsCounter, 0 mSdLazyCounter, 9728 mSolverCounterSat, 2931 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9496 SdHoareTripleChecker+Valid, 18308 SdHoareTripleChecker+Invalid, 12660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2931 IncrementalHoareTripleChecker+Valid, 9728 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.6s IncrementalHoareTripleChecker+Time [2022-11-21 14:05:36,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9496 Valid, 18308 Invalid, 12660 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2931 Valid, 9728 Invalid, 1 Unknown, 0 Unchecked, 32.6s Time] [2022-11-21 14:05:36,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21258 states. [2022-11-21 14:05:37,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21258 to 20036. [2022-11-21 14:05:37,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20036 states, 13901 states have (on average 1.3860873318466298) internal successors, (19268), 14603 states have internal predecessors, (19268), 5285 states have call successors, (5285), 820 states have call predecessors, (5285), 817 states have return successors, (5291), 4979 states have call predecessors, (5291), 5283 states have call successors, (5291) [2022-11-21 14:05:37,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20036 states to 20036 states and 29844 transitions. [2022-11-21 14:05:37,653 INFO L78 Accepts]: Start accepts. Automaton has 20036 states and 29844 transitions. Word has length 125 [2022-11-21 14:05:37,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:05:37,653 INFO L495 AbstractCegarLoop]: Abstraction has 20036 states and 29844 transitions. [2022-11-21 14:05:37,654 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, (16), 3 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-21 14:05:37,654 INFO L276 IsEmpty]: Start isEmpty. Operand 20036 states and 29844 transitions. [2022-11-21 14:05:37,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-21 14:05:37,660 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:05:37,660 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 4, 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] [2022-11-21 14:05:37,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 14:05:37,660 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2022-11-21 14:05:37,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:05:37,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1309177919, now seen corresponding path program 1 times [2022-11-21 14:05:37,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:05:37,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039569761] [2022-11-21 14:05:37,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:05:37,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:05:37,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:38,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:05:38,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:38,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 14:05:38,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:38,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 14:05:38,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:38,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:05:38,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:38,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:05:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:38,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-21 14:05:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:38,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:05:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:38,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:05:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:38,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-21 14:05:38,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:38,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 14:05:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:38,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 14:05:38,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:38,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 14:05:38,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:38,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-21 14:05:38,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:38,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-21 14:05:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:38,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:05:38,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:38,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-21 14:05:38,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:38,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-21 14:05:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:38,880 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2022-11-21 14:05:38,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:05:38,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039569761] [2022-11-21 14:05:38,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039569761] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:05:38,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:05:38,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 14:05:38,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755585197] [2022-11-21 14:05:38,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:05:38,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 14:05:38,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:05:38,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 14:05:38,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 14:05:38,884 INFO L87 Difference]: Start difference. First operand 20036 states and 29844 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 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) [2022-11-21 14:05:40,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:05:42,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:05:54,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:05:57,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:06:18,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:06:28,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:06:53,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:06:58,465 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 [] [2022-11-21 14:07:21,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:07:21,485 INFO L93 Difference]: Finished difference Result 38214 states and 57450 transitions. [2022-11-21 14:07:21,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-21 14:07:21,486 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 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 128 [2022-11-21 14:07:21,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:07:21,719 INFO L225 Difference]: With dead ends: 38214 [2022-11-21 14:07:21,720 INFO L226 Difference]: Without dead ends: 38212 [2022-11-21 14:07:21,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-21 14:07:21,742 INFO L413 NwaCegarLoop]: 2333 mSDtfsCounter, 19104 mSDsluCounter, 4950 mSDsCounter, 0 mSdLazyCounter, 23686 mSolverCounterSat, 10513 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 92.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19473 SdHoareTripleChecker+Valid, 7283 SdHoareTripleChecker+Invalid, 34206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 10513 IncrementalHoareTripleChecker+Valid, 23686 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 99.1s IncrementalHoareTripleChecker+Time [2022-11-21 14:07:21,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19473 Valid, 7283 Invalid, 34206 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [10513 Valid, 23686 Invalid, 7 Unknown, 0 Unchecked, 99.1s Time] [2022-11-21 14:07:21,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38212 states. [2022-11-21 14:07:24,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38212 to 37862. [2022-11-21 14:07:24,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37862 states, 26294 states have (on average 1.3905453715676581) internal successors, (36563), 27632 states have internal predecessors, (36563), 10018 states have call successors, (10018), 1522 states have call predecessors, (10018), 1517 states have return successors, (10478), 9404 states have call predecessors, (10478), 10016 states have call successors, (10478) [2022-11-21 14:07:24,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37862 states to 37862 states and 57059 transitions. [2022-11-21 14:07:24,722 INFO L78 Accepts]: Start accepts. Automaton has 37862 states and 57059 transitions. Word has length 128 [2022-11-21 14:07:24,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:07:24,723 INFO L495 AbstractCegarLoop]: Abstraction has 37862 states and 57059 transitions. [2022-11-21 14:07:24,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 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) [2022-11-21 14:07:24,723 INFO L276 IsEmpty]: Start isEmpty. Operand 37862 states and 57059 transitions. [2022-11-21 14:07:24,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-21 14:07:24,726 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:07:24,726 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 4, 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] [2022-11-21 14:07:24,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 14:07:24,727 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2022-11-21 14:07:24,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:07:24,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1085784117, now seen corresponding path program 1 times [2022-11-21 14:07:24,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:07:24,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641134854] [2022-11-21 14:07:24,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:07:24,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:07:24,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:26,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:07:26,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:26,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 14:07:26,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:26,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 14:07:26,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:26,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:07:26,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:26,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:07:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:26,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-21 14:07:26,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:26,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:07:26,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:26,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:07:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:26,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-21 14:07:26,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:26,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 14:07:26,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:26,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 14:07:26,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:26,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 14:07:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:26,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-21 14:07:26,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:26,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-21 14:07:26,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:26,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:07:26,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:26,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-21 14:07:26,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:26,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-21 14:07:26,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:26,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-21 14:07:26,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:26,395 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2022-11-21 14:07:26,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:07:26,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641134854] [2022-11-21 14:07:26,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641134854] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:07:26,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:07:26,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 14:07:26,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871891994] [2022-11-21 14:07:26,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:07:26,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 14:07:26,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:07:26,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 14:07:26,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 14:07:26,399 INFO L87 Difference]: Start difference. First operand 37862 states and 57059 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 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) [2022-11-21 14:07:28,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:07:30,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:07:43,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:07:46,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:08:00,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:08:04,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:08:14,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:08:38,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:08:42,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:08:42,043 INFO L93 Difference]: Finished difference Result 41610 states and 62364 transitions. [2022-11-21 14:08:42,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-21 14:08:42,043 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 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 134 [2022-11-21 14:08:42,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:08:42,304 INFO L225 Difference]: With dead ends: 41610 [2022-11-21 14:08:42,305 INFO L226 Difference]: Without dead ends: 41608 [2022-11-21 14:08:42,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-21 14:08:42,329 INFO L413 NwaCegarLoop]: 1962 mSDtfsCounter, 14199 mSDsluCounter, 3689 mSDsCounter, 0 mSdLazyCounter, 16040 mSolverCounterSat, 7125 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14624 SdHoareTripleChecker+Valid, 5651 SdHoareTripleChecker+Invalid, 23172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 7125 IncrementalHoareTripleChecker+Valid, 16040 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 72.4s IncrementalHoareTripleChecker+Time [2022-11-21 14:08:42,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14624 Valid, 5651 Invalid, 23172 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [7125 Valid, 16040 Invalid, 7 Unknown, 0 Unchecked, 72.4s Time] [2022-11-21 14:08:42,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41608 states. [2022-11-21 14:08:45,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41608 to 41598. [2022-11-21 14:08:45,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41598 states, 29039 states have (on average 1.3853094114811115) internal successors, (40228), 30432 states have internal predecessors, (40228), 10822 states have call successors, (10822), 1698 states have call predecessors, (10822), 1705 states have return successors, (11306), 10192 states have call predecessors, (11306), 10820 states have call successors, (11306) [2022-11-21 14:08:45,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41598 states to 41598 states and 62356 transitions. [2022-11-21 14:08:45,899 INFO L78 Accepts]: Start accepts. Automaton has 41598 states and 62356 transitions. Word has length 134 [2022-11-21 14:08:45,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:08:45,900 INFO L495 AbstractCegarLoop]: Abstraction has 41598 states and 62356 transitions. [2022-11-21 14:08:45,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 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) [2022-11-21 14:08:45,900 INFO L276 IsEmpty]: Start isEmpty. Operand 41598 states and 62356 transitions. [2022-11-21 14:08:45,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-11-21 14:08:45,904 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:08:45,905 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 5, 5, 4, 4, 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] [2022-11-21 14:08:45,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 14:08:45,905 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2022-11-21 14:08:45,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:08:45,906 INFO L85 PathProgramCache]: Analyzing trace with hash -625057832, now seen corresponding path program 1 times [2022-11-21 14:08:45,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:08:45,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662963782] [2022-11-21 14:08:45,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:08:45,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:08:46,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:47,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:08:47,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:47,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 14:08:47,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:47,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 14:08:47,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:47,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:08:47,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:47,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:08:47,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:47,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-21 14:08:47,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:47,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:08:47,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:47,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:08:47,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:47,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-21 14:08:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:48,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 14:08:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:48,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 14:08:48,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:48,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 14:08:48,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:48,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-21 14:08:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:48,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-21 14:08:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:48,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:08:48,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:48,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-21 14:08:48,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:48,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-21 14:08:48,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:48,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-21 14:08:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:48,264 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2022-11-21 14:08:48,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:08:48,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662963782] [2022-11-21 14:08:48,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662963782] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:08:48,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:08:48,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 14:08:48,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936860084] [2022-11-21 14:08:48,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:08:48,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 14:08:48,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:08:48,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 14:08:48,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-21 14:08:48,267 INFO L87 Difference]: Start difference. First operand 41598 states and 62356 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-21 14:08:50,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:08:52,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:09:10,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:09:13,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:09:28,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:09:33,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:09:49,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:10:26,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:10:26,225 INFO L93 Difference]: Finished difference Result 41733 states and 62468 transitions. [2022-11-21 14:10:26,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-21 14:10:26,226 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 137 [2022-11-21 14:10:26,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:10:26,410 INFO L225 Difference]: With dead ends: 41733 [2022-11-21 14:10:26,410 INFO L226 Difference]: Without dead ends: 41731 [2022-11-21 14:10:26,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2022-11-21 14:10:26,432 INFO L413 NwaCegarLoop]: 1962 mSDtfsCounter, 14321 mSDsluCounter, 5218 mSDsCounter, 0 mSdLazyCounter, 22774 mSolverCounterSat, 7146 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 88.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14740 SdHoareTripleChecker+Valid, 7180 SdHoareTripleChecker+Invalid, 29927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 7146 IncrementalHoareTripleChecker+Valid, 22774 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 94.4s IncrementalHoareTripleChecker+Time [2022-11-21 14:10:26,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14740 Valid, 7180 Invalid, 29927 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [7146 Valid, 22774 Invalid, 7 Unknown, 0 Unchecked, 94.4s Time] [2022-11-21 14:10:26,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41731 states. [2022-11-21 14:10:29,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41731 to 41721. [2022-11-21 14:10:29,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41721 states, 29129 states have (on average 1.3843935596827903) internal successors, (40326), 30522 states have internal predecessors, (40326), 10822 states have call successors, (10822), 1731 states have call predecessors, (10822), 1738 states have return successors, (11306), 10192 states have call predecessors, (11306), 10820 states have call successors, (11306) [2022-11-21 14:10:29,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41721 states to 41721 states and 62454 transitions. [2022-11-21 14:10:29,930 INFO L78 Accepts]: Start accepts. Automaton has 41721 states and 62454 transitions. Word has length 137 [2022-11-21 14:10:29,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:10:29,930 INFO L495 AbstractCegarLoop]: Abstraction has 41721 states and 62454 transitions. [2022-11-21 14:10:29,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-21 14:10:29,931 INFO L276 IsEmpty]: Start isEmpty. Operand 41721 states and 62454 transitions. [2022-11-21 14:10:29,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-21 14:10:29,934 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:10:29,934 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:10:29,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-21 14:10:29,935 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2022-11-21 14:10:29,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:10:29,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1075273106, now seen corresponding path program 1 times [2022-11-21 14:10:29,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:10:29,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971507749] [2022-11-21 14:10:29,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:10:29,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:10:30,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:10:31,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:10:31,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:10:31,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 14:10:31,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:10:31,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 14:10:31,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:10:31,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:10:31,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:10:31,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:10:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:10:31,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-21 14:10:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:10:31,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:10:31,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:10:31,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:10:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:10:31,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-21 14:10:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:10:31,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 14:10:31,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:10:31,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 14:10:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:10:31,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 14:10:31,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:10:31,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-21 14:10:31,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:10:31,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-21 14:10:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:10:31,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:10:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:10:31,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-21 14:10:31,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:10:31,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-21 14:10:31,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:10:31,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-21 14:10:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:10:31,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 14:10:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:10:31,417 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2022-11-21 14:10:31,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:10:31,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971507749] [2022-11-21 14:10:31,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971507749] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:10:31,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:10:31,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 14:10:31,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354367046] [2022-11-21 14:10:31,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:10:31,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 14:10:31,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:10:31,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 14:10:31,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 14:10:31,420 INFO L87 Difference]: Start difference. First operand 41721 states and 62454 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 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) [2022-11-21 14:10:33,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:10:35,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:10:43,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:10:48,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:10:52,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:11:03,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:11:08,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:11:20,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:11:50,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:11:50,933 INFO L93 Difference]: Finished difference Result 41731 states and 62459 transitions. [2022-11-21 14:11:50,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-21 14:11:50,933 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 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 140 [2022-11-21 14:11:50,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:11:51,128 INFO L225 Difference]: With dead ends: 41731 [2022-11-21 14:11:51,129 INFO L226 Difference]: Without dead ends: 41729 [2022-11-21 14:11:51,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-21 14:11:51,152 INFO L413 NwaCegarLoop]: 1962 mSDtfsCounter, 14325 mSDsluCounter, 3689 mSDsCounter, 0 mSdLazyCounter, 15880 mSolverCounterSat, 7149 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 71.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14749 SdHoareTripleChecker+Valid, 5651 SdHoareTripleChecker+Invalid, 23036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 7149 IncrementalHoareTripleChecker+Valid, 15880 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 75.6s IncrementalHoareTripleChecker+Time [2022-11-21 14:11:51,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14749 Valid, 5651 Invalid, 23036 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [7149 Valid, 15880 Invalid, 7 Unknown, 0 Unchecked, 75.6s Time] [2022-11-21 14:11:51,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41729 states. [2022-11-21 14:11:53,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41729 to 41719. [2022-11-21 14:11:53,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41719 states, 29128 states have (on average 1.384338093930239) internal successors, (40323), 30520 states have internal predecessors, (40323), 10822 states have call successors, (10822), 1731 states have call predecessors, (10822), 1738 states have return successors, (11306), 10192 states have call predecessors, (11306), 10820 states have call successors, (11306) [2022-11-21 14:11:54,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41719 states to 41719 states and 62451 transitions. [2022-11-21 14:11:54,216 INFO L78 Accepts]: Start accepts. Automaton has 41719 states and 62451 transitions. Word has length 140 [2022-11-21 14:11:54,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:11:54,217 INFO L495 AbstractCegarLoop]: Abstraction has 41719 states and 62451 transitions. [2022-11-21 14:11:54,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 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) [2022-11-21 14:11:54,217 INFO L276 IsEmpty]: Start isEmpty. Operand 41719 states and 62451 transitions. [2022-11-21 14:11:54,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-11-21 14:11:54,221 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:11:54,221 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:11:54,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-21 14:11:54,222 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2022-11-21 14:11:54,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:11:54,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1497619133, now seen corresponding path program 1 times [2022-11-21 14:11:54,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:11:54,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558950782] [2022-11-21 14:11:54,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:11:54,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:11:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:11:55,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:11:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:11:55,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 14:11:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:11:55,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 14:11:55,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:11:55,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:11:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:11:55,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:11:55,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:11:55,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-21 14:11:55,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:11:55,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:11:55,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:11:55,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:11:55,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:11:55,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-21 14:11:55,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:11:55,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 14:11:55,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:11:55,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 14:11:55,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:11:55,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 14:11:55,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:11:55,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-21 14:11:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:11:55,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-21 14:11:55,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:11:55,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:11:55,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:11:55,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-21 14:11:55,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:11:55,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-21 14:11:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:11:55,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-21 14:11:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:11:55,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 14:11:55,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:11:55,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-21 14:11:55,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:11:55,577 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2022-11-21 14:11:55,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:11:55,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558950782] [2022-11-21 14:11:55,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558950782] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:11:55,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:11:55,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 14:11:55,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113573092] [2022-11-21 14:11:55,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:11:55,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 14:11:55,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:11:55,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 14:11:55,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 14:11:55,580 INFO L87 Difference]: Start difference. First operand 41719 states and 62451 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 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) [2022-11-21 14:11:57,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:11:59,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:12:08,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:12:14,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:12:17,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:12:28,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:12:34,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:12:51,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:13:22,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:13:22,488 INFO L93 Difference]: Finished difference Result 52771 states and 79049 transitions. [2022-11-21 14:13:22,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-21 14:13:22,489 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 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 146 [2022-11-21 14:13:22,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:13:22,745 INFO L225 Difference]: With dead ends: 52771 [2022-11-21 14:13:22,745 INFO L226 Difference]: Without dead ends: 52769 [2022-11-21 14:13:22,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-21 14:13:22,778 INFO L413 NwaCegarLoop]: 1964 mSDtfsCounter, 15021 mSDsluCounter, 3693 mSDsCounter, 0 mSdLazyCounter, 17613 mSolverCounterSat, 7637 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 77.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15444 SdHoareTripleChecker+Valid, 5657 SdHoareTripleChecker+Invalid, 25258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 7637 IncrementalHoareTripleChecker+Valid, 17613 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 81.9s IncrementalHoareTripleChecker+Time [2022-11-21 14:13:22,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15444 Valid, 5657 Invalid, 25258 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [7637 Valid, 17613 Invalid, 8 Unknown, 0 Unchecked, 81.9s Time] [2022-11-21 14:13:22,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52769 states. [2022-11-21 14:13:26,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52769 to 47135. [2022-11-21 14:13:26,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47135 states, 33029 states have (on average 1.3885373459686943) internal successors, (45862), 34692 states have internal predecessors, (45862), 12112 states have call successors, (12112), 1957 states have call predecessors, (12112), 1964 states have return successors, (12584), 11322 states have call predecessors, (12584), 12110 states have call successors, (12584) [2022-11-21 14:13:26,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47135 states to 47135 states and 70558 transitions. [2022-11-21 14:13:26,878 INFO L78 Accepts]: Start accepts. Automaton has 47135 states and 70558 transitions. Word has length 146 [2022-11-21 14:13:26,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:13:26,879 INFO L495 AbstractCegarLoop]: Abstraction has 47135 states and 70558 transitions. [2022-11-21 14:13:26,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 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) [2022-11-21 14:13:26,880 INFO L276 IsEmpty]: Start isEmpty. Operand 47135 states and 70558 transitions. [2022-11-21 14:13:26,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-11-21 14:13:26,884 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:13:26,884 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-21 14:13:26,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-21 14:13:26,885 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2022-11-21 14:13:26,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:13:26,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1247309636, now seen corresponding path program 1 times [2022-11-21 14:13:26,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:13:26,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234858791] [2022-11-21 14:13:26,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:13:26,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:13:27,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:13:28,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:13:28,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:13:28,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 14:13:28,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:13:28,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 14:13:28,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:13:28,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:13:28,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:13:28,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:13:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:13:28,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-21 14:13:28,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:13:28,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:13:28,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:13:28,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:13:28,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:13:28,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-21 14:13:28,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:13:28,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 14:13:28,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:13:28,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 14:13:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:13:28,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-21 14:13:28,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:13:28,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:13:28,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:13:28,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:13:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:13:28,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 14:13:28,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:13:28,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-21 14:13:28,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:13:28,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:13:28,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:13:28,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:13:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:13:28,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 14:13:28,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:13:28,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-21 14:13:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:13:28,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:13:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:13:28,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:13:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:13:28,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 14:13:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:13:28,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-21 14:13:28,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:13:28,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-21 14:13:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:13:28,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-21 14:13:28,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:13:29,004 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-11-21 14:13:29,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:13:29,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234858791] [2022-11-21 14:13:29,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234858791] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:13:29,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:13:29,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 14:13:29,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289371361] [2022-11-21 14:13:29,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:13:29,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 14:13:29,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:13:29,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 14:13:29,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 14:13:29,007 INFO L87 Difference]: Start difference. First operand 47135 states and 70558 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-21 14:13:31,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:14:10,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:14:10,668 INFO L93 Difference]: Finished difference Result 49907 states and 75818 transitions. [2022-11-21 14:14:10,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-21 14:14:10,670 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (21), 4 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 170 [2022-11-21 14:14:10,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:14:10,937 INFO L225 Difference]: With dead ends: 49907 [2022-11-21 14:14:10,937 INFO L226 Difference]: Without dead ends: 49905 [2022-11-21 14:14:10,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-21 14:14:10,968 INFO L413 NwaCegarLoop]: 5616 mSDtfsCounter, 8621 mSDsluCounter, 12695 mSDsCounter, 0 mSdLazyCounter, 9759 mSolverCounterSat, 2915 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9464 SdHoareTripleChecker+Valid, 18311 SdHoareTripleChecker+Invalid, 12675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 2915 IncrementalHoareTripleChecker+Valid, 9759 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.1s IncrementalHoareTripleChecker+Time [2022-11-21 14:14:10,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9464 Valid, 18311 Invalid, 12675 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [2915 Valid, 9759 Invalid, 1 Unknown, 0 Unchecked, 37.1s Time] [2022-11-21 14:14:11,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49905 states. [2022-11-21 14:14:14,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49905 to 47595. [2022-11-21 14:14:14,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47595 states, 33313 states have (on average 1.387266232401765) internal successors, (46214), 35012 states have internal predecessors, (46214), 12220 states have call successors, (12220), 2013 states have call predecessors, (12220), 2032 states have return successors, (12740), 11418 states have call predecessors, (12740), 12218 states have call successors, (12740) [2022-11-21 14:14:15,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47595 states to 47595 states and 71174 transitions. [2022-11-21 14:14:15,209 INFO L78 Accepts]: Start accepts. Automaton has 47595 states and 71174 transitions. Word has length 170 [2022-11-21 14:14:15,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:14:15,210 INFO L495 AbstractCegarLoop]: Abstraction has 47595 states and 71174 transitions. [2022-11-21 14:14:15,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-21 14:14:15,210 INFO L276 IsEmpty]: Start isEmpty. Operand 47595 states and 71174 transitions. [2022-11-21 14:14:15,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-11-21 14:14:15,214 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:14:15,214 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:14:15,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-21 14:14:15,214 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2022-11-21 14:14:15,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:14:15,215 INFO L85 PathProgramCache]: Analyzing trace with hash -168150796, now seen corresponding path program 1 times [2022-11-21 14:14:15,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:14:15,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414593768] [2022-11-21 14:14:15,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:14:15,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:14:15,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:14:16,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:14:16,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:14:16,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 14:14:16,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:14:16,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 14:14:16,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:14:16,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:14:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:14:16,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:14:16,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:14:16,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-21 14:14:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:14:16,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:14:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:14:16,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:14:16,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:14:16,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-21 14:14:16,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:14:16,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 14:14:16,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:14:16,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 14:14:16,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:14:16,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 14:14:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:14:16,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-21 14:14:16,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:14:16,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-21 14:14:16,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:14:16,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:14:16,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:14:16,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-21 14:14:16,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:14:16,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-21 14:14:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:14:17,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-21 14:14:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:14:17,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 14:14:17,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:14:17,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-21 14:14:17,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:14:17,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-21 14:14:17,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:14:17,058 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2022-11-21 14:14:17,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:14:17,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414593768] [2022-11-21 14:14:17,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414593768] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:14:17,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:14:17,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 14:14:17,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817296287] [2022-11-21 14:14:17,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:14:17,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 14:14:17,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:14:17,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 14:14:17,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 14:14:17,063 INFO L87 Difference]: Start difference. First operand 47595 states and 71174 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 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) [2022-11-21 14:14:19,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:14:21,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:14:36,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:14:42,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:14:45,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:14:59,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:15:04,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []