./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--ozwpan--ozwpan.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_dcd58d74-fe4a-4140-8811-2f5cad938721/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/bin/uautomizer-TMbwUNV5ro --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 35c53346dd316b8c10606df4fbc6b2f8282f97860ff3738ef0364e482c1db87c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 19:52:23,954 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:52:23,956 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:52:23,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:52:23,978 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:52:23,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:52:23,980 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:52:23,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:52:23,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:52:23,985 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:52:23,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:52:23,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:52:23,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:52:23,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:52:23,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:52:23,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:52:23,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:52:23,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:52:23,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:52:23,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:52:23,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:52:24,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:52:24,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:52:24,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:52:24,019 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:52:24,027 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:52:24,027 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:52:24,028 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:52:24,029 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:52:24,030 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:52:24,030 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:52:24,031 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:52:24,032 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:52:24,033 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:52:24,035 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:52:24,036 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:52:24,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:52:24,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:52:24,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:52:24,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:52:24,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:52:24,041 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 19:52:24,077 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:52:24,080 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:52:24,081 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:52:24,081 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:52:24,082 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:52:24,083 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:52:24,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:52:24,084 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:52:24,084 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:52:24,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:52:24,085 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:52:24,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:52:24,086 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:52:24,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:52:24,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:52:24,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:52:24,086 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:52:24,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:52:24,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:52:24,087 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:52:24,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:52:24,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:52:24,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:52:24,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:52:24,088 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:52:24,088 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:52:24,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:52:24,090 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:52:24,091 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:52:24,091 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:52:24,091 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_dcd58d74-fe4a-4140-8811-2f5cad938721/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35c53346dd316b8c10606df4fbc6b2f8282f97860ff3738ef0364e482c1db87c [2022-11-18 19:52:24,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:52:24,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:52:24,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:52:24,383 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:52:24,384 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:52:24,385 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i [2022-11-18 19:52:24,462 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/bin/uautomizer-TMbwUNV5ro/data/8829ffa32/b603c43adb9d46adb92ce0f484f9fe43/FLAG6ffe250fe [2022-11-18 19:52:25,603 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:52:25,604 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i [2022-11-18 19:52:25,679 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/bin/uautomizer-TMbwUNV5ro/data/8829ffa32/b603c43adb9d46adb92ce0f484f9fe43/FLAG6ffe250fe [2022-11-18 19:52:25,787 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/bin/uautomizer-TMbwUNV5ro/data/8829ffa32/b603c43adb9d46adb92ce0f484f9fe43 [2022-11-18 19:52:25,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:52:25,793 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:52:25,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:52:25,798 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:52:25,805 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:52:25,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:52:25" (1/1) ... [2022-11-18 19:52:25,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72ab2f97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:25, skipping insertion in model container [2022-11-18 19:52:25,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:52:25" (1/1) ... [2022-11-18 19:52:25,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:52:26,078 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:52:35,442 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[671828,671841] [2022-11-18 19:52:35,446 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[671973,671986] [2022-11-18 19:52:35,447 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[672119,672132] [2022-11-18 19:52:35,447 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[672284,672297] [2022-11-18 19:52:35,448 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[672442,672455] [2022-11-18 19:52:35,449 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[672600,672613] [2022-11-18 19:52:35,449 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[672758,672771] [2022-11-18 19:52:35,450 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[672918,672931] [2022-11-18 19:52:35,450 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[673077,673090] [2022-11-18 19:52:35,451 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[673216,673229] [2022-11-18 19:52:35,452 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[673358,673371] [2022-11-18 19:52:35,452 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[673507,673520] [2022-11-18 19:52:35,453 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[673646,673659] [2022-11-18 19:52:35,453 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[673801,673814] [2022-11-18 19:52:35,454 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[673961,673974] [2022-11-18 19:52:35,454 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[674112,674125] [2022-11-18 19:52:35,455 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[674263,674276] [2022-11-18 19:52:35,456 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[674415,674428] [2022-11-18 19:52:35,456 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[674564,674577] [2022-11-18 19:52:35,457 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[674712,674725] [2022-11-18 19:52:35,457 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[674869,674882] [2022-11-18 19:52:35,458 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[675018,675031] [2022-11-18 19:52:35,458 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[675174,675187] [2022-11-18 19:52:35,459 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[675327,675340] [2022-11-18 19:52:35,460 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[675473,675486] [2022-11-18 19:52:35,460 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[675616,675629] [2022-11-18 19:52:35,461 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[675768,675781] [2022-11-18 19:52:35,461 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[675914,675927] [2022-11-18 19:52:35,462 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[676059,676072] [2022-11-18 19:52:35,462 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[676213,676226] [2022-11-18 19:52:35,463 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[676364,676377] [2022-11-18 19:52:35,463 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[676519,676532] [2022-11-18 19:52:35,464 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[676671,676684] [2022-11-18 19:52:35,464 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[676826,676839] [2022-11-18 19:52:35,465 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[676990,677003] [2022-11-18 19:52:35,465 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[677146,677159] [2022-11-18 19:52:35,466 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[677310,677323] [2022-11-18 19:52:35,466 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[677452,677465] [2022-11-18 19:52:35,467 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[677610,677623] [2022-11-18 19:52:35,467 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[677777,677790] [2022-11-18 19:52:35,468 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[677936,677949] [2022-11-18 19:52:35,468 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[678095,678108] [2022-11-18 19:52:35,469 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[678244,678257] [2022-11-18 19:52:35,470 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[678391,678404] [2022-11-18 19:52:35,470 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[678530,678543] [2022-11-18 19:52:35,471 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[678693,678706] [2022-11-18 19:52:35,471 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[678859,678872] [2022-11-18 19:52:35,472 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[679023,679036] [2022-11-18 19:52:35,472 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[679188,679201] [2022-11-18 19:52:35,473 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[679353,679366] [2022-11-18 19:52:35,473 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[679519,679532] [2022-11-18 19:52:35,474 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[679684,679697] [2022-11-18 19:52:35,474 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[679851,679864] [2022-11-18 19:52:35,475 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[680011,680024] [2022-11-18 19:52:35,476 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[680173,680186] [2022-11-18 19:52:35,476 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[680332,680345] [2022-11-18 19:52:35,477 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[680478,680491] [2022-11-18 19:52:35,477 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[680621,680634] [2022-11-18 19:52:35,478 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[680765,680778] [2022-11-18 19:52:35,478 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[680908,680921] [2022-11-18 19:52:35,479 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[681052,681065] [2022-11-18 19:52:35,480 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[681193,681206] [2022-11-18 19:52:35,480 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[681331,681344] [2022-11-18 19:52:35,481 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[681489,681502] [2022-11-18 19:52:35,481 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[681648,681661] [2022-11-18 19:52:35,482 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[681804,681817] [2022-11-18 19:52:35,482 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[681953,681966] [2022-11-18 19:52:35,483 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[682105,682118] [2022-11-18 19:52:35,483 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[682256,682269] [2022-11-18 19:52:35,484 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[682405,682418] [2022-11-18 19:52:35,484 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[682557,682570] [2022-11-18 19:52:35,485 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[682705,682718] [2022-11-18 19:52:35,485 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[682858,682871] [2022-11-18 19:52:35,486 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[683009,683022] [2022-11-18 19:52:35,486 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[683159,683172] [2022-11-18 19:52:35,487 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[683306,683319] [2022-11-18 19:52:35,487 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[683457,683470] [2022-11-18 19:52:35,488 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[683608,683621] [2022-11-18 19:52:35,488 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[683756,683769] [2022-11-18 19:52:35,489 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[683922,683935] [2022-11-18 19:52:35,489 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[684091,684104] [2022-11-18 19:52:35,490 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[684258,684271] [2022-11-18 19:52:35,490 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[684426,684439] [2022-11-18 19:52:35,491 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[684576,684589] [2022-11-18 19:52:35,492 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[684723,684736] [2022-11-18 19:52:35,492 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[684884,684897] [2022-11-18 19:52:35,493 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[685054,685067] [2022-11-18 19:52:35,493 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[685216,685229] [2022-11-18 19:52:35,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:52:35,531 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:52:36,357 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[671828,671841] [2022-11-18 19:52:36,358 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[671973,671986] [2022-11-18 19:52:36,360 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[672119,672132] [2022-11-18 19:52:36,361 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[672284,672297] [2022-11-18 19:52:36,362 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[672442,672455] [2022-11-18 19:52:36,363 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[672600,672613] [2022-11-18 19:52:36,365 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[672758,672771] [2022-11-18 19:52:36,365 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[672918,672931] [2022-11-18 19:52:36,366 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[673077,673090] [2022-11-18 19:52:36,367 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[673216,673229] [2022-11-18 19:52:36,368 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[673358,673371] [2022-11-18 19:52:36,369 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[673507,673520] [2022-11-18 19:52:36,370 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[673646,673659] [2022-11-18 19:52:36,371 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[673801,673814] [2022-11-18 19:52:36,373 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[673961,673974] [2022-11-18 19:52:36,374 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[674112,674125] [2022-11-18 19:52:36,375 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[674263,674276] [2022-11-18 19:52:36,375 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[674415,674428] [2022-11-18 19:52:36,376 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[674564,674577] [2022-11-18 19:52:36,377 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[674712,674725] [2022-11-18 19:52:36,377 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[674869,674882] [2022-11-18 19:52:36,378 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[675018,675031] [2022-11-18 19:52:36,378 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[675174,675187] [2022-11-18 19:52:36,380 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[675327,675340] [2022-11-18 19:52:36,380 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[675473,675486] [2022-11-18 19:52:36,381 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[675616,675629] [2022-11-18 19:52:36,382 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[675768,675781] [2022-11-18 19:52:36,382 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[675914,675927] [2022-11-18 19:52:36,383 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[676059,676072] [2022-11-18 19:52:36,383 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[676213,676226] [2022-11-18 19:52:36,384 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[676364,676377] [2022-11-18 19:52:36,384 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[676519,676532] [2022-11-18 19:52:36,385 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[676671,676684] [2022-11-18 19:52:36,385 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[676826,676839] [2022-11-18 19:52:36,386 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[676990,677003] [2022-11-18 19:52:36,386 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[677146,677159] [2022-11-18 19:52:36,387 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[677310,677323] [2022-11-18 19:52:36,388 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[677452,677465] [2022-11-18 19:52:36,388 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[677610,677623] [2022-11-18 19:52:36,389 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[677777,677790] [2022-11-18 19:52:36,391 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[677936,677949] [2022-11-18 19:52:36,391 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[678095,678108] [2022-11-18 19:52:36,392 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[678244,678257] [2022-11-18 19:52:36,392 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[678391,678404] [2022-11-18 19:52:36,392 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[678530,678543] [2022-11-18 19:52:36,393 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[678693,678706] [2022-11-18 19:52:36,393 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[678859,678872] [2022-11-18 19:52:36,394 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[679023,679036] [2022-11-18 19:52:36,394 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[679188,679201] [2022-11-18 19:52:36,395 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[679353,679366] [2022-11-18 19:52:36,396 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[679519,679532] [2022-11-18 19:52:36,397 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[679684,679697] [2022-11-18 19:52:36,397 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[679851,679864] [2022-11-18 19:52:36,398 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[680011,680024] [2022-11-18 19:52:36,398 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[680173,680186] [2022-11-18 19:52:36,399 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[680332,680345] [2022-11-18 19:52:36,399 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[680478,680491] [2022-11-18 19:52:36,400 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[680621,680634] [2022-11-18 19:52:36,400 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[680765,680778] [2022-11-18 19:52:36,401 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[680908,680921] [2022-11-18 19:52:36,401 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[681052,681065] [2022-11-18 19:52:36,401 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[681193,681206] [2022-11-18 19:52:36,403 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[681331,681344] [2022-11-18 19:52:36,408 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[681489,681502] [2022-11-18 19:52:36,411 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[681648,681661] [2022-11-18 19:52:36,412 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[681804,681817] [2022-11-18 19:52:36,413 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[681953,681966] [2022-11-18 19:52:36,414 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[682105,682118] [2022-11-18 19:52:36,415 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[682256,682269] [2022-11-18 19:52:36,416 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[682405,682418] [2022-11-18 19:52:36,417 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[682557,682570] [2022-11-18 19:52:36,418 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[682705,682718] [2022-11-18 19:52:36,418 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[682858,682871] [2022-11-18 19:52:36,423 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[683009,683022] [2022-11-18 19:52:36,424 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[683159,683172] [2022-11-18 19:52:36,424 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[683306,683319] [2022-11-18 19:52:36,424 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[683457,683470] [2022-11-18 19:52:36,425 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[683608,683621] [2022-11-18 19:52:36,426 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[683756,683769] [2022-11-18 19:52:36,427 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[683922,683935] [2022-11-18 19:52:36,427 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[684091,684104] [2022-11-18 19:52:36,428 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[684258,684271] [2022-11-18 19:52:36,429 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[684426,684439] [2022-11-18 19:52:36,429 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[684576,684589] [2022-11-18 19:52:36,429 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[684723,684736] [2022-11-18 19:52:36,430 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[684884,684897] [2022-11-18 19:52:36,431 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[685054,685067] [2022-11-18 19:52:36,431 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i[685216,685229] [2022-11-18 19:52:36,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:52:36,914 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:52:36,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:36 WrapperNode [2022-11-18 19:52:36,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:52:36,916 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:52:36,916 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:52:36,917 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:52:36,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:36" (1/1) ... [2022-11-18 19:52:37,124 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:36" (1/1) ... [2022-11-18 19:52:37,509 INFO L138 Inliner]: procedures = 971, calls = 5529, calls flagged for inlining = 439, calls inlined = 309, statements flattened = 10292 [2022-11-18 19:52:37,509 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:52:37,510 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:52:37,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:52:37,511 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:52:37,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:36" (1/1) ... [2022-11-18 19:52:37,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:36" (1/1) ... [2022-11-18 19:52:37,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:36" (1/1) ... [2022-11-18 19:52:37,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:36" (1/1) ... [2022-11-18 19:52:37,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:36" (1/1) ... [2022-11-18 19:52:37,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:36" (1/1) ... [2022-11-18 19:52:37,911 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:36" (1/1) ... [2022-11-18 19:52:37,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:36" (1/1) ... [2022-11-18 19:52:38,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:52:38,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:52:38,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:52:38,021 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:52:38,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:36" (1/1) ... [2022-11-18 19:52:38,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:52:38,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:52:38,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:52:38,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:52:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2022-11-18 19:52:38,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2022-11-18 19:52:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure oz_usb_farewell [2022-11-18 19:52:38,099 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_usb_farewell [2022-11-18 19:52:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-18 19:52:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-11-18 19:52:38,100 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-11-18 19:52:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2022-11-18 19:52:38,100 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2022-11-18 19:52:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure oz_usb_stop [2022-11-18 19:52:38,100 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_usb_stop [2022-11-18 19:52:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_134 [2022-11-18 19:52:38,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_134 [2022-11-18 19:52:38,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-18 19:52:38,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-18 19:52:38,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-18 19:52:38,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-18 19:52:38,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_tx_frame_lock_of_oz_pd [2022-11-18 19:52:38,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_tx_frame_lock_of_oz_pd [2022-11-18 19:52:38,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_g_tasklet_lock [2022-11-18 19:52:38,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_g_tasklet_lock [2022-11-18 19:52:38,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_152 [2022-11-18 19:52:38,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_152 [2022-11-18 19:52:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-18 19:52:38,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-18 19:52:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure oz_get_port_from_addr [2022-11-18 19:52:38,102 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_get_port_from_addr [2022-11-18 19:52:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure oz_tx_isoc_free [2022-11-18 19:52:38,102 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_tx_isoc_free [2022-11-18 19:52:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-18 19:52:38,102 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-18 19:52:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure oz_pd_stop [2022-11-18 19:52:38,102 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_pd_stop [2022-11-18 19:52:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-18 19:52:38,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-18 19:52:38,103 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-18 19:52:38,103 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-18 19:52:38,103 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-18 19:52:38,103 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-18 19:52:38,103 INFO L130 BoogieDeclarations]: Found specification of procedure oz_usb_start [2022-11-18 19:52:38,103 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_usb_start [2022-11-18 19:52:38,103 INFO L130 BoogieDeclarations]: Found specification of procedure oz_tx_frame_alloc [2022-11-18 19:52:38,103 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_tx_frame_alloc [2022-11-18 19:52:38,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-18 19:52:38,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-18 19:52:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 19:52:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-18 19:52:38,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-18 19:52:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-18 19:52:38,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-18 19:52:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure oz_usb_get_frame_number [2022-11-18 19:52:38,104 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_usb_get_frame_number [2022-11-18 19:52:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2022-11-18 19:52:38,105 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2022-11-18 19:52:38,105 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_copy [2022-11-18 19:52:38,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_copy [2022-11-18 19:52:38,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-18 19:52:38,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-18 19:52:38,105 INFO L130 BoogieDeclarations]: Found specification of procedure oz_hcd_buffer_data [2022-11-18 19:52:38,105 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_hcd_buffer_data [2022-11-18 19:52:38,105 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-18 19:52:38,105 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-18 19:52:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure oz_usb_get_desc_req [2022-11-18 19:52:38,106 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_usb_get_desc_req [2022-11-18 19:52:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure oz_usb_request_heartbeat [2022-11-18 19:52:38,106 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_usb_request_heartbeat [2022-11-18 19:52:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-18 19:52:38,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-18 19:52:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 19:52:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure oz_elt_info_alloc [2022-11-18 19:52:38,106 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_elt_info_alloc [2022-11-18 19:52:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-18 19:52:38,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-18 19:52:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:52:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_cancel [2022-11-18 19:52:38,107 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_cancel [2022-11-18 19:52:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-18 19:52:38,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-18 19:52:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 19:52:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-18 19:52:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_set [2022-11-18 19:52:38,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_set [2022-11-18 19:52:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-18 19:52:38,108 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-18 19:52:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure oz_hcd_data_ind [2022-11-18 19:52:38,108 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_hcd_data_ind [2022-11-18 19:52:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure oz_usb_submit_elt [2022-11-18 19:52:38,108 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_usb_submit_elt [2022-11-18 19:52:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put___0 [2022-11-18 19:52:38,109 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put___0 [2022-11-18 19:52:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-18 19:52:38,109 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-18 19:52:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_122___0 [2022-11-18 19:52:38,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_122___0 [2022-11-18 19:52:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure oz_clean_endpoints_for_interface [2022-11-18 19:52:38,109 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_clean_endpoints_for_interface [2022-11-18 19:52:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_oz_elt_buf [2022-11-18 19:52:38,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_oz_elt_buf [2022-11-18 19:52:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure oz_hcd_bus_suspend [2022-11-18 19:52:38,110 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_hcd_bus_suspend [2022-11-18 19:52:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_121___0 [2022-11-18 19:52:38,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_121___0 [2022-11-18 19:52:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure oz_hcd_shutdown [2022-11-18 19:52:38,110 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_hcd_shutdown [2022-11-18 19:52:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure oz_pd_set_state [2022-11-18 19:52:38,110 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_pd_set_state [2022-11-18 19:52:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:52:38,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:52:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-18 19:52:38,111 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-18 19:52:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure oz_plat_remove [2022-11-18 19:52:38,111 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_plat_remove [2022-11-18 19:52:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 19:52:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure oz_hcd_claim [2022-11-18 19:52:38,199 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_hcd_claim [2022-11-18 19:52:38,199 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-18 19:52:38,199 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-18 19:52:38,199 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-18 19:52:38,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_hcd_lock_of_oz_hcd [2022-11-18 19:52:38,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_hcd_lock_of_oz_hcd [2022-11-18 19:52:38,199 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_network_header [2022-11-18 19:52:38,200 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_network_header [2022-11-18 19:52:38,200 INFO L130 BoogieDeclarations]: Found specification of procedure dev_hard_header [2022-11-18 19:52:38,200 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_hard_header [2022-11-18 19:52:38,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 19:52:38,200 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 19:52:38,200 INFO L130 BoogieDeclarations]: Found specification of procedure oz_pd_get [2022-11-18 19:52:38,200 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_pd_get [2022-11-18 19:52:38,200 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-11-18 19:52:38,200 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-11-18 19:52:38,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-18 19:52:38,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-18 19:52:38,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_125 [2022-11-18 19:52:38,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_125 [2022-11-18 19:52:38,201 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2022-11-18 19:52:38,201 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2022-11-18 19:52:38,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-18 19:52:38,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-18 19:52:38,201 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_to_ns [2022-11-18 19:52:38,201 INFO L138 BoogieDeclarations]: Found implementation of procedure timespec_to_ns [2022-11-18 19:52:38,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 19:52:38,201 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-18 19:52:38,201 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-18 19:52:38,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-18 19:52:38,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-18 19:52:38,201 INFO L130 BoogieDeclarations]: Found specification of procedure oz_app_enable [2022-11-18 19:52:38,202 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_app_enable [2022-11-18 19:52:38,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_base_class__double_registration [2022-11-18 19:52:38,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_base_class__double_registration [2022-11-18 19:52:38,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 19:52:38,202 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-11-18 19:52:38,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-11-18 19:52:38,202 INFO L130 BoogieDeclarations]: Found specification of procedure oz_hcd_start [2022-11-18 19:52:38,202 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_hcd_start [2022-11-18 19:52:38,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_121 [2022-11-18 19:52:38,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_121 [2022-11-18 19:52:38,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_126 [2022-11-18 19:52:38,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_126 [2022-11-18 19:52:38,202 INFO L130 BoogieDeclarations]: Found specification of procedure oz_isoc_stream_free [2022-11-18 19:52:38,203 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_isoc_stream_free [2022-11-18 19:52:38,203 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2022-11-18 19:52:38,203 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2022-11-18 19:52:38,203 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-18 19:52:38,203 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-18 19:52:38,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_124___3 [2022-11-18 19:52:38,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_124___3 [2022-11-18 19:52:38,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_oz_cdev [2022-11-18 19:52:38,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_oz_cdev [2022-11-18 19:52:38,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-18 19:52:38,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-18 19:52:38,203 INFO L130 BoogieDeclarations]: Found specification of procedure oz_process_ep0_urb [2022-11-18 19:52:38,203 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_process_ep0_urb [2022-11-18 19:52:38,204 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-18 19:52:38,204 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-18 19:52:38,204 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-18 19:52:38,204 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-18 19:52:38,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-18 19:52:38,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-18 19:52:38,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-18 19:52:38,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-18 19:52:38,204 INFO L130 BoogieDeclarations]: Found specification of procedure oz_hcd_bus_resume [2022-11-18 19:52:38,204 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_hcd_bus_resume [2022-11-18 19:52:38,204 INFO L130 BoogieDeclarations]: Found specification of procedure oz_ep_free [2022-11-18 19:52:38,204 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_ep_free [2022-11-18 19:52:38,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 19:52:38,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 19:52:38,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 19:52:38,205 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2022-11-18 19:52:38,205 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2022-11-18 19:52:38,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_132___0 [2022-11-18 19:52:38,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_132___0 [2022-11-18 19:52:38,205 INFO L130 BoogieDeclarations]: Found specification of procedure oz_plat_shutdown [2022-11-18 19:52:38,205 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_plat_shutdown [2022-11-18 19:52:38,205 INFO L130 BoogieDeclarations]: Found specification of procedure oz_hcd_control_cnf [2022-11-18 19:52:38,205 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_hcd_control_cnf [2022-11-18 19:52:38,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_unregister_chrdev_region [2022-11-18 19:52:38,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_unregister_chrdev_region [2022-11-18 19:52:38,205 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-11-18 19:52:38,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-11-18 19:52:38,206 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-11-18 19:52:38,206 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-11-18 19:52:38,206 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-18 19:52:38,206 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-18 19:52:38,206 INFO L130 BoogieDeclarations]: Found specification of procedure oz_plat_resume [2022-11-18 19:52:38,206 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_plat_resume [2022-11-18 19:52:38,206 INFO L130 BoogieDeclarations]: Found specification of procedure oz_usb_get [2022-11-18 19:52:38,206 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_usb_get [2022-11-18 19:52:38,206 INFO L130 BoogieDeclarations]: Found specification of procedure oz_queue_elt_info [2022-11-18 19:52:38,206 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_queue_elt_info [2022-11-18 19:52:38,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2022-11-18 19:52:38,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2022-11-18 19:52:38,209 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-18 19:52:38,209 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-18 19:52:38,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2022-11-18 19:52:38,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2022-11-18 19:52:38,209 INFO L130 BoogieDeclarations]: Found specification of procedure oz_cdev_claim_ctx [2022-11-18 19:52:38,209 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_cdev_claim_ctx [2022-11-18 19:52:38,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-18 19:52:38,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-18 19:52:38,210 INFO L130 BoogieDeclarations]: Found specification of procedure getrawmonotonic [2022-11-18 19:52:38,210 INFO L138 BoogieDeclarations]: Found implementation of procedure getrawmonotonic [2022-11-18 19:52:38,210 INFO L130 BoogieDeclarations]: Found specification of procedure dev_queue_xmit [2022-11-18 19:52:38,210 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_queue_xmit [2022-11-18 19:52:38,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-18 19:52:38,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-18 19:52:38,211 INFO L130 BoogieDeclarations]: Found specification of procedure oz_binding_add [2022-11-18 19:52:38,211 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_binding_add [2022-11-18 19:52:38,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_139 [2022-11-18 19:52:38,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_139 [2022-11-18 19:52:38,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_133 [2022-11-18 19:52:38,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_133 [2022-11-18 19:52:38,211 INFO L130 BoogieDeclarations]: Found specification of procedure oz_retire_frame [2022-11-18 19:52:38,211 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_retire_frame [2022-11-18 19:52:38,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 19:52:38,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 19:52:38,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_151 [2022-11-18 19:52:38,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_151 [2022-11-18 19:52:38,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-18 19:52:38,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-18 19:52:38,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-18 19:52:38,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-18 19:52:38,213 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-18 19:52:38,213 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-18 19:52:38,213 INFO L130 BoogieDeclarations]: Found specification of procedure oz_find_urb_by_id [2022-11-18 19:52:38,213 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_find_urb_by_id [2022-11-18 19:52:38,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_tx_frame_lock_of_oz_pd [2022-11-18 19:52:38,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_tx_frame_lock_of_oz_pd [2022-11-18 19:52:38,214 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_active [2022-11-18 19:52:38,214 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_active [2022-11-18 19:52:38,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-18 19:52:38,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-18 19:52:38,214 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-11-18 19:52:38,214 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-11-18 19:52:38,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-18 19:52:38,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-18 19:52:38,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-18 19:52:38,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-18 19:52:38,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cdev_del [2022-11-18 19:52:38,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cdev_del [2022-11-18 19:52:38,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 19:52:38,215 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-11-18 19:52:38,215 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-11-18 19:52:38,216 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2022-11-18 19:52:38,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2022-11-18 19:52:38,216 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-18 19:52:38,216 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-18 19:52:38,216 INFO L130 BoogieDeclarations]: Found specification of procedure oz_pd_request_heartbeat [2022-11-18 19:52:38,216 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_pd_request_heartbeat [2022-11-18 19:52:38,216 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2022-11-18 19:52:38,217 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_sub [2022-11-18 19:52:38,217 INFO L138 BoogieDeclarations]: Found implementation of procedure timespec_sub [2022-11-18 19:52:38,217 INFO L130 BoogieDeclarations]: Found specification of procedure oz_build_endpoints_for_interface [2022-11-18 19:52:38,217 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_build_endpoints_for_interface [2022-11-18 19:52:38,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 19:52:38,217 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-18 19:52:38,217 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-18 19:52:38,217 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-18 19:52:38,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-18 19:52:38,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_123___4 [2022-11-18 19:52:38,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_123___4 [2022-11-18 19:52:38,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 19:52:38,218 INFO L130 BoogieDeclarations]: Found specification of procedure oz_plat_probe [2022-11-18 19:52:38,218 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_plat_probe [2022-11-18 19:52:38,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-18 19:52:38,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-18 19:52:38,219 INFO L130 BoogieDeclarations]: Found specification of procedure oz_pd_destroy [2022-11-18 19:52:38,219 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_pd_destroy [2022-11-18 19:52:38,219 INFO L130 BoogieDeclarations]: Found specification of procedure oz_usb_rx [2022-11-18 19:52:38,219 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_usb_rx [2022-11-18 19:52:38,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-18 19:52:38,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-18 19:52:38,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 19:52:38,220 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 19:52:38,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-18 19:52:38,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-18 19:52:38,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-18 19:52:38,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-18 19:52:38,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_fs_char_dev__double_registration [2022-11-18 19:52:38,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_fs_char_dev__double_registration [2022-11-18 19:52:38,221 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-18 19:52:38,221 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-18 19:52:38,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-18 19:52:38,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-18 19:52:38,221 INFO L130 BoogieDeclarations]: Found specification of procedure pd_stream_find [2022-11-18 19:52:38,221 INFO L138 BoogieDeclarations]: Found implementation of procedure pd_stream_find [2022-11-18 19:52:38,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_135 [2022-11-18 19:52:38,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_135 [2022-11-18 19:52:38,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_136 [2022-11-18 19:52:38,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_136 [2022-11-18 19:52:38,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_143 [2022-11-18 19:52:38,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_143 [2022-11-18 19:52:38,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_g_tasklet_lock [2022-11-18 19:52:38,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_g_tasklet_lock [2022-11-18 19:52:38,223 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_poll_rh_status [2022-11-18 19:52:38,223 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_poll_rh_status [2022-11-18 19:52:38,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_148 [2022-11-18 19:52:38,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_148 [2022-11-18 19:52:38,223 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 19:52:38,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 19:52:38,223 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-18 19:52:38,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-18 19:52:38,224 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-11-18 19:52:38,224 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-11-18 19:52:38,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_g_polling_lock [2022-11-18 19:52:38,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_g_polling_lock [2022-11-18 19:52:38,224 INFO L130 BoogieDeclarations]: Found specification of procedure oz_usb_set_clear_feature_req [2022-11-18 19:52:38,224 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_usb_set_clear_feature_req [2022-11-18 19:52:38,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_unregister [2022-11-18 19:52:38,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_unregister [2022-11-18 19:52:38,225 INFO L130 BoogieDeclarations]: Found specification of procedure oz_ep_alloc [2022-11-18 19:52:38,225 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_ep_alloc [2022-11-18 19:52:38,225 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-18 19:52:38,225 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-18 19:52:38,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_hcd_lock_of_oz_hcd [2022-11-18 19:52:38,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_hcd_lock_of_oz_hcd [2022-11-18 19:52:38,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-18 19:52:38,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-18 19:52:38,226 INFO L130 BoogieDeclarations]: Found specification of procedure oz_elt_info_free [2022-11-18 19:52:38,226 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_elt_info_free [2022-11-18 19:52:38,226 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-18 19:52:38,226 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-18 19:52:38,226 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2022-11-18 19:52:38,226 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2022-11-18 19:52:38,227 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2022-11-18 19:52:38,227 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2022-11-18 19:52:38,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 19:52:38,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 19:52:38,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 19:52:38,227 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-11-18 19:52:38,227 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-11-18 19:52:38,228 INFO L130 BoogieDeclarations]: Found specification of procedure oz_pd_put [2022-11-18 19:52:38,228 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_pd_put [2022-11-18 19:52:38,228 INFO L130 BoogieDeclarations]: Found specification of procedure oz_timer_add [2022-11-18 19:52:38,228 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_timer_add [2022-11-18 19:52:38,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-18 19:52:38,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-18 19:52:38,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_133___0 [2022-11-18 19:52:38,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_133___0 [2022-11-18 19:52:38,229 INFO L130 BoogieDeclarations]: Found specification of procedure oz_enqueue_ep_urb [2022-11-18 19:52:38,229 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_enqueue_ep_urb [2022-11-18 19:52:38,229 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-11-18 19:52:38,229 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-11-18 19:52:38,229 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-18 19:52:38,229 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-18 19:52:38,230 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-18 19:52:38,230 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-18 19:52:38,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_g_polling_lock [2022-11-18 19:52:38,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_g_polling_lock [2022-11-18 19:52:38,230 INFO L130 BoogieDeclarations]: Found specification of procedure oz_free_urb_link [2022-11-18 19:52:38,230 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_free_urb_link [2022-11-18 19:52:38,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 19:52:38,231 INFO L130 BoogieDeclarations]: Found specification of procedure getnstimeofday [2022-11-18 19:52:38,231 INFO L138 BoogieDeclarations]: Found implementation of procedure getnstimeofday [2022-11-18 19:52:38,231 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-18 19:52:38,231 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-18 19:52:38,231 INFO L130 BoogieDeclarations]: Found specification of procedure oz_cdev_release_ctx [2022-11-18 19:52:38,231 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_cdev_release_ctx [2022-11-18 19:52:38,231 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-18 19:52:38,231 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-18 19:52:38,232 INFO L130 BoogieDeclarations]: Found specification of procedure oz_hcd_endpoint_disable [2022-11-18 19:52:38,232 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_hcd_endpoint_disable [2022-11-18 19:52:38,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-18 19:52:38,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-18 19:52:38,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-18 19:52:38,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-18 19:52:38,232 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2022-11-18 19:52:38,233 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2022-11-18 19:52:38,233 INFO L130 BoogieDeclarations]: Found specification of procedure oz_hcd_endpoint_reset [2022-11-18 19:52:38,233 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_hcd_endpoint_reset [2022-11-18 19:52:38,233 INFO L130 BoogieDeclarations]: Found specification of procedure oz_elt_stream_put [2022-11-18 19:52:38,233 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_elt_stream_put [2022-11-18 19:52:38,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_144 [2022-11-18 19:52:38,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_144 [2022-11-18 19:52:38,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_oz_cdev [2022-11-18 19:52:38,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_oz_cdev [2022-11-18 19:52:38,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_149 [2022-11-18 19:52:38,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_149 [2022-11-18 19:52:38,234 INFO L130 BoogieDeclarations]: Found specification of procedure oz_hcd_get_frame_number [2022-11-18 19:52:38,234 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_hcd_get_frame_number [2022-11-18 19:52:38,234 INFO L130 BoogieDeclarations]: Found specification of procedure oz_pd_find [2022-11-18 19:52:38,234 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_pd_find [2022-11-18 19:52:38,235 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-18 19:52:38,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-18 19:52:38,235 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-11-18 19:52:38,235 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-11-18 19:52:38,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_136 [2022-11-18 19:52:38,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_136 [2022-11-18 19:52:38,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_137 [2022-11-18 19:52:38,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_137 [2022-11-18 19:52:38,236 INFO L130 BoogieDeclarations]: Found specification of procedure oz_usb_init [2022-11-18 19:52:38,236 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_usb_init [2022-11-18 19:52:38,236 INFO L130 BoogieDeclarations]: Found specification of procedure oz_complete_urb [2022-11-18 19:52:38,236 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_complete_urb [2022-11-18 19:52:38,236 INFO L130 BoogieDeclarations]: Found specification of procedure oz_usb_heartbeat [2022-11-18 19:52:38,236 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_usb_heartbeat [2022-11-18 19:52:38,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-18 19:52:38,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-18 19:52:38,237 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 19:52:38,237 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 19:52:38,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_122 [2022-11-18 19:52:38,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_122 [2022-11-18 19:52:38,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_127 [2022-11-18 19:52:38,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_127 [2022-11-18 19:52:38,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-18 19:52:38,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-18 19:52:38,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_oz_elt_buf [2022-11-18 19:52:38,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_oz_elt_buf [2022-11-18 19:52:38,238 INFO L130 BoogieDeclarations]: Found specification of procedure oz_hcd_put [2022-11-18 19:52:38,238 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_hcd_put [2022-11-18 19:52:38,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_unregister_chrdev_region [2022-11-18 19:52:38,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_unregister_chrdev_region [2022-11-18 19:52:38,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-18 19:52:38,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-18 19:52:38,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_port_lock_of_oz_port [2022-11-18 19:52:38,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_port_lock_of_oz_port [2022-11-18 19:52:38,239 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-18 19:52:38,239 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-18 19:52:38,240 INFO L130 BoogieDeclarations]: Found specification of procedure oz_services_stop [2022-11-18 19:52:38,240 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_services_stop [2022-11-18 19:52:38,240 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-18 19:52:38,240 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-18 19:52:38,240 INFO L130 BoogieDeclarations]: Found specification of procedure oz_usb_term [2022-11-18 19:52:38,240 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_usb_term [2022-11-18 19:52:38,240 INFO L130 BoogieDeclarations]: Found specification of procedure oz_usb_put [2022-11-18 19:52:38,240 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_usb_put [2022-11-18 19:52:38,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_140___0 [2022-11-18 19:52:38,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_140___0 [2022-11-18 19:52:38,241 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_start [2022-11-18 19:52:38,241 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_start [2022-11-18 19:52:38,241 INFO L130 BoogieDeclarations]: Found specification of procedure oz_hcd_stop [2022-11-18 19:52:38,241 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_hcd_stop [2022-11-18 19:52:38,241 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-18 19:52:38,242 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-18 19:52:38,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-18 19:52:38,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-18 19:52:38,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-18 19:52:38,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-18 19:52:38,242 INFO L130 BoogieDeclarations]: Found specification of procedure dev_remove_pack [2022-11-18 19:52:38,242 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_remove_pack [2022-11-18 19:52:38,242 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2022-11-18 19:52:38,243 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2022-11-18 19:52:38,243 INFO L130 BoogieDeclarations]: Found specification of procedure oz_alloc_urb_link [2022-11-18 19:52:38,243 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_alloc_urb_link [2022-11-18 19:52:38,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_port_lock_of_oz_port [2022-11-18 19:52:38,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_port_lock_of_oz_port [2022-11-18 19:52:38,243 INFO L130 BoogieDeclarations]: Found specification of procedure oz_clean_endpoints_for_config [2022-11-18 19:52:38,243 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_clean_endpoints_for_config [2022-11-18 19:52:38,243 INFO L130 BoogieDeclarations]: Found specification of procedure oz_hcd_private [2022-11-18 19:52:38,244 INFO L138 BoogieDeclarations]: Found implementation of procedure oz_hcd_private [2022-11-18 19:52:38,244 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-18 19:52:38,244 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-18 19:52:38,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 19:52:38,244 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2022-11-18 19:52:38,244 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2022-11-18 19:52:39,557 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:52:39,567 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:52:39,747 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 19:52:49,804 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:52:49,827 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:52:49,828 INFO L300 CfgBuilder]: Removed 18 assume(true) statements. [2022-11-18 19:52:49,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:52:49 BoogieIcfgContainer [2022-11-18 19:52:49,835 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:52:49,838 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:52:49,838 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:52:49,843 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:52:49,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:52:25" (1/3) ... [2022-11-18 19:52:49,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15c699c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:52:49, skipping insertion in model container [2022-11-18 19:52:49,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:52:36" (2/3) ... [2022-11-18 19:52:49,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15c699c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:52:49, skipping insertion in model container [2022-11-18 19:52:49,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:52:49" (3/3) ... [2022-11-18 19:52:49,852 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--staging--ozwpan--ozwpan.ko.cil.i [2022-11-18 19:52:49,874 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:52:49,874 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 35 error locations. [2022-11-18 19:52:50,022 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:52:50,031 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;@1e61b1c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:52:50,031 INFO L358 AbstractCegarLoop]: Starting to check reachability of 35 error locations. [2022-11-18 19:52:50,047 INFO L276 IsEmpty]: Start isEmpty. Operand has 3664 states, 2418 states have (on average 1.3428453267162945) internal successors, (3247), 2560 states have internal predecessors, (3247), 991 states have call successors, (991), 227 states have call predecessors, (991), 226 states have return successors, (983), 956 states have call predecessors, (983), 983 states have call successors, (983) [2022-11-18 19:52:50,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-18 19:52:50,134 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:52:50,135 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] [2022-11-18 19:52:50,135 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 33 more)] === [2022-11-18 19:52:50,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:52:50,144 INFO L85 PathProgramCache]: Analyzing trace with hash -2001799519, now seen corresponding path program 1 times [2022-11-18 19:52:50,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:52:50,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331936968] [2022-11-18 19:52:50,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:52:50,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:52:50,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:51,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:52:51,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:51,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 19:52:51,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:51,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 19:52:51,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:51,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:51,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:51,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:51,640 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-18 19:52:51,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:52:51,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331936968] [2022-11-18 19:52:51,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331936968] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:52:51,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:52:51,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:52:51,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868355085] [2022-11-18 19:52:51,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:52:51,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:52:51,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:52:51,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:52:51,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:52:51,704 INFO L87 Difference]: Start difference. First operand has 3664 states, 2418 states have (on average 1.3428453267162945) internal successors, (3247), 2560 states have internal predecessors, (3247), 991 states have call successors, (991), 227 states have call predecessors, (991), 226 states have return successors, (983), 956 states have call predecessors, (983), 983 states have call successors, (983) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-18 19:53:16,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:53:16,397 INFO L93 Difference]: Finished difference Result 11284 states and 17035 transitions. [2022-11-18 19:53:16,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:53:16,400 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (6), 3 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 37 [2022-11-18 19:53:16,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:53:16,478 INFO L225 Difference]: With dead ends: 11284 [2022-11-18 19:53:16,478 INFO L226 Difference]: Without dead ends: 7611 [2022-11-18 19:53:16,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:53:16,520 INFO L413 NwaCegarLoop]: 7899 mSDtfsCounter, 5467 mSDsluCounter, 20752 mSDsCounter, 0 mSdLazyCounter, 12734 mSolverCounterSat, 1693 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6283 SdHoareTripleChecker+Valid, 28651 SdHoareTripleChecker+Invalid, 14427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 1693 IncrementalHoareTripleChecker+Valid, 12734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:53:16,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6283 Valid, 28651 Invalid, 14427 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [1693 Valid, 12734 Invalid, 0 Unknown, 0 Unchecked, 23.2s Time] [2022-11-18 19:53:16,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7611 states. [2022-11-18 19:53:17,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7611 to 6932. [2022-11-18 19:53:17,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6932 states, 4558 states have (on average 1.3124177270732778) internal successors, (5982), 4769 states have internal predecessors, (5982), 1899 states have call successors, (1899), 442 states have call predecessors, (1899), 441 states have return successors, (1897), 1870 states have call predecessors, (1897), 1897 states have call successors, (1897) [2022-11-18 19:53:17,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6932 states to 6932 states and 9778 transitions. [2022-11-18 19:53:17,195 INFO L78 Accepts]: Start accepts. Automaton has 6932 states and 9778 transitions. Word has length 37 [2022-11-18 19:53:17,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:53:17,197 INFO L495 AbstractCegarLoop]: Abstraction has 6932 states and 9778 transitions. [2022-11-18 19:53:17,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-18 19:53:17,197 INFO L276 IsEmpty]: Start isEmpty. Operand 6932 states and 9778 transitions. [2022-11-18 19:53:17,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-18 19:53:17,201 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:53:17,201 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-18 19:53:17,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 19:53:17,202 INFO L420 AbstractCegarLoop]: === Iteration 2 === 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 33 more)] === [2022-11-18 19:53:17,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:53:17,203 INFO L85 PathProgramCache]: Analyzing trace with hash 957157373, now seen corresponding path program 1 times [2022-11-18 19:53:17,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:53:17,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428751802] [2022-11-18 19:53:17,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:53:17,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:53:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:17,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:53:17,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:17,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 19:53:17,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:17,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 19:53:17,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:17,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:17,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:17,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:53:17,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:18,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 19:53:18,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:18,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:18,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:18,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:53:18,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:18,055 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-18 19:53:18,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:53:18,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428751802] [2022-11-18 19:53:18,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428751802] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:53:18,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:53:18,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:53:18,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106734088] [2022-11-18 19:53:18,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:53:18,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:53:18,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:53:18,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:53:18,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:53:18,060 INFO L87 Difference]: Start difference. First operand 6932 states and 9778 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-18 19:53:30,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:53:30,712 INFO L93 Difference]: Finished difference Result 7512 states and 10771 transitions. [2022-11-18 19:53:30,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:53:30,713 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (7), 3 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 56 [2022-11-18 19:53:30,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:53:30,757 INFO L225 Difference]: With dead ends: 7512 [2022-11-18 19:53:30,757 INFO L226 Difference]: Without dead ends: 7510 [2022-11-18 19:53:30,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:53:30,761 INFO L413 NwaCegarLoop]: 3939 mSDtfsCounter, 5328 mSDsluCounter, 8648 mSDsCounter, 0 mSdLazyCounter, 5702 mSolverCounterSat, 1791 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5930 SdHoareTripleChecker+Valid, 12587 SdHoareTripleChecker+Invalid, 7493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1791 IncrementalHoareTripleChecker+Valid, 5702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2022-11-18 19:53:30,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5930 Valid, 12587 Invalid, 7493 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1791 Valid, 5702 Invalid, 0 Unknown, 0 Unchecked, 11.9s Time] [2022-11-18 19:53:30,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7510 states. [2022-11-18 19:53:31,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7510 to 6930. [2022-11-18 19:53:31,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6930 states, 4557 states have (on average 1.3120473996050033) internal successors, (5979), 4767 states have internal predecessors, (5979), 1899 states have call successors, (1899), 442 states have call predecessors, (1899), 441 states have return successors, (1897), 1870 states have call predecessors, (1897), 1897 states have call successors, (1897) [2022-11-18 19:53:31,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6930 states to 6930 states and 9775 transitions. [2022-11-18 19:53:31,191 INFO L78 Accepts]: Start accepts. Automaton has 6930 states and 9775 transitions. Word has length 56 [2022-11-18 19:53:31,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:53:31,192 INFO L495 AbstractCegarLoop]: Abstraction has 6930 states and 9775 transitions. [2022-11-18 19:53:31,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-18 19:53:31,193 INFO L276 IsEmpty]: Start isEmpty. Operand 6930 states and 9775 transitions. [2022-11-18 19:53:31,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-18 19:53:31,196 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:53:31,197 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-11-18 19:53:31,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 19:53:31,197 INFO L420 AbstractCegarLoop]: === Iteration 3 === 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 33 more)] === [2022-11-18 19:53:31,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:53:31,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1271914824, now seen corresponding path program 1 times [2022-11-18 19:53:31,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:53:31,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91406360] [2022-11-18 19:53:31,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:53:31,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:53:31,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:32,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:53:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:32,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 19:53:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:32,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 19:53:32,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:32,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:32,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:32,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:53:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:32,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 19:53:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:32,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:32,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:53:32,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:32,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-18 19:53:32,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:32,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 19:53:32,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:32,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:32,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:32,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:32,539 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-18 19:53:32,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:53:32,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91406360] [2022-11-18 19:53:32,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91406360] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:53:32,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:53:32,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 19:53:32,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530372456] [2022-11-18 19:53:32,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:53:32,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 19:53:32,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:53:32,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 19:53:32,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:53:32,542 INFO L87 Difference]: Start difference. First operand 6930 states and 9775 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-18 19:53:49,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:53:49,004 INFO L93 Difference]: Finished difference Result 8638 states and 12670 transitions. [2022-11-18 19:53:49,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-18 19:53:49,005 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 91 [2022-11-18 19:53:49,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:53:49,058 INFO L225 Difference]: With dead ends: 8638 [2022-11-18 19:53:49,058 INFO L226 Difference]: Without dead ends: 8636 [2022-11-18 19:53:49,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-11-18 19:53:49,064 INFO L413 NwaCegarLoop]: 3833 mSDtfsCounter, 6852 mSDsluCounter, 10269 mSDsCounter, 0 mSdLazyCounter, 8728 mSolverCounterSat, 3948 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7484 SdHoareTripleChecker+Valid, 14102 SdHoareTripleChecker+Invalid, 12676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3948 IncrementalHoareTripleChecker+Valid, 8728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2022-11-18 19:53:49,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7484 Valid, 14102 Invalid, 12676 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3948 Valid, 8728 Invalid, 0 Unknown, 0 Unchecked, 15.6s Time] [2022-11-18 19:53:49,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8636 states. [2022-11-18 19:53:49,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8636 to 7042. [2022-11-18 19:53:49,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7042 states, 4633 states have (on average 1.3077919274767968) internal successors, (6059), 4843 states have internal predecessors, (6059), 1905 states have call successors, (1905), 472 states have call predecessors, (1905), 471 states have return successors, (1903), 1876 states have call predecessors, (1903), 1903 states have call successors, (1903) [2022-11-18 19:53:49,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7042 states to 7042 states and 9867 transitions. [2022-11-18 19:53:49,641 INFO L78 Accepts]: Start accepts. Automaton has 7042 states and 9867 transitions. Word has length 91 [2022-11-18 19:53:49,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:53:49,642 INFO L495 AbstractCegarLoop]: Abstraction has 7042 states and 9867 transitions. [2022-11-18 19:53:49,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-18 19:53:49,642 INFO L276 IsEmpty]: Start isEmpty. Operand 7042 states and 9867 transitions. [2022-11-18 19:53:49,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-11-18 19:53:49,652 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:53:49,652 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:53:49,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 19:53:49,654 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-18 19:53:49,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:53:49,654 INFO L85 PathProgramCache]: Analyzing trace with hash 188800853, now seen corresponding path program 1 times [2022-11-18 19:53:49,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:53:49,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604208086] [2022-11-18 19:53:49,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:53:49,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:53:49,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:50,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:53:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:50,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 19:53:50,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:50,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 19:53:50,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:50,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:50,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:53:50,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:50,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 19:53:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:50,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:50,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:53:50,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:50,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-18 19:53:50,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:50,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 19:53:50,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:50,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:50,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:50,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:50,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 19:53:50,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:50,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 19:53:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:50,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:53:50,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:50,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-18 19:53:50,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:50,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-18 19:53:50,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:50,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 19:53:50,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:53:50,470 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-18 19:53:50,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:53:50,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604208086] [2022-11-18 19:53:50,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604208086] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:53:50,471 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:53:50,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 19:53:50,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814064082] [2022-11-18 19:53:50,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:53:50,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 19:53:50,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:53:50,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 19:53:50,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:53:50,474 INFO L87 Difference]: Start difference. First operand 7042 states and 9867 transitions. Second operand has 8 states, 8 states have (on average 8.125) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-18 19:54:15,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:54:15,275 INFO L93 Difference]: Finished difference Result 15358 states and 22347 transitions. [2022-11-18 19:54:15,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-18 19:54:15,276 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) Word has length 125 [2022-11-18 19:54:15,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:54:15,334 INFO L225 Difference]: With dead ends: 15358 [2022-11-18 19:54:15,335 INFO L226 Difference]: Without dead ends: 9308 [2022-11-18 19:54:15,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-11-18 19:54:15,366 INFO L413 NwaCegarLoop]: 1713 mSDtfsCounter, 7911 mSDsluCounter, 5481 mSDsCounter, 0 mSdLazyCounter, 17537 mSolverCounterSat, 6914 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8289 SdHoareTripleChecker+Valid, 7194 SdHoareTripleChecker+Invalid, 24451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6914 IncrementalHoareTripleChecker+Valid, 17537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.6s IncrementalHoareTripleChecker+Time [2022-11-18 19:54:15,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8289 Valid, 7194 Invalid, 24451 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6914 Valid, 17537 Invalid, 0 Unknown, 0 Unchecked, 23.6s Time] [2022-11-18 19:54:15,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9308 states. [2022-11-18 19:54:15,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9308 to 7056. [2022-11-18 19:54:15,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7056 states, 4641 states have (on average 1.30812324929972) internal successors, (6071), 4851 states have internal predecessors, (6071), 1909 states have call successors, (1909), 474 states have call predecessors, (1909), 473 states have return successors, (1907), 1880 states have call predecessors, (1907), 1907 states have call successors, (1907) [2022-11-18 19:54:15,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7056 states to 7056 states and 9887 transitions. [2022-11-18 19:54:15,988 INFO L78 Accepts]: Start accepts. Automaton has 7056 states and 9887 transitions. Word has length 125 [2022-11-18 19:54:15,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:54:15,991 INFO L495 AbstractCegarLoop]: Abstraction has 7056 states and 9887 transitions. [2022-11-18 19:54:15,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-18 19:54:15,991 INFO L276 IsEmpty]: Start isEmpty. Operand 7056 states and 9887 transitions. [2022-11-18 19:54:15,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-18 19:54:15,999 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:54:15,999 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:54:15,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 19:54:15,999 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-18 19:54:16,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:54:16,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1962189880, now seen corresponding path program 1 times [2022-11-18 19:54:16,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:54:16,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146602669] [2022-11-18 19:54:16,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:54:16,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:54:16,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:54:16,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 19:54:16,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 19:54:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:16,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 19:54:16,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:16,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:16,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-18 19:54:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 19:54:16,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:16,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:16,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:17,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-18 19:54:17,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:17,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:17,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:17,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-18 19:54:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:17,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-18 19:54:17,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:17,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 19:54:17,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:17,077 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-18 19:54:17,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:54:17,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146602669] [2022-11-18 19:54:17,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146602669] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:54:17,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:54:17,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 19:54:17,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615583759] [2022-11-18 19:54:17,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:54:17,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 19:54:17,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:54:17,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 19:54:17,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:54:17,080 INFO L87 Difference]: Start difference. First operand 7056 states and 9887 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-18 19:54:39,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:54:39,051 INFO L93 Difference]: Finished difference Result 9310 states and 13917 transitions. [2022-11-18 19:54:39,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-18 19:54:39,052 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 115 [2022-11-18 19:54:39,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:54:39,101 INFO L225 Difference]: With dead ends: 9310 [2022-11-18 19:54:39,101 INFO L226 Difference]: Without dead ends: 9308 [2022-11-18 19:54:39,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=134, Invalid=328, Unknown=0, NotChecked=0, Total=462 [2022-11-18 19:54:39,110 INFO L413 NwaCegarLoop]: 2797 mSDtfsCounter, 5582 mSDsluCounter, 11008 mSDsCounter, 0 mSdLazyCounter, 16046 mSolverCounterSat, 4885 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5958 SdHoareTripleChecker+Valid, 13805 SdHoareTripleChecker+Invalid, 20931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4885 IncrementalHoareTripleChecker+Valid, 16046 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.7s IncrementalHoareTripleChecker+Time [2022-11-18 19:54:39,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5958 Valid, 13805 Invalid, 20931 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4885 Valid, 16046 Invalid, 0 Unknown, 0 Unchecked, 20.7s Time] [2022-11-18 19:54:39,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9308 states. [2022-11-18 19:54:39,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9308 to 7056. [2022-11-18 19:54:39,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7056 states, 4641 states have (on average 1.3076923076923077) internal successors, (6069), 4851 states have internal predecessors, (6069), 1909 states have call successors, (1909), 474 states have call predecessors, (1909), 473 states have return successors, (1907), 1880 states have call predecessors, (1907), 1907 states have call successors, (1907) [2022-11-18 19:54:39,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7056 states to 7056 states and 9885 transitions. [2022-11-18 19:54:39,832 INFO L78 Accepts]: Start accepts. Automaton has 7056 states and 9885 transitions. Word has length 115 [2022-11-18 19:54:39,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:54:39,834 INFO L495 AbstractCegarLoop]: Abstraction has 7056 states and 9885 transitions. [2022-11-18 19:54:39,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (19), 6 states have call predecessors, (19), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-18 19:54:39,835 INFO L276 IsEmpty]: Start isEmpty. Operand 7056 states and 9885 transitions. [2022-11-18 19:54:39,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-11-18 19:54:39,837 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:54:39,837 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:54:39,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 19:54:39,837 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-18 19:54:39,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:54:39,838 INFO L85 PathProgramCache]: Analyzing trace with hash -346041713, now seen corresponding path program 1 times [2022-11-18 19:54:39,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:54:39,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838562209] [2022-11-18 19:54:39,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:54:39,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:54:39,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:41,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:54:41,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:41,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 19:54:41,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:41,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 19:54:41,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:41,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:41,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:41,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:41,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:41,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 19:54:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:41,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:41,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:41,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:41,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:41,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-18 19:54:41,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:41,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 19:54:41,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:41,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:41,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:41,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:41,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:41,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 19:54:41,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:41,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:41,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:41,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:41,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 19:54:41,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:41,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 19:54:41,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:41,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:54:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:41,694 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-18 19:54:41,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:54:41,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838562209] [2022-11-18 19:54:41,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838562209] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:54:41,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733701997] [2022-11-18 19:54:41,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:54:41,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:54:41,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:54:41,703 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:54:41,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 19:54:43,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:43,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 3995 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-18 19:54:43,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:54:43,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 19:54:43,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-18 19:54:44,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 19:54:44,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-18 19:54:44,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-18 19:54:44,715 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-18 19:54:44,716 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:54:44,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1733701997] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:54:44,926 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 19:54:44,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2022-11-18 19:54:44,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456668419] [2022-11-18 19:54:44,926 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 19:54:44,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-18 19:54:44,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:54:44,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-18 19:54:44,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=320, Unknown=9, NotChecked=0, Total=380 [2022-11-18 19:54:44,928 INFO L87 Difference]: Start difference. First operand 7056 states and 9885 transitions. Second operand has 17 states, 17 states have (on average 6.9411764705882355) internal successors, (118), 13 states have internal predecessors, (118), 6 states have call successors, (31), 8 states have call predecessors, (31), 8 states have return successors, (29), 8 states have call predecessors, (29), 6 states have call successors, (29) [2022-11-18 19:55:53,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:55:53,834 INFO L93 Difference]: Finished difference Result 26565 states and 38005 transitions. [2022-11-18 19:55:53,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 19:55:53,835 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.9411764705882355) internal successors, (118), 13 states have internal predecessors, (118), 6 states have call successors, (31), 8 states have call predecessors, (31), 8 states have return successors, (29), 8 states have call predecessors, (29), 6 states have call successors, (29) Word has length 125 [2022-11-18 19:55:53,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:55:53,942 INFO L225 Difference]: With dead ends: 26565 [2022-11-18 19:55:53,942 INFO L226 Difference]: Without dead ends: 20403 [2022-11-18 19:55:53,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 423 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=368, Invalid=1975, Unknown=9, NotChecked=0, Total=2352 [2022-11-18 19:55:53,980 INFO L413 NwaCegarLoop]: 5000 mSDtfsCounter, 12744 mSDsluCounter, 38085 mSDsCounter, 0 mSdLazyCounter, 50014 mSolverCounterSat, 9561 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13762 SdHoareTripleChecker+Valid, 43085 SdHoareTripleChecker+Invalid, 59575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.5s SdHoareTripleChecker+Time, 9561 IncrementalHoareTripleChecker+Valid, 50014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 64.7s IncrementalHoareTripleChecker+Time [2022-11-18 19:55:53,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13762 Valid, 43085 Invalid, 59575 Unknown, 0 Unchecked, 0.5s Time], IncrementalHoareTripleChecker [9561 Valid, 50014 Invalid, 0 Unknown, 0 Unchecked, 64.7s Time] [2022-11-18 19:55:54,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20403 states. [2022-11-18 19:55:55,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20403 to 15320. [2022-11-18 19:55:55,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15320 states, 10034 states have (on average 1.290811241777955) internal successors, (12952), 10437 states have internal predecessors, (12952), 4078 states have call successors, (4078), 1129 states have call predecessors, (4078), 1175 states have return successors, (4249), 4021 states have call predecessors, (4249), 4076 states have call successors, (4249) [2022-11-18 19:55:55,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15320 states to 15320 states and 21279 transitions. [2022-11-18 19:55:55,614 INFO L78 Accepts]: Start accepts. Automaton has 15320 states and 21279 transitions. Word has length 125 [2022-11-18 19:55:55,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:55:55,614 INFO L495 AbstractCegarLoop]: Abstraction has 15320 states and 21279 transitions. [2022-11-18 19:55:55,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 6.9411764705882355) internal successors, (118), 13 states have internal predecessors, (118), 6 states have call successors, (31), 8 states have call predecessors, (31), 8 states have return successors, (29), 8 states have call predecessors, (29), 6 states have call successors, (29) [2022-11-18 19:55:55,615 INFO L276 IsEmpty]: Start isEmpty. Operand 15320 states and 21279 transitions. [2022-11-18 19:55:55,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-18 19:55:55,621 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:55:55,621 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:55:55,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 19:55:55,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:55:55,837 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-18 19:55:55,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:55:55,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1322641709, now seen corresponding path program 1 times [2022-11-18 19:55:55,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:55:55,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076952457] [2022-11-18 19:55:55,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:55,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:55:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:57,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:55:57,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:57,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 19:55:57,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:57,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:55:57,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:57,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:57,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:55:57,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:57,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 19:55:57,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:57,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:57,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:55:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:57,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:55:57,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:57,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 19:55:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:57,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:57,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:57,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:57,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:57,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:55:57,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:57,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 19:55:57,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:57,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:55:57,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:57,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 19:55:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:57,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:57,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:57,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:57,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 19:55:57,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:57,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-18 19:55:57,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:57,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-18 19:55:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:57,747 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-11-18 19:55:57,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:55:57,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076952457] [2022-11-18 19:55:57,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076952457] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:55:57,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:55:57,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 19:55:57,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117276382] [2022-11-18 19:55:57,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:55:57,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:55:57,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:55:57,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:55:57,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:55:57,749 INFO L87 Difference]: Start difference. First operand 15320 states and 21279 transitions. Second operand has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (20), 4 states have call predecessors, (20), 3 states have return successors, (18), 4 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 19:56:33,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:56:33,343 INFO L93 Difference]: Finished difference Result 34639 states and 49590 transitions. [2022-11-18 19:56:33,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-18 19:56:33,344 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (20), 4 states have call predecessors, (20), 3 states have return successors, (18), 4 states have call predecessors, (18), 2 states have call successors, (18) Word has length 142 [2022-11-18 19:56:33,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:56:33,487 INFO L225 Difference]: With dead ends: 34639 [2022-11-18 19:56:33,487 INFO L226 Difference]: Without dead ends: 27263 [2022-11-18 19:56:33,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2022-11-18 19:56:33,521 INFO L413 NwaCegarLoop]: 4391 mSDtfsCounter, 9418 mSDsluCounter, 19824 mSDsCounter, 0 mSdLazyCounter, 20734 mSolverCounterSat, 6298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10343 SdHoareTripleChecker+Valid, 24215 SdHoareTripleChecker+Invalid, 27032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 6298 IncrementalHoareTripleChecker+Valid, 20734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.9s IncrementalHoareTripleChecker+Time [2022-11-18 19:56:33,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10343 Valid, 24215 Invalid, 27032 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [6298 Valid, 20734 Invalid, 0 Unknown, 0 Unchecked, 31.9s Time] [2022-11-18 19:56:33,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27263 states. [2022-11-18 19:56:35,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27263 to 22246. [2022-11-18 19:56:35,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22246 states, 14578 states have (on average 1.2911236109205653) internal successors, (18822), 15139 states have internal predecessors, (18822), 5920 states have call successors, (5920), 1643 states have call predecessors, (5920), 1715 states have return successors, (6183), 5843 states have call predecessors, (6183), 5918 states have call successors, (6183) [2022-11-18 19:56:35,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22246 states to 22246 states and 30925 transitions. [2022-11-18 19:56:35,728 INFO L78 Accepts]: Start accepts. Automaton has 22246 states and 30925 transitions. Word has length 142 [2022-11-18 19:56:35,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:56:35,729 INFO L495 AbstractCegarLoop]: Abstraction has 22246 states and 30925 transitions. [2022-11-18 19:56:35,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (20), 4 states have call predecessors, (20), 3 states have return successors, (18), 4 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 19:56:35,729 INFO L276 IsEmpty]: Start isEmpty. Operand 22246 states and 30925 transitions. [2022-11-18 19:56:35,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-11-18 19:56:35,736 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:35,736 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:56:35,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 19:56:35,737 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_fs_char_dev_unregister_chrdev_regionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-18 19:56:35,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:35,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1556311007, now seen corresponding path program 1 times [2022-11-18 19:56:35,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:35,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250644029] [2022-11-18 19:56:35,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:35,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:36,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:56:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:36,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 19:56:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:36,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 19:56:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:36,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:36,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:36,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:36,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 19:56:36,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:36,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:36,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:36,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:36,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:36,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-18 19:56:36,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:36,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-18 19:56:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:36,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:36,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:36,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:36,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:56:36,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:36,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 19:56:36,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:36,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:36,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:36,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:56:36,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:36,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-18 19:56:36,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:36,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:36,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:36,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:36,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:36,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:56:36,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:36,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-18 19:56:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:36,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-18 19:56:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:36,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-18 19:56:36,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:36,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-18 19:56:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:36,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-18 19:56:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:36,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-18 19:56:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:36,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-18 19:56:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:36,898 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2022-11-18 19:56:36,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:36,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250644029] [2022-11-18 19:56:36,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250644029] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:56:36,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:56:36,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 19:56:36,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362526555] [2022-11-18 19:56:36,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:56:36,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 19:56:36,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:36,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 19:56:36,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:56:36,901 INFO L87 Difference]: Start difference. First operand 22246 states and 30925 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-18 19:56:54,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:56:54,715 INFO L93 Difference]: Finished difference Result 45471 states and 65342 transitions. [2022-11-18 19:56:54,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:56:54,716 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 172 [2022-11-18 19:56:54,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:56:54,946 INFO L225 Difference]: With dead ends: 45471 [2022-11-18 19:56:54,947 INFO L226 Difference]: Without dead ends: 23278 [2022-11-18 19:56:55,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:56:55,039 INFO L413 NwaCegarLoop]: 3798 mSDtfsCounter, 4208 mSDsluCounter, 10062 mSDsCounter, 0 mSdLazyCounter, 8374 mSolverCounterSat, 4343 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4394 SdHoareTripleChecker+Valid, 13860 SdHoareTripleChecker+Invalid, 12717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4343 IncrementalHoareTripleChecker+Valid, 8374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:56:55,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4394 Valid, 13860 Invalid, 12717 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4343 Valid, 8374 Invalid, 0 Unknown, 0 Unchecked, 15.0s Time] [2022-11-18 19:56:55,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23278 states. [2022-11-18 19:56:56,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23278 to 18614. [2022-11-18 19:56:57,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18614 states, 12304 states have (on average 1.3109557867360209) internal successors, (16130), 12780 states have internal predecessors, (16130), 5019 states have call successors, (5019), 1251 states have call predecessors, (5019), 1258 states have return successors, (5061), 4958 states have call predecessors, (5061), 5017 states have call successors, (5061) [2022-11-18 19:56:57,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18614 states to 18614 states and 26210 transitions. [2022-11-18 19:56:57,111 INFO L78 Accepts]: Start accepts. Automaton has 18614 states and 26210 transitions. Word has length 172 [2022-11-18 19:56:57,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:56:57,112 INFO L495 AbstractCegarLoop]: Abstraction has 18614 states and 26210 transitions. [2022-11-18 19:56:57,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-18 19:56:57,112 INFO L276 IsEmpty]: Start isEmpty. Operand 18614 states and 26210 transitions. [2022-11-18 19:56:57,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-11-18 19:56:57,116 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:57,116 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:56:57,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 19:56:57,116 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_fs_char_dev_unregister_chrdev_regionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-18 19:56:57,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:57,117 INFO L85 PathProgramCache]: Analyzing trace with hash 2103212485, now seen corresponding path program 1 times [2022-11-18 19:56:57,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:57,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729871723] [2022-11-18 19:56:57,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:57,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:57,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:57,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:56:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:57,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 19:56:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:58,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:56:58,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:58,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:58,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:58,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:58,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:58,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 19:56:58,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:58,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:58,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:58,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:56:58,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:58,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 19:56:58,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:58,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:58,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:58,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:58,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:58,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:56:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:58,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-18 19:56:58,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:58,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:58,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:58,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:58,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:56:58,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:58,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-18 19:56:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:58,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:58,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:58,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:58,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:58,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:56:58,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:58,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-18 19:56:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:58,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-18 19:56:58,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:58,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-18 19:56:58,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:58,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-18 19:56:58,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:58,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-18 19:56:58,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:58,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 19:56:58,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:58,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-18 19:56:58,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:58,560 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2022-11-18 19:56:58,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:58,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729871723] [2022-11-18 19:56:58,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729871723] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:56:58,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500558694] [2022-11-18 19:56:58,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:58,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:56:58,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:56:58,565 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:56:58,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 19:57:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:00,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 4190 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-18 19:57:00,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:57:00,557 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2022-11-18 19:57:00,557 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:57:00,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1500558694] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:57:00,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:57:00,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [8] total 20 [2022-11-18 19:57:00,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803307983] [2022-11-18 19:57:00,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:57:00,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-18 19:57:00,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:00,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-18 19:57:00,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=341, Unknown=0, NotChecked=0, Total=380 [2022-11-18 19:57:00,560 INFO L87 Difference]: Start difference. First operand 18614 states and 26210 transitions. Second operand has 14 states, 13 states have (on average 5.769230769230769) internal successors, (75), 11 states have internal predecessors, (75), 3 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (21), 5 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-18 19:57:06,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:57:06,112 INFO L93 Difference]: Finished difference Result 43970 states and 63386 transitions. [2022-11-18 19:57:06,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 19:57:06,112 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.769230769230769) internal successors, (75), 11 states have internal predecessors, (75), 3 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (21), 5 states have call predecessors, (21), 3 states have call successors, (21) Word has length 173 [2022-11-18 19:57:06,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:57:06,235 INFO L225 Difference]: With dead ends: 43970 [2022-11-18 19:57:06,236 INFO L226 Difference]: Without dead ends: 25423 [2022-11-18 19:57:06,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=97, Invalid=659, Unknown=0, NotChecked=0, Total=756 [2022-11-18 19:57:06,307 INFO L413 NwaCegarLoop]: 5669 mSDtfsCounter, 5562 mSDsluCounter, 62633 mSDsCounter, 0 mSdLazyCounter, 1479 mSolverCounterSat, 1683 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5883 SdHoareTripleChecker+Valid, 68302 SdHoareTripleChecker+Invalid, 3162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1683 IncrementalHoareTripleChecker+Valid, 1479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-18 19:57:06,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5883 Valid, 68302 Invalid, 3162 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1683 Valid, 1479 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-18 19:57:06,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25423 states. [2022-11-18 19:57:08,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25423 to 18626. [2022-11-18 19:57:08,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18626 states, 12314 states have (on average 1.3107032645769043) internal successors, (16140), 12788 states have internal predecessors, (16140), 5021 states have call successors, (5021), 1251 states have call predecessors, (5021), 1258 states have return successors, (5063), 4960 states have call predecessors, (5063), 5019 states have call successors, (5063) [2022-11-18 19:57:08,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18626 states to 18626 states and 26224 transitions. [2022-11-18 19:57:08,340 INFO L78 Accepts]: Start accepts. Automaton has 18626 states and 26224 transitions. Word has length 173 [2022-11-18 19:57:08,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:57:08,341 INFO L495 AbstractCegarLoop]: Abstraction has 18626 states and 26224 transitions. [2022-11-18 19:57:08,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.769230769230769) internal successors, (75), 11 states have internal predecessors, (75), 3 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (21), 5 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-18 19:57:08,341 INFO L276 IsEmpty]: Start isEmpty. Operand 18626 states and 26224 transitions. [2022-11-18 19:57:08,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-11-18 19:57:08,346 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:57:08,346 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:57:08,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 19:57:08,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:57:08,559 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-18 19:57:08,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:08,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1713795543, now seen corresponding path program 1 times [2022-11-18 19:57:08,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:08,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596998549] [2022-11-18 19:57:08,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:08,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:09,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:57:09,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:09,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 19:57:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:09,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:57:09,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:09,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:09,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:09,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:57:09,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:09,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 19:57:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:09,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:09,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:09,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:57:09,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:09,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:57:09,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:09,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 19:57:09,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:09,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:09,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:09,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:09,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:09,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:57:09,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:09,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 19:57:09,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:09,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:57:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:09,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 19:57:09,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:09,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:09,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:09,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:09,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:09,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:57:09,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:09,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 19:57:09,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:09,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:57:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:09,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 19:57:09,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:09,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 19:57:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:09,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-18 19:57:09,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:09,994 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2022-11-18 19:57:09,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:09,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596998549] [2022-11-18 19:57:09,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596998549] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:57:09,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:57:09,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 19:57:09,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563799818] [2022-11-18 19:57:09,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:57:09,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 19:57:09,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:09,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 19:57:09,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:57:09,997 INFO L87 Difference]: Start difference. First operand 18626 states and 26224 transitions. Second operand has 8 states, 8 states have (on average 8.125) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (20), 4 states have call predecessors, (20), 2 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-18 19:57:29,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:57:29,809 INFO L93 Difference]: Finished difference Result 41813 states and 60858 transitions. [2022-11-18 19:57:29,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 19:57:29,810 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (20), 4 states have call predecessors, (20), 2 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 158 [2022-11-18 19:57:29,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:57:29,927 INFO L225 Difference]: With dead ends: 41813 [2022-11-18 19:57:29,927 INFO L226 Difference]: Without dead ends: 23288 [2022-11-18 19:57:30,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2022-11-18 19:57:30,017 INFO L413 NwaCegarLoop]: 3743 mSDtfsCounter, 7059 mSDsluCounter, 12219 mSDsCounter, 0 mSdLazyCounter, 11519 mSolverCounterSat, 3948 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7795 SdHoareTripleChecker+Valid, 15962 SdHoareTripleChecker+Invalid, 15467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3948 IncrementalHoareTripleChecker+Valid, 11519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2022-11-18 19:57:30,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7795 Valid, 15962 Invalid, 15467 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3948 Valid, 11519 Invalid, 0 Unknown, 0 Unchecked, 16.5s Time] [2022-11-18 19:57:30,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23288 states. [2022-11-18 19:57:32,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23288 to 18626. [2022-11-18 19:57:32,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18626 states, 12314 states have (on average 1.310216014292675) internal successors, (16134), 12788 states have internal predecessors, (16134), 5021 states have call successors, (5021), 1251 states have call predecessors, (5021), 1258 states have return successors, (5063), 4960 states have call predecessors, (5063), 5019 states have call successors, (5063) [2022-11-18 19:57:32,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18626 states to 18626 states and 26218 transitions. [2022-11-18 19:57:32,121 INFO L78 Accepts]: Start accepts. Automaton has 18626 states and 26218 transitions. Word has length 158 [2022-11-18 19:57:32,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:57:32,122 INFO L495 AbstractCegarLoop]: Abstraction has 18626 states and 26218 transitions. [2022-11-18 19:57:32,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (20), 4 states have call predecessors, (20), 2 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-18 19:57:32,122 INFO L276 IsEmpty]: Start isEmpty. Operand 18626 states and 26218 transitions. [2022-11-18 19:57:32,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-11-18 19:57:32,127 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:57:32,127 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:57:32,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 19:57:32,128 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-18 19:57:32,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:32,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1713735961, now seen corresponding path program 1 times [2022-11-18 19:57:32,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:32,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676335782] [2022-11-18 19:57:32,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:32,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:32,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:32,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:57:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:32,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 19:57:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:32,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:57:32,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:32,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:32,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:57:32,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:32,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 19:57:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:32,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:32,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:32,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:57:32,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:32,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:57:32,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:32,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 19:57:32,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:32,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:32,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:32,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:32,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:57:32,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:32,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 19:57:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:32,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:57:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:32,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 19:57:32,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:32,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:32,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:32,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:32,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:57:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:32,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 19:57:32,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:32,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:57:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:32,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 19:57:32,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:33,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 19:57:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:33,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-18 19:57:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:33,021 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2022-11-18 19:57:33,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:33,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676335782] [2022-11-18 19:57:33,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676335782] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:57:33,022 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:57:33,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:57:33,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046764111] [2022-11-18 19:57:33,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:57:33,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:57:33,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:33,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:57:33,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:57:33,024 INFO L87 Difference]: Start difference. First operand 18626 states and 26218 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-18 19:57:51,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:57:51,296 INFO L93 Difference]: Finished difference Result 23288 states and 34318 transitions. [2022-11-18 19:57:51,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:57:51,297 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 158 [2022-11-18 19:57:51,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:57:51,509 INFO L225 Difference]: With dead ends: 23288 [2022-11-18 19:57:51,510 INFO L226 Difference]: Without dead ends: 23286 [2022-11-18 19:57:51,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:57:51,517 INFO L413 NwaCegarLoop]: 3775 mSDtfsCounter, 2683 mSDsluCounter, 10020 mSDsCounter, 0 mSdLazyCounter, 8351 mSolverCounterSat, 2769 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2869 SdHoareTripleChecker+Valid, 13795 SdHoareTripleChecker+Invalid, 11120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2769 IncrementalHoareTripleChecker+Valid, 8351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2022-11-18 19:57:51,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2869 Valid, 13795 Invalid, 11120 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2769 Valid, 8351 Invalid, 0 Unknown, 0 Unchecked, 14.7s Time] [2022-11-18 19:57:51,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23286 states. [2022-11-18 19:57:53,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23286 to 18624. [2022-11-18 19:57:53,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18624 states, 12313 states have (on average 1.309753918622594) internal successors, (16127), 12786 states have internal predecessors, (16127), 5021 states have call successors, (5021), 1251 states have call predecessors, (5021), 1258 states have return successors, (5063), 4960 states have call predecessors, (5063), 5019 states have call successors, (5063) [2022-11-18 19:57:53,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18624 states to 18624 states and 26211 transitions. [2022-11-18 19:57:53,263 INFO L78 Accepts]: Start accepts. Automaton has 18624 states and 26211 transitions. Word has length 158 [2022-11-18 19:57:53,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:57:53,264 INFO L495 AbstractCegarLoop]: Abstraction has 18624 states and 26211 transitions. [2022-11-18 19:57:53,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-18 19:57:53,265 INFO L276 IsEmpty]: Start isEmpty. Operand 18624 states and 26211 transitions. [2022-11-18 19:57:53,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-11-18 19:57:53,269 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:57:53,270 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:57:53,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 19:57:53,270 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_fs_char_dev_unregister_chrdev_regionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-18 19:57:53,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:53,271 INFO L85 PathProgramCache]: Analyzing trace with hash -194173665, now seen corresponding path program 1 times [2022-11-18 19:57:53,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:53,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223216522] [2022-11-18 19:57:53,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:53,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:54,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:57:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:54,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 19:57:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:54,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:57:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:54,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:54,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:54,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:57:54,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:54,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 19:57:54,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:54,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:54,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:54,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:57:54,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:54,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-18 19:57:54,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:54,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-18 19:57:54,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:54,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 19:57:54,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:54,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:54,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:54,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:57:54,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:54,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:57:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:54,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 19:57:54,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:54,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:54,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:54,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:57:54,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:54,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:57:54,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:54,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-18 19:57:54,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:54,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:57:54,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:54,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:57:54,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:54,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:57:54,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:54,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-18 19:57:54,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:54,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-18 19:57:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:54,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-18 19:57:54,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:54,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-18 19:57:54,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:54,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-18 19:57:54,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:54,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-18 19:57:54,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:54,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-18 19:57:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:54,568 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2022-11-18 19:57:54,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:54,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223216522] [2022-11-18 19:57:54,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223216522] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:57:54,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625142301] [2022-11-18 19:57:54,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:54,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:57:54,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:57:54,571 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:57:54,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 19:57:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:56,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 4200 conjuncts, 34 conjunts are in the unsatisfiable core [2022-11-18 19:57:56,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:57:56,351 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2022-11-18 19:57:56,351 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:57:56,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1625142301] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:57:56,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:57:56,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [8] total 16 [2022-11-18 19:57:56,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319893643] [2022-11-18 19:57:56,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:57:56,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 19:57:56,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:56,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 19:57:56,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2022-11-18 19:57:56,354 INFO L87 Difference]: Start difference. First operand 18624 states and 26211 transitions. Second operand has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 5 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 4 states have call predecessors, (21), 5 states have call successors, (21) [2022-11-18 19:57:59,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:57:59,917 INFO L93 Difference]: Finished difference Result 29339 states and 41608 transitions. [2022-11-18 19:57:59,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 19:57:59,918 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 5 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 4 states have call predecessors, (21), 5 states have call successors, (21) Word has length 178 [2022-11-18 19:57:59,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:57:59,997 INFO L225 Difference]: With dead ends: 29339 [2022-11-18 19:57:59,997 INFO L226 Difference]: Without dead ends: 19938 [2022-11-18 19:58:00,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=385, Unknown=0, NotChecked=0, Total=462 [2022-11-18 19:58:00,031 INFO L413 NwaCegarLoop]: 5964 mSDtfsCounter, 1873 mSDsluCounter, 39329 mSDsCounter, 0 mSdLazyCounter, 1223 mSolverCounterSat, 635 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1873 SdHoareTripleChecker+Valid, 45293 SdHoareTripleChecker+Invalid, 1858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 635 IncrementalHoareTripleChecker+Valid, 1223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:58:00,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1873 Valid, 45293 Invalid, 1858 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [635 Valid, 1223 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-18 19:58:00,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19938 states. [2022-11-18 19:58:01,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19938 to 18192. [2022-11-18 19:58:01,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18192 states, 12039 states have (on average 1.3095772074092533) internal successors, (15766), 12491 states have internal predecessors, (15766), 4885 states have call successors, (4885), 1229 states have call predecessors, (4885), 1236 states have return successors, (4925), 4829 states have call predecessors, (4925), 4883 states have call successors, (4925) [2022-11-18 19:58:01,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18192 states to 18192 states and 25576 transitions. [2022-11-18 19:58:01,848 INFO L78 Accepts]: Start accepts. Automaton has 18192 states and 25576 transitions. Word has length 178 [2022-11-18 19:58:01,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:58:01,849 INFO L495 AbstractCegarLoop]: Abstraction has 18192 states and 25576 transitions. [2022-11-18 19:58:01,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 5 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 4 states have call predecessors, (21), 5 states have call successors, (21) [2022-11-18 19:58:01,849 INFO L276 IsEmpty]: Start isEmpty. Operand 18192 states and 25576 transitions. [2022-11-18 19:58:01,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-11-18 19:58:01,854 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:58:01,854 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:58:01,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-18 19:58:02,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:58:02,070 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-18 19:58:02,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:58:02,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1260147347, now seen corresponding path program 1 times [2022-11-18 19:58:02,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:58:02,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074080523] [2022-11-18 19:58:02,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:58:02,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:58:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:02,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:58:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:02,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 19:58:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:02,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:58:02,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:02,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:02,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:02,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:58:02,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:02,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 19:58:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:02,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:02,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:02,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:58:02,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:02,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:58:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:02,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 19:58:02,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:02,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:02,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:02,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:02,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:02,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:58:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:02,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 19:58:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:02,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:58:02,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:02,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 19:58:02,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:02,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:02,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:02,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:02,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:58:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:02,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 19:58:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:02,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:58:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:02,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 19:58:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:02,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 19:58:03,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:03,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-18 19:58:03,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:03,020 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2022-11-18 19:58:03,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:58:03,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074080523] [2022-11-18 19:58:03,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074080523] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:58:03,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:58:03,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 19:58:03,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999601766] [2022-11-18 19:58:03,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:58:03,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:58:03,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:58:03,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:58:03,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:58:03,023 INFO L87 Difference]: Start difference. First operand 18192 states and 25576 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-18 19:58:18,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:58:18,621 INFO L93 Difference]: Finished difference Result 40927 states and 59518 transitions. [2022-11-18 19:58:18,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:58:18,621 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 162 [2022-11-18 19:58:18,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:58:18,703 INFO L225 Difference]: With dead ends: 40927 [2022-11-18 19:58:18,703 INFO L226 Difference]: Without dead ends: 22814 [2022-11-18 19:58:18,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:58:18,762 INFO L413 NwaCegarLoop]: 3761 mSDtfsCounter, 7013 mSDsluCounter, 3669 mSDsCounter, 0 mSdLazyCounter, 4137 mSolverCounterSat, 3939 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7750 SdHoareTripleChecker+Valid, 7430 SdHoareTripleChecker+Invalid, 8076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3939 IncrementalHoareTripleChecker+Valid, 4137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:58:18,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7750 Valid, 7430 Invalid, 8076 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3939 Valid, 4137 Invalid, 0 Unknown, 0 Unchecked, 12.2s Time] [2022-11-18 19:58:18,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22814 states. [2022-11-18 19:58:20,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22814 to 18178. [2022-11-18 19:58:20,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18178 states, 12026 states have (on average 1.3089140196241478) internal successors, (15741), 12477 states have internal predecessors, (15741), 4885 states have call successors, (4885), 1229 states have call predecessors, (4885), 1236 states have return successors, (4925), 4829 states have call predecessors, (4925), 4883 states have call successors, (4925) [2022-11-18 19:58:20,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18178 states to 18178 states and 25551 transitions. [2022-11-18 19:58:20,708 INFO L78 Accepts]: Start accepts. Automaton has 18178 states and 25551 transitions. Word has length 162 [2022-11-18 19:58:20,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:58:20,709 INFO L495 AbstractCegarLoop]: Abstraction has 18178 states and 25551 transitions. [2022-11-18 19:58:20,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-18 19:58:20,709 INFO L276 IsEmpty]: Start isEmpty. Operand 18178 states and 25551 transitions. [2022-11-18 19:58:20,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-11-18 19:58:20,713 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:58:20,713 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:58:20,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-18 19:58:20,714 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_fs_char_dev_unregister_chrdev_regionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-18 19:58:20,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:58:20,714 INFO L85 PathProgramCache]: Analyzing trace with hash -942739169, now seen corresponding path program 1 times [2022-11-18 19:58:20,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:58:20,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406690452] [2022-11-18 19:58:20,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:58:20,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:58:20,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:21,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:58:21,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:21,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 19:58:21,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:21,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:58:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:21,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:21,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:21,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:58:21,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:21,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 19:58:21,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:21,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 19:58:21,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:21,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:21,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:21,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:58:21,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:21,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 19:58:21,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:21,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 19:58:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:21,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-18 19:58:21,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:21,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:21,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:21,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:58:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:21,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:58:21,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:21,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 19:58:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:21,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:21,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:58:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:21,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:58:21,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:21,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-18 19:58:21,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:21,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:21,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:21,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:58:21,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:21,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:58:21,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:21,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-18 19:58:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:21,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-18 19:58:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:21,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-18 19:58:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:21,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-18 19:58:21,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:21,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-18 19:58:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:21,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-18 19:58:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:21,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-18 19:58:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:21,815 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2022-11-18 19:58:21,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:58:21,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406690452] [2022-11-18 19:58:21,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406690452] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:58:21,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:58:21,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 19:58:21,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292016112] [2022-11-18 19:58:21,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:58:21,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 19:58:21,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:58:21,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 19:58:21,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:58:21,818 INFO L87 Difference]: Start difference. First operand 18178 states and 25551 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-18 19:58:52,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:58:52,390 INFO L93 Difference]: Finished difference Result 22926 states and 33690 transitions. [2022-11-18 19:58:52,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 19:58:52,390 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 184 [2022-11-18 19:58:52,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:58:52,459 INFO L225 Difference]: With dead ends: 22926 [2022-11-18 19:58:52,459 INFO L226 Difference]: Without dead ends: 22924 [2022-11-18 19:58:52,467 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-11-18 19:58:52,467 INFO L413 NwaCegarLoop]: 4326 mSDtfsCounter, 9378 mSDsluCounter, 11791 mSDsCounter, 0 mSdLazyCounter, 12620 mSolverCounterSat, 6367 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10265 SdHoareTripleChecker+Valid, 16117 SdHoareTripleChecker+Invalid, 18987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6367 IncrementalHoareTripleChecker+Valid, 12620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:58:52,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10265 Valid, 16117 Invalid, 18987 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6367 Valid, 12620 Invalid, 0 Unknown, 0 Unchecked, 26.1s Time] [2022-11-18 19:58:52,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22924 states. [2022-11-18 19:58:54,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22924 to 18232. [2022-11-18 19:58:54,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18232 states, 12059 states have (on average 1.3080686624098183) internal successors, (15774), 12510 states have internal predecessors, (15774), 4897 states have call successors, (4897), 1241 states have call predecessors, (4897), 1245 states have return successors, (4937), 4838 states have call predecessors, (4937), 4895 states have call successors, (4937) [2022-11-18 19:58:54,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18232 states to 18232 states and 25608 transitions. [2022-11-18 19:58:54,347 INFO L78 Accepts]: Start accepts. Automaton has 18232 states and 25608 transitions. Word has length 184 [2022-11-18 19:58:54,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:58:54,348 INFO L495 AbstractCegarLoop]: Abstraction has 18232 states and 25608 transitions. [2022-11-18 19:58:54,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-18 19:58:54,349 INFO L276 IsEmpty]: Start isEmpty. Operand 18232 states and 25608 transitions. [2022-11-18 19:58:54,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-11-18 19:58:54,353 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:58:54,354 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:58:54,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 19:58:54,354 INFO L420 AbstractCegarLoop]: === Iteration 15 === 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 33 more)] === [2022-11-18 19:58:54,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:58:54,355 INFO L85 PathProgramCache]: Analyzing trace with hash -50459914, now seen corresponding path program 1 times [2022-11-18 19:58:54,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:58:54,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462521502] [2022-11-18 19:58:54,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:58:54,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:58:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:54,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:58:54,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:54,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 19:58:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:54,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:58:54,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:54,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:54,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:58:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:54,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 19:58:54,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:54,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:54,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:54,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:58:54,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:54,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:58:54,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:54,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 19:58:54,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:54,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:54,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:54,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:54,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 19:58:54,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:54,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:58:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:55,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:55,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:55,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-18 19:58:55,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:55,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-18 19:58:55,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:55,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 19:58:55,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:55,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:58:55,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:55,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:55,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:55,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-18 19:58:55,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:55,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-18 19:58:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:55,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 19:58:55,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:55,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-18 19:58:55,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:55,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-18 19:58:55,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:55,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-18 19:58:55,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:55,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:55,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:55,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-18 19:58:55,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:55,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-18 19:58:55,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:55,133 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2022-11-18 19:58:55,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:58:55,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462521502] [2022-11-18 19:58:55,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462521502] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:58:55,134 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:58:55,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 19:58:55,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953410327] [2022-11-18 19:58:55,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:58:55,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:58:55,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:58:55,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:58:55,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:58:55,137 INFO L87 Difference]: Start difference. First operand 18232 states and 25608 transitions. Second operand has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (28), 8 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-18 19:59:26,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:59:26,202 INFO L93 Difference]: Finished difference Result 42568 states and 62275 transitions. [2022-11-18 19:59:26,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-18 19:59:26,203 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (28), 8 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 3 states have call successors, (27) Word has length 177 [2022-11-18 19:59:26,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:59:26,290 INFO L225 Difference]: With dead ends: 42568 [2022-11-18 19:59:26,290 INFO L226 Difference]: Without dead ends: 25092 [2022-11-18 19:59:26,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=271, Unknown=0, NotChecked=0, Total=380 [2022-11-18 19:59:26,335 INFO L413 NwaCegarLoop]: 1590 mSDtfsCounter, 10462 mSDsluCounter, 6532 mSDsCounter, 0 mSdLazyCounter, 15709 mSolverCounterSat, 9821 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10503 SdHoareTripleChecker+Valid, 8122 SdHoareTripleChecker+Invalid, 25530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 9821 IncrementalHoareTripleChecker+Valid, 15709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:59:26,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10503 Valid, 8122 Invalid, 25530 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [9821 Valid, 15709 Invalid, 0 Unknown, 0 Unchecked, 26.3s Time] [2022-11-18 19:59:26,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25092 states. [2022-11-18 19:59:28,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25092 to 18238. [2022-11-18 19:59:28,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18238 states, 12065 states have (on average 1.3079154579361791) internal successors, (15780), 12516 states have internal predecessors, (15780), 4897 states have call successors, (4897), 1241 states have call predecessors, (4897), 1245 states have return successors, (4937), 4838 states have call predecessors, (4937), 4895 states have call successors, (4937) [2022-11-18 19:59:28,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18238 states to 18238 states and 25614 transitions. [2022-11-18 19:59:28,550 INFO L78 Accepts]: Start accepts. Automaton has 18238 states and 25614 transitions. Word has length 177 [2022-11-18 19:59:28,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:59:28,551 INFO L495 AbstractCegarLoop]: Abstraction has 18238 states and 25614 transitions. [2022-11-18 19:59:28,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (28), 8 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-18 19:59:28,551 INFO L276 IsEmpty]: Start isEmpty. Operand 18238 states and 25614 transitions. [2022-11-18 19:59:28,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-11-18 19:59:28,553 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:59:28,554 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:59:28,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-18 19:59:28,554 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_usb_gadget_unregister_chrdev_regionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-18 19:59:28,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:59:28,554 INFO L85 PathProgramCache]: Analyzing trace with hash 845327258, now seen corresponding path program 1 times [2022-11-18 19:59:28,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:59:28,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846202005] [2022-11-18 19:59:28,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:59:28,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:59:28,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:29,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:59:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:29,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 19:59:29,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:29,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 19:59:29,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:29,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:59:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:29,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:59:29,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:29,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 19:59:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:29,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 19:59:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:29,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:59:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:29,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:59:29,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:29,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 19:59:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:29,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 19:59:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:29,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-18 19:59:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:29,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:59:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:29,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:59:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:29,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:59:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:29,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 19:59:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:29,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:59:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:29,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:59:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:29,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:59:29,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:29,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-18 19:59:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:29,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:59:29,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:29,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:59:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:29,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 19:59:29,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:29,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-18 19:59:29,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:29,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-18 19:59:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:29,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-18 19:59:29,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:29,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-18 19:59:29,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:29,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-18 19:59:29,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:29,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-18 19:59:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:29,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-18 19:59:29,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:29,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-18 19:59:29,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:29,466 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2022-11-18 19:59:29,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:59:29,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846202005] [2022-11-18 19:59:29,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846202005] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:59:29,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:59:29,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-18 19:59:29,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024473720] [2022-11-18 19:59:29,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:59:29,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 19:59:29,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:59:29,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 19:59:29,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:59:29,470 INFO L87 Difference]: Start difference. First operand 18238 states and 25614 transitions. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 6 states have internal predecessors, (76), 2 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-18 20:00:01,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:00:01,982 INFO L93 Difference]: Finished difference Result 22874 states and 33661 transitions. [2022-11-18 20:00:01,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 20:00:01,983 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 6 states have internal predecessors, (76), 2 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 190 [2022-11-18 20:00:01,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:00:02,045 INFO L225 Difference]: With dead ends: 22874 [2022-11-18 20:00:02,045 INFO L226 Difference]: Without dead ends: 22872 [2022-11-18 20:00:02,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2022-11-18 20:00:02,052 INFO L413 NwaCegarLoop]: 1542 mSDtfsCounter, 10678 mSDsluCounter, 6117 mSDsCounter, 0 mSdLazyCounter, 21146 mSolverCounterSat, 8581 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11027 SdHoareTripleChecker+Valid, 7659 SdHoareTripleChecker+Invalid, 29727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8581 IncrementalHoareTripleChecker+Valid, 21146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:00:02,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11027 Valid, 7659 Invalid, 29727 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8581 Valid, 21146 Invalid, 0 Unknown, 0 Unchecked, 28.2s Time] [2022-11-18 20:00:02,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22872 states. [2022-11-18 20:00:04,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22872 to 18236. [2022-11-18 20:00:04,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18236 states, 12064 states have (on average 1.3076923076923077) internal successors, (15776), 12514 states have internal predecessors, (15776), 4897 states have call successors, (4897), 1241 states have call predecessors, (4897), 1245 states have return successors, (4937), 4838 states have call predecessors, (4937), 4895 states have call successors, (4937) [2022-11-18 20:00:04,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18236 states to 18236 states and 25610 transitions. [2022-11-18 20:00:04,263 INFO L78 Accepts]: Start accepts. Automaton has 18236 states and 25610 transitions. Word has length 190 [2022-11-18 20:00:04,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:00:04,263 INFO L495 AbstractCegarLoop]: Abstraction has 18236 states and 25610 transitions. [2022-11-18 20:00:04,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 6 states have internal predecessors, (76), 2 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-18 20:00:04,264 INFO L276 IsEmpty]: Start isEmpty. Operand 18236 states and 25610 transitions. [2022-11-18 20:00:04,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-11-18 20:00:04,268 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:00:04,269 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:00:04,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-18 20:00:04,269 INFO L420 AbstractCegarLoop]: === Iteration 17 === 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 33 more)] === [2022-11-18 20:00:04,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:00:04,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1879977374, now seen corresponding path program 1 times [2022-11-18 20:00:04,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:00:04,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029065087] [2022-11-18 20:00:04,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:00:04,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:00:04,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:04,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:00:04,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:04,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 20:00:04,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:04,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:00:04,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:04,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:00:04,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:04,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:00:04,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:04,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 20:00:04,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:04,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:00:04,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:04,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:00:04,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:04,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 20:00:04,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:04,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 20:00:04,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:04,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:00:04,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:04,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:00:04,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:04,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:00:04,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:04,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:00:04,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:04,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:00:04,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:04,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-18 20:00:04,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:04,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-18 20:00:04,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:04,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 20:00:04,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:04,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:00:04,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:04,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:00:04,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:04,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-18 20:00:04,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:04,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-18 20:00:04,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:04,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 20:00:04,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:04,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-18 20:00:04,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:04,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-18 20:00:04,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:04,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-18 20:00:04,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:04,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:00:04,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:04,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-18 20:00:04,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:04,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-18 20:00:04,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:04,888 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2022-11-18 20:00:04,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:00:04,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029065087] [2022-11-18 20:00:04,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029065087] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:00:04,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [257318779] [2022-11-18 20:00:04,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:00:04,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:00:04,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:00:04,895 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:00:04,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-18 20:00:06,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:06,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 4017 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 20:00:06,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:00:06,359 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 57 proven. 1 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-11-18 20:00:06,359 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:00:06,592 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2022-11-18 20:00:06,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [257318779] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:00:06,593 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:00:06,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 4, 4] total 13 [2022-11-18 20:00:06,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239569597] [2022-11-18 20:00:06,594 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:00:06,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 20:00:06,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:00:06,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 20:00:06,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:00:06,596 INFO L87 Difference]: Start difference. First operand 18236 states and 25610 transitions. Second operand has 13 states, 13 states have (on average 9.384615384615385) internal successors, (122), 7 states have internal predecessors, (122), 3 states have call successors, (46), 8 states have call predecessors, (46), 2 states have return successors, (35), 2 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-18 20:00:40,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:00:40,936 INFO L93 Difference]: Finished difference Result 42714 states and 62549 transitions. [2022-11-18 20:00:40,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-18 20:00:40,937 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.384615384615385) internal successors, (122), 7 states have internal predecessors, (122), 3 states have call successors, (46), 8 states have call predecessors, (46), 2 states have return successors, (35), 2 states have call predecessors, (35), 3 states have call successors, (35) Word has length 181 [2022-11-18 20:00:40,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:00:41,029 INFO L225 Difference]: With dead ends: 42714 [2022-11-18 20:00:41,029 INFO L226 Difference]: Without dead ends: 25240 [2022-11-18 20:00:41,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 437 GetRequests, 415 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=127, Invalid=425, Unknown=0, NotChecked=0, Total=552 [2022-11-18 20:00:41,077 INFO L413 NwaCegarLoop]: 1593 mSDtfsCounter, 13208 mSDsluCounter, 6868 mSDsCounter, 0 mSdLazyCounter, 18949 mSolverCounterSat, 12082 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13273 SdHoareTripleChecker+Valid, 8461 SdHoareTripleChecker+Invalid, 31031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 12082 IncrementalHoareTripleChecker+Valid, 18949 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.4s IncrementalHoareTripleChecker+Time [2022-11-18 20:00:41,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13273 Valid, 8461 Invalid, 31031 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [12082 Valid, 18949 Invalid, 0 Unknown, 0 Unchecked, 29.4s Time] [2022-11-18 20:00:41,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25240 states. [2022-11-18 20:00:43,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25240 to 18452. [2022-11-18 20:00:43,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18452 states, 12244 states have (on average 1.306109114668409) internal successors, (15992), 12694 states have internal predecessors, (15992), 4933 states have call successors, (4933), 1241 states have call predecessors, (4933), 1245 states have return successors, (4973), 4874 states have call predecessors, (4973), 4931 states have call successors, (4973) [2022-11-18 20:00:43,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18452 states to 18452 states and 25898 transitions. [2022-11-18 20:00:43,412 INFO L78 Accepts]: Start accepts. Automaton has 18452 states and 25898 transitions. Word has length 181 [2022-11-18 20:00:43,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:00:43,412 INFO L495 AbstractCegarLoop]: Abstraction has 18452 states and 25898 transitions. [2022-11-18 20:00:43,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.384615384615385) internal successors, (122), 7 states have internal predecessors, (122), 3 states have call successors, (46), 8 states have call predecessors, (46), 2 states have return successors, (35), 2 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-18 20:00:43,413 INFO L276 IsEmpty]: Start isEmpty. Operand 18452 states and 25898 transitions. [2022-11-18 20:00:43,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-11-18 20:00:43,417 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:00:43,418 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:00:43,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-18 20:00:43,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd58d74-fe4a-4140-8811-2f5cad938721/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:00:43,632 INFO L420 AbstractCegarLoop]: === Iteration 18 === 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 33 more)] === [2022-11-18 20:00:43,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:00:43,632 INFO L85 PathProgramCache]: Analyzing trace with hash 840337350, now seen corresponding path program 1 times [2022-11-18 20:00:43,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:00:43,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129168230] [2022-11-18 20:00:43,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:00:43,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:00:43,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:44,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:00:44,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:44,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 20:00:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:44,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:00:44,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:44,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:00:44,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:44,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:00:44,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:44,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:00:44,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:44,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 20:00:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:44,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:00:44,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:44,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:00:44,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:44,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 20:00:44,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:44,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 20:00:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:44,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-18 20:00:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:44,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:00:44,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:44,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:00:44,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:44,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:00:44,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:44,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 20:00:44,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:44,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:00:44,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:44,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:00:44,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:44,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:00:44,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:44,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-18 20:00:44,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:44,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:00:44,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:44,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:00:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:44,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:00:44,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:44,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-18 20:00:44,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:44,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-18 20:00:44,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:44,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-18 20:00:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:44,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:00:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:44,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:00:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:44,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 20:00:44,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:44,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-18 20:00:44,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:44,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 20:00:44,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:44,712 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2022-11-18 20:00:44,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:00:44,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129168230] [2022-11-18 20:00:44,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129168230] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:00:44,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:00:44,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:00:44,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065915982] [2022-11-18 20:00:44,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:00:44,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:00:44,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:00:44,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:00:44,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:00:44,715 INFO L87 Difference]: Start difference. First operand 18452 states and 25898 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-18 20:01:04,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:01:04,785 INFO L93 Difference]: Finished difference Result 23261 states and 34161 transitions. [2022-11-18 20:01:04,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-18 20:01:04,786 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 196 [2022-11-18 20:01:04,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:01:04,858 INFO L225 Difference]: With dead ends: 23261 [2022-11-18 20:01:04,858 INFO L226 Difference]: Without dead ends: 23259 [2022-11-18 20:01:04,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2022-11-18 20:01:04,868 INFO L413 NwaCegarLoop]: 3772 mSDtfsCounter, 6990 mSDsluCounter, 10088 mSDsCounter, 0 mSdLazyCounter, 8759 mSolverCounterSat, 3960 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7689 SdHoareTripleChecker+Valid, 13860 SdHoareTripleChecker+Invalid, 12719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3960 IncrementalHoareTripleChecker+Valid, 8759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2022-11-18 20:01:04,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7689 Valid, 13860 Invalid, 12719 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3960 Valid, 8759 Invalid, 0 Unknown, 0 Unchecked, 15.7s Time] [2022-11-18 20:01:04,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23259 states. [2022-11-18 20:01:07,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23259 to 18613. [2022-11-18 20:01:07,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18613 states, 12357 states have (on average 1.3042000485554746) internal successors, (16116), 12809 states have internal predecessors, (16116), 4945 states have call successors, (4945), 1277 states have call predecessors, (4945), 1281 states have return successors, (4985), 4886 states have call predecessors, (4985), 4943 states have call successors, (4985) [2022-11-18 20:01:07,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18613 states to 18613 states and 26046 transitions. [2022-11-18 20:01:07,246 INFO L78 Accepts]: Start accepts. Automaton has 18613 states and 26046 transitions. Word has length 196 [2022-11-18 20:01:07,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:01:07,246 INFO L495 AbstractCegarLoop]: Abstraction has 18613 states and 26046 transitions. [2022-11-18 20:01:07,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-18 20:01:07,247 INFO L276 IsEmpty]: Start isEmpty. Operand 18613 states and 26046 transitions. [2022-11-18 20:01:07,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-11-18 20:01:07,252 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:01:07,252 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:01:07,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-18 20:01:07,253 INFO L420 AbstractCegarLoop]: === Iteration 19 === 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 33 more)] === [2022-11-18 20:01:07,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:07,253 INFO L85 PathProgramCache]: Analyzing trace with hash 967185251, now seen corresponding path program 1 times [2022-11-18 20:01:07,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:07,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853712995] [2022-11-18 20:01:07,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:07,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:07,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:07,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:01:07,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:07,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 20:01:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:07,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:01:07,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:07,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:01:07,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:07,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:01:07,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:07,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:01:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:07,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 20:01:07,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:07,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:01:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:07,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:01:07,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:07,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 20:01:07,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:07,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 20:01:07,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:07,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-18 20:01:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:08,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:01:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:08,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:01:08,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:08,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:01:08,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:08,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 20:01:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:08,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:01:08,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:08,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:01:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:08,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:01:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:08,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-18 20:01:08,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:08,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:01:08,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:08,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:01:08,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:08,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:01:08,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:08,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-18 20:01:08,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:08,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-18 20:01:08,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:08,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-18 20:01:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:08,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-18 20:01:08,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:08,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-18 20:01:08,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:08,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-18 20:01:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:08,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-18 20:01:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:08,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:01:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:08,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-18 20:01:08,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:08,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-18 20:01:08,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:08,207 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2022-11-18 20:01:08,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:01:08,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853712995] [2022-11-18 20:01:08,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853712995] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:01:08,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:01:08,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:01:08,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966637445] [2022-11-18 20:01:08,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:01:08,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 20:01:08,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:01:08,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 20:01:08,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:01:08,212 INFO L87 Difference]: Start difference. First operand 18613 states and 26046 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-18 20:01:43,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:01:43,115 INFO L93 Difference]: Finished difference Result 45946 states and 67507 transitions. [2022-11-18 20:01:43,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 20:01:43,116 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 201 [2022-11-18 20:01:43,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:01:43,268 INFO L225 Difference]: With dead ends: 45946 [2022-11-18 20:01:43,268 INFO L226 Difference]: Without dead ends: 45944 [2022-11-18 20:01:43,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2022-11-18 20:01:43,286 INFO L413 NwaCegarLoop]: 4428 mSDtfsCounter, 9439 mSDsluCounter, 15367 mSDsCounter, 0 mSdLazyCounter, 15886 mSolverCounterSat, 6337 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10345 SdHoareTripleChecker+Valid, 19795 SdHoareTripleChecker+Invalid, 22223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6337 IncrementalHoareTripleChecker+Valid, 15886 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.4s IncrementalHoareTripleChecker+Time [2022-11-18 20:01:43,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10345 Valid, 19795 Invalid, 22223 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6337 Valid, 15886 Invalid, 0 Unknown, 0 Unchecked, 26.4s Time] [2022-11-18 20:01:43,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45944 states. [2022-11-18 20:01:47,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45944 to 24530. [2022-11-18 20:01:47,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24530 states, 16291 states have (on average 1.3045239702903444) internal successors, (21252), 16876 states have internal predecessors, (21252), 6524 states have call successors, (6524), 1679 states have call predecessors, (6524), 1686 states have return successors, (6584), 6447 states have call predecessors, (6584), 6522 states have call successors, (6584) [2022-11-18 20:01:47,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24530 states to 24530 states and 34360 transitions. [2022-11-18 20:01:47,396 INFO L78 Accepts]: Start accepts. Automaton has 24530 states and 34360 transitions. Word has length 201 [2022-11-18 20:01:47,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:01:47,396 INFO L495 AbstractCegarLoop]: Abstraction has 24530 states and 34360 transitions. [2022-11-18 20:01:47,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-18 20:01:47,396 INFO L276 IsEmpty]: Start isEmpty. Operand 24530 states and 34360 transitions. [2022-11-18 20:01:47,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-11-18 20:01:47,402 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:01:47,402 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:01:47,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-18 20:01:47,403 INFO L420 AbstractCegarLoop]: === Iteration 20 === 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 33 more)] === [2022-11-18 20:01:47,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:01:47,403 INFO L85 PathProgramCache]: Analyzing trace with hash -769843818, now seen corresponding path program 2 times [2022-11-18 20:01:47,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:01:47,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123674617] [2022-11-18 20:01:47,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:01:47,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:01:47,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:47,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:01:47,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:47,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 20:01:47,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:47,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:01:47,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:47,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:01:47,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:47,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:01:47,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:48,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 20:01:48,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:48,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:01:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:48,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:01:48,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:48,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 20:01:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:48,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 20:01:48,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:48,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:01:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:48,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:01:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:48,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 20:01:48,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:48,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:01:48,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:48,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:01:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:48,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-18 20:01:48,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:48,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-18 20:01:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:48,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 20:01:48,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:48,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:01:48,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:48,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:01:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:48,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-18 20:01:48,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:48,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-18 20:01:48,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:48,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 20:01:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:48,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-18 20:01:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:48,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-18 20:01:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:48,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-18 20:01:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:48,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:01:48,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:48,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-18 20:01:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:48,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-18 20:01:48,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:01:48,208 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2022-11-18 20:01:48,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:01:48,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123674617] [2022-11-18 20:01:48,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123674617] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:01:48,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:01:48,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-18 20:01:48,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686891996] [2022-11-18 20:01:48,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:01:48,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 20:01:48,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:01:48,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 20:01:48,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:01:48,211 INFO L87 Difference]: Start difference. First operand 24530 states and 34360 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 4 states have internal predecessors, (91), 3 states have call successors, (28), 8 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-18 20:02:20,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:02:20,776 INFO L93 Difference]: Finished difference Result 33560 states and 50462 transitions. [2022-11-18 20:02:20,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-18 20:02:20,776 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 4 states have internal predecessors, (91), 3 states have call successors, (28), 8 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 3 states have call successors, (27) Word has length 193 [2022-11-18 20:02:20,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:02:20,885 INFO L225 Difference]: With dead ends: 33560 [2022-11-18 20:02:20,886 INFO L226 Difference]: Without dead ends: 33558 [2022-11-18 20:02:20,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=156, Invalid=350, Unknown=0, NotChecked=0, Total=506 [2022-11-18 20:02:20,900 INFO L413 NwaCegarLoop]: 1591 mSDtfsCounter, 17169 mSDsluCounter, 5674 mSDsCounter, 0 mSdLazyCounter, 14809 mSolverCounterSat, 13982 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17656 SdHoareTripleChecker+Valid, 7265 SdHoareTripleChecker+Invalid, 28791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 13982 IncrementalHoareTripleChecker+Valid, 14809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.6s IncrementalHoareTripleChecker+Time [2022-11-18 20:02:20,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17656 Valid, 7265 Invalid, 28791 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [13982 Valid, 14809 Invalid, 0 Unknown, 0 Unchecked, 25.6s Time] [2022-11-18 20:02:20,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33558 states. [2022-11-18 20:02:24,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33558 to 24528. [2022-11-18 20:02:24,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24528 states, 16290 states have (on average 1.3044198895027623) internal successors, (21249), 16874 states have internal predecessors, (21249), 6524 states have call successors, (6524), 1679 states have call predecessors, (6524), 1686 states have return successors, (6584), 6447 states have call predecessors, (6584), 6522 states have call successors, (6584) [2022-11-18 20:02:24,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24528 states to 24528 states and 34357 transitions. [2022-11-18 20:02:24,881 INFO L78 Accepts]: Start accepts. Automaton has 24528 states and 34357 transitions. Word has length 193 [2022-11-18 20:02:24,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:02:24,882 INFO L495 AbstractCegarLoop]: Abstraction has 24528 states and 34357 transitions. [2022-11-18 20:02:24,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 4 states have internal predecessors, (91), 3 states have call successors, (28), 8 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-18 20:02:24,882 INFO L276 IsEmpty]: Start isEmpty. Operand 24528 states and 34357 transitions. [2022-11-18 20:02:24,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-11-18 20:02:24,889 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:02:24,889 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:02:24,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-18 20:02:24,889 INFO L420 AbstractCegarLoop]: === Iteration 21 === 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 33 more)] === [2022-11-18 20:02:24,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:02:24,891 INFO L85 PathProgramCache]: Analyzing trace with hash 2113912049, now seen corresponding path program 1 times [2022-11-18 20:02:24,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:02:24,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288305704] [2022-11-18 20:02:24,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:02:24,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:02:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:26,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:02:26,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:26,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 20:02:26,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:26,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:02:26,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:26,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:02:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:26,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:02:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:26,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 20:02:26,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:26,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:02:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:26,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:02:26,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:26,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 20:02:26,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:26,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 20:02:26,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:26,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:02:26,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:26,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:02:26,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:26,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:02:26,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:26,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 20:02:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:26,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:02:26,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:26,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 20:02:26,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:26,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:02:26,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:26,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:02:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:26,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:02:26,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:26,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 20:02:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:27,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:02:27,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:27,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 20:02:27,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:27,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 20:02:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:27,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-18 20:02:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:27,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:02:27,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:27,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:02:27,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:27,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:02:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:27,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:02:27,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:27,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 20:02:27,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:02:27,413 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2022-11-18 20:02:27,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:02:27,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288305704] [2022-11-18 20:02:27,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288305704] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:02:27,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:02:27,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-11-18 20:02:27,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308597556] [2022-11-18 20:02:27,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:02:27,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-18 20:02:27,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:02:27,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-18 20:02:27,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=240, Unknown=0, NotChecked=0, Total=272 [2022-11-18 20:02:27,416 INFO L87 Difference]: Start difference. First operand 24528 states and 34357 transitions. Second operand has 17 states, 16 states have (on average 5.625) internal successors, (90), 11 states have internal predecessors, (90), 4 states have call successors, (25), 6 states have call predecessors, (25), 3 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-18 20:03:08,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:03:08,330 INFO L93 Difference]: Finished difference Result 36954 states and 53816 transitions. [2022-11-18 20:03:08,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-18 20:03:08,331 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 5.625) internal successors, (90), 11 states have internal predecessors, (90), 4 states have call successors, (25), 6 states have call predecessors, (25), 3 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) Word has length 195 [2022-11-18 20:03:08,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:03:08,424 INFO L225 Difference]: With dead ends: 36954 [2022-11-18 20:03:08,424 INFO L226 Difference]: Without dead ends: 30738 [2022-11-18 20:03:08,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=132, Invalid=680, Unknown=0, NotChecked=0, Total=812 [2022-11-18 20:03:08,448 INFO L413 NwaCegarLoop]: 3800 mSDtfsCounter, 2680 mSDsluCounter, 43330 mSDsCounter, 0 mSdLazyCounter, 31841 mSolverCounterSat, 2842 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2866 SdHoareTripleChecker+Valid, 47130 SdHoareTripleChecker+Invalid, 34683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 2842 IncrementalHoareTripleChecker+Valid, 31841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:03:08,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2866 Valid, 47130 Invalid, 34683 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [2842 Valid, 31841 Invalid, 0 Unknown, 0 Unchecked, 34.1s Time] [2022-11-18 20:03:08,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30738 states. [2022-11-18 20:03:12,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30738 to 24590. [2022-11-18 20:03:12,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24590 states, 16330 states have (on average 1.3041641151255359) internal successors, (21297), 16918 states have internal predecessors, (21297), 6540 states have call successors, (6540), 1681 states have call predecessors, (6540), 1692 states have return successors, (6616), 6465 states have call predecessors, (6616), 6538 states have call successors, (6616) [2022-11-18 20:03:12,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24590 states to 24590 states and 34453 transitions. [2022-11-18 20:03:12,121 INFO L78 Accepts]: Start accepts. Automaton has 24590 states and 34453 transitions. Word has length 195 [2022-11-18 20:03:12,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:03:12,121 INFO L495 AbstractCegarLoop]: Abstraction has 24590 states and 34453 transitions. [2022-11-18 20:03:12,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 5.625) internal successors, (90), 11 states have internal predecessors, (90), 4 states have call successors, (25), 6 states have call predecessors, (25), 3 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-18 20:03:12,122 INFO L276 IsEmpty]: Start isEmpty. Operand 24590 states and 34453 transitions. [2022-11-18 20:03:12,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-11-18 20:03:12,125 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:03:12,126 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:03:12,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-18 20:03:12,126 INFO L420 AbstractCegarLoop]: === Iteration 22 === 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 33 more)] === [2022-11-18 20:03:12,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:03:12,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1654072696, now seen corresponding path program 1 times [2022-11-18 20:03:12,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:03:12,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702453649] [2022-11-18 20:03:12,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:03:12,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:03:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:12,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:03:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:13,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 20:03:13,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:13,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:03:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:13,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:13,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:13,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:03:13,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:13,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 20:03:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:13,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:13,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:03:13,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:13,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 20:03:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:13,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 20:03:13,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:13,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:13,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:13,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:13,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:03:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:13,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 20:03:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:13,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:03:13,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:13,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 20:03:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:13,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:13,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:13,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:13,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:13,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:03:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:13,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 20:03:13,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:13,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:03:13,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:13,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 20:03:13,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:13,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 20:03:13,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:13,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-18 20:03:13,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:13,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:13,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:13,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:13,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:13,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:03:13,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:13,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:13,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 20:03:13,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:13,252 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2022-11-18 20:03:13,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:03:13,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702453649] [2022-11-18 20:03:13,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702453649] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:03:13,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:03:13,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 20:03:13,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700553054] [2022-11-18 20:03:13,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:03:13,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:03:13,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:03:13,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:03:13,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:03:13,255 INFO L87 Difference]: Start difference. First operand 24590 states and 34453 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 6 states have internal predecessors, (100), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-18 20:03:45,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:03:45,736 INFO L93 Difference]: Finished difference Result 38734 states and 56748 transitions. [2022-11-18 20:03:45,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:03:45,737 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 6 states have internal predecessors, (100), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 205 [2022-11-18 20:03:45,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:03:45,837 INFO L225 Difference]: With dead ends: 38734 [2022-11-18 20:03:45,837 INFO L226 Difference]: Without dead ends: 32466 [2022-11-18 20:03:45,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:03:45,861 INFO L413 NwaCegarLoop]: 4776 mSDtfsCounter, 3366 mSDsluCounter, 14924 mSDsCounter, 0 mSdLazyCounter, 12787 mSolverCounterSat, 2816 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3863 SdHoareTripleChecker+Valid, 19700 SdHoareTripleChecker+Invalid, 15603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2816 IncrementalHoareTripleChecker+Valid, 12787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.8s IncrementalHoareTripleChecker+Time [2022-11-18 20:03:45,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3863 Valid, 19700 Invalid, 15603 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2816 Valid, 12787 Invalid, 0 Unknown, 0 Unchecked, 25.8s Time] [2022-11-18 20:03:45,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32466 states. [2022-11-18 20:03:49,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32466 to 24596. [2022-11-18 20:03:49,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24596 states, 16336 states have (on average 1.3041748285994124) internal successors, (21305), 16924 states have internal predecessors, (21305), 6540 states have call successors, (6540), 1681 states have call predecessors, (6540), 1692 states have return successors, (6616), 6465 states have call predecessors, (6616), 6538 states have call successors, (6616) [2022-11-18 20:03:49,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24596 states to 24596 states and 34461 transitions. [2022-11-18 20:03:49,690 INFO L78 Accepts]: Start accepts. Automaton has 24596 states and 34461 transitions. Word has length 205 [2022-11-18 20:03:49,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:03:49,690 INFO L495 AbstractCegarLoop]: Abstraction has 24596 states and 34461 transitions. [2022-11-18 20:03:49,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 6 states have internal predecessors, (100), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-18 20:03:49,691 INFO L276 IsEmpty]: Start isEmpty. Operand 24596 states and 34461 transitions. [2022-11-18 20:03:49,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-11-18 20:03:49,694 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:03:49,694 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:03:49,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-18 20:03:49,695 INFO L420 AbstractCegarLoop]: === Iteration 23 === 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 33 more)] === [2022-11-18 20:03:49,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:03:49,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1613397946, now seen corresponding path program 1 times [2022-11-18 20:03:49,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:03:49,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377290485] [2022-11-18 20:03:49,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:03:49,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:03:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:50,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:03:50,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:50,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 20:03:50,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:50,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:03:50,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:50,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:50,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:03:50,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:50,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 20:03:50,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:50,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:50,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:03:50,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:50,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 20:03:50,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:50,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 20:03:50,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:50,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:50,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:50,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:50,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:50,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:03:50,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:50,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 20:03:50,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:50,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:03:50,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:50,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 20:03:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:50,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:50,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:50,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:50,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:50,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:03:50,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:50,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 20:03:50,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:50,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:03:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:50,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 20:03:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:50,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 20:03:50,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:50,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-18 20:03:50,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:50,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:50,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:50,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:03:50,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:50,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:50,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:50,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 20:03:50,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:50,504 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2022-11-18 20:03:50,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:03:50,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377290485] [2022-11-18 20:03:50,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377290485] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:03:50,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:03:50,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 20:03:50,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316309499] [2022-11-18 20:03:50,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:03:50,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:03:50,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:03:50,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:03:50,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:03:50,506 INFO L87 Difference]: Start difference. First operand 24596 states and 34461 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 6 states have internal predecessors, (100), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-18 20:04:21,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:04:21,161 INFO L93 Difference]: Finished difference Result 37040 states and 53938 transitions. [2022-11-18 20:04:21,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:04:21,162 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 6 states have internal predecessors, (100), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 205 [2022-11-18 20:04:21,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:04:21,260 INFO L225 Difference]: With dead ends: 37040 [2022-11-18 20:04:21,260 INFO L226 Difference]: Without dead ends: 30766 [2022-11-18 20:04:21,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-18 20:04:21,285 INFO L413 NwaCegarLoop]: 3780 mSDtfsCounter, 3572 mSDsluCounter, 15289 mSDsCounter, 0 mSdLazyCounter, 14545 mSolverCounterSat, 4106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3755 SdHoareTripleChecker+Valid, 19069 SdHoareTripleChecker+Invalid, 18651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4106 IncrementalHoareTripleChecker+Valid, 14545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.7s IncrementalHoareTripleChecker+Time [2022-11-18 20:04:21,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3755 Valid, 19069 Invalid, 18651 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4106 Valid, 14545 Invalid, 0 Unknown, 0 Unchecked, 23.7s Time] [2022-11-18 20:04:21,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30766 states. [2022-11-18 20:04:25,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30766 to 24604. [2022-11-18 20:04:25,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24604 states, 16344 states have (on average 1.3041483113069017) internal successors, (21315), 16932 states have internal predecessors, (21315), 6540 states have call successors, (6540), 1681 states have call predecessors, (6540), 1692 states have return successors, (6616), 6465 states have call predecessors, (6616), 6538 states have call successors, (6616) [2022-11-18 20:04:25,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24604 states to 24604 states and 34471 transitions. [2022-11-18 20:04:25,340 INFO L78 Accepts]: Start accepts. Automaton has 24604 states and 34471 transitions. Word has length 205 [2022-11-18 20:04:25,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:04:25,340 INFO L495 AbstractCegarLoop]: Abstraction has 24604 states and 34471 transitions. [2022-11-18 20:04:25,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 6 states have internal predecessors, (100), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-18 20:04:25,341 INFO L276 IsEmpty]: Start isEmpty. Operand 24604 states and 34471 transitions. [2022-11-18 20:04:25,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-11-18 20:04:25,347 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:04:25,347 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:04:25,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-18 20:04:25,348 INFO L420 AbstractCegarLoop]: === Iteration 24 === 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 33 more)] === [2022-11-18 20:04:25,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:25,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1404238866, now seen corresponding path program 1 times [2022-11-18 20:04:25,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:25,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076916275] [2022-11-18 20:04:25,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:25,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:26,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:04:26,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:26,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 20:04:26,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:26,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:04:26,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:26,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:26,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:26,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:04:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:26,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 20:04:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:26,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:26,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:26,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:04:26,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:26,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 20:04:26,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:26,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 20:04:26,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:26,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:26,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:26,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:26,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:26,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:04:26,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:26,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 20:04:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:26,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:04:26,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:26,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 20:04:26,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:26,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:26,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:26,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:26,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:26,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:04:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:26,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 20:04:26,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:26,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:04:26,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:26,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 20:04:26,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:26,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 20:04:26,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:26,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 20:04:26,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:26,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:26,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:26,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:26,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:26,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:04:26,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:26,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:26,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 20:04:26,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:26,244 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2022-11-18 20:04:26,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:04:26,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076916275] [2022-11-18 20:04:26,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076916275] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:04:26,245 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:04:26,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:04:26,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040093937] [2022-11-18 20:04:26,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:04:26,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 20:04:26,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:04:26,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 20:04:26,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:04:26,247 INFO L87 Difference]: Start difference. First operand 24604 states and 34471 transitions. Second operand has 8 states, 8 states have (on average 12.75) internal successors, (102), 5 states have internal predecessors, (102), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-18 20:04:51,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:04:51,056 INFO L93 Difference]: Finished difference Result 37074 states and 53982 transitions. [2022-11-18 20:04:51,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 20:04:51,057 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.75) internal successors, (102), 5 states have internal predecessors, (102), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 208 [2022-11-18 20:04:51,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:04:51,155 INFO L225 Difference]: With dead ends: 37074 [2022-11-18 20:04:51,155 INFO L226 Difference]: Without dead ends: 30792 [2022-11-18 20:04:51,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:04:51,181 INFO L413 NwaCegarLoop]: 3821 mSDtfsCounter, 3576 mSDsluCounter, 13221 mSDsCounter, 0 mSdLazyCounter, 11476 mSolverCounterSat, 4096 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3759 SdHoareTripleChecker+Valid, 17042 SdHoareTripleChecker+Invalid, 15572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4096 IncrementalHoareTripleChecker+Valid, 11476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2022-11-18 20:04:51,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3759 Valid, 17042 Invalid, 15572 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4096 Valid, 11476 Invalid, 0 Unknown, 0 Unchecked, 17.9s Time] [2022-11-18 20:04:51,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30792 states. [2022-11-18 20:04:55,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30792 to 24610. [2022-11-18 20:04:55,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24610 states, 16350 states have (on average 1.3041590214067278) internal successors, (21323), 16938 states have internal predecessors, (21323), 6540 states have call successors, (6540), 1681 states have call predecessors, (6540), 1692 states have return successors, (6616), 6465 states have call predecessors, (6616), 6538 states have call successors, (6616) [2022-11-18 20:04:55,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24610 states to 24610 states and 34479 transitions. [2022-11-18 20:04:55,653 INFO L78 Accepts]: Start accepts. Automaton has 24610 states and 34479 transitions. Word has length 208 [2022-11-18 20:04:55,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:04:55,654 INFO L495 AbstractCegarLoop]: Abstraction has 24610 states and 34479 transitions. [2022-11-18 20:04:55,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.75) internal successors, (102), 5 states have internal predecessors, (102), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-18 20:04:55,654 INFO L276 IsEmpty]: Start isEmpty. Operand 24610 states and 34479 transitions. [2022-11-18 20:04:55,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-11-18 20:04:55,660 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:04:55,661 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:04:55,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-18 20:04:55,661 INFO L420 AbstractCegarLoop]: === Iteration 25 === 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 33 more)] === [2022-11-18 20:04:55,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:55,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1470925616, now seen corresponding path program 1 times [2022-11-18 20:04:55,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:55,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565923463] [2022-11-18 20:04:55,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:55,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:56,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:04:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:56,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 20:04:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:56,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:04:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:56,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:56,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:56,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:04:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:56,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 20:04:56,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:56,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:56,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:04:56,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:56,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 20:04:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:56,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 20:04:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:56,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:56,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:56,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:56,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:04:56,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:56,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 20:04:56,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:56,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:04:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:56,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 20:04:56,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:56,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:56,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:56,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:56,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:56,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:04:56,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:56,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 20:04:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:56,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:04:56,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:56,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-18 20:04:56,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:56,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 20:04:56,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:56,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-18 20:04:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:56,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:56,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:56,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:56,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:56,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 20:04:56,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:56,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:56,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:56,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 20:04:56,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:56,706 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-11-18 20:04:56,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:04:56,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565923463] [2022-11-18 20:04:56,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565923463] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:04:56,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:04:56,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:04:56,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254513462] [2022-11-18 20:04:56,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:04:56,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 20:04:56,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:04:56,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 20:04:56,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:04:56,708 INFO L87 Difference]: Start difference. First operand 24610 states and 34479 transitions. Second operand has 8 states, 8 states have (on average 12.75) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (25), 6 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22)