./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/bin/utaipan-Q6hlc19bkW --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b25ac84d4a20a437c31c3bd685865b0db6f54088dab7ab415bb47113c804a34a --- 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-4e7fbc6 [2022-11-23 15:40:16,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:40:16,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:40:16,127 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:40:16,129 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:40:16,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:40:16,132 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:40:16,133 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:40:16,135 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:40:16,136 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:40:16,137 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:40:16,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:40:16,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:40:16,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:40:16,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:40:16,142 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:40:16,143 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:40:16,144 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:40:16,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:40:16,163 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:40:16,167 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:40:16,170 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:40:16,171 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:40:16,172 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:40:16,175 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:40:16,176 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:40:16,176 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:40:16,177 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:40:16,185 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:40:16,188 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:40:16,189 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:40:16,190 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:40:16,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:40:16,193 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:40:16,194 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:40:16,194 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:40:16,195 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:40:16,195 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:40:16,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:40:16,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:40:16,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:40:16,199 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 15:40:16,240 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:40:16,241 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:40:16,241 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:40:16,242 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:40:16,242 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:40:16,243 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:40:16,243 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:40:16,243 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:40:16,243 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:40:16,243 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:40:16,244 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:40:16,245 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:40:16,245 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:40:16,245 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:40:16,245 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:40:16,245 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:40:16,246 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:40:16,246 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:40:16,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:40:16,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:40:16,247 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:40:16,247 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:40:16,247 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:40:16,247 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:40:16,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:40:16,248 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:40:16,248 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:40:16,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:40:16,249 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:40:16,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:40:16,249 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:40:16,250 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:40:16,250 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:40:16,250 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:40:16,250 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:40:16,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:40:16,251 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:40:16,251 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:40:16,251 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_47948c8a-4174-4424-ba3b-f59617eb5eab/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b25ac84d4a20a437c31c3bd685865b0db6f54088dab7ab415bb47113c804a34a [2022-11-23 15:40:16,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:40:16,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:40:16,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:40:16,528 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:40:16,528 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:40:16,530 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i [2022-11-23 15:40:19,613 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:40:20,492 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:40:20,493 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i [2022-11-23 15:40:20,577 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/bin/utaipan-Q6hlc19bkW/data/f417d05a9/8db1abe725184894b30d20bf4dee9453/FLAG92ee7c747 [2022-11-23 15:40:20,721 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/bin/utaipan-Q6hlc19bkW/data/f417d05a9/8db1abe725184894b30d20bf4dee9453 [2022-11-23 15:40:20,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:40:20,728 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:40:20,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:40:20,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:40:20,736 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:40:20,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:20" (1/1) ... [2022-11-23 15:40:20,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3377c4ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:20, skipping insertion in model container [2022-11-23 15:40:20,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:20" (1/1) ... [2022-11-23 15:40:20,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:40:21,101 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:40:28,892 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571462,571475] [2022-11-23 15:40:28,896 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571607,571620] [2022-11-23 15:40:28,896 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571753,571766] [2022-11-23 15:40:28,897 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571918,571931] [2022-11-23 15:40:28,898 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572076,572089] [2022-11-23 15:40:28,898 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572234,572247] [2022-11-23 15:40:28,899 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572392,572405] [2022-11-23 15:40:28,899 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572552,572565] [2022-11-23 15:40:28,900 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572711,572724] [2022-11-23 15:40:28,900 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572850,572863] [2022-11-23 15:40:28,901 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572992,573005] [2022-11-23 15:40:28,901 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573141,573154] [2022-11-23 15:40:28,902 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573280,573293] [2022-11-23 15:40:28,903 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573435,573448] [2022-11-23 15:40:28,903 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573595,573608] [2022-11-23 15:40:28,904 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573746,573759] [2022-11-23 15:40:28,904 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573897,573910] [2022-11-23 15:40:28,905 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574049,574062] [2022-11-23 15:40:28,905 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574198,574211] [2022-11-23 15:40:28,906 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574346,574359] [2022-11-23 15:40:28,906 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574503,574516] [2022-11-23 15:40:28,907 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574652,574665] [2022-11-23 15:40:28,908 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574808,574821] [2022-11-23 15:40:28,908 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574961,574974] [2022-11-23 15:40:28,909 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575107,575120] [2022-11-23 15:40:28,909 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575250,575263] [2022-11-23 15:40:28,910 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575402,575415] [2022-11-23 15:40:28,911 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575548,575561] [2022-11-23 15:40:28,911 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575693,575706] [2022-11-23 15:40:28,912 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575847,575860] [2022-11-23 15:40:28,912 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575998,576011] [2022-11-23 15:40:28,913 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576153,576166] [2022-11-23 15:40:28,913 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576305,576318] [2022-11-23 15:40:28,914 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576460,576473] [2022-11-23 15:40:28,914 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576624,576637] [2022-11-23 15:40:28,915 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576780,576793] [2022-11-23 15:40:28,915 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576944,576957] [2022-11-23 15:40:28,916 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577086,577099] [2022-11-23 15:40:28,916 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577244,577257] [2022-11-23 15:40:28,917 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577411,577424] [2022-11-23 15:40:28,918 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577570,577583] [2022-11-23 15:40:28,918 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577729,577742] [2022-11-23 15:40:28,919 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577878,577891] [2022-11-23 15:40:28,919 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578025,578038] [2022-11-23 15:40:28,920 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578164,578177] [2022-11-23 15:40:28,920 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578327,578340] [2022-11-23 15:40:28,921 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578493,578506] [2022-11-23 15:40:28,921 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578657,578670] [2022-11-23 15:40:28,922 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578822,578835] [2022-11-23 15:40:28,922 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578987,579000] [2022-11-23 15:40:28,923 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579153,579166] [2022-11-23 15:40:28,923 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579318,579331] [2022-11-23 15:40:28,924 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579485,579498] [2022-11-23 15:40:28,924 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579645,579658] [2022-11-23 15:40:28,925 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579807,579820] [2022-11-23 15:40:28,925 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579966,579979] [2022-11-23 15:40:28,926 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580112,580125] [2022-11-23 15:40:28,927 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580255,580268] [2022-11-23 15:40:28,927 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580399,580412] [2022-11-23 15:40:28,928 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580542,580555] [2022-11-23 15:40:28,929 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580686,580699] [2022-11-23 15:40:28,929 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580827,580840] [2022-11-23 15:40:28,930 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580965,580978] [2022-11-23 15:40:28,930 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581123,581136] [2022-11-23 15:40:28,931 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581282,581295] [2022-11-23 15:40:28,932 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581438,581451] [2022-11-23 15:40:28,932 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581587,581600] [2022-11-23 15:40:28,933 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581739,581752] [2022-11-23 15:40:28,933 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581890,581903] [2022-11-23 15:40:28,934 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582039,582052] [2022-11-23 15:40:28,935 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582191,582204] [2022-11-23 15:40:28,935 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582339,582352] [2022-11-23 15:40:28,936 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582492,582505] [2022-11-23 15:40:28,936 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582643,582656] [2022-11-23 15:40:28,937 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582793,582806] [2022-11-23 15:40:28,938 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582940,582953] [2022-11-23 15:40:28,938 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583091,583104] [2022-11-23 15:40:28,939 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583242,583255] [2022-11-23 15:40:28,940 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583390,583403] [2022-11-23 15:40:28,940 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583556,583569] [2022-11-23 15:40:28,941 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583725,583738] [2022-11-23 15:40:28,941 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583892,583905] [2022-11-23 15:40:28,942 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584060,584073] [2022-11-23 15:40:28,942 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584210,584223] [2022-11-23 15:40:28,943 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584357,584370] [2022-11-23 15:40:28,944 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584518,584531] [2022-11-23 15:40:28,944 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584688,584701] [2022-11-23 15:40:28,945 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584850,584863] [2022-11-23 15:40:28,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:40:29,007 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:40:29,777 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571462,571475] [2022-11-23 15:40:29,783 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571607,571620] [2022-11-23 15:40:29,784 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571753,571766] [2022-11-23 15:40:29,785 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571918,571931] [2022-11-23 15:40:29,786 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572076,572089] [2022-11-23 15:40:29,786 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572234,572247] [2022-11-23 15:40:29,787 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572392,572405] [2022-11-23 15:40:29,787 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572552,572565] [2022-11-23 15:40:29,788 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572711,572724] [2022-11-23 15:40:29,788 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572850,572863] [2022-11-23 15:40:29,789 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572992,573005] [2022-11-23 15:40:29,789 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573141,573154] [2022-11-23 15:40:29,789 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573280,573293] [2022-11-23 15:40:29,790 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573435,573448] [2022-11-23 15:40:29,791 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573595,573608] [2022-11-23 15:40:29,791 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573746,573759] [2022-11-23 15:40:29,791 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573897,573910] [2022-11-23 15:40:29,792 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574049,574062] [2022-11-23 15:40:29,792 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574198,574211] [2022-11-23 15:40:29,793 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574346,574359] [2022-11-23 15:40:29,794 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574503,574516] [2022-11-23 15:40:29,794 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574652,574665] [2022-11-23 15:40:29,794 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574808,574821] [2022-11-23 15:40:29,796 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574961,574974] [2022-11-23 15:40:29,796 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575107,575120] [2022-11-23 15:40:29,798 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575250,575263] [2022-11-23 15:40:29,798 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575402,575415] [2022-11-23 15:40:29,799 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575548,575561] [2022-11-23 15:40:29,800 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575693,575706] [2022-11-23 15:40:29,800 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575847,575860] [2022-11-23 15:40:29,801 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575998,576011] [2022-11-23 15:40:29,801 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576153,576166] [2022-11-23 15:40:29,802 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576305,576318] [2022-11-23 15:40:29,803 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576460,576473] [2022-11-23 15:40:29,803 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576624,576637] [2022-11-23 15:40:29,803 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576780,576793] [2022-11-23 15:40:29,804 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576944,576957] [2022-11-23 15:40:29,805 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577086,577099] [2022-11-23 15:40:29,805 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577244,577257] [2022-11-23 15:40:29,806 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577411,577424] [2022-11-23 15:40:29,807 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577570,577583] [2022-11-23 15:40:29,807 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577729,577742] [2022-11-23 15:40:29,809 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577878,577891] [2022-11-23 15:40:29,810 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578025,578038] [2022-11-23 15:40:29,810 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578164,578177] [2022-11-23 15:40:29,810 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578327,578340] [2022-11-23 15:40:29,811 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578493,578506] [2022-11-23 15:40:29,811 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578657,578670] [2022-11-23 15:40:29,812 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578822,578835] [2022-11-23 15:40:29,812 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578987,579000] [2022-11-23 15:40:29,812 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579153,579166] [2022-11-23 15:40:29,813 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579318,579331] [2022-11-23 15:40:29,813 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579485,579498] [2022-11-23 15:40:29,815 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579645,579658] [2022-11-23 15:40:29,816 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579807,579820] [2022-11-23 15:40:29,817 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579966,579979] [2022-11-23 15:40:29,822 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580112,580125] [2022-11-23 15:40:29,822 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580255,580268] [2022-11-23 15:40:29,823 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580399,580412] [2022-11-23 15:40:29,824 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580542,580555] [2022-11-23 15:40:29,824 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580686,580699] [2022-11-23 15:40:29,826 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580827,580840] [2022-11-23 15:40:29,827 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580965,580978] [2022-11-23 15:40:29,827 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581123,581136] [2022-11-23 15:40:29,828 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581282,581295] [2022-11-23 15:40:29,836 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581438,581451] [2022-11-23 15:40:29,839 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581587,581600] [2022-11-23 15:40:29,839 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581739,581752] [2022-11-23 15:40:29,840 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581890,581903] [2022-11-23 15:40:29,840 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582039,582052] [2022-11-23 15:40:29,841 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582191,582204] [2022-11-23 15:40:29,841 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582339,582352] [2022-11-23 15:40:29,841 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582492,582505] [2022-11-23 15:40:29,843 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582643,582656] [2022-11-23 15:40:29,843 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582793,582806] [2022-11-23 15:40:29,843 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582940,582953] [2022-11-23 15:40:29,844 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583091,583104] [2022-11-23 15:40:29,844 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583242,583255] [2022-11-23 15:40:29,846 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583390,583403] [2022-11-23 15:40:29,846 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583556,583569] [2022-11-23 15:40:29,847 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583725,583738] [2022-11-23 15:40:29,847 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583892,583905] [2022-11-23 15:40:29,848 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584060,584073] [2022-11-23 15:40:29,849 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584210,584223] [2022-11-23 15:40:29,849 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584357,584370] [2022-11-23 15:40:29,849 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584518,584531] [2022-11-23 15:40:29,850 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584688,584701] [2022-11-23 15:40:29,850 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584850,584863] [2022-11-23 15:40:29,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:40:30,169 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:40:30,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:30 WrapperNode [2022-11-23 15:40:30,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:40:30,170 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:40:30,171 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:40:30,171 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:40:30,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:30" (1/1) ... [2022-11-23 15:40:30,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:30" (1/1) ... [2022-11-23 15:40:31,935 INFO L138 Inliner]: procedures = 984, calls = 4896, calls flagged for inlining = 497, calls inlined = 414, statements flattened = 12870 [2022-11-23 15:40:31,936 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:40:31,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:40:31,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:40:31,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:40:31,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:30" (1/1) ... [2022-11-23 15:40:31,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:30" (1/1) ... [2022-11-23 15:40:32,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:30" (1/1) ... [2022-11-23 15:40:32,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:30" (1/1) ... [2022-11-23 15:40:33,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:30" (1/1) ... [2022-11-23 15:40:33,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:30" (1/1) ... [2022-11-23 15:40:33,489 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:30" (1/1) ... [2022-11-23 15:40:33,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:30" (1/1) ... [2022-11-23 15:40:33,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:40:33,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:40:33,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:40:33,805 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:40:33,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:30" (1/1) ... [2022-11-23 15:40:33,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:40:33,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:40:33,844 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:40:33,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47948c8a-4174-4424-ba3b-f59617eb5eab/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:40:33,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_127 [2022-11-23 15:40:33,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_127 [2022-11-23 15:40:33,892 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-23 15:40:33,892 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_unmap [2022-11-23 15:40:33,892 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_unmap [2022-11-23 15:40:33,893 INFO L130 BoogieDeclarations]: Found specification of procedure queue_kthread_work [2022-11-23 15:40:33,893 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_kthread_work [2022-11-23 15:40:33,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_queue_lock_of_request_queue [2022-11-23 15:40:33,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_queue_lock_of_request_queue [2022-11-23 15:40:33,893 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_fill_inf_exc_page [2022-11-23 15:40:33,895 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_fill_inf_exc_page [2022-11-23 15:40:33,895 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_delete_cq [2022-11-23 15:40:33,895 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_delete_cq [2022-11-23 15:40:33,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-23 15:40:33,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-23 15:40:33,896 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2022-11-23 15:40:33,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2022-11-23 15:40:33,896 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_setup_prps [2022-11-23 15:40:33,896 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_setup_prps [2022-11-23 15:40:33,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-23 15:40:33,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-23 15:40:33,897 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-23 15:40:33,897 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-23 15:40:33,897 INFO L130 BoogieDeclarations]: Found specification of procedure queue_flag_set_unlocked [2022-11-23 15:40:33,897 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_flag_set_unlocked [2022-11-23 15:40:33,897 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_suspend [2022-11-23 15:40:33,897 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_suspend [2022-11-23 15:40:33,898 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_copy_to_user [2022-11-23 15:40:33,898 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_copy_to_user [2022-11-23 15:40:33,898 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_release_instance [2022-11-23 15:40:33,898 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_release_instance [2022-11-23 15:40:33,898 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-23 15:40:33,898 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-23 15:40:33,898 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2022-11-23 15:40:33,899 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2022-11-23 15:40:33,899 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_submit_cmd [2022-11-23 15:40:33,899 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_submit_cmd [2022-11-23 15:40:33,899 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_resume [2022-11-23 15:40:33,899 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_resume [2022-11-23 15:40:33,899 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_start [2022-11-23 15:40:33,899 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_start [2022-11-23 15:40:33,900 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-23 15:40:33,900 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-23 15:40:33,900 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2022-11-23 15:40:33,900 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2022-11-23 15:40:33,900 INFO L130 BoogieDeclarations]: Found specification of procedure blk_integrity_unregister [2022-11-23 15:40:33,900 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_integrity_unregister [2022-11-23 15:40:33,900 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-23 15:40:33,901 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-23 15:40:33,901 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dif_remap [2022-11-23 15:40:33,901 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dif_remap [2022-11-23 15:40:33,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-23 15:40:33,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-23 15:40:33,901 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_identify [2022-11-23 15:40:33,901 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_identify [2022-11-23 15:40:33,902 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-23 15:40:33,902 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-23 15:40:33,902 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_ioctl [2022-11-23 15:40:33,902 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_ioctl [2022-11-23 15:40:33,902 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-23 15:40:33,903 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-23 15:40:33,903 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2022-11-23 15:40:33,903 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2022-11-23 15:40:33,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_106 [2022-11-23 15:40:33,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_106 [2022-11-23 15:40:33,908 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2022-11-23 15:40:33,908 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2022-11-23 15:40:33,908 INFO L130 BoogieDeclarations]: Found specification of procedure db_bar_size [2022-11-23 15:40:33,908 INFO L138 BoogieDeclarations]: Found implementation of procedure db_bar_size [2022-11-23 15:40:33,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-23 15:40:33,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-23 15:40:33,909 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_process_cq [2022-11-23 15:40:33,909 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_process_cq [2022-11-23 15:40:33,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-23 15:40:33,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-23 15:40:33,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:40:33,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-23 15:40:33,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-23 15:40:33,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-23 15:40:33,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-23 15:40:33,912 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_free_queues [2022-11-23 15:40:33,912 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_free_queues [2022-11-23 15:40:33,912 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2022-11-23 15:40:33,912 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2022-11-23 15:40:33,912 INFO L130 BoogieDeclarations]: Found specification of procedure queue_request_irq [2022-11-23 15:40:33,913 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_request_irq [2022-11-23 15:40:33,914 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_alloc_tag_set [2022-11-23 15:40:33,914 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_alloc_tag_set [2022-11-23 15:40:33,914 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-23 15:40:33,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-23 15:40:33,914 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-23 15:40:33,914 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-23 15:40:33,914 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-11-23 15:40:33,915 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-11-23 15:40:33,915 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc_node [2022-11-23 15:40:33,915 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc_node [2022-11-23 15:40:33,915 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-11-23 15:40:33,915 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-11-23 15:40:33,915 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_init_queue [2022-11-23 15:40:33,915 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_init_queue [2022-11-23 15:40:33,916 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2022-11-23 15:40:33,916 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2022-11-23 15:40:33,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-23 15:40:33,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-23 15:40:33,916 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get_unless_zero [2022-11-23 15:40:33,916 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get_unless_zero [2022-11-23 15:40:33,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2022-11-23 15:40:33,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2022-11-23 15:40:33,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 15:40:33,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-23 15:40:33,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-11-23 15:40:33,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-23 15:40:33,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-23 15:40:33,918 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-23 15:40:33,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-23 15:40:33,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:40:33,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-23 15:40:33,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-23 15:40:33,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 15:40:33,919 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2022-11-23 15:40:33,919 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2022-11-23 15:40:33,920 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-23 15:40:33,920 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_del_queue_end [2022-11-23 15:40:33,920 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_del_queue_end [2022-11-23 15:40:33,920 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-23 15:40:33,920 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-23 15:40:33,920 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_fill_control_page [2022-11-23 15:40:33,920 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_fill_control_page [2022-11-23 15:40:33,921 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_bytes [2022-11-23 15:40:33,921 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_bytes [2022-11-23 15:40:33,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_threaded_irq [2022-11-23 15:40:33,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_threaded_irq [2022-11-23 15:40:33,921 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2022-11-23 15:40:33,921 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2022-11-23 15:40:33,921 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_list_remove [2022-11-23 15:40:33,921 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_list_remove [2022-11-23 15:40:33,922 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-23 15:40:33,922 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-23 15:40:33,922 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_unmap_user_pages [2022-11-23 15:40:33,922 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_unmap_user_pages [2022-11-23 15:40:33,922 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_clear_queue [2022-11-23 15:40:33,922 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_clear_queue [2022-11-23 15:40:33,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:40:33,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:40:33,923 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_cmd_size [2022-11-23 15:40:33,923 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_cmd_size [2022-11-23 15:40:33,923 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-23 15:40:33,923 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-23 15:40:33,923 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_wait_ready [2022-11-23 15:40:33,923 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_wait_ready [2022-11-23 15:40:33,923 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_revalidate_disk [2022-11-23 15:40:33,923 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_revalidate_disk [2022-11-23 15:40:33,924 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-23 15:40:33,924 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-23 15:40:33,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 15:40:33,924 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_set_info [2022-11-23 15:40:33,924 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_set_info [2022-11-23 15:40:33,924 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-23 15:40:33,924 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-23 15:40:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_set_irq_hints [2022-11-23 15:40:33,925 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_set_irq_hints [2022-11-23 15:40:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-11-23 15:40:33,925 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-11-23 15:40:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_sg_attrs [2022-11-23 15:40:33,926 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_sg_attrs [2022-11-23 15:40:33,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-23 15:40:33,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-23 15:40:33,926 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-23 15:40:33,926 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-23 15:40:33,926 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_freeze_queue_start [2022-11-23 15:40:33,926 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_freeze_queue_start [2022-11-23 15:40:33,927 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_init_queue [2022-11-23 15:40:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_init_queue [2022-11-23 15:40:33,927 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_io [2022-11-23 15:40:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_io [2022-11-23 15:40:33,927 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2022-11-23 15:40:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2022-11-23 15:40:33,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 15:40:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 15:40:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-23 15:40:33,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-23 15:40:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-23 15:40:33,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-23 15:40:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_dev_list_lock [2022-11-23 15:40:33,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_dev_list_lock [2022-11-23 15:40:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-23 15:40:33,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-23 15:40:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-23 15:40:33,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-23 15:40:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-23 15:40:33,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-23 15:40:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_node [2022-11-23 15:40:33,929 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_node [2022-11-23 15:40:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:40:33,930 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-23 15:40:33,930 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-23 15:40:33,930 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_remove [2022-11-23 15:40:33,930 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_remove [2022-11-23 15:40:33,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-23 15:40:33,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-23 15:40:33,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_base_class__double_registration [2022-11-23 15:40:33,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_base_class__double_registration [2022-11-23 15:40:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_rq_to_pdu [2022-11-23 15:40:33,931 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_rq_to_pdu [2022-11-23 15:40:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2022-11-23 15:40:33,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2022-11-23 15:40:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 15:40:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-23 15:40:33,931 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-23 15:40:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_destroy_class [2022-11-23 15:40:33,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_destroy_class [2022-11-23 15:40:33,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_dev_list_lock [2022-11-23 15:40:33,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_dev_list_lock [2022-11-23 15:40:33,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_q_lock_of_nvme_queue [2022-11-23 15:40:33,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_q_lock_of_nvme_queue [2022-11-23 15:40:33,932 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-23 15:40:33,932 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-23 15:40:33,932 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_request [2022-11-23 15:40:33,933 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_request [2022-11-23 15:40:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_submit_admin_cmd [2022-11-23 15:40:33,933 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_submit_admin_cmd [2022-11-23 15:40:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-23 15:40:33,933 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-23 15:40:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-23 15:40:33,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-23 15:40:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-23 15:40:33,934 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-23 15:40:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_copy_from_user [2022-11-23 15:40:33,934 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_copy_from_user [2022-11-23 15:40:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-23 15:40:33,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-23 15:40:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-23 15:40:33,934 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-23 15:40:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-23 15:40:33,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-23 15:40:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-23 15:40:33,935 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-23 15:40:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:40:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_kick_requeue_list [2022-11-23 15:40:33,935 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_kick_requeue_list [2022-11-23 15:40:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 15:40:33,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 15:40:33,936 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_affinity_hint [2022-11-23 15:40:33,936 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_affinity_hint [2022-11-23 15:40:33,936 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_worker_fn [2022-11-23 15:40:33,936 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2022-11-23 15:40:33,936 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2022-11-23 15:40:33,936 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_disable_queue [2022-11-23 15:40:33,937 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_disable_queue [2022-11-23 15:40:33,937 INFO L130 BoogieDeclarations]: Found specification of procedure iod_list [2022-11-23 15:40:33,937 INFO L138 BoogieDeclarations]: Found implementation of procedure iod_list [2022-11-23 15:40:33,937 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_shutdown [2022-11-23 15:40:33,937 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_shutdown [2022-11-23 15:40:33,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_126 [2022-11-23 15:40:33,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_126 [2022-11-23 15:40:33,937 INFO L130 BoogieDeclarations]: Found specification of procedure __nvme_alloc_iod [2022-11-23 15:40:33,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __nvme_alloc_iod [2022-11-23 15:40:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_q_lock_of_nvme_queue [2022-11-23 15:40:33,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_q_lock_of_nvme_queue [2022-11-23 15:40:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-23 15:40:33,938 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-23 15:40:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_hctx_request [2022-11-23 15:40:33,938 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_hctx_request [2022-11-23 15:40:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_status_code [2022-11-23 15:40:33,939 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_status_code [2022-11-23 15:40:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2022-11-23 15:40:33,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2022-11-23 15:40:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_free_iod [2022-11-23 15:40:33,939 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_free_iod [2022-11-23 15:40:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-11-23 15:40:33,939 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-11-23 15:40:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2022-11-23 15:40:33,940 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2022-11-23 15:40:33,940 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-23 15:40:33,940 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-23 15:40:33,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2022-11-23 15:40:33,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2022-11-23 15:40:33,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-23 15:40:33,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-23 15:40:33,940 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-11-23 15:40:33,941 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-11-23 15:40:33,941 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-23 15:40:33,941 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-23 15:40:33,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-23 15:40:33,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-23 15:40:33,941 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_complete_request [2022-11-23 15:40:33,941 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_complete_request [2022-11-23 15:40:33,941 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-23 15:40:33,942 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-23 15:40:33,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 15:40:33,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 15:40:33,942 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-23 15:40:33,942 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-23 15:40:33,942 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_fill_caching_page [2022-11-23 15:40:33,942 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_fill_caching_page [2022-11-23 15:40:33,943 INFO L130 BoogieDeclarations]: Found specification of procedure __nvme_submit_cmd [2022-11-23 15:40:33,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __nvme_submit_cmd [2022-11-23 15:40:33,943 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_sg_attrs [2022-11-23 15:40:33,943 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_sg_attrs [2022-11-23 15:40:33,943 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_get_features [2022-11-23 15:40:33,943 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_get_features [2022-11-23 15:40:33,943 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_unfreeze_queue [2022-11-23 15:40:33,943 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_unfreeze_queue [2022-11-23 15:40:33,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-23 15:40:33,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-23 15:40:33,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-23 15:40:33,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-23 15:40:33,944 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_read_capacity [2022-11-23 15:40:33,944 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_read_capacity [2022-11-23 15:40:33,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-23 15:40:33,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-23 15:40:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_logical_block_size [2022-11-23 15:40:33,945 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_logical_block_size [2022-11-23 15:40:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-23 15:40:33,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-23 15:40:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-23 15:40:33,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-23 15:40:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2022-11-23 15:40:33,945 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2022-11-23 15:40:33,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:40:33,946 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-23 15:40:33,946 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-23 15:40:33,946 INFO L130 BoogieDeclarations]: Found specification of procedure iod_get_private [2022-11-23 15:40:33,946 INFO L138 BoogieDeclarations]: Found implementation of procedure iod_get_private [2022-11-23 15:40:33,946 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_remove_admin [2022-11-23 15:40:33,946 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_remove_admin [2022-11-23 15:40:33,946 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_delete_queue [2022-11-23 15:40:33,947 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_delete_queue [2022-11-23 15:40:33,947 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-23 15:40:33,947 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-23 15:40:33,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 15:40:33,947 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_tag_set [2022-11-23 15:40:33,947 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_tag_set [2022-11-23 15:40:33,947 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-23 15:40:33,947 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-23 15:40:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 15:40:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_blk_cleanup_queue [2022-11-23 15:40:33,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_blk_cleanup_queue [2022-11-23 15:40:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure __nvme_submit_admin_cmd [2022-11-23 15:40:33,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __nvme_submit_admin_cmd [2022-11-23 15:40:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-23 15:40:33,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-23 15:40:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_fill_pow_cnd_page [2022-11-23 15:40:33,949 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_fill_pow_cnd_page [2022-11-23 15:40:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_disable_ctrl [2022-11-23 15:40:33,949 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_disable_ctrl [2022-11-23 15:40:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_empty [2022-11-23 15:40:33,949 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_empty [2022-11-23 15:40:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-23 15:40:33,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-23 15:40:33,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 15:40:33,950 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 15:40:33,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-23 15:40:33,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-23 15:40:33,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-23 15:40:33,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-23 15:40:33,950 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_resume [2022-11-23 15:40:33,950 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_resume [2022-11-23 15:40:33,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-23 15:40:33,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-23 15:40:33,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2022-11-23 15:40:33,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2022-11-23 15:40:33,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_2 [2022-11-23 15:40:33,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_2 [2022-11-23 15:40:33,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-23 15:40:33,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-23 15:40:33,952 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_reset_failed_dev [2022-11-23 15:40:33,952 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_reset_failed_dev [2022-11-23 15:40:33,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_queue_lock_of_request_queue [2022-11-23 15:40:33,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_queue_lock_of_request_queue [2022-11-23 15:40:33,952 INFO L130 BoogieDeclarations]: Found specification of procedure blk_integrity_rq [2022-11-23 15:40:33,952 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_integrity_rq [2022-11-23 15:40:33,952 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-11-23 15:40:33,953 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-11-23 15:40:33,953 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 15:40:33,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 15:40:33,953 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-23 15:40:33,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-23 15:40:33,953 INFO L130 BoogieDeclarations]: Found specification of procedure fatal_signal_pending [2022-11-23 15:40:33,953 INFO L138 BoogieDeclarations]: Found implementation of procedure fatal_signal_pending [2022-11-23 15:40:33,953 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_alloc_queue [2022-11-23 15:40:33,954 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_alloc_queue [2022-11-23 15:40:33,954 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-23 15:40:33,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-23 15:40:33,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-23 15:40:33,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-23 15:40:33,954 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_submit_io_cmd [2022-11-23 15:40:33,954 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_submit_io_cmd [2022-11-23 15:40:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-23 15:40:33,955 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-23 15:40:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-23 15:40:33,955 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-23 15:40:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2022-11-23 15:40:33,955 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2022-11-23 15:40:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-23 15:40:33,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-23 15:40:33,956 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-11-23 15:40:33,956 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-11-23 15:40:33,956 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-11-23 15:40:33,956 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_alloc_request [2022-11-23 15:40:33,956 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_alloc_request [2022-11-23 15:40:33,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 15:40:33,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 15:40:33,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 15:40:33,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-23 15:40:33,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-23 15:40:33,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_destroy_class [2022-11-23 15:40:33,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_destroy_class [2022-11-23 15:40:33,957 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_delete_sq [2022-11-23 15:40:33,957 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_delete_sq [2022-11-23 15:40:33,957 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-23 15:40:33,957 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-23 15:40:33,958 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2022-11-23 15:40:33,958 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2022-11-23 15:40:33,958 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-11-23 15:40:33,958 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-11-23 15:40:33,958 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2022-11-23 15:40:33,958 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2022-11-23 15:40:33,958 INFO L130 BoogieDeclarations]: Found specification of procedure __le64_to_cpup [2022-11-23 15:40:33,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __le64_to_cpup [2022-11-23 15:40:33,959 INFO L130 BoogieDeclarations]: Found specification of procedure work_busy [2022-11-23 15:40:33,959 INFO L138 BoogieDeclarations]: Found implementation of procedure work_busy [2022-11-23 15:40:33,959 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_async_del_queue [2022-11-23 15:40:33,959 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_async_del_queue [2022-11-23 15:40:33,959 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-11-23 15:40:33,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-11-23 15:40:33,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 15:40:33,959 INFO L130 BoogieDeclarations]: Found specification of procedure __unregister_chrdev [2022-11-23 15:40:33,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __unregister_chrdev [2022-11-23 15:40:33,960 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-23 15:40:33,960 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-23 15:40:33,960 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-23 15:40:33,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-23 15:40:33,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-23 15:40:33,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-23 15:40:33,961 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_user_cmd [2022-11-23 15:40:33,961 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_user_cmd [2022-11-23 15:40:33,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-23 15:40:33,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-23 15:40:33,961 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_block_nr [2022-11-23 15:40:33,961 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_block_nr [2022-11-23 15:40:33,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-23 15:40:33,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-23 15:40:33,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-23 15:40:33,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-23 15:40:33,962 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_reset_workfn [2022-11-23 15:40:33,962 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_reset_workfn [2022-11-23 15:40:33,962 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2022-11-23 15:40:33,962 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2022-11-23 15:40:33,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_105 [2022-11-23 15:40:33,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_105 [2022-11-23 15:40:33,963 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-23 15:40:33,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-23 15:40:33,963 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_submit_sync_cmd [2022-11-23 15:40:33,963 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_submit_sync_cmd [2022-11-23 15:40:33,963 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_shutdown [2022-11-23 15:40:33,963 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_shutdown [2022-11-23 15:40:33,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-23 15:40:33,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-23 15:40:33,964 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_npages [2022-11-23 15:40:33,964 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_npages [2022-11-23 15:40:33,964 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 15:40:33,964 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 15:40:33,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-23 15:40:33,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-23 15:40:33,964 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_map_user_pages [2022-11-23 15:40:33,965 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_map_user_pages [2022-11-23 15:40:33,965 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_remove [2022-11-23 15:40:33,965 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_remove [2022-11-23 15:40:33,965 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-23 15:40:33,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-23 15:40:33,965 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_ioctl [2022-11-23 15:40:33,965 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_ioctl [2022-11-23 15:40:33,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-23 15:40:33,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-23 15:40:33,966 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_release_prp_pools [2022-11-23 15:40:33,966 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_release_prp_pools [2022-11-23 15:40:33,966 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_mode_page_create [2022-11-23 15:40:33,966 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_mode_page_create [2022-11-23 15:40:33,966 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-23 15:40:33,966 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-23 15:40:33,967 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-23 15:40:33,967 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-23 15:40:33,967 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_send_fw_cmd [2022-11-23 15:40:33,967 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_send_fw_cmd [2022-11-23 15:40:33,967 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2022-11-23 15:40:33,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2022-11-23 15:40:33,967 INFO L130 BoogieDeclarations]: Found specification of procedure iod_init [2022-11-23 15:40:33,967 INFO L138 BoogieDeclarations]: Found implementation of procedure iod_init [2022-11-23 15:40:33,968 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_reset [2022-11-23 15:40:33,968 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_reset [2022-11-23 15:40:33,968 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2022-11-23 15:40:33,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2022-11-23 15:40:33,968 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-11-23 15:40:33,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-11-23 15:40:33,968 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-23 15:40:33,968 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-23 15:40:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure queue_logical_block_size [2022-11-23 15:40:33,969 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_logical_block_size [2022-11-23 15:40:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_suspend_queue [2022-11-23 15:40:33,969 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_suspend_queue [2022-11-23 15:40:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-23 15:40:33,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-23 15:40:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-23 15:40:33,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-23 15:40:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_completion [2022-11-23 15:40:33,970 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_completion [2022-11-23 15:40:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-23 15:40:33,970 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-23 15:40:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_set_features [2022-11-23 15:40:33,970 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_set_features [2022-11-23 15:40:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-23 15:40:33,971 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-23 15:40:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:40:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure readq [2022-11-23 15:40:33,971 INFO L138 BoogieDeclarations]: Found implementation of procedure readq [2022-11-23 15:40:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2022-11-23 15:40:33,971 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2022-11-23 15:40:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-23 15:40:35,720 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:40:35,727 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:40:51,832 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 15:41:21,212 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:41:25,462 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:41:25,464 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-11-23 15:41:25,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:41:25 BoogieIcfgContainer [2022-11-23 15:41:25,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:41:25,478 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:41:25,478 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:41:25,481 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:41:25,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:40:20" (1/3) ... [2022-11-23 15:41:25,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20a6de6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:41:25, skipping insertion in model container [2022-11-23 15:41:25,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:30" (2/3) ... [2022-11-23 15:41:25,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20a6de6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:41:25, skipping insertion in model container [2022-11-23 15:41:25,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:41:25" (3/3) ... [2022-11-23 15:41:25,486 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--block--nvme.ko.cil.i [2022-11-23 15:41:25,507 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:41:25,508 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2022-11-23 15:41:25,645 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:41:25,656 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=FINITE_AUTOMATA, 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;@12e52379, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:41:25,656 INFO L358 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2022-11-23 15:41:25,673 INFO L276 IsEmpty]: Start isEmpty. Operand has 3386 states, 2032 states have (on average 1.3169291338582678) internal successors, (2676), 2139 states have internal predecessors, (2676), 1074 states have call successors, (1074), 249 states have call predecessors, (1074), 248 states have return successors, (1066), 1057 states have call predecessors, (1066), 1066 states have call successors, (1066) [2022-11-23 15:41:25,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-23 15:41:25,686 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:41:25,687 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-23 15:41:25,687 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:41:25,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:41:25,695 INFO L85 PathProgramCache]: Analyzing trace with hash 245292094, now seen corresponding path program 1 times [2022-11-23 15:41:25,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:41:25,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646017444] [2022-11-23 15:41:25,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:41:25,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:41:26,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:41:26,622 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 15:41:26,622 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:41:26,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646017444] [2022-11-23 15:41:26,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646017444] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:41:26,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:41:26,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:41:26,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209414105] [2022-11-23 15:41:26,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:41:26,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:41:26,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:41:26,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:41:26,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:41:26,675 INFO L87 Difference]: Start difference. First operand has 3386 states, 2032 states have (on average 1.3169291338582678) internal successors, (2676), 2139 states have internal predecessors, (2676), 1074 states have call successors, (1074), 249 states have call predecessors, (1074), 248 states have return successors, (1066), 1057 states have call predecessors, (1066), 1066 states have call successors, (1066) Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-23 15:41:29,987 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 [] [2022-11-23 15:41:32,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:41:34,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:41:43,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:41:47,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:41:47,832 INFO L93 Difference]: Finished difference Result 9906 states and 14710 transitions. [2022-11-23 15:41:47,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:41:47,835 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 38 [2022-11-23 15:41:47,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:41:47,891 INFO L225 Difference]: With dead ends: 9906 [2022-11-23 15:41:47,891 INFO L226 Difference]: Without dead ends: 6519 [2022-11-23 15:41:47,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:41:47,926 INFO L413 NwaCegarLoop]: 5361 mSDtfsCounter, 4489 mSDsluCounter, 9534 mSDsCounter, 0 mSdLazyCounter, 1762 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4495 SdHoareTripleChecker+Valid, 14895 SdHoareTripleChecker+Invalid, 1767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1762 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:41:47,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4495 Valid, 14895 Invalid, 1767 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1762 Invalid, 4 Unknown, 0 Unchecked, 20.4s Time] [2022-11-23 15:41:47,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6519 states. [2022-11-23 15:41:48,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6519 to 6329. [2022-11-23 15:41:48,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6329 states, 3809 states have (on average 1.294040430559202) internal successors, (4929), 3984 states have internal predecessors, (4929), 2010 states have call successors, (2010), 476 states have call predecessors, (2010), 474 states have return successors, (2067), 1986 states have call predecessors, (2067), 2008 states have call successors, (2067) [2022-11-23 15:41:48,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6329 states to 6329 states and 9006 transitions. [2022-11-23 15:41:48,369 INFO L78 Accepts]: Start accepts. Automaton has 6329 states and 9006 transitions. Word has length 38 [2022-11-23 15:41:48,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:41:48,370 INFO L495 AbstractCegarLoop]: Abstraction has 6329 states and 9006 transitions. [2022-11-23 15:41:48,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-23 15:41:48,371 INFO L276 IsEmpty]: Start isEmpty. Operand 6329 states and 9006 transitions. [2022-11-23 15:41:48,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-23 15:41:48,380 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:41:48,380 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-23 15:41:48,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:41:48,382 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:41:48,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:41:48,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1876747648, now seen corresponding path program 1 times [2022-11-23 15:41:48,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:41:48,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355919610] [2022-11-23 15:41:48,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:41:48,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:41:48,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:41:48,927 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 15:41:48,927 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:41:48,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355919610] [2022-11-23 15:41:48,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355919610] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:41:48,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:41:48,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:41:48,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868866881] [2022-11-23 15:41:48,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:41:48,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:41:48,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:41:48,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:41:48,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:41:48,932 INFO L87 Difference]: Start difference. First operand 6329 states and 9006 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-23 15:41:52,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:41:54,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:41:56,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:42:04,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:42:07,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:42:07,635 INFO L93 Difference]: Finished difference Result 12527 states and 18028 transitions. [2022-11-23 15:42:07,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:42:07,636 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 43 [2022-11-23 15:42:07,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:42:07,726 INFO L225 Difference]: With dead ends: 12527 [2022-11-23 15:42:07,726 INFO L226 Difference]: Without dead ends: 12525 [2022-11-23 15:42:07,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:42:07,738 INFO L413 NwaCegarLoop]: 5224 mSDtfsCounter, 4536 mSDsluCounter, 9349 mSDsCounter, 0 mSdLazyCounter, 1717 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4547 SdHoareTripleChecker+Valid, 14573 SdHoareTripleChecker+Invalid, 1724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1717 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:42:07,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4547 Valid, 14573 Invalid, 1724 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1717 Invalid, 4 Unknown, 0 Unchecked, 18.1s Time] [2022-11-23 15:42:07,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12525 states. [2022-11-23 15:42:08,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12525 to 12329. [2022-11-23 15:42:08,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12329 states, 7424 states have (on average 1.2952586206896552) internal successors, (9616), 7740 states have internal predecessors, (9616), 3938 states have call successors, (3938), 934 states have call predecessors, (3938), 931 states have return successors, (4270), 3886 states have call predecessors, (4270), 3936 states have call successors, (4270) [2022-11-23 15:42:08,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12329 states to 12329 states and 17824 transitions. [2022-11-23 15:42:08,721 INFO L78 Accepts]: Start accepts. Automaton has 12329 states and 17824 transitions. Word has length 43 [2022-11-23 15:42:08,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:42:08,722 INFO L495 AbstractCegarLoop]: Abstraction has 12329 states and 17824 transitions. [2022-11-23 15:42:08,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-23 15:42:08,723 INFO L276 IsEmpty]: Start isEmpty. Operand 12329 states and 17824 transitions. [2022-11-23 15:42:08,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-23 15:42:08,728 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:42:08,729 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:42:08,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:42:08,730 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:42:08,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:42:08,737 INFO L85 PathProgramCache]: Analyzing trace with hash -863536151, now seen corresponding path program 1 times [2022-11-23 15:42:08,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:42:08,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999460567] [2022-11-23 15:42:08,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:42:08,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:42:08,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:42:09,391 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-23 15:42:09,391 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:42:09,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999460567] [2022-11-23 15:42:09,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999460567] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:42:09,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:42:09,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:42:09,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235060500] [2022-11-23 15:42:09,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:42:09,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:42:09,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:42:09,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:42:09,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:42:09,393 INFO L87 Difference]: Start difference. First operand 12329 states and 17824 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-23 15:42:12,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:42:15,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:42:17,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:42:20,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:42:27,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:42:29,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:42:31,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:42:31,483 INFO L93 Difference]: Finished difference Result 19921 states and 28446 transitions. [2022-11-23 15:42:31,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:42:31,484 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2022-11-23 15:42:31,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:42:31,594 INFO L225 Difference]: With dead ends: 19921 [2022-11-23 15:42:31,594 INFO L226 Difference]: Without dead ends: 19919 [2022-11-23 15:42:31,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-23 15:42:31,605 INFO L413 NwaCegarLoop]: 4970 mSDtfsCounter, 4543 mSDsluCounter, 12437 mSDsCounter, 0 mSdLazyCounter, 2172 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4552 SdHoareTripleChecker+Valid, 17407 SdHoareTripleChecker+Invalid, 2178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2172 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:42:31,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4552 Valid, 17407 Invalid, 2178 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2172 Invalid, 4 Unknown, 0 Unchecked, 21.2s Time] [2022-11-23 15:42:31,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19919 states. [2022-11-23 15:42:32,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19919 to 19685. [2022-11-23 15:42:32,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19685 states, 11669 states have (on average 1.2790299083040535) internal successors, (14925), 12170 states have internal predecessors, (14925), 6298 states have call successors, (6298), 1688 states have call predecessors, (6298), 1683 states have return successors, (6971), 6202 states have call predecessors, (6971), 6296 states have call successors, (6971) [2022-11-23 15:42:32,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19685 states to 19685 states and 28194 transitions. [2022-11-23 15:42:32,884 INFO L78 Accepts]: Start accepts. Automaton has 19685 states and 28194 transitions. Word has length 43 [2022-11-23 15:42:32,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:42:32,885 INFO L495 AbstractCegarLoop]: Abstraction has 19685 states and 28194 transitions. [2022-11-23 15:42:32,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-23 15:42:32,885 INFO L276 IsEmpty]: Start isEmpty. Operand 19685 states and 28194 transitions. [2022-11-23 15:42:32,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-23 15:42:32,886 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:42:32,887 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:42:32,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 15:42:32,887 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:42:32,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:42:32,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1235519688, now seen corresponding path program 1 times [2022-11-23 15:42:32,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:42:32,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558146137] [2022-11-23 15:42:32,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:42:32,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:42:32,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:42:33,380 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 15:42:33,380 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:42:33,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558146137] [2022-11-23 15:42:33,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558146137] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:42:33,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:42:33,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:42:33,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819104618] [2022-11-23 15:42:33,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:42:33,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:42:33,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:42:33,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:42:33,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:42:33,382 INFO L87 Difference]: Start difference. First operand 19685 states and 28194 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-23 15:42:36,079 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 [] [2022-11-23 15:42:38,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:42:40,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:42:47,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:42:48,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:42:48,511 INFO L93 Difference]: Finished difference Result 20387 states and 29021 transitions. [2022-11-23 15:42:48,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:42:48,513 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 2 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 48 [2022-11-23 15:42:48,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:42:48,615 INFO L225 Difference]: With dead ends: 20387 [2022-11-23 15:42:48,616 INFO L226 Difference]: Without dead ends: 20385 [2022-11-23 15:42:48,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:42:48,629 INFO L413 NwaCegarLoop]: 4459 mSDtfsCounter, 4501 mSDsluCounter, 5169 mSDsCounter, 0 mSdLazyCounter, 1347 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4512 SdHoareTripleChecker+Valid, 9628 SdHoareTripleChecker+Invalid, 1352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1347 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:42:48,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4512 Valid, 9628 Invalid, 1352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1347 Invalid, 4 Unknown, 0 Unchecked, 14.5s Time] [2022-11-23 15:42:48,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20385 states. [2022-11-23 15:42:49,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20385 to 20379. [2022-11-23 15:42:49,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20379 states, 12057 states have (on average 1.2752757734096376) internal successors, (15376), 12566 states have internal predecessors, (15376), 6477 states have call successors, (6477), 1813 states have call predecessors, (6477), 1811 states have return successors, (7163), 6381 states have call predecessors, (7163), 6475 states have call successors, (7163) [2022-11-23 15:42:50,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20379 states to 20379 states and 29016 transitions. [2022-11-23 15:42:50,003 INFO L78 Accepts]: Start accepts. Automaton has 20379 states and 29016 transitions. Word has length 48 [2022-11-23 15:42:50,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:42:50,004 INFO L495 AbstractCegarLoop]: Abstraction has 20379 states and 29016 transitions. [2022-11-23 15:42:50,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-23 15:42:50,004 INFO L276 IsEmpty]: Start isEmpty. Operand 20379 states and 29016 transitions. [2022-11-23 15:42:50,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-23 15:42:50,006 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:42:50,006 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-23 15:42:50,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 15:42:50,006 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:42:50,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:42:50,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1569311446, now seen corresponding path program 1 times [2022-11-23 15:42:50,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:42:50,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756503950] [2022-11-23 15:42:50,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:42:50,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:42:50,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:42:50,364 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 15:42:50,364 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:42:50,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756503950] [2022-11-23 15:42:50,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756503950] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:42:50,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:42:50,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:42:50,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222884696] [2022-11-23 15:42:50,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:42:50,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:42:50,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:42:50,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:42:50,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:42:50,366 INFO L87 Difference]: Start difference. First operand 20379 states and 29016 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-23 15:42:53,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:42:55,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:42:57,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:43:03,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:43:05,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:43:05,259 INFO L93 Difference]: Finished difference Result 20385 states and 29019 transitions. [2022-11-23 15:43:05,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:43:05,260 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 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 53 [2022-11-23 15:43:05,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:43:05,353 INFO L225 Difference]: With dead ends: 20385 [2022-11-23 15:43:05,353 INFO L226 Difference]: Without dead ends: 20383 [2022-11-23 15:43:05,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:43:05,364 INFO L413 NwaCegarLoop]: 4316 mSDtfsCounter, 4499 mSDsluCounter, 5026 mSDsCounter, 0 mSdLazyCounter, 1273 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4510 SdHoareTripleChecker+Valid, 9342 SdHoareTripleChecker+Invalid, 1277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1273 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:43:05,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4510 Valid, 9342 Invalid, 1277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1273 Invalid, 4 Unknown, 0 Unchecked, 14.0s Time] [2022-11-23 15:43:05,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20383 states. [2022-11-23 15:43:06,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20383 to 20377. [2022-11-23 15:43:06,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20377 states, 12056 states have (on average 1.2752156602521567) internal successors, (15374), 12564 states have internal predecessors, (15374), 6477 states have call successors, (6477), 1813 states have call predecessors, (6477), 1811 states have return successors, (7163), 6381 states have call predecessors, (7163), 6475 states have call successors, (7163) [2022-11-23 15:43:06,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20377 states to 20377 states and 29014 transitions. [2022-11-23 15:43:06,648 INFO L78 Accepts]: Start accepts. Automaton has 20377 states and 29014 transitions. Word has length 53 [2022-11-23 15:43:06,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:43:06,648 INFO L495 AbstractCegarLoop]: Abstraction has 20377 states and 29014 transitions. [2022-11-23 15:43:06,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-23 15:43:06,649 INFO L276 IsEmpty]: Start isEmpty. Operand 20377 states and 29014 transitions. [2022-11-23 15:43:06,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-23 15:43:06,650 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:43:06,650 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-23 15:43:06,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 15:43:06,650 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:43:06,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:43:06,651 INFO L85 PathProgramCache]: Analyzing trace with hash 652060298, now seen corresponding path program 1 times [2022-11-23 15:43:06,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:43:06,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509094145] [2022-11-23 15:43:06,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:43:06,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:43:06,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:43:07,061 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-23 15:43:07,062 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:43:07,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509094145] [2022-11-23 15:43:07,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509094145] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:43:07,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:43:07,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:43:07,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200899531] [2022-11-23 15:43:07,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:43:07,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:43:07,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:43:07,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:43:07,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:43:07,063 INFO L87 Difference]: Start difference. First operand 20377 states and 29014 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-23 15:43:10,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:43:12,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:43:14,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:43:23,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:43:25,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:43:25,799 INFO L93 Difference]: Finished difference Result 20383 states and 29017 transitions. [2022-11-23 15:43:25,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:43:25,800 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (10), 2 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 53 [2022-11-23 15:43:25,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:43:25,913 INFO L225 Difference]: With dead ends: 20383 [2022-11-23 15:43:25,913 INFO L226 Difference]: Without dead ends: 20381 [2022-11-23 15:43:25,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-23 15:43:25,926 INFO L413 NwaCegarLoop]: 4311 mSDtfsCounter, 4497 mSDsluCounter, 9329 mSDsCounter, 0 mSdLazyCounter, 1852 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4507 SdHoareTripleChecker+Valid, 13640 SdHoareTripleChecker+Invalid, 1856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1852 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:43:25,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4507 Valid, 13640 Invalid, 1856 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1852 Invalid, 4 Unknown, 0 Unchecked, 17.6s Time] [2022-11-23 15:43:25,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20381 states. [2022-11-23 15:43:27,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20381 to 20375. [2022-11-23 15:43:27,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20375 states, 12055 states have (on average 1.2745748652011613) internal successors, (15365), 12562 states have internal predecessors, (15365), 6477 states have call successors, (6477), 1813 states have call predecessors, (6477), 1811 states have return successors, (7163), 6381 states have call predecessors, (7163), 6475 states have call successors, (7163) [2022-11-23 15:43:27,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20375 states to 20375 states and 29005 transitions. [2022-11-23 15:43:27,347 INFO L78 Accepts]: Start accepts. Automaton has 20375 states and 29005 transitions. Word has length 53 [2022-11-23 15:43:27,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:43:27,349 INFO L495 AbstractCegarLoop]: Abstraction has 20375 states and 29005 transitions. [2022-11-23 15:43:27,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-23 15:43:27,350 INFO L276 IsEmpty]: Start isEmpty. Operand 20375 states and 29005 transitions. [2022-11-23 15:43:27,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-23 15:43:27,352 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:43:27,352 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-23 15:43:27,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 15:43:27,353 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_drivers_base_class_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:43:27,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:43:27,353 INFO L85 PathProgramCache]: Analyzing trace with hash 137908485, now seen corresponding path program 1 times [2022-11-23 15:43:27,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:43:27,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50698759] [2022-11-23 15:43:27,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:43:27,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:43:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:43:28,137 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-23 15:43:28,137 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:43:28,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50698759] [2022-11-23 15:43:28,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50698759] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:43:28,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:43:28,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 15:43:28,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852264231] [2022-11-23 15:43:28,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:43:28,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:43:28,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:43:28,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:43:28,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:43:28,139 INFO L87 Difference]: Start difference. First operand 20375 states and 29005 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 4 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-23 15:43:32,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:43:34,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:43:36,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:43:47,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:43:50,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:43:50,125 INFO L93 Difference]: Finished difference Result 27577 states and 38854 transitions. [2022-11-23 15:43:50,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:43:50,126 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 4 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 56 [2022-11-23 15:43:50,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:43:50,245 INFO L225 Difference]: With dead ends: 27577 [2022-11-23 15:43:50,245 INFO L226 Difference]: Without dead ends: 27267 [2022-11-23 15:43:50,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:43:50,258 INFO L413 NwaCegarLoop]: 4729 mSDtfsCounter, 4226 mSDsluCounter, 16722 mSDsCounter, 0 mSdLazyCounter, 2764 mSolverCounterSat, 52 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4234 SdHoareTripleChecker+Valid, 21451 SdHoareTripleChecker+Invalid, 2820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 2764 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:43:50,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4234 Valid, 21451 Invalid, 2820 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [52 Valid, 2764 Invalid, 4 Unknown, 0 Unchecked, 20.6s Time] [2022-11-23 15:43:50,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27267 states. [2022-11-23 15:43:51,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27267 to 19739. [2022-11-23 15:43:51,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19739 states, 11699 states have (on average 1.2743824258483631) internal successors, (14909), 12182 states have internal predecessors, (14909), 6209 states have call successors, (6209), 1801 states have call predecessors, (6209), 1799 states have return successors, (6853), 6109 states have call predecessors, (6853), 6207 states have call successors, (6853) [2022-11-23 15:43:51,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19739 states to 19739 states and 27971 transitions. [2022-11-23 15:43:51,684 INFO L78 Accepts]: Start accepts. Automaton has 19739 states and 27971 transitions. Word has length 56 [2022-11-23 15:43:51,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:43:51,685 INFO L495 AbstractCegarLoop]: Abstraction has 19739 states and 27971 transitions. [2022-11-23 15:43:51,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 4 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-23 15:43:51,685 INFO L276 IsEmpty]: Start isEmpty. Operand 19739 states and 27971 transitions. [2022-11-23 15:43:51,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-23 15:43:51,686 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:43:51,687 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-23 15:43:51,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 15:43:51,687 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:43:51,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:43:51,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1750815864, now seen corresponding path program 1 times [2022-11-23 15:43:51,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:43:51,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190253971] [2022-11-23 15:43:51,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:43:51,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:43:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:43:52,143 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 15:43:52,143 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:43:52,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190253971] [2022-11-23 15:43:52,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190253971] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:43:52,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:43:52,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:43:52,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811691060] [2022-11-23 15:43:52,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:43:52,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:43:52,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:43:52,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:43:52,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:43:52,146 INFO L87 Difference]: Start difference. First operand 19739 states and 27971 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-23 15:43:55,148 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 [] [2022-11-23 15:43:57,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:43:59,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:44:08,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:44:10,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:44:10,158 INFO L93 Difference]: Finished difference Result 27277 states and 38519 transitions. [2022-11-23 15:44:10,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:44:10,159 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 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 58 [2022-11-23 15:44:10,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:44:10,267 INFO L225 Difference]: With dead ends: 27277 [2022-11-23 15:44:10,267 INFO L226 Difference]: Without dead ends: 27275 [2022-11-23 15:44:10,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:44:10,278 INFO L413 NwaCegarLoop]: 5132 mSDtfsCounter, 4495 mSDsluCounter, 7694 mSDsCounter, 0 mSdLazyCounter, 1658 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4506 SdHoareTripleChecker+Valid, 12826 SdHoareTripleChecker+Invalid, 1664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1658 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:44:10,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4506 Valid, 12826 Invalid, 1664 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1658 Invalid, 4 Unknown, 0 Unchecked, 16.5s Time] [2022-11-23 15:44:10,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27275 states. [2022-11-23 15:44:11,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27275 to 27115. [2022-11-23 15:44:11,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27115 states, 15956 states have (on average 1.2677989471045374) internal successors, (20229), 16617 states have internal predecessors, (20229), 8571 states have call successors, (8571), 2560 states have call predecessors, (8571), 2556 states have return successors, (9555), 8431 states have call predecessors, (9555), 8569 states have call successors, (9555) [2022-11-23 15:44:11,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27115 states to 27115 states and 38355 transitions. [2022-11-23 15:44:11,748 INFO L78 Accepts]: Start accepts. Automaton has 27115 states and 38355 transitions. Word has length 58 [2022-11-23 15:44:11,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:44:11,749 INFO L495 AbstractCegarLoop]: Abstraction has 27115 states and 38355 transitions. [2022-11-23 15:44:11,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-23 15:44:11,749 INFO L276 IsEmpty]: Start isEmpty. Operand 27115 states and 38355 transitions. [2022-11-23 15:44:11,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-23 15:44:11,750 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:44:11,751 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-23 15:44:11,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 15:44:11,751 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_usb_gadget_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:44:11,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:44:11,752 INFO L85 PathProgramCache]: Analyzing trace with hash -88932903, now seen corresponding path program 1 times [2022-11-23 15:44:11,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:44:11,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416754992] [2022-11-23 15:44:11,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:44:11,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:44:11,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:44:12,213 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-23 15:44:12,213 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:44:12,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416754992] [2022-11-23 15:44:12,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416754992] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:44:12,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:44:12,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:44:12,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143898293] [2022-11-23 15:44:12,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:44:12,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:44:12,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:44:12,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:44:12,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:44:12,216 INFO L87 Difference]: Start difference. First operand 27115 states and 38355 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-23 15:44:15,027 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 [] [2022-11-23 15:44:17,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:44:19,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:44:23,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:44:27,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:44:28,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:44:28,687 INFO L93 Difference]: Finished difference Result 27145 states and 38390 transitions. [2022-11-23 15:44:28,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:44:28,688 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (13), 2 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 61 [2022-11-23 15:44:28,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:44:28,773 INFO L225 Difference]: With dead ends: 27145 [2022-11-23 15:44:28,773 INFO L226 Difference]: Without dead ends: 27143 [2022-11-23 15:44:28,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:44:28,786 INFO L413 NwaCegarLoop]: 4456 mSDtfsCounter, 4490 mSDsluCounter, 5165 mSDsCounter, 0 mSdLazyCounter, 1347 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4499 SdHoareTripleChecker+Valid, 9621 SdHoareTripleChecker+Invalid, 1351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1347 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:44:28,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4499 Valid, 9621 Invalid, 1351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1347 Invalid, 4 Unknown, 0 Unchecked, 15.3s Time] [2022-11-23 15:44:28,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27143 states. [2022-11-23 15:44:30,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27143 to 27113. [2022-11-23 15:44:30,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27113 states, 15955 states have (on average 1.2670636164211846) internal successors, (20216), 16615 states have internal predecessors, (20216), 8571 states have call successors, (8571), 2560 states have call predecessors, (8571), 2556 states have return successors, (9555), 8431 states have call predecessors, (9555), 8569 states have call successors, (9555) [2022-11-23 15:44:30,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27113 states to 27113 states and 38342 transitions. [2022-11-23 15:44:30,383 INFO L78 Accepts]: Start accepts. Automaton has 27113 states and 38342 transitions. Word has length 61 [2022-11-23 15:44:30,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:44:30,383 INFO L495 AbstractCegarLoop]: Abstraction has 27113 states and 38342 transitions. [2022-11-23 15:44:30,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-23 15:44:30,384 INFO L276 IsEmpty]: Start isEmpty. Operand 27113 states and 38342 transitions. [2022-11-23 15:44:30,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-23 15:44:30,385 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:44:30,385 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-23 15:44:30,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-23 15:44:30,386 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:44:30,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:44:30,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1289264373, now seen corresponding path program 1 times [2022-11-23 15:44:30,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:44:30,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602826750] [2022-11-23 15:44:30,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:44:30,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:44:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:44:30,688 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 15:44:30,689 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:44:30,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602826750] [2022-11-23 15:44:30,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602826750] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:44:30,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:44:30,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:44:30,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319411125] [2022-11-23 15:44:30,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:44:30,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:44:30,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:44:30,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:44:30,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:44:30,691 INFO L87 Difference]: Start difference. First operand 27113 states and 38342 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-23 15:44:33,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:44:35,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:44:37,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:44:45,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:44:46,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:44:46,994 INFO L93 Difference]: Finished difference Result 27119 states and 38345 transitions. [2022-11-23 15:44:46,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:44:46,994 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (13), 2 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 63 [2022-11-23 15:44:46,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:44:47,082 INFO L225 Difference]: With dead ends: 27119 [2022-11-23 15:44:47,083 INFO L226 Difference]: Without dead ends: 27117 [2022-11-23 15:44:47,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:44:47,098 INFO L413 NwaCegarLoop]: 4452 mSDtfsCounter, 4491 mSDsluCounter, 5162 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4502 SdHoareTripleChecker+Valid, 9614 SdHoareTripleChecker+Invalid, 1349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:44:47,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4502 Valid, 9614 Invalid, 1349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1345 Invalid, 4 Unknown, 0 Unchecked, 14.9s Time] [2022-11-23 15:44:47,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27117 states. [2022-11-23 15:44:48,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27117 to 27111. [2022-11-23 15:44:48,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27111 states, 15954 states have (on average 1.2670176758179768) internal successors, (20214), 16613 states have internal predecessors, (20214), 8571 states have call successors, (8571), 2560 states have call predecessors, (8571), 2556 states have return successors, (9555), 8431 states have call predecessors, (9555), 8569 states have call successors, (9555) [2022-11-23 15:44:48,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27111 states to 27111 states and 38340 transitions. [2022-11-23 15:44:48,871 INFO L78 Accepts]: Start accepts. Automaton has 27111 states and 38340 transitions. Word has length 63 [2022-11-23 15:44:48,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:44:48,871 INFO L495 AbstractCegarLoop]: Abstraction has 27111 states and 38340 transitions. [2022-11-23 15:44:48,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-23 15:44:48,872 INFO L276 IsEmpty]: Start isEmpty. Operand 27111 states and 38340 transitions. [2022-11-23 15:44:48,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-23 15:44:48,873 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:44:48,873 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-23 15:44:48,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-23 15:44:48,873 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:44:48,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:44:48,874 INFO L85 PathProgramCache]: Analyzing trace with hash -335403048, now seen corresponding path program 1 times [2022-11-23 15:44:48,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:44:48,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343023046] [2022-11-23 15:44:48,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:44:48,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:44:48,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:44:49,184 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 15:44:49,184 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:44:49,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343023046] [2022-11-23 15:44:49,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343023046] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:44:49,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:44:49,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:44:49,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860768076] [2022-11-23 15:44:49,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:44:49,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:44:49,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:44:49,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:44:49,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:44:49,187 INFO L87 Difference]: Start difference. First operand 27111 states and 38340 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-23 15:44:51,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:44:54,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:44:56,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:44:57,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:45:05,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:45:07,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:45:07,010 INFO L93 Difference]: Finished difference Result 27117 states and 38343 transitions. [2022-11-23 15:45:07,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:45:07,011 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 2 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 68 [2022-11-23 15:45:07,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:45:07,093 INFO L225 Difference]: With dead ends: 27117 [2022-11-23 15:45:07,093 INFO L226 Difference]: Without dead ends: 27115 [2022-11-23 15:45:07,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:45:07,105 INFO L413 NwaCegarLoop]: 4450 mSDtfsCounter, 4488 mSDsluCounter, 5160 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4499 SdHoareTripleChecker+Valid, 9610 SdHoareTripleChecker+Invalid, 1349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:45:07,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4499 Valid, 9610 Invalid, 1349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1345 Invalid, 4 Unknown, 0 Unchecked, 16.3s Time] [2022-11-23 15:45:07,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27115 states. [2022-11-23 15:45:08,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27115 to 27109. [2022-11-23 15:45:08,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27109 states, 15953 states have (on average 1.266971729455275) internal successors, (20212), 16611 states have internal predecessors, (20212), 8571 states have call successors, (8571), 2560 states have call predecessors, (8571), 2556 states have return successors, (9555), 8431 states have call predecessors, (9555), 8569 states have call successors, (9555) [2022-11-23 15:45:08,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27109 states to 27109 states and 38338 transitions. [2022-11-23 15:45:08,702 INFO L78 Accepts]: Start accepts. Automaton has 27109 states and 38338 transitions. Word has length 68 [2022-11-23 15:45:08,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:45:08,702 INFO L495 AbstractCegarLoop]: Abstraction has 27109 states and 38338 transitions. [2022-11-23 15:45:08,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-23 15:45:08,702 INFO L276 IsEmpty]: Start isEmpty. Operand 27109 states and 38338 transitions. [2022-11-23 15:45:08,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-23 15:45:08,704 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:45:08,704 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:45:08,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-23 15:45:08,704 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:45:08,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:45:08,705 INFO L85 PathProgramCache]: Analyzing trace with hash 522965463, now seen corresponding path program 1 times [2022-11-23 15:45:08,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:45:08,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082540716] [2022-11-23 15:45:08,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:45:08,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:45:08,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:45:09,035 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 15:45:09,036 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:45:09,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082540716] [2022-11-23 15:45:09,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082540716] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:45:09,036 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:45:09,036 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:45:09,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035818015] [2022-11-23 15:45:09,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:45:09,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:45:09,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:45:09,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:45:09,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:45:09,038 INFO L87 Difference]: Start difference. First operand 27109 states and 38338 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-23 15:45:11,933 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 [] [2022-11-23 15:45:14,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:45:16,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:45:23,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:45:25,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:45:25,029 INFO L93 Difference]: Finished difference Result 27115 states and 38341 transitions. [2022-11-23 15:45:25,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:45:25,030 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 2 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 73 [2022-11-23 15:45:25,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:45:25,110 INFO L225 Difference]: With dead ends: 27115 [2022-11-23 15:45:25,110 INFO L226 Difference]: Without dead ends: 27113 [2022-11-23 15:45:25,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:45:25,121 INFO L413 NwaCegarLoop]: 4448 mSDtfsCounter, 4489 mSDsluCounter, 5154 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4500 SdHoareTripleChecker+Valid, 9602 SdHoareTripleChecker+Invalid, 1349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:45:25,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4500 Valid, 9602 Invalid, 1349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1345 Invalid, 4 Unknown, 0 Unchecked, 13.9s Time] [2022-11-23 15:45:25,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27113 states. [2022-11-23 15:45:26,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27113 to 27107. [2022-11-23 15:45:26,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27107 states, 15952 states have (on average 1.266925777331996) internal successors, (20210), 16609 states have internal predecessors, (20210), 8571 states have call successors, (8571), 2560 states have call predecessors, (8571), 2556 states have return successors, (9555), 8431 states have call predecessors, (9555), 8569 states have call successors, (9555) [2022-11-23 15:45:26,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27107 states to 27107 states and 38336 transitions. [2022-11-23 15:45:26,870 INFO L78 Accepts]: Start accepts. Automaton has 27107 states and 38336 transitions. Word has length 73 [2022-11-23 15:45:26,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:45:26,870 INFO L495 AbstractCegarLoop]: Abstraction has 27107 states and 38336 transitions. [2022-11-23 15:45:26,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-23 15:45:26,870 INFO L276 IsEmpty]: Start isEmpty. Operand 27107 states and 38336 transitions. [2022-11-23 15:45:26,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-23 15:45:26,872 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:45:26,872 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:45:26,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-23 15:45:26,873 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:45:26,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:45:26,873 INFO L85 PathProgramCache]: Analyzing trace with hash 58864666, now seen corresponding path program 1 times [2022-11-23 15:45:26,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:45:26,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762254640] [2022-11-23 15:45:26,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:45:26,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:45:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:45:27,166 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 15:45:27,167 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:45:27,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762254640] [2022-11-23 15:45:27,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762254640] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:45:27,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:45:27,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:45:27,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247886026] [2022-11-23 15:45:27,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:45:27,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:45:27,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:45:27,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:45:27,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:45:27,169 INFO L87 Difference]: Start difference. First operand 27107 states and 38336 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-23 15:45:30,265 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 [] [2022-11-23 15:45:32,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:45:34,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:45:42,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:45:43,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:45:43,389 INFO L93 Difference]: Finished difference Result 27113 states and 38339 transitions. [2022-11-23 15:45:43,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:45:43,390 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (15), 2 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 75 [2022-11-23 15:45:43,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:45:43,467 INFO L225 Difference]: With dead ends: 27113 [2022-11-23 15:45:43,468 INFO L226 Difference]: Without dead ends: 27111 [2022-11-23 15:45:43,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:45:43,479 INFO L413 NwaCegarLoop]: 4446 mSDtfsCounter, 4481 mSDsluCounter, 5156 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4492 SdHoareTripleChecker+Valid, 9602 SdHoareTripleChecker+Invalid, 1349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:45:43,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4492 Valid, 9602 Invalid, 1349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1345 Invalid, 4 Unknown, 0 Unchecked, 14.2s Time] [2022-11-23 15:45:43,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27111 states. [2022-11-23 15:45:45,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27111 to 27105. [2022-11-23 15:45:45,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27105 states, 15951 states have (on average 1.2668798194470565) internal successors, (20208), 16607 states have internal predecessors, (20208), 8571 states have call successors, (8571), 2560 states have call predecessors, (8571), 2556 states have return successors, (9555), 8431 states have call predecessors, (9555), 8569 states have call successors, (9555) [2022-11-23 15:45:45,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27105 states to 27105 states and 38334 transitions. [2022-11-23 15:45:45,395 INFO L78 Accepts]: Start accepts. Automaton has 27105 states and 38334 transitions. Word has length 75 [2022-11-23 15:45:45,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:45:45,396 INFO L495 AbstractCegarLoop]: Abstraction has 27105 states and 38334 transitions. [2022-11-23 15:45:45,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-23 15:45:45,396 INFO L276 IsEmpty]: Start isEmpty. Operand 27105 states and 38334 transitions. [2022-11-23 15:45:45,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-23 15:45:45,397 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:45:45,398 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:45:45,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-23 15:45:45,398 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_net_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:45:45,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:45:45,398 INFO L85 PathProgramCache]: Analyzing trace with hash 517490159, now seen corresponding path program 1 times [2022-11-23 15:45:45,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:45:45,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203473728] [2022-11-23 15:45:45,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:45:45,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:45:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:45:45,671 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-11-23 15:45:45,672 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:45:45,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203473728] [2022-11-23 15:45:45,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203473728] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:45:45,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:45:45,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:45:45,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735457508] [2022-11-23 15:45:45,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:45:45,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:45:45,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:45:45,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:45:45,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:45:45,674 INFO L87 Difference]: Start difference. First operand 27105 states and 38334 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-23 15:45:48,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:45:50,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:45:52,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:45:54,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:45:59,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:46:00,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:46:00,533 INFO L93 Difference]: Finished difference Result 49025 states and 68875 transitions. [2022-11-23 15:46:00,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:46:00,534 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 94 [2022-11-23 15:46:00,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:46:00,620 INFO L225 Difference]: With dead ends: 49025 [2022-11-23 15:46:00,620 INFO L226 Difference]: Without dead ends: 27085 [2022-11-23 15:46:00,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:46:00,730 INFO L413 NwaCegarLoop]: 4442 mSDtfsCounter, 4491 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4500 SdHoareTripleChecker+Valid, 5152 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:46:00,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4500 Valid, 5152 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 740 Invalid, 4 Unknown, 0 Unchecked, 12.6s Time] [2022-11-23 15:46:00,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27085 states. [2022-11-23 15:46:02,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27085 to 27079. [2022-11-23 15:46:02,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27079 states, 15926 states have (on average 1.2657917870149442) internal successors, (20159), 16581 states have internal predecessors, (20159), 8571 states have call successors, (8571), 2560 states have call predecessors, (8571), 2556 states have return successors, (9555), 8431 states have call predecessors, (9555), 8569 states have call successors, (9555) [2022-11-23 15:46:03,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27079 states to 27079 states and 38285 transitions. [2022-11-23 15:46:03,055 INFO L78 Accepts]: Start accepts. Automaton has 27079 states and 38285 transitions. Word has length 94 [2022-11-23 15:46:03,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:46:03,059 INFO L495 AbstractCegarLoop]: Abstraction has 27079 states and 38285 transitions. [2022-11-23 15:46:03,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-23 15:46:03,059 INFO L276 IsEmpty]: Start isEmpty. Operand 27079 states and 38285 transitions. [2022-11-23 15:46:03,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-23 15:46:03,061 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:46:03,062 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-23 15:46:03,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-23 15:46:03,064 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:46:03,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:46:03,064 INFO L85 PathProgramCache]: Analyzing trace with hash 724400925, now seen corresponding path program 1 times [2022-11-23 15:46:03,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:46:03,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333104683] [2022-11-23 15:46:03,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:46:03,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:46:03,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:46:03,596 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-11-23 15:46:03,596 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:46:03,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333104683] [2022-11-23 15:46:03,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333104683] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:46:03,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:46:03,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:46:03,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271361859] [2022-11-23 15:46:03,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:46:03,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:46:03,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:46:03,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:46:03,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:46:03,598 INFO L87 Difference]: Start difference. First operand 27079 states and 38285 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-23 15:46:07,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:46:09,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:46:11,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:46:21,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:46:24,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:46:24,187 INFO L93 Difference]: Finished difference Result 37836 states and 53483 transitions. [2022-11-23 15:46:24,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 15:46:24,187 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 103 [2022-11-23 15:46:24,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:46:24,345 INFO L225 Difference]: With dead ends: 37836 [2022-11-23 15:46:24,345 INFO L226 Difference]: Without dead ends: 37834 [2022-11-23 15:46:24,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:46:24,364 INFO L413 NwaCegarLoop]: 4909 mSDtfsCounter, 4380 mSDsluCounter, 12192 mSDsCounter, 0 mSdLazyCounter, 2274 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4387 SdHoareTripleChecker+Valid, 17101 SdHoareTripleChecker+Invalid, 2280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2274 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:46:24,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4387 Valid, 17101 Invalid, 2280 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2274 Invalid, 4 Unknown, 0 Unchecked, 17.4s Time] [2022-11-23 15:46:24,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37834 states. [2022-11-23 15:46:27,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37834 to 37592. [2022-11-23 15:46:27,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37592 states, 21985 states have (on average 1.2569479190357062) internal successors, (27634), 22912 states have internal predecessors, (27634), 11681 states have call successors, (11681), 3934 states have call predecessors, (11681), 3900 states have return successors, (13892), 11419 states have call predecessors, (13892), 11679 states have call successors, (13892) [2022-11-23 15:46:27,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37592 states to 37592 states and 53207 transitions. [2022-11-23 15:46:27,261 INFO L78 Accepts]: Start accepts. Automaton has 37592 states and 53207 transitions. Word has length 103 [2022-11-23 15:46:27,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:46:27,262 INFO L495 AbstractCegarLoop]: Abstraction has 37592 states and 53207 transitions. [2022-11-23 15:46:27,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-23 15:46:27,262 INFO L276 IsEmpty]: Start isEmpty. Operand 37592 states and 53207 transitions. [2022-11-23 15:46:27,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-23 15:46:27,267 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:46:27,268 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:46:27,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-23 15:46:27,268 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_drivers_base_class_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:46:27,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:46:27,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1817488947, now seen corresponding path program 1 times [2022-11-23 15:46:27,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:46:27,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258019373] [2022-11-23 15:46:27,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:46:27,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:46:27,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:46:28,475 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-23 15:46:28,475 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:46:28,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258019373] [2022-11-23 15:46:28,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258019373] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:46:28,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:46:28,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 15:46:28,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739746210] [2022-11-23 15:46:28,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:46:28,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 15:46:28,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:46:28,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 15:46:28,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-23 15:46:28,477 INFO L87 Difference]: Start difference. First operand 37592 states and 53207 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 4 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 5 states have call predecessors, (13), 4 states have call successors, (13) [2022-11-23 15:46:33,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:46:35,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:46:37,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:46:39,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:46:54,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:46:58,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:46:58,152 INFO L93 Difference]: Finished difference Result 80600 states and 113624 transitions. [2022-11-23 15:46:58,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 15:46:58,153 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 4 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 5 states have call predecessors, (13), 4 states have call successors, (13) Word has length 78 [2022-11-23 15:46:58,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:46:58,396 INFO L225 Difference]: With dead ends: 80600 [2022-11-23 15:46:58,397 INFO L226 Difference]: Without dead ends: 57970 [2022-11-23 15:46:58,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-23 15:46:58,493 INFO L413 NwaCegarLoop]: 4890 mSDtfsCounter, 4667 mSDsluCounter, 21868 mSDsCounter, 0 mSdLazyCounter, 3682 mSolverCounterSat, 221 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4685 SdHoareTripleChecker+Valid, 26758 SdHoareTripleChecker+Invalid, 3907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 221 IncrementalHoareTripleChecker+Valid, 3682 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:46:58,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4685 Valid, 26758 Invalid, 3907 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [221 Valid, 3682 Invalid, 4 Unknown, 0 Unchecked, 24.6s Time] [2022-11-23 15:46:58,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57970 states. [2022-11-23 15:47:03,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57970 to 57564. [2022-11-23 15:47:03,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57564 states, 33533 states have (on average 1.252437896996988) internal successors, (41998), 34948 states have internal predecessors, (41998), 17787 states have call successors, (17787), 6270 states have call predecessors, (17787), 6218 states have return successors, (21406), 17367 states have call predecessors, (21406), 17785 states have call successors, (21406) [2022-11-23 15:47:03,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57564 states to 57564 states and 81191 transitions. [2022-11-23 15:47:03,462 INFO L78 Accepts]: Start accepts. Automaton has 57564 states and 81191 transitions. Word has length 78 [2022-11-23 15:47:03,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:47:03,463 INFO L495 AbstractCegarLoop]: Abstraction has 57564 states and 81191 transitions. [2022-11-23 15:47:03,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 4 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 5 states have call predecessors, (13), 4 states have call successors, (13) [2022-11-23 15:47:03,463 INFO L276 IsEmpty]: Start isEmpty. Operand 57564 states and 81191 transitions. [2022-11-23 15:47:03,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-23 15:47:03,464 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:47:03,464 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:47:03,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-23 15:47:03,465 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-23 15:47:03,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:47:03,465 INFO L85 PathProgramCache]: Analyzing trace with hash 787822219, now seen corresponding path program 1 times [2022-11-23 15:47:03,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:47:03,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970204202] [2022-11-23 15:47:03,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:47:03,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:47:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:47:04,007 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 15:47:04,008 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:47:04,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970204202] [2022-11-23 15:47:04,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970204202] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:47:04,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:47:04,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:47:04,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797163248] [2022-11-23 15:47:04,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:47:04,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:47:04,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:47:04,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:47:04,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:47:04,010 INFO L87 Difference]: Start difference. First operand 57564 states and 81191 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-23 15:47:07,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:47:09,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:47:11,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:47:13,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:47:21,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 15:47:24,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:47:24,013 INFO L93 Difference]: Finished difference Result 57570 states and 81194 transitions. [2022-11-23 15:47:24,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:47:24,014 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 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 80 [2022-11-23 15:47:24,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:47:24,196 INFO L225 Difference]: With dead ends: 57570 [2022-11-23 15:47:24,197 INFO L226 Difference]: Without dead ends: 57568 [2022-11-23 15:47:24,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:47:24,216 INFO L413 NwaCegarLoop]: 4259 mSDtfsCounter, 4475 mSDsluCounter, 4969 mSDsCounter, 0 mSdLazyCounter, 1257 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4486 SdHoareTripleChecker+Valid, 9228 SdHoareTripleChecker+Invalid, 1261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1257 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:47:24,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4486 Valid, 9228 Invalid, 1261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1257 Invalid, 4 Unknown, 0 Unchecked, 15.4s Time] [2022-11-23 15:47:24,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57568 states.