./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/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_97025e7a-996b-456a-99a7-a85f7e4fb3fb/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/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_97025e7a-996b-456a-99a7-a85f7e4fb3fb/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 2d0073111a5c7b021bc76098b9f15e3306b34538df9d4af329dd19631f32f125 --- 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 20:59:38,036 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:59:38,038 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:59:38,061 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:59:38,062 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:59:38,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:59:38,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:59:38,072 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:59:38,076 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:59:38,081 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:59:38,083 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:59:38,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:59:38,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:59:38,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:59:38,093 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:59:38,095 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:59:38,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:59:38,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:59:38,107 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:59:38,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:59:38,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:59:38,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:59:38,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:59:38,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:59:38,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:59:38,135 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:59:38,135 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:59:38,136 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:59:38,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:59:38,140 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:59:38,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:59:38,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:59:38,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:59:38,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:59:38,148 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:59:38,148 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:59:38,149 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:59:38,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:59:38,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:59:38,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:59:38,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:59:38,153 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 20:59:38,209 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:59:38,210 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:59:38,210 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:59:38,211 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:59:38,212 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:59:38,212 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:59:38,213 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:59:38,213 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:59:38,214 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:59:38,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:59:38,215 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:59:38,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:59:38,216 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:59:38,216 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:59:38,216 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:59:38,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:59:38,217 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:59:38,217 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:59:38,217 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:59:38,218 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:59:38,218 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:59:38,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:59:38,218 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:59:38,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:59:38,219 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:59:38,219 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:59:38,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:59:38,220 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:59:38,220 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:59:38,220 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:59:38,221 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_97025e7a-996b-456a-99a7-a85f7e4fb3fb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d0073111a5c7b021bc76098b9f15e3306b34538df9d4af329dd19631f32f125 [2022-11-18 20:59:38,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:59:38,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:59:38,582 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:59:38,584 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:59:38,585 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:59:38,587 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i [2022-11-18 20:59:38,661 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/bin/uautomizer-TMbwUNV5ro/data/bbbbc24cf/b8724aef301a4d1dbd0a628563a3e077/FLAG16c378327 [2022-11-18 20:59:39,883 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:59:39,883 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i [2022-11-18 20:59:39,957 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/bin/uautomizer-TMbwUNV5ro/data/bbbbc24cf/b8724aef301a4d1dbd0a628563a3e077/FLAG16c378327 [2022-11-18 20:59:40,079 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/bin/uautomizer-TMbwUNV5ro/data/bbbbc24cf/b8724aef301a4d1dbd0a628563a3e077 [2022-11-18 20:59:40,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:59:40,085 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:59:40,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:59:40,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:59:40,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:59:40,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:59:40" (1/1) ... [2022-11-18 20:59:40,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a7eecb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:40, skipping insertion in model container [2022-11-18 20:59:40,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:59:40" (1/1) ... [2022-11-18 20:59:40,099 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:59:40,341 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:59:48,677 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[659699,659712] [2022-11-18 20:59:48,682 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[659844,659857] [2022-11-18 20:59:48,683 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[659990,660003] [2022-11-18 20:59:48,683 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660155,660168] [2022-11-18 20:59:48,684 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660313,660326] [2022-11-18 20:59:48,685 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660471,660484] [2022-11-18 20:59:48,686 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660629,660642] [2022-11-18 20:59:48,686 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660789,660802] [2022-11-18 20:59:48,687 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660948,660961] [2022-11-18 20:59:48,688 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661087,661100] [2022-11-18 20:59:48,688 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661229,661242] [2022-11-18 20:59:48,692 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661378,661391] [2022-11-18 20:59:48,693 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661517,661530] [2022-11-18 20:59:48,694 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661672,661685] [2022-11-18 20:59:48,695 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661832,661845] [2022-11-18 20:59:48,696 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661983,661996] [2022-11-18 20:59:48,696 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662134,662147] [2022-11-18 20:59:48,697 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662286,662299] [2022-11-18 20:59:48,698 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662435,662448] [2022-11-18 20:59:48,698 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662583,662596] [2022-11-18 20:59:48,699 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662740,662753] [2022-11-18 20:59:48,700 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662889,662902] [2022-11-18 20:59:48,700 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663045,663058] [2022-11-18 20:59:48,701 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663198,663211] [2022-11-18 20:59:48,702 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663344,663357] [2022-11-18 20:59:48,702 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663487,663500] [2022-11-18 20:59:48,703 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663639,663652] [2022-11-18 20:59:48,704 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663785,663798] [2022-11-18 20:59:48,705 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663930,663943] [2022-11-18 20:59:48,705 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664084,664097] [2022-11-18 20:59:48,706 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664235,664248] [2022-11-18 20:59:48,707 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664390,664403] [2022-11-18 20:59:48,707 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664542,664555] [2022-11-18 20:59:48,708 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664697,664710] [2022-11-18 20:59:48,709 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664861,664874] [2022-11-18 20:59:48,709 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665017,665030] [2022-11-18 20:59:48,710 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665181,665194] [2022-11-18 20:59:48,711 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665323,665336] [2022-11-18 20:59:48,711 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665481,665494] [2022-11-18 20:59:48,712 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665648,665661] [2022-11-18 20:59:48,713 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665807,665820] [2022-11-18 20:59:48,713 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665966,665979] [2022-11-18 20:59:48,714 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666115,666128] [2022-11-18 20:59:48,715 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666262,666275] [2022-11-18 20:59:48,716 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666401,666414] [2022-11-18 20:59:48,716 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666564,666577] [2022-11-18 20:59:48,717 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666730,666743] [2022-11-18 20:59:48,718 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666894,666907] [2022-11-18 20:59:48,718 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667059,667072] [2022-11-18 20:59:48,719 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667224,667237] [2022-11-18 20:59:48,720 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667390,667403] [2022-11-18 20:59:48,720 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667555,667568] [2022-11-18 20:59:48,721 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667722,667735] [2022-11-18 20:59:48,722 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667882,667895] [2022-11-18 20:59:48,722 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668044,668057] [2022-11-18 20:59:48,723 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668203,668216] [2022-11-18 20:59:48,723 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668349,668362] [2022-11-18 20:59:48,724 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668492,668505] [2022-11-18 20:59:48,725 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668636,668649] [2022-11-18 20:59:48,725 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668779,668792] [2022-11-18 20:59:48,726 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668923,668936] [2022-11-18 20:59:48,727 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669064,669077] [2022-11-18 20:59:48,727 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669202,669215] [2022-11-18 20:59:48,728 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669360,669373] [2022-11-18 20:59:48,729 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669519,669532] [2022-11-18 20:59:48,729 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669675,669688] [2022-11-18 20:59:48,730 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669824,669837] [2022-11-18 20:59:48,730 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669976,669989] [2022-11-18 20:59:48,731 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670127,670140] [2022-11-18 20:59:48,731 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670276,670289] [2022-11-18 20:59:48,732 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670428,670441] [2022-11-18 20:59:48,733 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670576,670589] [2022-11-18 20:59:48,733 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670729,670742] [2022-11-18 20:59:48,734 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670880,670893] [2022-11-18 20:59:48,735 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671030,671043] [2022-11-18 20:59:48,735 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671177,671190] [2022-11-18 20:59:48,736 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671328,671341] [2022-11-18 20:59:48,736 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671479,671492] [2022-11-18 20:59:48,737 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671627,671640] [2022-11-18 20:59:48,737 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671793,671806] [2022-11-18 20:59:48,738 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671962,671975] [2022-11-18 20:59:48,738 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672129,672142] [2022-11-18 20:59:48,739 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672297,672310] [2022-11-18 20:59:48,739 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672447,672460] [2022-11-18 20:59:48,740 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672594,672607] [2022-11-18 20:59:48,741 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672755,672768] [2022-11-18 20:59:48,741 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672925,672938] [2022-11-18 20:59:48,742 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[673087,673100] [2022-11-18 20:59:48,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:59:48,805 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:59:49,812 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[659699,659712] [2022-11-18 20:59:49,817 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[659844,659857] [2022-11-18 20:59:49,818 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[659990,660003] [2022-11-18 20:59:49,821 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660155,660168] [2022-11-18 20:59:49,822 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660313,660326] [2022-11-18 20:59:49,823 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660471,660484] [2022-11-18 20:59:49,824 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660629,660642] [2022-11-18 20:59:49,825 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660789,660802] [2022-11-18 20:59:49,826 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[660948,660961] [2022-11-18 20:59:49,827 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661087,661100] [2022-11-18 20:59:49,827 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661229,661242] [2022-11-18 20:59:49,828 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661378,661391] [2022-11-18 20:59:49,828 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661517,661530] [2022-11-18 20:59:49,828 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661672,661685] [2022-11-18 20:59:49,829 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661832,661845] [2022-11-18 20:59:49,829 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[661983,661996] [2022-11-18 20:59:49,830 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662134,662147] [2022-11-18 20:59:49,830 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662286,662299] [2022-11-18 20:59:49,831 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662435,662448] [2022-11-18 20:59:49,832 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662583,662596] [2022-11-18 20:59:49,832 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662740,662753] [2022-11-18 20:59:49,833 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[662889,662902] [2022-11-18 20:59:49,833 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663045,663058] [2022-11-18 20:59:49,834 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663198,663211] [2022-11-18 20:59:49,834 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663344,663357] [2022-11-18 20:59:49,835 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663487,663500] [2022-11-18 20:59:49,835 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663639,663652] [2022-11-18 20:59:49,837 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663785,663798] [2022-11-18 20:59:49,837 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[663930,663943] [2022-11-18 20:59:49,838 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664084,664097] [2022-11-18 20:59:49,838 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664235,664248] [2022-11-18 20:59:49,840 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664390,664403] [2022-11-18 20:59:49,841 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664542,664555] [2022-11-18 20:59:49,841 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664697,664710] [2022-11-18 20:59:49,842 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[664861,664874] [2022-11-18 20:59:49,843 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665017,665030] [2022-11-18 20:59:49,843 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665181,665194] [2022-11-18 20:59:49,844 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665323,665336] [2022-11-18 20:59:49,844 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665481,665494] [2022-11-18 20:59:49,845 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665648,665661] [2022-11-18 20:59:49,846 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665807,665820] [2022-11-18 20:59:49,848 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[665966,665979] [2022-11-18 20:59:49,848 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666115,666128] [2022-11-18 20:59:49,849 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666262,666275] [2022-11-18 20:59:49,849 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666401,666414] [2022-11-18 20:59:49,850 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666564,666577] [2022-11-18 20:59:49,850 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666730,666743] [2022-11-18 20:59:49,851 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[666894,666907] [2022-11-18 20:59:49,851 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667059,667072] [2022-11-18 20:59:49,852 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667224,667237] [2022-11-18 20:59:49,852 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667390,667403] [2022-11-18 20:59:49,852 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667555,667568] [2022-11-18 20:59:49,854 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667722,667735] [2022-11-18 20:59:49,855 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[667882,667895] [2022-11-18 20:59:49,856 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668044,668057] [2022-11-18 20:59:49,856 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668203,668216] [2022-11-18 20:59:49,857 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668349,668362] [2022-11-18 20:59:49,857 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668492,668505] [2022-11-18 20:59:49,857 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668636,668649] [2022-11-18 20:59:49,858 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668779,668792] [2022-11-18 20:59:49,858 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[668923,668936] [2022-11-18 20:59:49,859 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669064,669077] [2022-11-18 20:59:49,860 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669202,669215] [2022-11-18 20:59:49,861 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669360,669373] [2022-11-18 20:59:49,869 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669519,669532] [2022-11-18 20:59:49,870 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669675,669688] [2022-11-18 20:59:49,870 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669824,669837] [2022-11-18 20:59:49,871 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[669976,669989] [2022-11-18 20:59:49,872 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670127,670140] [2022-11-18 20:59:49,873 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670276,670289] [2022-11-18 20:59:49,875 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670428,670441] [2022-11-18 20:59:49,875 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670576,670589] [2022-11-18 20:59:49,876 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670729,670742] [2022-11-18 20:59:49,882 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[670880,670893] [2022-11-18 20:59:49,882 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671030,671043] [2022-11-18 20:59:49,883 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671177,671190] [2022-11-18 20:59:49,883 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671328,671341] [2022-11-18 20:59:49,883 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671479,671492] [2022-11-18 20:59:49,885 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671627,671640] [2022-11-18 20:59:49,886 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671793,671806] [2022-11-18 20:59:49,886 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[671962,671975] [2022-11-18 20:59:49,888 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672129,672142] [2022-11-18 20:59:49,888 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672297,672310] [2022-11-18 20:59:49,889 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672447,672460] [2022-11-18 20:59:49,889 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672594,672607] [2022-11-18 20:59:49,889 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672755,672768] [2022-11-18 20:59:49,890 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[672925,672938] [2022-11-18 20:59:49,890 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i[673087,673100] [2022-11-18 20:59:49,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:59:50,379 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:59:50,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:50 WrapperNode [2022-11-18 20:59:50,380 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:59:50,381 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:59:50,381 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:59:50,381 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:59:50,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:50" (1/1) ... [2022-11-18 20:59:50,609 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:50" (1/1) ... [2022-11-18 20:59:51,016 INFO L138 Inliner]: procedures = 981, calls = 6465, calls flagged for inlining = 457, calls inlined = 329, statements flattened = 13013 [2022-11-18 20:59:51,017 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:59:51,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:59:51,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:59:51,018 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:59:51,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:50" (1/1) ... [2022-11-18 20:59:51,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:50" (1/1) ... [2022-11-18 20:59:51,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:50" (1/1) ... [2022-11-18 20:59:51,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:50" (1/1) ... [2022-11-18 20:59:51,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:50" (1/1) ... [2022-11-18 20:59:51,474 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:50" (1/1) ... [2022-11-18 20:59:51,534 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:50" (1/1) ... [2022-11-18 20:59:51,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:50" (1/1) ... [2022-11-18 20:59:51,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:59:51,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:59:51,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:59:51,649 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:59:51,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:50" (1/1) ... [2022-11-18 20:59:51,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:59:51,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:59:51,689 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:59:51,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97025e7a-996b-456a-99a7-a85f7e4fb3fb/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:59:51,732 INFO L130 BoogieDeclarations]: Found specification of procedure dput [2022-11-18 20:59:51,732 INFO L138 BoogieDeclarations]: Found implementation of procedure dput [2022-11-18 20:59:51,733 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-18 20:59:51,733 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2022-11-18 20:59:51,733 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2022-11-18 20:59:51,733 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_DeleteNSEntry [2022-11-18 20:59:51,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_DeleteNSEntry [2022-11-18 20:59:51,733 INFO L130 BoogieDeclarations]: Found specification of procedure ncp__io2vol [2022-11-18 20:59:51,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp__io2vol [2022-11-18 20:59:51,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-18 20:59:51,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-18 20:59:51,734 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_update_dates [2022-11-18 20:59:51,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_update_dates [2022-11-18 20:59:51,734 INFO L130 BoogieDeclarations]: Found specification of procedure __ncp_start_request [2022-11-18 20:59:51,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __ncp_start_request [2022-11-18 20:59:51,734 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-18 20:59:51,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-18 20:59:51,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-18 20:59:51,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-18 20:59:51,735 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_obtain_info [2022-11-18 20:59:51,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_obtain_info [2022-11-18 20:59:51,735 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_file_write [2022-11-18 20:59:51,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_file_write [2022-11-18 20:59:51,735 INFO L130 BoogieDeclarations]: Found specification of procedure new_encode_dev [2022-11-18 20:59:51,735 INFO L138 BoogieDeclarations]: Found implementation of procedure new_encode_dev [2022-11-18 20:59:51,736 INFO L130 BoogieDeclarations]: Found specification of procedure sign_packet [2022-11-18 20:59:51,736 INFO L138 BoogieDeclarations]: Found implementation of procedure sign_packet [2022-11-18 20:59:51,736 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_file_mmap_fault [2022-11-18 20:59:51,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_file_mmap_fault [2022-11-18 20:59:51,736 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_obtain_nfs_info [2022-11-18 20:59:51,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_obtain_nfs_info [2022-11-18 20:59:51,736 INFO L130 BoogieDeclarations]: Found specification of procedure grab_cache_page [2022-11-18 20:59:51,736 INFO L138 BoogieDeclarations]: Found implementation of procedure grab_cache_page [2022-11-18 20:59:51,737 INFO L130 BoogieDeclarations]: Found specification of procedure get_current___1 [2022-11-18 20:59:51,737 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current___1 [2022-11-18 20:59:51,737 INFO L130 BoogieDeclarations]: Found specification of procedure get_current___0 [2022-11-18 20:59:51,737 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current___0 [2022-11-18 20:59:51,737 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_make_open [2022-11-18 20:59:51,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_make_open [2022-11-18 20:59:51,737 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-18 20:59:51,738 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-18 20:59:51,738 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2022-11-18 20:59:51,738 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2022-11-18 20:59:51,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-18 20:59:51,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-18 20:59:51,738 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2022-11-18 20:59:51,738 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2022-11-18 20:59:51,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-18 20:59:51,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-18 20:59:51,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-18 20:59:51,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-18 20:59:51,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:59:51,739 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_ioctl [2022-11-18 20:59:51,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_ioctl [2022-11-18 20:59:51,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-18 20:59:51,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-18 20:59:51,740 INFO L130 BoogieDeclarations]: Found specification of procedure kmap [2022-11-18 20:59:51,740 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap [2022-11-18 20:59:51,740 INFO L130 BoogieDeclarations]: Found specification of procedure iunique [2022-11-18 20:59:51,740 INFO L138 BoogieDeclarations]: Found implementation of procedure iunique [2022-11-18 20:59:51,740 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_reply_le16 [2022-11-18 20:59:51,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_reply_le16 [2022-11-18 20:59:51,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-18 20:59:51,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-18 20:59:51,741 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_statfs [2022-11-18 20:59:51,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_statfs [2022-11-18 20:59:51,741 INFO L130 BoogieDeclarations]: Found specification of procedure assert_server_locked [2022-11-18 20:59:51,741 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_server_locked [2022-11-18 20:59:51,741 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-18 20:59:51,741 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-18 20:59:51,741 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_write_kernel [2022-11-18 20:59:51,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_write_kernel [2022-11-18 20:59:51,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-18 20:59:51,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-18 20:59:51,742 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_reply_byte [2022-11-18 20:59:51,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_reply_byte [2022-11-18 20:59:51,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 20:59:51,742 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-11-18 20:59:51,742 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-11-18 20:59:51,743 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~wchar_t~0~X~$Pointer$~X~int~TO~int [2022-11-18 20:59:51,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~wchar_t~0~X~$Pointer$~X~int~TO~int [2022-11-18 20:59:51,743 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_write [2022-11-18 20:59:51,743 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_write [2022-11-18 20:59:51,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-18 20:59:51,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-18 20:59:51,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:59:51,743 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_destroy_inode [2022-11-18 20:59:51,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_destroy_inode [2022-11-18 20:59:51,744 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_update_attrs [2022-11-18 20:59:51,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_update_attrs [2022-11-18 20:59:51,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-18 20:59:51,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-18 20:59:51,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 20:59:51,744 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-18 20:59:51,744 INFO L130 BoogieDeclarations]: Found specification of procedure bdi_destroy [2022-11-18 20:59:51,744 INFO L138 BoogieDeclarations]: Found implementation of procedure bdi_destroy [2022-11-18 20:59:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-18 20:59:51,745 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-18 20:59:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_get_volume_root [2022-11-18 20:59:51,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_get_volume_root [2022-11-18 20:59:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-18 20:59:51,745 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-18 20:59:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_ncp_server [2022-11-18 20:59:51,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_ncp_server [2022-11-18 20:59:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure unload_nls [2022-11-18 20:59:51,746 INFO L138 BoogieDeclarations]: Found implementation of procedure unload_nls [2022-11-18 20:59:51,746 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_request [2022-11-18 20:59:51,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_request [2022-11-18 20:59:51,746 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_date_dos2unix [2022-11-18 20:59:51,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_date_dos2unix [2022-11-18 20:59:51,746 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_new_dentry [2022-11-18 20:59:51,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_new_dentry [2022-11-18 20:59:51,746 INFO L130 BoogieDeclarations]: Found specification of procedure recalc_sigpending [2022-11-18 20:59:51,746 INFO L138 BoogieDeclarations]: Found implementation of procedure recalc_sigpending [2022-11-18 20:59:51,747 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-18 20:59:51,747 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-18 20:59:51,747 INFO L130 BoogieDeclarations]: Found specification of procedure nls_tolower [2022-11-18 20:59:51,747 INFO L138 BoogieDeclarations]: Found implementation of procedure nls_tolower [2022-11-18 20:59:51,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:59:51,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:59:51,747 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-18 20:59:51,747 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-18 20:59:51,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_open_mutex_of_ncp_inode_info [2022-11-18 20:59:51,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_open_mutex_of_ncp_inode_info [2022-11-18 20:59:51,748 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_page [2022-11-18 20:59:51,748 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_page [2022-11-18 20:59:51,748 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2022-11-18 20:59:51,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2022-11-18 20:59:51,748 INFO L130 BoogieDeclarations]: Found specification of procedure dir_emit [2022-11-18 20:59:51,748 INFO L138 BoogieDeclarations]: Found implementation of procedure dir_emit [2022-11-18 20:59:51,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 20:59:51,749 INFO L130 BoogieDeclarations]: Found specification of procedure release_sock [2022-11-18 20:59:51,749 INFO L138 BoogieDeclarations]: Found implementation of procedure release_sock [2022-11-18 20:59:51,749 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2022-11-18 20:59:51,749 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2022-11-18 20:59:51,749 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-18 20:59:51,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_146 [2022-11-18 20:59:51,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_146 [2022-11-18 20:59:51,749 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_rmdir [2022-11-18 20:59:51,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_rmdir [2022-11-18 20:59:51,750 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-18 20:59:51,750 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-18 20:59:51,750 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_file_read [2022-11-18 20:59:51,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_file_read [2022-11-18 20:59:51,750 INFO L130 BoogieDeclarations]: Found specification of procedure d_instantiate [2022-11-18 20:59:51,750 INFO L138 BoogieDeclarations]: Found implementation of procedure d_instantiate [2022-11-18 20:59:51,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_i_mutex_of_inode [2022-11-18 20:59:51,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_i_mutex_of_inode [2022-11-18 20:59:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_compat_ioctl [2022-11-18 20:59:51,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_compat_ioctl [2022-11-18 20:59:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure WSET_LH [2022-11-18 20:59:51,751 INFO L138 BoogieDeclarations]: Found implementation of procedure WSET_LH [2022-11-18 20:59:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 20:59:51,751 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 20:59:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure setattr_copy [2022-11-18 20:59:51,752 INFO L138 BoogieDeclarations]: Found implementation of procedure setattr_copy [2022-11-18 20:59:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-18 20:59:51,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-18 20:59:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_for_read_section [2022-11-18 20:59:51,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_for_read_section [2022-11-18 20:59:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-18 20:59:51,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-18 20:59:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_reply_data [2022-11-18 20:59:51,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_reply_data [2022-11-18 20:59:51,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:59:51,753 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-18 20:59:51,753 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-18 20:59:51,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-18 20:59:51,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-18 20:59:51,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 20:59:51,753 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-18 20:59:51,754 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-18 20:59:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_d_prune [2022-11-18 20:59:51,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_d_prune [2022-11-18 20:59:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock [2022-11-18 20:59:51,754 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock [2022-11-18 20:59:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_add_byte [2022-11-18 20:59:51,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_add_byte [2022-11-18 20:59:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_init_header [2022-11-18 20:59:51,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_init_header [2022-11-18 20:59:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure pagecache_get_page [2022-11-18 20:59:51,755 INFO L138 BoogieDeclarations]: Found implementation of procedure pagecache_get_page [2022-11-18 20:59:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_add_mem [2022-11-18 20:59:51,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_add_mem [2022-11-18 20:59:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure kill_anon_super [2022-11-18 20:59:51,755 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_anon_super [2022-11-18 20:59:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_root_setup_lock_of_ncp_server [2022-11-18 20:59:51,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_root_setup_lock_of_ncp_server [2022-11-18 20:59:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_is_server_root [2022-11-18 20:59:51,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_is_server_root [2022-11-18 20:59:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_is_nfs_extras [2022-11-18 20:59:51,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_is_nfs_extras [2022-11-18 20:59:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_release [2022-11-18 20:59:51,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_release [2022-11-18 20:59:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-18 20:59:51,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-18 20:59:51,757 INFO L130 BoogieDeclarations]: Found specification of procedure ncpdgram_send [2022-11-18 20:59:51,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ncpdgram_send [2022-11-18 20:59:51,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-18 20:59:51,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-18 20:59:51,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-11-18 20:59:51,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-11-18 20:59:51,757 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_inode_close [2022-11-18 20:59:51,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_inode_close [2022-11-18 20:59:51,758 INFO L130 BoogieDeclarations]: Found specification of procedure NCP_FINFO [2022-11-18 20:59:51,758 INFO L138 BoogieDeclarations]: Found implementation of procedure NCP_FINFO [2022-11-18 20:59:51,758 INFO L130 BoogieDeclarations]: Found specification of procedure ncp__vol2io [2022-11-18 20:59:51,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp__vol2io [2022-11-18 20:59:51,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_creq_mutex_of_NOT_ARG_SIGN [2022-11-18 20:59:51,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_creq_mutex_of_NOT_ARG_SIGN [2022-11-18 20:59:51,758 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_RenameNSEntry [2022-11-18 20:59:51,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_RenameNSEntry [2022-11-18 20:59:51,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_i_mutex_of_inode [2022-11-18 20:59:51,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_i_mutex_of_inode [2022-11-18 20:59:51,759 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2022-11-18 20:59:51,759 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2022-11-18 20:59:51,759 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_notify_change [2022-11-18 20:59:51,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_notify_change [2022-11-18 20:59:51,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_75 [2022-11-18 20:59:51,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_75 [2022-11-18 20:59:51,760 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_reply_dword [2022-11-18 20:59:51,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_reply_dword [2022-11-18 20:59:51,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-18 20:59:51,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-18 20:59:51,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:59:51,760 INFO L130 BoogieDeclarations]: Found specification of procedure mark_inode_dirty [2022-11-18 20:59:51,760 INFO L138 BoogieDeclarations]: Found implementation of procedure mark_inode_dirty [2022-11-18 20:59:51,760 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_update_inode [2022-11-18 20:59:51,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_update_inode [2022-11-18 20:59:51,761 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_del_file_or_subdir [2022-11-18 20:59:51,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_del_file_or_subdir [2022-11-18 20:59:51,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 20:59:51,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 20:59:51,761 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_create_new [2022-11-18 20:59:51,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_create_new [2022-11-18 20:59:51,761 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2022-11-18 20:59:51,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2022-11-18 20:59:51,762 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-18 20:59:51,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-18 20:59:51,762 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_init_request [2022-11-18 20:59:51,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_init_request [2022-11-18 20:59:51,762 INFO L130 BoogieDeclarations]: Found specification of procedure PageUptodate [2022-11-18 20:59:51,762 INFO L138 BoogieDeclarations]: Found implementation of procedure PageUptodate [2022-11-18 20:59:51,762 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-18 20:59:51,762 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-18 20:59:51,763 INFO L130 BoogieDeclarations]: Found specification of procedure kunmap [2022-11-18 20:59:51,763 INFO L138 BoogieDeclarations]: Found implementation of procedure kunmap [2022-11-18 20:59:51,763 INFO L130 BoogieDeclarations]: Found specification of procedure NCP_SBP [2022-11-18 20:59:51,763 INFO L138 BoogieDeclarations]: Found implementation of procedure NCP_SBP [2022-11-18 20:59:51,763 INFO L130 BoogieDeclarations]: Found specification of procedure memdup_user [2022-11-18 20:59:51,763 INFO L138 BoogieDeclarations]: Found implementation of procedure memdup_user [2022-11-18 20:59:51,763 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_hash_dentry [2022-11-18 20:59:51,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_hash_dentry [2022-11-18 20:59:51,763 INFO L130 BoogieDeclarations]: Found specification of procedure load_nls_default [2022-11-18 20:59:51,764 INFO L138 BoogieDeclarations]: Found implementation of procedure load_nls_default [2022-11-18 20:59:51,764 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-18 20:59:51,764 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-18 20:59:51,764 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_open_create_file_or_subdir [2022-11-18 20:59:51,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_open_create_file_or_subdir [2022-11-18 20:59:51,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-18 20:59:51,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-18 20:59:51,764 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-18 20:59:51,765 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-18 20:59:51,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 20:59:51,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 20:59:51,765 INFO L130 BoogieDeclarations]: Found specification of procedure WVAL_LH___0 [2022-11-18 20:59:51,765 INFO L138 BoogieDeclarations]: Found implementation of procedure WVAL_LH___0 [2022-11-18 20:59:51,765 INFO L130 BoogieDeclarations]: Found specification of procedure d_rehash [2022-11-18 20:59:51,765 INFO L138 BoogieDeclarations]: Found implementation of procedure d_rehash [2022-11-18 20:59:51,765 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_evict_inode [2022-11-18 20:59:51,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_evict_inode [2022-11-18 20:59:51,766 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_show_options [2022-11-18 20:59:51,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_show_options [2022-11-18 20:59:51,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-18 20:59:51,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-18 20:59:51,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-18 20:59:51,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-18 20:59:51,767 INFO L130 BoogieDeclarations]: Found specification of procedure generic_file_llseek [2022-11-18 20:59:51,767 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_file_llseek [2022-11-18 20:59:51,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_before_release_sock [2022-11-18 20:59:51,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_before_release_sock [2022-11-18 20:59:51,767 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_reply_be16 [2022-11-18 20:59:51,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_reply_be16 [2022-11-18 20:59:51,767 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_make_closed [2022-11-18 20:59:51,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_make_closed [2022-11-18 20:59:51,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-18 20:59:51,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-18 20:59:51,768 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_del_file_or_subdir2 [2022-11-18 20:59:51,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_del_file_or_subdir2 [2022-11-18 20:59:51,768 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_modify_nfs_info [2022-11-18 20:59:51,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_modify_nfs_info [2022-11-18 20:59:51,768 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_case_sensitive [2022-11-18 20:59:51,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_case_sensitive [2022-11-18 20:59:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-18 20:59:51,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-18 20:59:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-18 20:59:51,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-18 20:59:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_inodecache [2022-11-18 20:59:51,769 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_inodecache [2022-11-18 20:59:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:59:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~~loff_t~0~X~~u64~0~X~int~TO~int [2022-11-18 20:59:51,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~~loff_t~0~X~~u64~0~X~int~TO~int [2022-11-18 20:59:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure __ncp_abort_request [2022-11-18 20:59:51,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __ncp_abort_request [2022-11-18 20:59:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure from_kuid_munged [2022-11-18 20:59:51,770 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kuid_munged [2022-11-18 20:59:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2022-11-18 20:59:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_add_word [2022-11-18 20:59:51,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_add_word [2022-11-18 20:59:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_add_dword_lh [2022-11-18 20:59:51,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_add_dword_lh [2022-11-18 20:59:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 20:59:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_do_request [2022-11-18 20:59:51,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_do_request [2022-11-18 20:59:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-18 20:59:51,771 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-18 20:59:51,772 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_inode_close___3 [2022-11-18 20:59:51,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_inode_close___3 [2022-11-18 20:59:51,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 20:59:51,772 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_date_unix2dos [2022-11-18 20:59:51,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_date_unix2dos [2022-11-18 20:59:51,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-18 20:59:51,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-18 20:59:51,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-18 20:59:51,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-18 20:59:51,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 20:59:51,773 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 20:59:51,773 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_ren_or_mov_file_or_subdir [2022-11-18 20:59:51,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_ren_or_mov_file_or_subdir [2022-11-18 20:59:51,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-18 20:59:51,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-18 20:59:51,773 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2022-11-18 20:59:51,774 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2022-11-18 20:59:51,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_creq_mutex_of_NOT_ARG_SIGN [2022-11-18 20:59:51,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_creq_mutex_of_NOT_ARG_SIGN [2022-11-18 20:59:51,774 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_request2 [2022-11-18 20:59:51,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_request2 [2022-11-18 20:59:51,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-18 20:59:51,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-18 20:59:51,774 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_init_request_s [2022-11-18 20:59:51,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_init_request_s [2022-11-18 20:59:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-18 20:59:51,775 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-18 20:59:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-18 20:59:51,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-18 20:59:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_lock_server [2022-11-18 20:59:51,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_lock_server [2022-11-18 20:59:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure DSET_LH [2022-11-18 20:59:51,776 INFO L138 BoogieDeclarations]: Found implementation of procedure DSET_LH [2022-11-18 20:59:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_close_file [2022-11-18 20:59:51,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_close_file [2022-11-18 20:59:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure nwsign [2022-11-18 20:59:51,776 INFO L138 BoogieDeclarations]: Found implementation of procedure nwsign [2022-11-18 20:59:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-11-18 20:59:51,776 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2022-11-18 20:59:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_update_known_namespace [2022-11-18 20:59:51,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_update_known_namespace [2022-11-18 20:59:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure load_nls [2022-11-18 20:59:51,777 INFO L138 BoogieDeclarations]: Found implementation of procedure load_nls [2022-11-18 20:59:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_net_sock__double_release [2022-11-18 20:59:51,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_net_sock__double_release [2022-11-18 20:59:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure DVAL_LH___0 [2022-11-18 20:59:51,777 INFO L138 BoogieDeclarations]: Found implementation of procedure DVAL_LH___0 [2022-11-18 20:59:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_readdir [2022-11-18 20:59:51,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_readdir [2022-11-18 20:59:51,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-18 20:59:51,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-18 20:59:51,778 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-11-18 20:59:51,778 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-11-18 20:59:51,778 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_read_kernel [2022-11-18 20:59:51,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_read_kernel [2022-11-18 20:59:51,778 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-18 20:59:51,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-18 20:59:51,779 INFO L130 BoogieDeclarations]: Found specification of procedure rol32 [2022-11-18 20:59:51,779 INFO L138 BoogieDeclarations]: Found implementation of procedure rol32 [2022-11-18 20:59:51,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 20:59:51,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 20:59:51,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 20:59:51,779 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-11-18 20:59:51,779 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-11-18 20:59:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-18 20:59:51,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-18 20:59:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_disconnect [2022-11-18 20:59:51,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_disconnect [2022-11-18 20:59:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure inode_permission [2022-11-18 20:59:51,780 INFO L138 BoogieDeclarations]: Found implementation of procedure inode_permission [2022-11-18 20:59:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_extract_file_info [2022-11-18 20:59:51,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_extract_file_info [2022-11-18 20:59:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_modify_file_or_subdir_dos_info_path [2022-11-18 20:59:51,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_modify_file_or_subdir_dos_info_path [2022-11-18 20:59:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_put_super [2022-11-18 20:59:51,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_put_super [2022-11-18 20:59:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_lookup_volume [2022-11-18 20:59:51,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_lookup_volume [2022-11-18 20:59:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure __ncptcp_try_send [2022-11-18 20:59:51,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __ncptcp_try_send [2022-11-18 20:59:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-11-18 20:59:51,782 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-11-18 20:59:51,782 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-18 20:59:51,782 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-18 20:59:51,782 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_mmap [2022-11-18 20:59:51,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_mmap [2022-11-18 20:59:51,782 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_add_be16 [2022-11-18 20:59:51,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_add_be16 [2022-11-18 20:59:51,782 INFO L130 BoogieDeclarations]: Found specification of procedure do_send [2022-11-18 20:59:51,783 INFO L138 BoogieDeclarations]: Found implementation of procedure do_send [2022-11-18 20:59:51,783 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-18 20:59:51,783 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-18 20:59:51,783 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_add_pstring [2022-11-18 20:59:51,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_add_pstring [2022-11-18 20:59:51,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_root_setup_lock_of_ncp_server [2022-11-18 20:59:51,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_root_setup_lock_of_ncp_server [2022-11-18 20:59:51,783 INFO L130 BoogieDeclarations]: Found specification of procedure generic_read_dir [2022-11-18 20:59:51,784 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_read_dir [2022-11-18 20:59:51,784 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_obtain_mtime [2022-11-18 20:59:51,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_obtain_mtime [2022-11-18 20:59:51,784 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_unlink [2022-11-18 20:59:51,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_unlink [2022-11-18 20:59:51,784 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_add_dword [2022-11-18 20:59:51,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_add_dword [2022-11-18 20:59:51,784 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-11-18 20:59:51,784 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2022-11-18 20:59:51,785 INFO L130 BoogieDeclarations]: Found specification of procedure file_accessed [2022-11-18 20:59:51,785 INFO L138 BoogieDeclarations]: Found implementation of procedure file_accessed [2022-11-18 20:59:51,785 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2022-11-18 20:59:51,785 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2022-11-18 20:59:51,785 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_age_dentry [2022-11-18 20:59:51,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_age_dentry [2022-11-18 20:59:51,785 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_add_handle_path [2022-11-18 20:59:51,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_add_handle_path [2022-11-18 20:59:51,786 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-11-18 20:59:51,786 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-11-18 20:59:51,786 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-11-18 20:59:51,786 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-11-18 20:59:51,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 20:59:51,786 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-18 20:59:51,786 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-18 20:59:51,786 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-18 20:59:51,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-18 20:59:51,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-18 20:59:51,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-18 20:59:51,787 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_iget [2022-11-18 20:59:51,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_iget [2022-11-18 20:59:51,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-18 20:59:51,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-18 20:59:51,787 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_fill_cache [2022-11-18 20:59:51,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_fill_cache [2022-11-18 20:59:51,788 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_stop_tasks [2022-11-18 20:59:51,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_stop_tasks [2022-11-18 20:59:51,788 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_update_dirent [2022-11-18 20:59:51,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_update_dirent [2022-11-18 20:59:51,788 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_instantiate [2022-11-18 20:59:51,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_instantiate [2022-11-18 20:59:51,788 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_single_volume [2022-11-18 20:59:51,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_single_volume [2022-11-18 20:59:51,789 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_symlink_readpage [2022-11-18 20:59:51,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_symlink_readpage [2022-11-18 20:59:51,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-18 20:59:51,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-18 20:59:51,789 INFO L130 BoogieDeclarations]: Found specification of procedure DVAL_LH [2022-11-18 20:59:51,789 INFO L138 BoogieDeclarations]: Found implementation of procedure DVAL_LH [2022-11-18 20:59:51,789 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-18 20:59:51,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-18 20:59:51,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_74 [2022-11-18 20:59:51,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_74 [2022-11-18 20:59:51,790 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_reply_dword_lh [2022-11-18 20:59:51,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_reply_dword_lh [2022-11-18 20:59:51,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-18 20:59:51,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-18 20:59:51,790 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 20:59:51,790 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 20:59:51,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_siglock_of_sighand_struct [2022-11-18 20:59:51,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_siglock_of_sighand_struct [2022-11-18 20:59:51,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-18 20:59:51,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-18 20:59:51,791 INFO L130 BoogieDeclarations]: Found specification of procedure SetPageUptodate [2022-11-18 20:59:51,791 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPageUptodate [2022-11-18 20:59:51,791 INFO L130 BoogieDeclarations]: Found specification of procedure uid_eq [2022-11-18 20:59:51,791 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_eq [2022-11-18 20:59:51,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-18 20:59:51,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-18 20:59:51,792 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_req_put [2022-11-18 20:59:51,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_req_put [2022-11-18 20:59:51,792 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-18 20:59:51,792 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-18 20:59:51,792 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-18 20:59:51,792 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-18 20:59:51,792 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_conn_valid [2022-11-18 20:59:51,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_conn_valid [2022-11-18 20:59:51,793 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-18 20:59:51,793 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-18 20:59:51,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-18 20:59:51,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-18 20:59:51,793 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_add_be32 [2022-11-18 20:59:51,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_add_be32 [2022-11-18 20:59:51,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_open_mutex_of_ncp_inode_info [2022-11-18 20:59:51,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_open_mutex_of_ncp_inode_info [2022-11-18 20:59:51,794 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_finish_request [2022-11-18 20:59:51,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_finish_request [2022-11-18 20:59:51,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-18 20:59:51,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-18 20:59:51,794 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_update_inode2 [2022-11-18 20:59:51,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_update_inode2 [2022-11-18 20:59:51,794 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-18 20:59:51,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-18 20:59:51,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:59:51,795 INFO L130 BoogieDeclarations]: Found specification of procedure gid_eq [2022-11-18 20:59:51,795 INFO L138 BoogieDeclarations]: Found implementation of procedure gid_eq [2022-11-18 20:59:51,795 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-18 20:59:51,795 INFO L130 BoogieDeclarations]: Found specification of procedure ncp_unlock_server [2022-11-18 20:59:51,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ncp_unlock_server [2022-11-18 20:59:51,795 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2022-11-18 20:59:51,795 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2022-11-18 20:59:53,364 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:59:53,368 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:59:53,588 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 21:00:07,295 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 21:00:07,320 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 21:00:07,320 INFO L300 CfgBuilder]: Removed 17 assume(true) statements. [2022-11-18 21:00:07,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:00:07 BoogieIcfgContainer [2022-11-18 21:00:07,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 21:00:07,329 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 21:00:07,329 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 21:00:07,333 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 21:00:07,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:59:40" (1/3) ... [2022-11-18 21:00:07,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d749205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:00:07, skipping insertion in model container [2022-11-18 21:00:07,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:50" (2/3) ... [2022-11-18 21:00:07,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d749205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:00:07, skipping insertion in model container [2022-11-18 21:00:07,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:00:07" (3/3) ... [2022-11-18 21:00:07,337 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---fs--ncpfs--ncpfs.ko.cil.i [2022-11-18 21:00:07,359 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 21:00:07,359 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2022-11-18 21:00:07,507 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 21:00:07,514 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;@503059f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 21:00:07,515 INFO L358 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2022-11-18 21:00:07,531 INFO L276 IsEmpty]: Start isEmpty. Operand has 4365 states, 2828 states have (on average 1.3026874115983027) internal successors, (3684), 2920 states have internal predecessors, (3684), 1261 states have call successors, (1261), 246 states have call predecessors, (1261), 245 states have return successors, (1252), 1230 states have call predecessors, (1252), 1252 states have call successors, (1252) [2022-11-18 21:00:07,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-18 21:00:07,542 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:00:07,543 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-18 21:00:07,543 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-18 21:00:07,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:07,550 INFO L85 PathProgramCache]: Analyzing trace with hash -132655419, now seen corresponding path program 1 times [2022-11-18 21:00:07,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:07,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008049640] [2022-11-18 21:00:07,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:07,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:07,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:08,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:00:08,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:08,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 21:00:08,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:08,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:08,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:08,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 21:00:08,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:08,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 21:00:08,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:08,385 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-18 21:00:08,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:00:08,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008049640] [2022-11-18 21:00:08,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008049640] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:00:08,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:00:08,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 21:00:08,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59850874] [2022-11-18 21:00:08,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:00:08,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 21:00:08,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:00:08,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 21:00:08,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:00:08,442 INFO L87 Difference]: Start difference. First operand has 4365 states, 2828 states have (on average 1.3026874115983027) internal successors, (3684), 2920 states have internal predecessors, (3684), 1261 states have call successors, (1261), 246 states have call predecessors, (1261), 245 states have return successors, (1252), 1230 states have call predecessors, (1252), 1252 states have call successors, (1252) Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-18 21:00:29,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:00:29,151 INFO L93 Difference]: Finished difference Result 9447 states and 14024 transitions. [2022-11-18 21:00:29,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 21:00:29,154 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 46 [2022-11-18 21:00:29,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:00:29,202 INFO L225 Difference]: With dead ends: 9447 [2022-11-18 21:00:29,202 INFO L226 Difference]: Without dead ends: 5071 [2022-11-18 21:00:29,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:00:29,239 INFO L413 NwaCegarLoop]: 5380 mSDtfsCounter, 2221 mSDsluCounter, 11272 mSDsCounter, 0 mSdLazyCounter, 6384 mSolverCounterSat, 1766 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2497 SdHoareTripleChecker+Valid, 16652 SdHoareTripleChecker+Invalid, 8150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1766 IncrementalHoareTripleChecker+Valid, 6384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.8s IncrementalHoareTripleChecker+Time [2022-11-18 21:00:29,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2497 Valid, 16652 Invalid, 8150 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1766 Valid, 6384 Invalid, 0 Unknown, 0 Unchecked, 19.8s Time] [2022-11-18 21:00:29,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5071 states. [2022-11-18 21:00:29,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5071 to 4283. [2022-11-18 21:00:29,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4283 states, 2769 states have (on average 1.2697724810400868) internal successors, (3516), 2845 states have internal predecessors, (3516), 1237 states have call successors, (1237), 244 states have call predecessors, (1237), 243 states have return successors, (1235), 1221 states have call predecessors, (1235), 1235 states have call successors, (1235) [2022-11-18 21:00:29,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4283 states to 4283 states and 5988 transitions. [2022-11-18 21:00:29,546 INFO L78 Accepts]: Start accepts. Automaton has 4283 states and 5988 transitions. Word has length 46 [2022-11-18 21:00:29,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:00:29,547 INFO L495 AbstractCegarLoop]: Abstraction has 4283 states and 5988 transitions. [2022-11-18 21:00:29,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-18 21:00:29,547 INFO L276 IsEmpty]: Start isEmpty. Operand 4283 states and 5988 transitions. [2022-11-18 21:00:29,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-18 21:00:29,549 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:00:29,549 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-18 21:00:29,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 21:00:29,550 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-18 21:00:29,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:29,550 INFO L85 PathProgramCache]: Analyzing trace with hash 7893191, now seen corresponding path program 1 times [2022-11-18 21:00:29,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:29,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870209250] [2022-11-18 21:00:29,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:29,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:29,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:30,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:00:30,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:30,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 21:00:30,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:30,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:30,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:30,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 21:00:30,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:30,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 21:00:30,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:30,227 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-18 21:00:30,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:00:30,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870209250] [2022-11-18 21:00:30,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870209250] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:00:30,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:00:30,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 21:00:30,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95869054] [2022-11-18 21:00:30,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:00:30,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 21:00:30,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:00:30,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 21:00:30,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:00:30,231 INFO L87 Difference]: Start difference. First operand 4283 states and 5988 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-18 21:00:47,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:00:47,445 INFO L93 Difference]: Finished difference Result 4435 states and 6245 transitions. [2022-11-18 21:00:47,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 21:00:47,446 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 46 [2022-11-18 21:00:47,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:00:47,475 INFO L225 Difference]: With dead ends: 4435 [2022-11-18 21:00:47,475 INFO L226 Difference]: Without dead ends: 4433 [2022-11-18 21:00:47,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-18 21:00:47,480 INFO L413 NwaCegarLoop]: 4737 mSDtfsCounter, 5900 mSDsluCounter, 6591 mSDsCounter, 0 mSdLazyCounter, 4268 mSolverCounterSat, 2176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6651 SdHoareTripleChecker+Valid, 11328 SdHoareTripleChecker+Invalid, 6444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2176 IncrementalHoareTripleChecker+Valid, 4268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2022-11-18 21:00:47,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6651 Valid, 11328 Invalid, 6444 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2176 Valid, 4268 Invalid, 0 Unknown, 0 Unchecked, 16.7s Time] [2022-11-18 21:00:47,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4433 states. [2022-11-18 21:00:47,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4433 to 4281. [2022-11-18 21:00:47,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4281 states, 2768 states have (on average 1.2695086705202312) internal successors, (3514), 2843 states have internal predecessors, (3514), 1237 states have call successors, (1237), 244 states have call predecessors, (1237), 243 states have return successors, (1235), 1221 states have call predecessors, (1235), 1235 states have call successors, (1235) [2022-11-18 21:00:47,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 4281 states and 5986 transitions. [2022-11-18 21:00:47,720 INFO L78 Accepts]: Start accepts. Automaton has 4281 states and 5986 transitions. Word has length 46 [2022-11-18 21:00:47,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:00:47,721 INFO L495 AbstractCegarLoop]: Abstraction has 4281 states and 5986 transitions. [2022-11-18 21:00:47,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-18 21:00:47,721 INFO L276 IsEmpty]: Start isEmpty. Operand 4281 states and 5986 transitions. [2022-11-18 21:00:47,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-18 21:00:47,723 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:00:47,723 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-18 21:00:47,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 21:00:47,723 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_for_read_sectionErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-18 21:00:47,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:00:47,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1072144245, now seen corresponding path program 1 times [2022-11-18 21:00:47,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:00:47,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505071910] [2022-11-18 21:00:47,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:00:47,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:00:47,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:48,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:00:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:48,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 21:00:48,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:48,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:00:48,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:48,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 21:00:48,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:48,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 21:00:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:00:48,376 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-18 21:00:48,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:00:48,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505071910] [2022-11-18 21:00:48,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505071910] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:00:48,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:00:48,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 21:00:48,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59565237] [2022-11-18 21:00:48,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:00:48,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 21:00:48,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:00:48,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 21:00:48,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:00:48,379 INFO L87 Difference]: Start difference. First operand 4281 states and 5986 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-18 21:01:05,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:01:05,004 INFO L93 Difference]: Finished difference Result 4433 states and 6243 transitions. [2022-11-18 21:01:05,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 21:01:05,007 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 49 [2022-11-18 21:01:05,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:01:05,033 INFO L225 Difference]: With dead ends: 4433 [2022-11-18 21:01:05,033 INFO L226 Difference]: Without dead ends: 4431 [2022-11-18 21:01:05,037 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-18 21:01:05,038 INFO L413 NwaCegarLoop]: 4734 mSDtfsCounter, 5888 mSDsluCounter, 6585 mSDsCounter, 0 mSdLazyCounter, 4269 mSolverCounterSat, 2176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6642 SdHoareTripleChecker+Valid, 11319 SdHoareTripleChecker+Invalid, 6445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2176 IncrementalHoareTripleChecker+Valid, 4269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2022-11-18 21:01:05,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6642 Valid, 11319 Invalid, 6445 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2176 Valid, 4269 Invalid, 0 Unknown, 0 Unchecked, 16.2s Time] [2022-11-18 21:01:05,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4431 states. [2022-11-18 21:01:05,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4431 to 4279. [2022-11-18 21:01:05,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4279 states, 2767 states have (on average 1.2692446693169497) internal successors, (3512), 2841 states have internal predecessors, (3512), 1237 states have call successors, (1237), 244 states have call predecessors, (1237), 243 states have return successors, (1235), 1221 states have call predecessors, (1235), 1235 states have call successors, (1235) [2022-11-18 21:01:05,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4279 states to 4279 states and 5984 transitions. [2022-11-18 21:01:05,287 INFO L78 Accepts]: Start accepts. Automaton has 4279 states and 5984 transitions. Word has length 49 [2022-11-18 21:01:05,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:01:05,289 INFO L495 AbstractCegarLoop]: Abstraction has 4279 states and 5984 transitions. [2022-11-18 21:01:05,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-18 21:01:05,291 INFO L276 IsEmpty]: Start isEmpty. Operand 4279 states and 5984 transitions. [2022-11-18 21:01:05,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-18 21:01:05,298 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:01:05,298 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-18 21:01:05,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 21:01:05,299 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_for_read_sectionErr2ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-18 21:01:05,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:01:05,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1427593427, now seen corresponding path program 1 times [2022-11-18 21:01:05,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:01:05,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414280653] [2022-11-18 21:01:05,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:01:05,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:01:05,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:05,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:01:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:05,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 21:01:05,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:05,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:01:05,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:05,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 21:01:05,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:05,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 21:01:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:05,888 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-18 21:01:05,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:01:05,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414280653] [2022-11-18 21:01:05,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414280653] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:01:05,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:01:05,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 21:01:05,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142219334] [2022-11-18 21:01:05,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:01:05,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 21:01:05,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:01:05,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 21:01:05,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:01:05,891 INFO L87 Difference]: Start difference. First operand 4279 states and 5984 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-18 21:01:21,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:01:21,927 INFO L93 Difference]: Finished difference Result 4431 states and 6241 transitions. [2022-11-18 21:01:21,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 21:01:21,927 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 52 [2022-11-18 21:01:21,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:01:21,950 INFO L225 Difference]: With dead ends: 4431 [2022-11-18 21:01:21,950 INFO L226 Difference]: Without dead ends: 4429 [2022-11-18 21:01:21,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-18 21:01:21,953 INFO L413 NwaCegarLoop]: 4765 mSDtfsCounter, 5848 mSDsluCounter, 6618 mSDsCounter, 0 mSdLazyCounter, 4270 mSolverCounterSat, 2174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6600 SdHoareTripleChecker+Valid, 11383 SdHoareTripleChecker+Invalid, 6444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2174 IncrementalHoareTripleChecker+Valid, 4270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2022-11-18 21:01:21,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6600 Valid, 11383 Invalid, 6444 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2174 Valid, 4270 Invalid, 0 Unknown, 0 Unchecked, 15.6s Time] [2022-11-18 21:01:21,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4429 states. [2022-11-18 21:01:22,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4429 to 4277. [2022-11-18 21:01:22,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4277 states, 2766 states have (on average 1.2689804772234274) internal successors, (3510), 2839 states have internal predecessors, (3510), 1237 states have call successors, (1237), 244 states have call predecessors, (1237), 243 states have return successors, (1235), 1221 states have call predecessors, (1235), 1235 states have call successors, (1235) [2022-11-18 21:01:22,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4277 states to 4277 states and 5982 transitions. [2022-11-18 21:01:22,218 INFO L78 Accepts]: Start accepts. Automaton has 4277 states and 5982 transitions. Word has length 52 [2022-11-18 21:01:22,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:01:22,219 INFO L495 AbstractCegarLoop]: Abstraction has 4277 states and 5982 transitions. [2022-11-18 21:01:22,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-18 21:01:22,219 INFO L276 IsEmpty]: Start isEmpty. Operand 4277 states and 5982 transitions. [2022-11-18 21:01:22,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-18 21:01:22,222 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:01:22,222 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-18 21:01:22,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 21:01:22,222 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_for_read_sectionErr3ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-18 21:01:22,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:01:22,223 INFO L85 PathProgramCache]: Analyzing trace with hash 674646551, now seen corresponding path program 1 times [2022-11-18 21:01:22,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:01:22,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460234680] [2022-11-18 21:01:22,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:01:22,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:01:22,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:22,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:01:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:22,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 21:01:22,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:22,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:01:22,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:22,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 21:01:22,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:22,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 21:01:22,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:22,787 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-18 21:01:22,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:01:22,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460234680] [2022-11-18 21:01:22,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460234680] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:01:22,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:01:22,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 21:01:22,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318095647] [2022-11-18 21:01:22,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:01:22,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 21:01:22,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:01:22,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 21:01:22,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:01:22,791 INFO L87 Difference]: Start difference. First operand 4277 states and 5982 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-18 21:01:37,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:01:37,620 INFO L93 Difference]: Finished difference Result 4429 states and 6239 transitions. [2022-11-18 21:01:37,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 21:01:37,621 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 55 [2022-11-18 21:01:37,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:01:37,645 INFO L225 Difference]: With dead ends: 4429 [2022-11-18 21:01:37,645 INFO L226 Difference]: Without dead ends: 4427 [2022-11-18 21:01:37,648 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-18 21:01:37,649 INFO L413 NwaCegarLoop]: 4764 mSDtfsCounter, 5836 mSDsluCounter, 6617 mSDsCounter, 0 mSdLazyCounter, 4271 mSolverCounterSat, 2176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6588 SdHoareTripleChecker+Valid, 11381 SdHoareTripleChecker+Invalid, 6447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2176 IncrementalHoareTripleChecker+Valid, 4271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2022-11-18 21:01:37,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6588 Valid, 11381 Invalid, 6447 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2176 Valid, 4271 Invalid, 0 Unknown, 0 Unchecked, 14.4s Time] [2022-11-18 21:01:37,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4427 states. [2022-11-18 21:01:37,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4427 to 4275. [2022-11-18 21:01:37,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4275 states, 2765 states have (on average 1.2687160940325497) internal successors, (3508), 2837 states have internal predecessors, (3508), 1237 states have call successors, (1237), 244 states have call predecessors, (1237), 243 states have return successors, (1235), 1221 states have call predecessors, (1235), 1235 states have call successors, (1235) [2022-11-18 21:01:37,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4275 states to 4275 states and 5980 transitions. [2022-11-18 21:01:37,932 INFO L78 Accepts]: Start accepts. Automaton has 4275 states and 5980 transitions. Word has length 55 [2022-11-18 21:01:37,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:01:37,935 INFO L495 AbstractCegarLoop]: Abstraction has 4275 states and 5980 transitions. [2022-11-18 21:01:37,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-18 21:01:37,935 INFO L276 IsEmpty]: Start isEmpty. Operand 4275 states and 5980 transitions. [2022-11-18 21:01:37,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-18 21:01:37,938 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:01:37,938 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-11-18 21:01:37,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 21:01:37,939 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-18 21:01:37,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:01:37,939 INFO L85 PathProgramCache]: Analyzing trace with hash -21626307, now seen corresponding path program 1 times [2022-11-18 21:01:37,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:01:37,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206572396] [2022-11-18 21:01:37,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:01:37,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:01:38,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:38,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:01:38,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:38,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 21:01:38,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:38,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:01:38,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:38,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-18 21:01:38,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:38,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 21:01:38,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:38,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 21:01:38,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:38,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:01:38,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:38,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 21:01:38,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:38,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 21:01:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:38,563 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-18 21:01:38,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:01:38,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206572396] [2022-11-18 21:01:38,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206572396] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:01:38,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:01:38,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 21:01:38,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432643585] [2022-11-18 21:01:38,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:01:38,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 21:01:38,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:01:38,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 21:01:38,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 21:01:38,567 INFO L87 Difference]: Start difference. First operand 4275 states and 5980 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-18 21:02:16,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:02:19,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:02:21,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:02:21,136 INFO L93 Difference]: Finished difference Result 4839 states and 6713 transitions. [2022-11-18 21:02:21,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 21:02:21,136 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 65 [2022-11-18 21:02:21,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:02:21,161 INFO L225 Difference]: With dead ends: 4839 [2022-11-18 21:02:21,161 INFO L226 Difference]: Without dead ends: 4837 [2022-11-18 21:02:21,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2022-11-18 21:02:21,164 INFO L413 NwaCegarLoop]: 1111 mSDtfsCounter, 11771 mSDsluCounter, 2605 mSDsCounter, 0 mSdLazyCounter, 14325 mSolverCounterSat, 8560 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12036 SdHoareTripleChecker+Valid, 3716 SdHoareTripleChecker+Invalid, 22887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8560 IncrementalHoareTripleChecker+Valid, 14325 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.7s IncrementalHoareTripleChecker+Time [2022-11-18 21:02:21,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12036 Valid, 3716 Invalid, 22887 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8560 Valid, 14325 Invalid, 2 Unknown, 0 Unchecked, 41.7s Time] [2022-11-18 21:02:21,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4837 states. [2022-11-18 21:02:21,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4837 to 4621. [2022-11-18 21:02:21,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4621 states, 3003 states have (on average 1.2634032634032635) internal successors, (3794), 3077 states have internal predecessors, (3794), 1293 states have call successors, (1293), 297 states have call predecessors, (1293), 296 states have return successors, (1291), 1277 states have call predecessors, (1291), 1291 states have call successors, (1291) [2022-11-18 21:02:21,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4621 states to 4621 states and 6378 transitions. [2022-11-18 21:02:21,549 INFO L78 Accepts]: Start accepts. Automaton has 4621 states and 6378 transitions. Word has length 65 [2022-11-18 21:02:21,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:02:21,549 INFO L495 AbstractCegarLoop]: Abstraction has 4621 states and 6378 transitions. [2022-11-18 21:02:21,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-18 21:02:21,550 INFO L276 IsEmpty]: Start isEmpty. Operand 4621 states and 6378 transitions. [2022-11-18 21:02:21,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-18 21:02:21,551 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:02:21,551 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-11-18 21:02:21,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 21:02:21,551 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-18 21:02:21,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:02:21,552 INFO L85 PathProgramCache]: Analyzing trace with hash -362842572, now seen corresponding path program 1 times [2022-11-18 21:02:21,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:02:21,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785412791] [2022-11-18 21:02:21,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:02:21,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:02:21,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:02:21,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:02:21,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:02:21,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 21:02:21,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:02:21,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:02:21,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:02:21,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-18 21:02:21,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:02:21,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 21:02:21,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:02:22,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 21:02:22,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:02:22,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:02:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:02:22,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 21:02:22,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:02:22,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 21:02:22,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:02:22,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 21:02:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:02:22,095 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-18 21:02:22,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:02:22,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785412791] [2022-11-18 21:02:22,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785412791] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:02:22,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:02:22,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 21:02:22,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219811101] [2022-11-18 21:02:22,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:02:22,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 21:02:22,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:02:22,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 21:02:22,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 21:02:22,098 INFO L87 Difference]: Start difference. First operand 4621 states and 6378 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-18 21:03:05,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:03:07,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:03:07,169 INFO L93 Difference]: Finished difference Result 4827 states and 6708 transitions. [2022-11-18 21:03:07,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 21:03:07,169 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 71 [2022-11-18 21:03:07,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:03:07,195 INFO L225 Difference]: With dead ends: 4827 [2022-11-18 21:03:07,195 INFO L226 Difference]: Without dead ends: 4825 [2022-11-18 21:03:07,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2022-11-18 21:03:07,200 INFO L413 NwaCegarLoop]: 1110 mSDtfsCounter, 10991 mSDsluCounter, 2603 mSDsCounter, 0 mSdLazyCounter, 13583 mSolverCounterSat, 8249 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11254 SdHoareTripleChecker+Valid, 3713 SdHoareTripleChecker+Invalid, 21833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8249 IncrementalHoareTripleChecker+Valid, 13583 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.2s IncrementalHoareTripleChecker+Time [2022-11-18 21:03:07,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11254 Valid, 3713 Invalid, 21833 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8249 Valid, 13583 Invalid, 1 Unknown, 0 Unchecked, 44.2s Time] [2022-11-18 21:03:07,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4825 states. [2022-11-18 21:03:07,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4825 to 4619. [2022-11-18 21:03:07,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4619 states, 3002 states have (on average 1.263157894736842) internal successors, (3792), 3075 states have internal predecessors, (3792), 1293 states have call successors, (1293), 297 states have call predecessors, (1293), 296 states have return successors, (1291), 1277 states have call predecessors, (1291), 1291 states have call successors, (1291) [2022-11-18 21:03:07,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4619 states to 4619 states and 6376 transitions. [2022-11-18 21:03:07,712 INFO L78 Accepts]: Start accepts. Automaton has 4619 states and 6376 transitions. Word has length 71 [2022-11-18 21:03:07,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:03:07,713 INFO L495 AbstractCegarLoop]: Abstraction has 4619 states and 6376 transitions. [2022-11-18 21:03:07,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-18 21:03:07,714 INFO L276 IsEmpty]: Start isEmpty. Operand 4619 states and 6376 transitions. [2022-11-18 21:03:07,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-18 21:03:07,715 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:03:07,715 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-11-18 21:03:07,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 21:03:07,716 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-18 21:03:07,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:03:07,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1600114489, now seen corresponding path program 1 times [2022-11-18 21:03:07,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:03:07,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213241446] [2022-11-18 21:03:07,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:03:07,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:03:07,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:08,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:03:08,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:08,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 21:03:08,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:08,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:03:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:08,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-18 21:03:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:08,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 21:03:08,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:08,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 21:03:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:08,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:03:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:08,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 21:03:08,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:08,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 21:03:08,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:08,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 21:03:08,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:08,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 21:03:08,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:08,262 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-18 21:03:08,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:03:08,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213241446] [2022-11-18 21:03:08,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213241446] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:03:08,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:03:08,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 21:03:08,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088108462] [2022-11-18 21:03:08,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:03:08,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 21:03:08,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:03:08,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 21:03:08,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 21:03:08,265 INFO L87 Difference]: Start difference. First operand 4619 states and 6376 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, (12), 5 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-18 21:03:49,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:03:53,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:03:55,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:03:57,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:03:58,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:03:58,221 INFO L93 Difference]: Finished difference Result 4823 states and 6703 transitions. [2022-11-18 21:03:58,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 21:03:58,222 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, (12), 5 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 77 [2022-11-18 21:03:58,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:03:58,244 INFO L225 Difference]: With dead ends: 4823 [2022-11-18 21:03:58,244 INFO L226 Difference]: Without dead ends: 4821 [2022-11-18 21:03:58,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-18 21:03:58,248 INFO L413 NwaCegarLoop]: 1107 mSDtfsCounter, 10991 mSDsluCounter, 2597 mSDsCounter, 0 mSdLazyCounter, 13582 mSolverCounterSat, 8235 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11254 SdHoareTripleChecker+Valid, 3704 SdHoareTripleChecker+Invalid, 21819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8235 IncrementalHoareTripleChecker+Valid, 13582 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.0s IncrementalHoareTripleChecker+Time [2022-11-18 21:03:58,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11254 Valid, 3704 Invalid, 21819 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8235 Valid, 13582 Invalid, 2 Unknown, 0 Unchecked, 49.0s Time] [2022-11-18 21:03:58,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4821 states. [2022-11-18 21:03:58,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4821 to 4617. [2022-11-18 21:03:58,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4617 states, 3001 states have (on average 1.262912362545818) internal successors, (3790), 3073 states have internal predecessors, (3790), 1293 states have call successors, (1293), 297 states have call predecessors, (1293), 296 states have return successors, (1291), 1277 states have call predecessors, (1291), 1291 states have call successors, (1291) [2022-11-18 21:03:58,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4617 states to 4617 states and 6374 transitions. [2022-11-18 21:03:58,735 INFO L78 Accepts]: Start accepts. Automaton has 4617 states and 6374 transitions. Word has length 77 [2022-11-18 21:03:58,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:03:58,736 INFO L495 AbstractCegarLoop]: Abstraction has 4617 states and 6374 transitions. [2022-11-18 21:03:58,736 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, (12), 5 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-18 21:03:58,736 INFO L276 IsEmpty]: Start isEmpty. Operand 4617 states and 6374 transitions. [2022-11-18 21:03:58,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-18 21:03:58,742 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:03:58,743 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:03:58,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 21:03:58,743 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-18 21:03:58,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:03:58,744 INFO L85 PathProgramCache]: Analyzing trace with hash 812942924, now seen corresponding path program 1 times [2022-11-18 21:03:58,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:03:58,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678476731] [2022-11-18 21:03:58,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:03:58,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:03:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:59,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:03:59,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:03:59,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 21:03:59,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:00,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:00,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 21:04:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:00,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 21:04:00,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:00,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 21:04:00,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:00,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:00,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:00,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:04:00,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:00,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 21:04:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:00,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-18 21:04:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:00,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 21:04:00,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:00,267 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-18 21:04:00,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:04:00,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678476731] [2022-11-18 21:04:00,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678476731] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:04:00,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:04:00,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 21:04:00,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042006080] [2022-11-18 21:04:00,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:04:00,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 21:04:00,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:04:00,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 21:04:00,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 21:04:00,274 INFO L87 Difference]: Start difference. First operand 4617 states and 6374 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-18 21:04:40,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:04:40,019 INFO L93 Difference]: Finished difference Result 14047 states and 19501 transitions. [2022-11-18 21:04:40,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 21:04:40,019 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 84 [2022-11-18 21:04:40,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:04:40,072 INFO L225 Difference]: With dead ends: 14047 [2022-11-18 21:04:40,073 INFO L226 Difference]: Without dead ends: 9441 [2022-11-18 21:04:40,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-11-18 21:04:40,102 INFO L413 NwaCegarLoop]: 5911 mSDtfsCounter, 6769 mSDsluCounter, 20908 mSDsCounter, 0 mSdLazyCounter, 15771 mSolverCounterSat, 3663 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7632 SdHoareTripleChecker+Valid, 26819 SdHoareTripleChecker+Invalid, 19434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 3663 IncrementalHoareTripleChecker+Valid, 15771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.0s IncrementalHoareTripleChecker+Time [2022-11-18 21:04:40,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7632 Valid, 26819 Invalid, 19434 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [3663 Valid, 15771 Invalid, 0 Unknown, 0 Unchecked, 38.0s Time] [2022-11-18 21:04:40,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9441 states. [2022-11-18 21:04:41,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9441 to 8845. [2022-11-18 21:04:41,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8845 states, 5765 states have (on average 1.2673026886383347) internal successors, (7306), 5880 states have internal predecessors, (7306), 2494 states have call successors, (2494), 559 states have call predecessors, (2494), 559 states have return successors, (2506), 2465 states have call predecessors, (2506), 2492 states have call successors, (2506) [2022-11-18 21:04:41,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8845 states to 8845 states and 12306 transitions. [2022-11-18 21:04:41,196 INFO L78 Accepts]: Start accepts. Automaton has 8845 states and 12306 transitions. Word has length 84 [2022-11-18 21:04:41,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:04:41,197 INFO L495 AbstractCegarLoop]: Abstraction has 8845 states and 12306 transitions. [2022-11-18 21:04:41,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-18 21:04:41,198 INFO L276 IsEmpty]: Start isEmpty. Operand 8845 states and 12306 transitions. [2022-11-18 21:04:41,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-18 21:04:41,203 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:04:41,204 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-11-18 21:04:41,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 21:04:41,204 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-18 21:04:41,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:04:41,205 INFO L85 PathProgramCache]: Analyzing trace with hash 636580319, now seen corresponding path program 1 times [2022-11-18 21:04:41,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:04:41,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628150224] [2022-11-18 21:04:41,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:04:41,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:04:41,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:41,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:04:41,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:41,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 21:04:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:41,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:41,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:41,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-18 21:04:41,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:41,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 21:04:41,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:41,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 21:04:41,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:41,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:04:41,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:41,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 21:04:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:41,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 21:04:41,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:41,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 21:04:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:41,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 21:04:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:41,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 21:04:41,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:04:41,936 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-18 21:04:41,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:04:41,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628150224] [2022-11-18 21:04:41,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628150224] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:04:41,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:04:41,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 21:04:41,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154855003] [2022-11-18 21:04:41,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:04:41,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 21:04:41,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:04:41,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 21:04:41,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 21:04:41,940 INFO L87 Difference]: Start difference. First operand 8845 states and 12306 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-18 21:05:27,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:05:29,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:05:31,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:05:32,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:05:32,512 INFO L93 Difference]: Finished difference Result 9247 states and 12936 transitions. [2022-11-18 21:05:32,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 21:05:32,513 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 83 [2022-11-18 21:05:32,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:05:32,549 INFO L225 Difference]: With dead ends: 9247 [2022-11-18 21:05:32,549 INFO L226 Difference]: Without dead ends: 9245 [2022-11-18 21:05:32,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-18 21:05:32,553 INFO L413 NwaCegarLoop]: 1109 mSDtfsCounter, 10893 mSDsluCounter, 2597 mSDsCounter, 0 mSdLazyCounter, 13646 mSolverCounterSat, 8235 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11153 SdHoareTripleChecker+Valid, 3706 SdHoareTripleChecker+Invalid, 21883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8235 IncrementalHoareTripleChecker+Valid, 13646 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.9s IncrementalHoareTripleChecker+Time [2022-11-18 21:05:32,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11153 Valid, 3706 Invalid, 21883 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8235 Valid, 13646 Invalid, 2 Unknown, 0 Unchecked, 48.9s Time] [2022-11-18 21:05:32,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9245 states. [2022-11-18 21:05:33,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9245 to 8843. [2022-11-18 21:05:33,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8843 states, 5764 states have (on average 1.2671755725190839) internal successors, (7304), 5878 states have internal predecessors, (7304), 2494 states have call successors, (2494), 559 states have call predecessors, (2494), 559 states have return successors, (2506), 2465 states have call predecessors, (2506), 2492 states have call successors, (2506) [2022-11-18 21:05:33,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8843 states to 8843 states and 12304 transitions. [2022-11-18 21:05:33,521 INFO L78 Accepts]: Start accepts. Automaton has 8843 states and 12304 transitions. Word has length 83 [2022-11-18 21:05:33,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:05:33,522 INFO L495 AbstractCegarLoop]: Abstraction has 8843 states and 12304 transitions. [2022-11-18 21:05:33,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-18 21:05:33,523 INFO L276 IsEmpty]: Start isEmpty. Operand 8843 states and 12304 transitions. [2022-11-18 21:05:33,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-18 21:05:33,525 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:05:33,525 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-11-18 21:05:33,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 21:05:33,526 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-18 21:05:33,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:05:33,526 INFO L85 PathProgramCache]: Analyzing trace with hash -872059428, now seen corresponding path program 1 times [2022-11-18 21:05:33,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:05:33,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517222557] [2022-11-18 21:05:33,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:05:33,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:05:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:33,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:05:33,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:34,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 21:05:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:34,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:34,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:34,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-18 21:05:34,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:34,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 21:05:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:34,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 21:05:34,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:34,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:05:34,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:34,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 21:05:34,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:34,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 21:05:34,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:34,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 21:05:34,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:34,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 21:05:34,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:34,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 21:05:34,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:34,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 21:05:34,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:05:34,255 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-18 21:05:34,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:05:34,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517222557] [2022-11-18 21:05:34,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517222557] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:05:34,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:05:34,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 21:05:34,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150357794] [2022-11-18 21:05:34,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:05:34,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 21:05:34,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:05:34,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 21:05:34,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 21:05:34,261 INFO L87 Difference]: Start difference. First operand 8843 states and 12304 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-18 21:06:17,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:06:20,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:06:22,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:06:24,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:06:25,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:06:25,237 INFO L93 Difference]: Finished difference Result 9245 states and 12934 transitions. [2022-11-18 21:06:25,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 21:06:25,238 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 89 [2022-11-18 21:06:25,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:06:25,275 INFO L225 Difference]: With dead ends: 9245 [2022-11-18 21:06:25,275 INFO L226 Difference]: Without dead ends: 9243 [2022-11-18 21:06:25,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-18 21:06:25,281 INFO L413 NwaCegarLoop]: 1108 mSDtfsCounter, 10885 mSDsluCounter, 2597 mSDsCounter, 0 mSdLazyCounter, 13632 mSolverCounterSat, 8241 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11145 SdHoareTripleChecker+Valid, 3705 SdHoareTripleChecker+Invalid, 21875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8241 IncrementalHoareTripleChecker+Valid, 13632 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.3s IncrementalHoareTripleChecker+Time [2022-11-18 21:06:25,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11145 Valid, 3705 Invalid, 21875 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8241 Valid, 13632 Invalid, 2 Unknown, 0 Unchecked, 49.3s Time] [2022-11-18 21:06:25,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9243 states. [2022-11-18 21:06:26,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9243 to 8841. [2022-11-18 21:06:26,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8841 states, 5763 states have (on average 1.267048412285268) internal successors, (7302), 5876 states have internal predecessors, (7302), 2494 states have call successors, (2494), 559 states have call predecessors, (2494), 559 states have return successors, (2506), 2465 states have call predecessors, (2506), 2492 states have call successors, (2506) [2022-11-18 21:06:26,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8841 states to 8841 states and 12302 transitions. [2022-11-18 21:06:26,365 INFO L78 Accepts]: Start accepts. Automaton has 8841 states and 12302 transitions. Word has length 89 [2022-11-18 21:06:26,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:06:26,366 INFO L495 AbstractCegarLoop]: Abstraction has 8841 states and 12302 transitions. [2022-11-18 21:06:26,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-18 21:06:26,366 INFO L276 IsEmpty]: Start isEmpty. Operand 8841 states and 12302 transitions. [2022-11-18 21:06:26,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-18 21:06:26,369 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:06:26,369 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:06:26,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 21:06:26,369 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-18 21:06:26,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:06:26,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1226967176, now seen corresponding path program 1 times [2022-11-18 21:06:26,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:06:26,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484280581] [2022-11-18 21:06:26,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:06:26,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:06:26,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:06:26,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 21:06:26,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:26,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-18 21:06:26,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 21:06:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 21:06:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:06:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 21:06:26,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 21:06:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 21:06:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:26,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 21:06:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:27,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 21:06:27,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:27,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 21:06:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:27,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 21:06:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:27,069 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-18 21:06:27,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:06:27,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484280581] [2022-11-18 21:06:27,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484280581] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:06:27,070 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:06:27,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 21:06:27,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928587078] [2022-11-18 21:06:27,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:06:27,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 21:06:27,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:06:27,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 21:06:27,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 21:06:27,073 INFO L87 Difference]: Start difference. First operand 8841 states and 12302 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-18 21:07:11,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:07:12,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:07:12,921 INFO L93 Difference]: Finished difference Result 9247 states and 12938 transitions. [2022-11-18 21:07:12,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 21:07:12,922 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 95 [2022-11-18 21:07:12,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:07:12,963 INFO L225 Difference]: With dead ends: 9247 [2022-11-18 21:07:12,963 INFO L226 Difference]: Without dead ends: 9245 [2022-11-18 21:07:12,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2022-11-18 21:07:12,969 INFO L413 NwaCegarLoop]: 1110 mSDtfsCounter, 10869 mSDsluCounter, 2603 mSDsCounter, 0 mSdLazyCounter, 13627 mSolverCounterSat, 8249 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11128 SdHoareTripleChecker+Valid, 3713 SdHoareTripleChecker+Invalid, 21877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8249 IncrementalHoareTripleChecker+Valid, 13627 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.2s IncrementalHoareTripleChecker+Time [2022-11-18 21:07:12,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11128 Valid, 3713 Invalid, 21877 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8249 Valid, 13627 Invalid, 1 Unknown, 0 Unchecked, 44.2s Time] [2022-11-18 21:07:12,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9245 states. [2022-11-18 21:07:14,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9245 to 8839. [2022-11-18 21:07:14,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8839 states, 5762 states have (on average 1.2669212079139187) internal successors, (7300), 5874 states have internal predecessors, (7300), 2494 states have call successors, (2494), 559 states have call predecessors, (2494), 559 states have return successors, (2506), 2465 states have call predecessors, (2506), 2492 states have call successors, (2506) [2022-11-18 21:07:14,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8839 states to 8839 states and 12300 transitions. [2022-11-18 21:07:14,089 INFO L78 Accepts]: Start accepts. Automaton has 8839 states and 12300 transitions. Word has length 95 [2022-11-18 21:07:14,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:07:14,090 INFO L495 AbstractCegarLoop]: Abstraction has 8839 states and 12300 transitions. [2022-11-18 21:07:14,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-18 21:07:14,090 INFO L276 IsEmpty]: Start isEmpty. Operand 8839 states and 12300 transitions. [2022-11-18 21:07:14,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-18 21:07:14,093 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:07:14,093 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 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 21:07:14,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 21:07:14,093 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-18 21:07:14,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:07:14,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1763902102, now seen corresponding path program 1 times [2022-11-18 21:07:14,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:07:14,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067547030] [2022-11-18 21:07:14,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:07:14,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:07:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:07:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 21:07:15,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 21:07:15,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 21:07:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 21:07:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:07:15,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:07:15,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-18 21:07:15,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:15,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:07:15,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 21:07:15,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-18 21:07:15,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-18 21:07:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:15,480 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-18 21:07:15,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:07:15,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067547030] [2022-11-18 21:07:15,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067547030] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:07:15,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:07:15,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 21:07:15,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39511918] [2022-11-18 21:07:15,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:07:15,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:07:15,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:07:15,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:07:15,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:07:15,483 INFO L87 Difference]: Start difference. First operand 8839 states and 12300 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-18 21:07:46,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:07:46,623 INFO L93 Difference]: Finished difference Result 16610 states and 23647 transitions. [2022-11-18 21:07:46,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 21:07:46,624 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 100 [2022-11-18 21:07:46,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:07:46,747 INFO L225 Difference]: With dead ends: 16610 [2022-11-18 21:07:46,748 INFO L226 Difference]: Without dead ends: 16608 [2022-11-18 21:07:46,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-18 21:07:46,762 INFO L413 NwaCegarLoop]: 6120 mSDtfsCounter, 5935 mSDsluCounter, 17075 mSDsCounter, 0 mSdLazyCounter, 10650 mSolverCounterSat, 2405 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6722 SdHoareTripleChecker+Valid, 23195 SdHoareTripleChecker+Invalid, 13055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2405 IncrementalHoareTripleChecker+Valid, 10650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.6s IncrementalHoareTripleChecker+Time [2022-11-18 21:07:46,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6722 Valid, 23195 Invalid, 13055 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2405 Valid, 10650 Invalid, 0 Unknown, 0 Unchecked, 28.6s Time] [2022-11-18 21:07:46,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16608 states. [2022-11-18 21:07:48,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16608 to 16020. [2022-11-18 21:07:48,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16020 states, 10739 states have (on average 1.2786106713846728) internal successors, (13731), 10922 states have internal predecessors, (13731), 4221 states have call successors, (4221), 993 states have call predecessors, (4221), 1036 states have return successors, (4905), 4211 states have call predecessors, (4905), 4219 states have call successors, (4905) [2022-11-18 21:07:48,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16020 states to 16020 states and 22857 transitions. [2022-11-18 21:07:48,584 INFO L78 Accepts]: Start accepts. Automaton has 16020 states and 22857 transitions. Word has length 100 [2022-11-18 21:07:48,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:07:48,585 INFO L495 AbstractCegarLoop]: Abstraction has 16020 states and 22857 transitions. [2022-11-18 21:07:48,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-18 21:07:48,585 INFO L276 IsEmpty]: Start isEmpty. Operand 16020 states and 22857 transitions. [2022-11-18 21:07:48,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-18 21:07:48,586 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:07:48,587 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-11-18 21:07:48,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-18 21:07:48,587 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-18 21:07:48,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:07:48,588 INFO L85 PathProgramCache]: Analyzing trace with hash 2014512832, now seen corresponding path program 1 times [2022-11-18 21:07:48,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:07:48,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660815582] [2022-11-18 21:07:48,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:07:48,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:07:48,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:49,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:07:49,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:49,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 21:07:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:49,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:49,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-18 21:07:49,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:49,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 21:07:49,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:49,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 21:07:49,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:49,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:07:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:49,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 21:07:49,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:49,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 21:07:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:49,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 21:07:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:49,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 21:07:49,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:49,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 21:07:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:49,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 21:07:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:49,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 21:07:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:49,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 21:07:49,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:49,374 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-18 21:07:49,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:07:49,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660815582] [2022-11-18 21:07:49,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660815582] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:07:49,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:07:49,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 21:07:49,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497853333] [2022-11-18 21:07:49,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:07:49,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 21:07:49,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:07:49,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 21:07:49,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 21:07:49,378 INFO L87 Difference]: Start difference. First operand 16020 states and 22857 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-18 21:08:35,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:08:37,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:08:37,029 INFO L93 Difference]: Finished difference Result 16390 states and 23421 transitions. [2022-11-18 21:08:37,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 21:08:37,030 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 101 [2022-11-18 21:08:37,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:08:37,110 INFO L225 Difference]: With dead ends: 16390 [2022-11-18 21:08:37,110 INFO L226 Difference]: Without dead ends: 16388 [2022-11-18 21:08:37,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2022-11-18 21:08:37,116 INFO L413 NwaCegarLoop]: 1111 mSDtfsCounter, 10945 mSDsluCounter, 2603 mSDsCounter, 0 mSdLazyCounter, 13568 mSolverCounterSat, 8252 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11202 SdHoareTripleChecker+Valid, 3714 SdHoareTripleChecker+Invalid, 21821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8252 IncrementalHoareTripleChecker+Valid, 13568 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.8s IncrementalHoareTripleChecker+Time [2022-11-18 21:08:37,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11202 Valid, 3714 Invalid, 21821 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8252 Valid, 13568 Invalid, 1 Unknown, 0 Unchecked, 44.8s Time] [2022-11-18 21:08:37,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16388 states. [2022-11-18 21:08:38,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16388 to 16018. [2022-11-18 21:08:38,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16018 states, 10738 states have (on average 1.2785434904078972) internal successors, (13729), 10920 states have internal predecessors, (13729), 4221 states have call successors, (4221), 993 states have call predecessors, (4221), 1036 states have return successors, (4905), 4211 states have call predecessors, (4905), 4219 states have call successors, (4905) [2022-11-18 21:08:38,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16018 states to 16018 states and 22855 transitions. [2022-11-18 21:08:38,707 INFO L78 Accepts]: Start accepts. Automaton has 16018 states and 22855 transitions. Word has length 101 [2022-11-18 21:08:38,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:08:38,708 INFO L495 AbstractCegarLoop]: Abstraction has 16018 states and 22855 transitions. [2022-11-18 21:08:38,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-18 21:08:38,708 INFO L276 IsEmpty]: Start isEmpty. Operand 16018 states and 22855 transitions. [2022-11-18 21:08:38,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-18 21:08:38,711 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:08:38,711 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 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] [2022-11-18 21:08:38,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 21:08:38,711 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-18 21:08:38,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:08:38,712 INFO L85 PathProgramCache]: Analyzing trace with hash 521963283, now seen corresponding path program 1 times [2022-11-18 21:08:38,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:08:38,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956230299] [2022-11-18 21:08:38,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:08:38,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:08:38,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:39,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:08:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:39,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 21:08:39,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:39,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:08:39,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:39,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 21:08:39,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:39,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 21:08:39,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:39,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 21:08:39,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:39,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:08:39,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:39,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:08:39,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:39,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-18 21:08:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:39,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:08:39,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:39,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:08:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:39,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 21:08:39,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:39,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-18 21:08:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:39,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 21:08:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:08:40,013 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-18 21:08:40,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:08:40,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956230299] [2022-11-18 21:08:40,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956230299] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:08:40,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:08:40,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 21:08:40,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682796054] [2022-11-18 21:08:40,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:08:40,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:08:40,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:08:40,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:08:40,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:08:40,016 INFO L87 Difference]: Start difference. First operand 16018 states and 22855 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-18 21:09:05,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:09:07,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:09:07,730 INFO L93 Difference]: Finished difference Result 17998 states and 25402 transitions. [2022-11-18 21:09:07,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 21:09:07,731 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 105 [2022-11-18 21:09:07,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:09:07,793 INFO L225 Difference]: With dead ends: 17998 [2022-11-18 21:09:07,793 INFO L226 Difference]: Without dead ends: 17996 [2022-11-18 21:09:07,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-18 21:09:07,801 INFO L413 NwaCegarLoop]: 5115 mSDtfsCounter, 5980 mSDsluCounter, 11801 mSDsCounter, 0 mSdLazyCounter, 7617 mSolverCounterSat, 2176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6801 SdHoareTripleChecker+Valid, 16916 SdHoareTripleChecker+Invalid, 9793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2176 IncrementalHoareTripleChecker+Valid, 7617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time [2022-11-18 21:09:07,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6801 Valid, 16916 Invalid, 9793 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2176 Valid, 7617 Invalid, 0 Unknown, 0 Unchecked, 25.0s Time] [2022-11-18 21:09:07,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17996 states. [2022-11-18 21:09:09,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17996 to 17572. [2022-11-18 21:09:09,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17572 states, 11698 states have (on average 1.2676525901863567) internal successors, (14829), 11892 states have internal predecessors, (14829), 4621 states have call successors, (4621), 1187 states have call predecessors, (4621), 1230 states have return successors, (5321), 4603 states have call predecessors, (5321), 4619 states have call successors, (5321) [2022-11-18 21:09:09,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17572 states to 17572 states and 24771 transitions. [2022-11-18 21:09:09,883 INFO L78 Accepts]: Start accepts. Automaton has 17572 states and 24771 transitions. Word has length 105 [2022-11-18 21:09:09,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:09:09,884 INFO L495 AbstractCegarLoop]: Abstraction has 17572 states and 24771 transitions. [2022-11-18 21:09:09,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-18 21:09:09,884 INFO L276 IsEmpty]: Start isEmpty. Operand 17572 states and 24771 transitions. [2022-11-18 21:09:09,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-11-18 21:09:09,887 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:09:09,887 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 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] [2022-11-18 21:09:09,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-18 21:09:09,888 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-18 21:09:09,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:09:09,888 INFO L85 PathProgramCache]: Analyzing trace with hash -540397501, now seen corresponding path program 1 times [2022-11-18 21:09:09,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:09:09,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219468950] [2022-11-18 21:09:09,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:09:09,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:09:09,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:10,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:09:10,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:10,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 21:09:10,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:10,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:09:10,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:10,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 21:09:10,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:10,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 21:09:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:10,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 21:09:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:10,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:09:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:10,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:09:10,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:10,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-18 21:09:10,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:10,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:09:10,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:10,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:09:10,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:10,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 21:09:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:10,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-18 21:09:10,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:10,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-18 21:09:10,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:10,512 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-18 21:09:10,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:09:10,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219468950] [2022-11-18 21:09:10,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219468950] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:09:10,513 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:09:10,513 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 21:09:10,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752408870] [2022-11-18 21:09:10,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:09:10,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 21:09:10,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:09:10,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 21:09:10,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:09:10,515 INFO L87 Difference]: Start difference. First operand 17572 states and 24771 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-11-18 21:09:33,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:09:33,136 INFO L93 Difference]: Finished difference Result 18088 states and 25529 transitions. [2022-11-18 21:09:33,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 21:09:33,137 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 102 [2022-11-18 21:09:33,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:09:33,186 INFO L225 Difference]: With dead ends: 18088 [2022-11-18 21:09:33,186 INFO L226 Difference]: Without dead ends: 18086 [2022-11-18 21:09:33,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 21:09:33,193 INFO L413 NwaCegarLoop]: 4798 mSDtfsCounter, 1203 mSDsluCounter, 10741 mSDsCounter, 0 mSdLazyCounter, 6106 mSolverCounterSat, 1147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1480 SdHoareTripleChecker+Valid, 15539 SdHoareTripleChecker+Invalid, 7253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1147 IncrementalHoareTripleChecker+Valid, 6106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.1s IncrementalHoareTripleChecker+Time [2022-11-18 21:09:33,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1480 Valid, 15539 Invalid, 7253 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1147 Valid, 6106 Invalid, 0 Unknown, 0 Unchecked, 20.1s Time] [2022-11-18 21:09:33,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18086 states. [2022-11-18 21:09:35,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18086 to 17592. [2022-11-18 21:09:35,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17592 states, 11718 states have (on average 1.2671957671957672) internal successors, (14849), 11912 states have internal predecessors, (14849), 4621 states have call successors, (4621), 1187 states have call predecessors, (4621), 1230 states have return successors, (5321), 4603 states have call predecessors, (5321), 4619 states have call successors, (5321) [2022-11-18 21:09:35,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17592 states to 17592 states and 24791 transitions. [2022-11-18 21:09:35,272 INFO L78 Accepts]: Start accepts. Automaton has 17592 states and 24791 transitions. Word has length 102 [2022-11-18 21:09:35,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:09:35,273 INFO L495 AbstractCegarLoop]: Abstraction has 17592 states and 24791 transitions. [2022-11-18 21:09:35,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-11-18 21:09:35,273 INFO L276 IsEmpty]: Start isEmpty. Operand 17592 states and 24791 transitions. [2022-11-18 21:09:35,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-11-18 21:09:35,275 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:09:35,275 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 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] [2022-11-18 21:09:35,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-18 21:09:35,275 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-18 21:09:35,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:09:35,275 INFO L85 PathProgramCache]: Analyzing trace with hash -540457083, now seen corresponding path program 1 times [2022-11-18 21:09:35,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:09:35,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346105560] [2022-11-18 21:09:35,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:09:35,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:09:35,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:35,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:09:35,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:35,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 21:09:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:35,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:09:35,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:35,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 21:09:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:35,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 21:09:35,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:35,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 21:09:35,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:35,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:09:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:35,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:09:35,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:35,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-18 21:09:35,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:35,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:09:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:35,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:09:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:35,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 21:09:35,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:36,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-18 21:09:36,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:36,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-18 21:09:36,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:09:36,045 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-18 21:09:36,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:09:36,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346105560] [2022-11-18 21:09:36,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346105560] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:09:36,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:09:36,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 21:09:36,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356379293] [2022-11-18 21:09:36,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:09:36,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 21:09:36,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:09:36,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 21:09:36,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 21:09:36,048 INFO L87 Difference]: Start difference. First operand 17592 states and 24791 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-18 21:09:56,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:10:05,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:10:05,026 INFO L93 Difference]: Finished difference Result 35512 states and 51058 transitions. [2022-11-18 21:10:05,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 21:10:05,026 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) Word has length 102 [2022-11-18 21:10:05,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:10:05,106 INFO L225 Difference]: With dead ends: 35512 [2022-11-18 21:10:05,107 INFO L226 Difference]: Without dead ends: 17982 [2022-11-18 21:10:05,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-11-18 21:10:05,186 INFO L413 NwaCegarLoop]: 4767 mSDtfsCounter, 5806 mSDsluCounter, 13407 mSDsCounter, 0 mSdLazyCounter, 9482 mSolverCounterSat, 2174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6557 SdHoareTripleChecker+Valid, 18174 SdHoareTripleChecker+Invalid, 11656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2174 IncrementalHoareTripleChecker+Valid, 9482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.9s IncrementalHoareTripleChecker+Time [2022-11-18 21:10:05,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6557 Valid, 18174 Invalid, 11656 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2174 Valid, 9482 Invalid, 0 Unknown, 0 Unchecked, 25.9s Time] [2022-11-18 21:10:05,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17982 states. [2022-11-18 21:10:07,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17982 to 17570. [2022-11-18 21:10:07,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17570 states, 11697 states have (on average 1.265965632213388) internal successors, (14808), 11890 states have internal predecessors, (14808), 4621 states have call successors, (4621), 1187 states have call predecessors, (4621), 1230 states have return successors, (5321), 4603 states have call predecessors, (5321), 4619 states have call successors, (5321) [2022-11-18 21:10:07,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17570 states to 17570 states and 24750 transitions. [2022-11-18 21:10:07,398 INFO L78 Accepts]: Start accepts. Automaton has 17570 states and 24750 transitions. Word has length 102 [2022-11-18 21:10:07,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:10:07,398 INFO L495 AbstractCegarLoop]: Abstraction has 17570 states and 24750 transitions. [2022-11-18 21:10:07,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-18 21:10:07,399 INFO L276 IsEmpty]: Start isEmpty. Operand 17570 states and 24750 transitions. [2022-11-18 21:10:07,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-18 21:10:07,401 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:10:07,402 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-11-18 21:10:07,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-18 21:10:07,403 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-18 21:10:07,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:10:07,404 INFO L85 PathProgramCache]: Analyzing trace with hash -57236363, now seen corresponding path program 1 times [2022-11-18 21:10:07,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:10:07,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757707853] [2022-11-18 21:10:07,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:10:07,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:10:07,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:07,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:10:07,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:07,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 21:10:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:07,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:10:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:07,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-18 21:10:07,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:07,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 21:10:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:07,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 21:10:07,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:07,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:10:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:07,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 21:10:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:07,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 21:10:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:07,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 21:10:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:07,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 21:10:07,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:07,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 21:10:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:07,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 21:10:07,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:07,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 21:10:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:07,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 21:10:07,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:07,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 21:10:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:08,012 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-18 21:10:08,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:10:08,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757707853] [2022-11-18 21:10:08,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757707853] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:10:08,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:10:08,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 21:10:08,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831684301] [2022-11-18 21:10:08,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:10:08,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 21:10:08,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:10:08,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 21:10:08,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 21:10:08,015 INFO L87 Difference]: Start difference. First operand 17570 states and 24750 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-18 21:10:44,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:10:53,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:10:56,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:10:58,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:10:58,515 INFO L93 Difference]: Finished difference Result 17990 states and 25382 transitions. [2022-11-18 21:10:58,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 21:10:58,516 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 107 [2022-11-18 21:10:58,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:10:58,599 INFO L225 Difference]: With dead ends: 17990 [2022-11-18 21:10:58,599 INFO L226 Difference]: Without dead ends: 17988 [2022-11-18 21:10:58,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2022-11-18 21:10:58,609 INFO L413 NwaCegarLoop]: 1112 mSDtfsCounter, 10845 mSDsluCounter, 2603 mSDsCounter, 0 mSdLazyCounter, 13614 mSolverCounterSat, 8252 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11100 SdHoareTripleChecker+Valid, 3715 SdHoareTripleChecker+Invalid, 21867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8252 IncrementalHoareTripleChecker+Valid, 13614 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.1s IncrementalHoareTripleChecker+Time [2022-11-18 21:10:58,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11100 Valid, 3715 Invalid, 21867 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8252 Valid, 13614 Invalid, 1 Unknown, 0 Unchecked, 47.1s Time] [2022-11-18 21:10:58,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17988 states. [2022-11-18 21:11:00,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17988 to 17568. [2022-11-18 21:11:00,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17568 states, 11696 states have (on average 1.2659028727770179) internal successors, (14806), 11888 states have internal predecessors, (14806), 4621 states have call successors, (4621), 1187 states have call predecessors, (4621), 1230 states have return successors, (5321), 4603 states have call predecessors, (5321), 4619 states have call successors, (5321) [2022-11-18 21:11:00,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17568 states to 17568 states and 24748 transitions. [2022-11-18 21:11:00,578 INFO L78 Accepts]: Start accepts. Automaton has 17568 states and 24748 transitions. Word has length 107 [2022-11-18 21:11:00,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:11:00,578 INFO L495 AbstractCegarLoop]: Abstraction has 17568 states and 24748 transitions. [2022-11-18 21:11:00,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-18 21:11:00,578 INFO L276 IsEmpty]: Start isEmpty. Operand 17568 states and 24748 transitions. [2022-11-18 21:11:00,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-18 21:11:00,580 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:11:00,580 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 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 21:11:00,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-18 21:11:00,580 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-18 21:11:00,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:11:00,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1560897015, now seen corresponding path program 1 times [2022-11-18 21:11:00,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:11:00,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938654425] [2022-11-18 21:11:00,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:11:00,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:11:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:00,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:11:00,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:00,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 21:11:00,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:00,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:11:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:00,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 21:11:00,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:01,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 21:11:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:01,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-18 21:11:01,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:01,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 21:11:01,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:01,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 21:11:01,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:01,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-18 21:11:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:01,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:11:01,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:01,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 21:11:01,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:01,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 21:11:01,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:01,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-18 21:11:01,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:01,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-18 21:11:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:01,152 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-18 21:11:01,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:11:01,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938654425] [2022-11-18 21:11:01,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938654425] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:11:01,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:11:01,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 21:11:01,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382922765] [2022-11-18 21:11:01,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:11:01,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 21:11:01,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:11:01,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 21:11:01,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 21:11:01,157 INFO L87 Difference]: Start difference. First operand 17568 states and 24748 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-18 21:11:19,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:11:19,744 INFO L93 Difference]: Finished difference Result 35464 states and 50972 transitions. [2022-11-18 21:11:19,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 21:11:19,745 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 106 [2022-11-18 21:11:19,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:11:19,841 INFO L225 Difference]: With dead ends: 35464 [2022-11-18 21:11:19,842 INFO L226 Difference]: Without dead ends: 17958 [2022-11-18 21:11:19,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:11:19,944 INFO L413 NwaCegarLoop]: 4738 mSDtfsCounter, 5801 mSDsluCounter, 2559 mSDsCounter, 0 mSdLazyCounter, 2274 mSolverCounterSat, 2175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6552 SdHoareTripleChecker+Valid, 7297 SdHoareTripleChecker+Invalid, 4449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2175 IncrementalHoareTripleChecker+Valid, 2274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2022-11-18 21:11:19,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6552 Valid, 7297 Invalid, 4449 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2175 Valid, 2274 Invalid, 0 Unknown, 0 Unchecked, 15.4s Time] [2022-11-18 21:11:19,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17958 states. [2022-11-18 21:11:22,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17958 to 17546. [2022-11-18 21:11:22,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17546 states, 11675 states have (on average 1.2646680942184154) internal successors, (14765), 11866 states have internal predecessors, (14765), 4621 states have call successors, (4621), 1187 states have call predecessors, (4621), 1230 states have return successors, (5321), 4603 states have call predecessors, (5321), 4619 states have call successors, (5321) [2022-11-18 21:11:22,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17546 states to 17546 states and 24707 transitions. [2022-11-18 21:11:22,323 INFO L78 Accepts]: Start accepts. Automaton has 17546 states and 24707 transitions. Word has length 106 [2022-11-18 21:11:22,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:11:22,324 INFO L495 AbstractCegarLoop]: Abstraction has 17546 states and 24707 transitions. [2022-11-18 21:11:22,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-18 21:11:22,324 INFO L276 IsEmpty]: Start isEmpty. Operand 17546 states and 24707 transitions. [2022-11-18 21:11:22,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-18 21:11:22,326 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:11:22,327 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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 21:11:22,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-18 21:11:22,327 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-18 21:11:22,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:11:22,328 INFO L85 PathProgramCache]: Analyzing trace with hash 830721144, now seen corresponding path program 1 times [2022-11-18 21:11:22,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:11:22,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293053322] [2022-11-18 21:11:22,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:11:22,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:11:22,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:22,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:11:22,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:22,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 21:11:22,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:22,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:11:22,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:22,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-18 21:11:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:22,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 21:11:22,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:22,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 21:11:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:22,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:11:22,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:22,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 21:11:22,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:22,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 21:11:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:22,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 21:11:22,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:22,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 21:11:22,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:22,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 21:11:22,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:22,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 21:11:22,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:22,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 21:11:22,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:22,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 21:11:22,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:22,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 21:11:22,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:11:22,981 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-18 21:11:22,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:11:22,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293053322] [2022-11-18 21:11:22,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293053322] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:11:22,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:11:22,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 21:11:22,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634227754] [2022-11-18 21:11:22,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:11:22,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 21:11:22,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:11:22,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 21:11:22,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 21:11:22,984 INFO L87 Difference]: Start difference. First operand 17546 states and 24707 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-18 21:12:11,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:12:13,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:12:15,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 21:12:17,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:12:17,696 INFO L93 Difference]: Finished difference Result 17958 states and 25327 transitions. [2022-11-18 21:12:17,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 21:12:17,696 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 109 [2022-11-18 21:12:17,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 21:12:17,761 INFO L225 Difference]: With dead ends: 17958 [2022-11-18 21:12:17,762 INFO L226 Difference]: Without dead ends: 17956 [2022-11-18 21:12:17,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-18 21:12:17,770 INFO L413 NwaCegarLoop]: 1110 mSDtfsCounter, 10819 mSDsluCounter, 2597 mSDsCounter, 0 mSdLazyCounter, 13608 mSolverCounterSat, 8241 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11074 SdHoareTripleChecker+Valid, 3707 SdHoareTripleChecker+Invalid, 21851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8241 IncrementalHoareTripleChecker+Valid, 13608 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.0s IncrementalHoareTripleChecker+Time [2022-11-18 21:12:17,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11074 Valid, 3707 Invalid, 21851 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8241 Valid, 13608 Invalid, 2 Unknown, 0 Unchecked, 51.0s Time] [2022-11-18 21:12:17,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17956 states. [2022-11-18 21:12:19,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17956 to 17544. [2022-11-18 21:12:19,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17544 states, 11674 states have (on average 1.2646051053623437) internal successors, (14763), 11864 states have internal predecessors, (14763), 4621 states have call successors, (4621), 1187 states have call predecessors, (4621), 1230 states have return successors, (5321), 4603 states have call predecessors, (5321), 4619 states have call successors, (5321) [2022-11-18 21:12:19,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17544 states to 17544 states and 24705 transitions. [2022-11-18 21:12:19,844 INFO L78 Accepts]: Start accepts. Automaton has 17544 states and 24705 transitions. Word has length 109 [2022-11-18 21:12:19,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 21:12:19,845 INFO L495 AbstractCegarLoop]: Abstraction has 17544 states and 24705 transitions. [2022-11-18 21:12:19,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-18 21:12:19,845 INFO L276 IsEmpty]: Start isEmpty. Operand 17544 states and 24705 transitions. [2022-11-18 21:12:19,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-18 21:12:19,847 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:12:19,847 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-11-18 21:12:19,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-18 21:12:19,848 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-18 21:12:19,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:12:19,848 INFO L85 PathProgramCache]: Analyzing trace with hash -555486404, now seen corresponding path program 1 times [2022-11-18 21:12:19,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:12:19,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052276851] [2022-11-18 21:12:19,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:12:19,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:12:19,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:20,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 21:12:20,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:20,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 21:12:20,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:20,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:12:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:20,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-18 21:12:20,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:20,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 21:12:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:20,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 21:12:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:20,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 21:12:20,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:20,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 21:12:20,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:20,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 21:12:20,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:20,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 21:12:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:20,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 21:12:20,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:20,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 21:12:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:20,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 21:12:20,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:20,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 21:12:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:20,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 21:12:20,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:20,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 21:12:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:20,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 21:12:20,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:12:20,676 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-18 21:12:20,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:12:20,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052276851] [2022-11-18 21:12:20,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052276851] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:12:20,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:12:20,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 21:12:20,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435836730] [2022-11-18 21:12:20,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:12:20,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 21:12:20,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:12:20,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 21:12:20,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 21:12:20,680 INFO L87 Difference]: Start difference. First operand 17544 states and 24705 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, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17)