./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--net--ethernet--amd--amd8111e.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/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_f5a972ae-61c6-41ff-b127-1751b0596890/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/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_f5a972ae-61c6-41ff-b127-1751b0596890/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 a88d6e7bf2b158373436b40548cbe71d2b3a1f454b281f07c3b1b175d00e8682 --- 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 15:50:36,032 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:50:36,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:50:36,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:50:36,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:50:36,079 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:50:36,081 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:50:36,084 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:50:36,086 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:50:36,091 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:50:36,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:50:36,093 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:50:36,093 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:50:36,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:50:36,095 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:50:36,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:50:36,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:50:36,097 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:50:36,099 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:50:36,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:50:36,101 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:50:36,106 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:50:36,108 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:50:36,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:50:36,123 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:50:36,123 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:50:36,123 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:50:36,124 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:50:36,125 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:50:36,126 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:50:36,126 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:50:36,127 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:50:36,127 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:50:36,128 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:50:36,129 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:50:36,129 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:50:36,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:50:36,130 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:50:36,130 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:50:36,131 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:50:36,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:50:36,136 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 15:50:36,179 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:50:36,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:50:36,180 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:50:36,180 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:50:36,181 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:50:36,198 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:50:36,198 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:50:36,199 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:50:36,199 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:50:36,199 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:50:36,200 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:50:36,200 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:50:36,200 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:50:36,200 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:50:36,200 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:50:36,201 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:50:36,201 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:50:36,201 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:50:36,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:50:36,202 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:50:36,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:50:36,203 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:50:36,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:50:36,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:50:36,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:50:36,204 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:50:36,204 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:50:36,204 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:50:36,205 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:50:36,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:50:36,205 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:50:36,205 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:50:36,206 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:50:36,206 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:50:36,206 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:50:36,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:50:36,207 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:50:36,207 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:50:36,207 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_f5a972ae-61c6-41ff-b127-1751b0596890/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a88d6e7bf2b158373436b40548cbe71d2b3a1f454b281f07c3b1b175d00e8682 [2022-11-23 15:50:36,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:50:36,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:50:36,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:50:36,498 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:50:36,500 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:50:36,502 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i [2022-11-23 15:50:39,518 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:50:40,344 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:50:40,345 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i [2022-11-23 15:50:40,426 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/bin/utaipan-Q6hlc19bkW/data/50a6a2f8a/24947455ef9e4c20895ac524fc6193c3/FLAG8a8bc4008 [2022-11-23 15:50:40,451 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/bin/utaipan-Q6hlc19bkW/data/50a6a2f8a/24947455ef9e4c20895ac524fc6193c3 [2022-11-23 15:50:40,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:50:40,457 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:50:40,460 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:50:40,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:50:40,464 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:50:40,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:40" (1/1) ... [2022-11-23 15:50:40,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fd71ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:40, skipping insertion in model container [2022-11-23 15:50:40,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:40" (1/1) ... [2022-11-23 15:50:40,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:50:40,683 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:50:45,354 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[410486,410499] [2022-11-23 15:50:45,360 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[410631,410644] [2022-11-23 15:50:45,361 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[410777,410790] [2022-11-23 15:50:45,361 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[410942,410955] [2022-11-23 15:50:45,361 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411100,411113] [2022-11-23 15:50:45,362 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411258,411271] [2022-11-23 15:50:45,368 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411416,411429] [2022-11-23 15:50:45,369 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411576,411589] [2022-11-23 15:50:45,370 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411735,411748] [2022-11-23 15:50:45,370 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411874,411887] [2022-11-23 15:50:45,370 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412016,412029] [2022-11-23 15:50:45,371 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412165,412178] [2022-11-23 15:50:45,372 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412304,412317] [2022-11-23 15:50:45,373 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412459,412472] [2022-11-23 15:50:45,375 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412619,412632] [2022-11-23 15:50:45,376 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412770,412783] [2022-11-23 15:50:45,377 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412921,412934] [2022-11-23 15:50:45,377 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413073,413086] [2022-11-23 15:50:45,378 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413222,413235] [2022-11-23 15:50:45,379 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413370,413383] [2022-11-23 15:50:45,379 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413527,413540] [2022-11-23 15:50:45,379 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413676,413689] [2022-11-23 15:50:45,380 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413832,413845] [2022-11-23 15:50:45,381 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413985,413998] [2022-11-23 15:50:45,382 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414131,414144] [2022-11-23 15:50:45,382 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414274,414287] [2022-11-23 15:50:45,383 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414426,414439] [2022-11-23 15:50:45,384 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414572,414585] [2022-11-23 15:50:45,384 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414717,414730] [2022-11-23 15:50:45,385 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414871,414884] [2022-11-23 15:50:45,385 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415022,415035] [2022-11-23 15:50:45,386 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415177,415190] [2022-11-23 15:50:45,386 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415329,415342] [2022-11-23 15:50:45,387 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415484,415497] [2022-11-23 15:50:45,387 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415648,415661] [2022-11-23 15:50:45,388 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415804,415817] [2022-11-23 15:50:45,388 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415968,415981] [2022-11-23 15:50:45,389 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416110,416123] [2022-11-23 15:50:45,389 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416268,416281] [2022-11-23 15:50:45,390 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416435,416448] [2022-11-23 15:50:45,390 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416594,416607] [2022-11-23 15:50:45,391 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416753,416766] [2022-11-23 15:50:45,392 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416902,416915] [2022-11-23 15:50:45,392 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417049,417062] [2022-11-23 15:50:45,393 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417188,417201] [2022-11-23 15:50:45,393 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417351,417364] [2022-11-23 15:50:45,393 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417517,417530] [2022-11-23 15:50:45,396 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417681,417694] [2022-11-23 15:50:45,397 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417846,417859] [2022-11-23 15:50:45,397 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418011,418024] [2022-11-23 15:50:45,398 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418177,418190] [2022-11-23 15:50:45,398 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418342,418355] [2022-11-23 15:50:45,399 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418509,418522] [2022-11-23 15:50:45,399 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418669,418682] [2022-11-23 15:50:45,400 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418831,418844] [2022-11-23 15:50:45,400 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418990,419003] [2022-11-23 15:50:45,400 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419136,419149] [2022-11-23 15:50:45,401 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419279,419292] [2022-11-23 15:50:45,401 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419423,419436] [2022-11-23 15:50:45,402 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419566,419579] [2022-11-23 15:50:45,403 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419710,419723] [2022-11-23 15:50:45,404 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419851,419864] [2022-11-23 15:50:45,404 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419989,420002] [2022-11-23 15:50:45,406 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420147,420160] [2022-11-23 15:50:45,406 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420306,420319] [2022-11-23 15:50:45,407 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420462,420475] [2022-11-23 15:50:45,408 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420611,420624] [2022-11-23 15:50:45,409 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420763,420776] [2022-11-23 15:50:45,410 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420914,420927] [2022-11-23 15:50:45,411 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421063,421076] [2022-11-23 15:50:45,412 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421215,421228] [2022-11-23 15:50:45,412 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421363,421376] [2022-11-23 15:50:45,413 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421516,421529] [2022-11-23 15:50:45,413 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421667,421680] [2022-11-23 15:50:45,414 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421817,421830] [2022-11-23 15:50:45,414 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421964,421977] [2022-11-23 15:50:45,415 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422115,422128] [2022-11-23 15:50:45,415 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422266,422279] [2022-11-23 15:50:45,416 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422414,422427] [2022-11-23 15:50:45,416 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422580,422593] [2022-11-23 15:50:45,416 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422749,422762] [2022-11-23 15:50:45,417 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422916,422929] [2022-11-23 15:50:45,417 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423084,423097] [2022-11-23 15:50:45,418 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423234,423247] [2022-11-23 15:50:45,418 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423381,423394] [2022-11-23 15:50:45,419 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423542,423555] [2022-11-23 15:50:45,419 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423712,423725] [2022-11-23 15:50:45,420 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423874,423887] [2022-11-23 15:50:45,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:50:45,471 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:50:45,879 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[410486,410499] [2022-11-23 15:50:45,880 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[410631,410644] [2022-11-23 15:50:45,880 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[410777,410790] [2022-11-23 15:50:45,881 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[410942,410955] [2022-11-23 15:50:45,881 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411100,411113] [2022-11-23 15:50:45,881 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411258,411271] [2022-11-23 15:50:45,882 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411416,411429] [2022-11-23 15:50:45,882 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411576,411589] [2022-11-23 15:50:45,883 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411735,411748] [2022-11-23 15:50:45,883 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411874,411887] [2022-11-23 15:50:45,883 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412016,412029] [2022-11-23 15:50:45,884 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412165,412178] [2022-11-23 15:50:45,884 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412304,412317] [2022-11-23 15:50:45,885 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412459,412472] [2022-11-23 15:50:45,885 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412619,412632] [2022-11-23 15:50:45,885 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412770,412783] [2022-11-23 15:50:45,886 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412921,412934] [2022-11-23 15:50:45,886 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413073,413086] [2022-11-23 15:50:45,887 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413222,413235] [2022-11-23 15:50:45,887 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413370,413383] [2022-11-23 15:50:45,887 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413527,413540] [2022-11-23 15:50:45,888 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413676,413689] [2022-11-23 15:50:45,888 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413832,413845] [2022-11-23 15:50:45,889 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413985,413998] [2022-11-23 15:50:45,889 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414131,414144] [2022-11-23 15:50:45,889 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414274,414287] [2022-11-23 15:50:45,890 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414426,414439] [2022-11-23 15:50:45,890 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414572,414585] [2022-11-23 15:50:45,891 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414717,414730] [2022-11-23 15:50:45,891 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414871,414884] [2022-11-23 15:50:45,891 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415022,415035] [2022-11-23 15:50:45,892 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415177,415190] [2022-11-23 15:50:45,892 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415329,415342] [2022-11-23 15:50:45,893 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415484,415497] [2022-11-23 15:50:45,893 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415648,415661] [2022-11-23 15:50:45,893 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415804,415817] [2022-11-23 15:50:45,894 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415968,415981] [2022-11-23 15:50:45,894 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416110,416123] [2022-11-23 15:50:45,895 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416268,416281] [2022-11-23 15:50:45,895 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416435,416448] [2022-11-23 15:50:45,895 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416594,416607] [2022-11-23 15:50:45,896 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416753,416766] [2022-11-23 15:50:45,896 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416902,416915] [2022-11-23 15:50:45,897 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417049,417062] [2022-11-23 15:50:45,897 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417188,417201] [2022-11-23 15:50:45,897 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417351,417364] [2022-11-23 15:50:45,898 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417517,417530] [2022-11-23 15:50:45,898 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417681,417694] [2022-11-23 15:50:45,898 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417846,417859] [2022-11-23 15:50:45,899 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418011,418024] [2022-11-23 15:50:45,899 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418177,418190] [2022-11-23 15:50:45,900 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418342,418355] [2022-11-23 15:50:45,900 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418509,418522] [2022-11-23 15:50:45,900 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418669,418682] [2022-11-23 15:50:45,901 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418831,418844] [2022-11-23 15:50:45,901 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418990,419003] [2022-11-23 15:50:45,902 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419136,419149] [2022-11-23 15:50:45,902 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419279,419292] [2022-11-23 15:50:45,903 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419423,419436] [2022-11-23 15:50:45,903 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419566,419579] [2022-11-23 15:50:45,904 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419710,419723] [2022-11-23 15:50:45,904 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419851,419864] [2022-11-23 15:50:45,905 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419989,420002] [2022-11-23 15:50:45,905 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420147,420160] [2022-11-23 15:50:45,905 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420306,420319] [2022-11-23 15:50:45,906 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420462,420475] [2022-11-23 15:50:45,906 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420611,420624] [2022-11-23 15:50:45,907 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420763,420776] [2022-11-23 15:50:45,907 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420914,420927] [2022-11-23 15:50:45,907 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421063,421076] [2022-11-23 15:50:45,908 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421215,421228] [2022-11-23 15:50:45,908 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421363,421376] [2022-11-23 15:50:45,909 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421516,421529] [2022-11-23 15:50:45,909 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421667,421680] [2022-11-23 15:50:45,909 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421817,421830] [2022-11-23 15:50:45,910 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421964,421977] [2022-11-23 15:50:45,910 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422115,422128] [2022-11-23 15:50:45,911 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422266,422279] [2022-11-23 15:50:45,911 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422414,422427] [2022-11-23 15:50:45,911 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422580,422593] [2022-11-23 15:50:45,912 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422749,422762] [2022-11-23 15:50:45,912 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422916,422929] [2022-11-23 15:50:45,912 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423084,423097] [2022-11-23 15:50:45,913 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423234,423247] [2022-11-23 15:50:45,913 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423381,423394] [2022-11-23 15:50:45,914 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423542,423555] [2022-11-23 15:50:45,914 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423712,423725] [2022-11-23 15:50:45,914 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_f5a972ae-61c6-41ff-b127-1751b0596890/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423874,423887] [2022-11-23 15:50:45,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:50:46,255 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:50:46,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:46 WrapperNode [2022-11-23 15:50:46,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:50:46,257 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:50:46,258 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:50:46,258 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:50:46,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:46" (1/1) ... [2022-11-23 15:50:46,378 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:46" (1/1) ... [2022-11-23 15:50:46,616 INFO L138 Inliner]: procedures = 672, calls = 2068, calls flagged for inlining = 313, calls inlined = 225, statements flattened = 4777 [2022-11-23 15:50:46,616 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:50:46,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:50:46,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:50:46,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:50:46,630 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:46" (1/1) ... [2022-11-23 15:50:46,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:46" (1/1) ... [2022-11-23 15:50:46,651 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:46" (1/1) ... [2022-11-23 15:50:46,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:46" (1/1) ... [2022-11-23 15:50:46,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:46" (1/1) ... [2022-11-23 15:50:46,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:46" (1/1) ... [2022-11-23 15:50:46,868 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:46" (1/1) ... [2022-11-23 15:50:46,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:46" (1/1) ... [2022-11-23 15:50:46,926 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:50:46,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:50:46,928 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:50:46,928 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:50:46,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:46" (1/1) ... [2022-11-23 15:50:46,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:50:46,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:50:46,964 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:50:46,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:50:47,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-23 15:50:47,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-23 15:50:47,012 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-23 15:50:47,012 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-23 15:50:47,012 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_stats [2022-11-23 15:50:47,012 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_stats [2022-11-23 15:50:47,012 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-23 15:50:47,012 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-23 15:50:47,012 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-23 15:50:47,013 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-23 15:50:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 15:50:47,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 15:50:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-23 15:50:47,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-23 15:50:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-23 15:50:47,013 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-23 15:50:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-23 15:50:47,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-23 15:50:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-23 15:50:47,014 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-23 15:50:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-23 15:50:47,014 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-23 15:50:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-23 15:50:47,015 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-23 15:50:47,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-23 15:50:47,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-23 15:50:47,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_amd8111e_priv [2022-11-23 15:50:47,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_amd8111e_priv [2022-11-23 15:50:47,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-23 15:50:47,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-23 15:50:47,016 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-23 15:50:47,016 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-23 15:50:47,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-23 15:50:47,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-23 15:50:47,016 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-23 15:50:47,016 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-23 15:50:47,016 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-23 15:50:47,017 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-23 15:50:47,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-23 15:50:47,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-23 15:50:47,017 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-11-23 15:50:47,017 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-11-23 15:50:47,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-23 15:50:47,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-23 15:50:47,018 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-23 15:50:47,018 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-23 15:50:47,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:50:47,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-23 15:50:47,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-23 15:50:47,019 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_tx_timeout [2022-11-23 15:50:47,019 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_tx_timeout [2022-11-23 15:50:47,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-23 15:50:47,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-23 15:50:47,019 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-23 15:50:47,019 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-23 15:50:47,019 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_read [2022-11-23 15:50:47,020 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_read [2022-11-23 15:50:47,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 15:50:47,020 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_nway_reset [2022-11-23 15:50:47,020 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_nway_reset [2022-11-23 15:50:47,020 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-23 15:50:47,020 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-23 15:50:47,020 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_rx_buff_len [2022-11-23 15:50:47,021 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_rx_buff_len [2022-11-23 15:50:47,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 15:50:47,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-23 15:50:47,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-23 15:50:47,025 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_open [2022-11-23 15:50:47,026 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_open [2022-11-23 15:50:47,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-23 15:50:47,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-23 15:50:47,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-23 15:50:47,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-23 15:50:47,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:50:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-23 15:50:47,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-23 15:50:47,032 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-23 15:50:47,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-23 15:50:47,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-23 15:50:47,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-23 15:50:47,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-23 15:50:47,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-23 15:50:47,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-23 15:50:47,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-23 15:50:47,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-23 15:50:47,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-23 15:50:47,034 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-23 15:50:47,034 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-23 15:50:47,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-23 15:50:47,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-23 15:50:47,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_129 [2022-11-23 15:50:47,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_129 [2022-11-23 15:50:47,035 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-23 15:50:47,035 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-23 15:50:47,035 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_write_phy [2022-11-23 15:50:47,035 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_write_phy [2022-11-23 15:50:47,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-23 15:50:47,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-23 15:50:47,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 15:50:47,035 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_phy [2022-11-23 15:50:47,036 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_phy [2022-11-23 15:50:47,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-23 15:50:47,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-23 15:50:47,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:50:47,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-23 15:50:47,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-23 15:50:47,036 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-23 15:50:47,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-23 15:50:47,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 15:50:47,037 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 15:50:47,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 15:50:47,038 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-23 15:50:47,038 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-23 15:50:47,038 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_remove_one [2022-11-23 15:50:47,038 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_remove_one [2022-11-23 15:50:47,038 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-11-23 15:50:47,038 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-11-23 15:50:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-23 15:50:47,039 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-23 15:50:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_free_skbs [2022-11-23 15:50:47,039 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_free_skbs [2022-11-23 15:50:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-23 15:50:47,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-23 15:50:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-23 15:50:47,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-23 15:50:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-23 15:50:47,040 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-23 15:50:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-23 15:50:47,040 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-23 15:50:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-23 15:50:47,040 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-23 15:50:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-11-23 15:50:47,041 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-11-23 15:50:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:50:47,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:50:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_close [2022-11-23 15:50:47,041 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_close [2022-11-23 15:50:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 15:50:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 15:50:47,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 15:50:47,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 15:50:47,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-23 15:50:47,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-23 15:50:47,042 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-23 15:50:47,042 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-23 15:50:47,042 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_write [2022-11-23 15:50:47,042 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_write [2022-11-23 15:50:47,043 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_mib [2022-11-23 15:50:47,043 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_mib [2022-11-23 15:50:47,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-23 15:50:47,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-23 15:50:47,043 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_interrupt [2022-11-23 15:50:47,044 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_interrupt [2022-11-23 15:50:47,044 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-23 15:50:47,044 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-23 15:50:47,044 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_coalesce [2022-11-23 15:50:47,044 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_coalesce [2022-11-23 15:50:47,044 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-23 15:50:47,044 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-23 15:50:47,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_122 [2022-11-23 15:50:47,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_122 [2022-11-23 15:50:47,045 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-23 15:50:47,045 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-23 15:50:47,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-23 15:50:47,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-23 15:50:47,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-23 15:50:47,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-23 15:50:47,046 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-23 15:50:47,046 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-23 15:50:47,046 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-23 15:50:47,046 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-23 15:50:47,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:50:47,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-23 15:50:47,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-23 15:50:47,046 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-23 15:50:47,047 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-23 15:50:47,047 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-23 15:50:47,047 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-23 15:50:47,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 15:50:47,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_amd8111e_priv [2022-11-23 15:50:47,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_amd8111e_priv [2022-11-23 15:50:47,047 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_disable_interrupt [2022-11-23 15:50:47,048 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_disable_interrupt [2022-11-23 15:50:47,048 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-23 15:50:47,048 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-23 15:50:47,048 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_multicast_list [2022-11-23 15:50:47,048 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_multicast_list [2022-11-23 15:50:47,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 15:50:47,048 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_resume [2022-11-23 15:50:47,048 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_resume [2022-11-23 15:50:47,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-23 15:50:47,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-23 15:50:47,051 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-23 15:50:47,051 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-23 15:50:47,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-23 15:50:47,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-23 15:50:47,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-23 15:50:47,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-23 15:50:47,055 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_restart [2022-11-23 15:50:47,056 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_restart [2022-11-23 15:50:47,056 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-23 15:50:47,057 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-23 15:50:47,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-23 15:50:47,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-23 15:50:47,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-23 15:50:47,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-23 15:50:47,057 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-23 15:50:47,058 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-23 15:50:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-23 15:50:47,058 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-23 15:50:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-23 15:50:47,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-23 15:50:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-23 15:50:47,058 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-23 15:50:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-23 15:50:47,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-23 15:50:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:50:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-23 15:50:47,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-23 15:50:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 15:50:47,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 15:50:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_stop_chip [2022-11-23 15:50:47,060 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_stop_chip [2022-11-23 15:50:47,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-23 15:50:47,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-23 15:50:47,060 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_poll [2022-11-23 15:50:47,060 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_poll [2022-11-23 15:50:47,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-23 15:50:47,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-23 15:50:47,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-23 15:50:47,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-23 15:50:47,061 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-23 15:50:47,061 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-23 15:50:47,061 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_regs_len [2022-11-23 15:50:47,061 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_regs_len [2022-11-23 15:50:47,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_127 [2022-11-23 15:50:47,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_127 [2022-11-23 15:50:47,062 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-23 15:50:47,062 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-23 15:50:47,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:50:47,883 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:50:47,887 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:50:48,697 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 15:50:51,372 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:50:52,440 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:50:52,441 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-23 15:50:52,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:50:52 BoogieIcfgContainer [2022-11-23 15:50:52,449 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:50:52,452 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:50:52,452 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:50:52,455 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:50:52,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:50:40" (1/3) ... [2022-11-23 15:50:52,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1671df28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:50:52, skipping insertion in model container [2022-11-23 15:50:52,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:46" (2/3) ... [2022-11-23 15:50:52,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1671df28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:50:52, skipping insertion in model container [2022-11-23 15:50:52,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:50:52" (3/3) ... [2022-11-23 15:50:52,460 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i [2022-11-23 15:50:52,481 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:50:52,481 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 27 error locations. [2022-11-23 15:50:52,586 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:50:52,597 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;@f77f40, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:50:52,598 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2022-11-23 15:50:52,609 INFO L276 IsEmpty]: Start isEmpty. Operand has 1431 states, 780 states have (on average 1.2897435897435898) internal successors, (1006), 843 states have internal predecessors, (1006), 512 states have call successors, (512), 112 states have call predecessors, (512), 111 states have return successors, (508), 499 states have call predecessors, (508), 508 states have call successors, (508) [2022-11-23 15:50:52,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-23 15:50:52,618 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:50:52,619 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-23 15:50:52,620 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-23 15:50:52,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:50:52,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1024219993, now seen corresponding path program 1 times [2022-11-23 15:50:52,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:50:52,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520296361] [2022-11-23 15:50:52,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:50:52,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:50:52,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:50:53,491 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:50:53,492 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:50:53,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520296361] [2022-11-23 15:50:53,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520296361] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:50:53,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:50:53,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:50:53,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816510326] [2022-11-23 15:50:53,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:50:53,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:50:53,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:50:53,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:50:53,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:50:53,546 INFO L87 Difference]: Start difference. First operand has 1431 states, 780 states have (on average 1.2897435897435898) internal successors, (1006), 843 states have internal predecessors, (1006), 512 states have call successors, (512), 112 states have call predecessors, (512), 111 states have return successors, (508), 499 states have call predecessors, (508), 508 states have call successors, (508) Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 15:50:55,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:50:55,823 INFO L93 Difference]: Finished difference Result 2836 states and 4119 transitions. [2022-11-23 15:50:55,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:50:55,826 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 47 [2022-11-23 15:50:55,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:50:55,863 INFO L225 Difference]: With dead ends: 2836 [2022-11-23 15:50:55,864 INFO L226 Difference]: Without dead ends: 1416 [2022-11-23 15:50:55,883 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 15:50:55,892 INFO L413 NwaCegarLoop]: 1757 mSDtfsCounter, 1974 mSDsluCounter, 1757 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1976 SdHoareTripleChecker+Valid, 3514 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:50:55,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1976 Valid, 3514 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 471 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-23 15:50:55,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1416 states. [2022-11-23 15:50:56,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1416 to 1416. [2022-11-23 15:50:56,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1416 states, 772 states have (on average 1.25) internal successors, (965), 832 states have internal predecessors, (965), 508 states have call successors, (508), 111 states have call predecessors, (508), 110 states have return successors, (506), 497 states have call predecessors, (506), 506 states have call successors, (506) [2022-11-23 15:50:56,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1416 states and 1979 transitions. [2022-11-23 15:50:56,173 INFO L78 Accepts]: Start accepts. Automaton has 1416 states and 1979 transitions. Word has length 47 [2022-11-23 15:50:56,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:50:56,175 INFO L495 AbstractCegarLoop]: Abstraction has 1416 states and 1979 transitions. [2022-11-23 15:50:56,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 15:50:56,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 1979 transitions. [2022-11-23 15:50:56,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-23 15:50:56,179 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:50:56,179 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:50:56,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:50:56,180 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-23 15:50:56,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:50:56,181 INFO L85 PathProgramCache]: Analyzing trace with hash 408805170, now seen corresponding path program 1 times [2022-11-23 15:50:56,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:50:56,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763409367] [2022-11-23 15:50:56,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:50:56,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:50:56,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:50:56,639 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:50:56,639 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:50:56,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763409367] [2022-11-23 15:50:56,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763409367] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:50:56,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:50:56,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:50:56,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680875164] [2022-11-23 15:50:56,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:50:56,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:50:56,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:50:56,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:50:56,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:50:56,643 INFO L87 Difference]: Start difference. First operand 1416 states and 1979 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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 15:50:58,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:50:58,516 INFO L93 Difference]: Finished difference Result 1416 states and 1979 transitions. [2022-11-23 15:50:58,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:50:58,517 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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 52 [2022-11-23 15:50:58,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:50:58,525 INFO L225 Difference]: With dead ends: 1416 [2022-11-23 15:50:58,525 INFO L226 Difference]: Without dead ends: 1414 [2022-11-23 15:50:58,526 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 15:50:58,527 INFO L413 NwaCegarLoop]: 1741 mSDtfsCounter, 1956 mSDsluCounter, 1741 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1958 SdHoareTripleChecker+Valid, 3482 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:50:58,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1958 Valid, 3482 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-23 15:50:58,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1414 states. [2022-11-23 15:50:58,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1414 to 1414. [2022-11-23 15:50:58,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1414 states, 771 states have (on average 1.2490272373540856) internal successors, (963), 830 states have internal predecessors, (963), 508 states have call successors, (508), 111 states have call predecessors, (508), 110 states have return successors, (506), 497 states have call predecessors, (506), 506 states have call successors, (506) [2022-11-23 15:50:58,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1414 states and 1977 transitions. [2022-11-23 15:50:58,620 INFO L78 Accepts]: Start accepts. Automaton has 1414 states and 1977 transitions. Word has length 52 [2022-11-23 15:50:58,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:50:58,620 INFO L495 AbstractCegarLoop]: Abstraction has 1414 states and 1977 transitions. [2022-11-23 15:50:58,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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 15:50:58,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 1977 transitions. [2022-11-23 15:50:58,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-23 15:50:58,623 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:50:58,623 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-23 15:50:58,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:50:58,624 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-23 15:50:58,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:50:58,624 INFO L85 PathProgramCache]: Analyzing trace with hash 611564633, now seen corresponding path program 1 times [2022-11-23 15:50:58,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:50:58,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792564570] [2022-11-23 15:50:58,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:50:58,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:50:58,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:50:59,025 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:50:59,025 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:50:59,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792564570] [2022-11-23 15:50:59,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792564570] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:50:59,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:50:59,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:50:59,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48010221] [2022-11-23 15:50:59,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:50:59,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:50:59,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:50:59,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:50:59,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:50:59,028 INFO L87 Difference]: Start difference. First operand 1414 states and 1977 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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 15:51:01,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:51:01,039 INFO L93 Difference]: Finished difference Result 1414 states and 1977 transitions. [2022-11-23 15:51:01,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:51:01,040 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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 57 [2022-11-23 15:51:01,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:51:01,049 INFO L225 Difference]: With dead ends: 1414 [2022-11-23 15:51:01,050 INFO L226 Difference]: Without dead ends: 1412 [2022-11-23 15:51:01,053 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 15:51:01,056 INFO L413 NwaCegarLoop]: 1739 mSDtfsCounter, 1953 mSDsluCounter, 1739 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1955 SdHoareTripleChecker+Valid, 3478 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:51:01,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1955 Valid, 3478 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-23 15:51:01,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1412 states. [2022-11-23 15:51:01,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1412 to 1412. [2022-11-23 15:51:01,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1412 states, 770 states have (on average 1.248051948051948) internal successors, (961), 828 states have internal predecessors, (961), 508 states have call successors, (508), 111 states have call predecessors, (508), 110 states have return successors, (506), 497 states have call predecessors, (506), 506 states have call successors, (506) [2022-11-23 15:51:01,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1412 states to 1412 states and 1975 transitions. [2022-11-23 15:51:01,244 INFO L78 Accepts]: Start accepts. Automaton has 1412 states and 1975 transitions. Word has length 57 [2022-11-23 15:51:01,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:51:01,245 INFO L495 AbstractCegarLoop]: Abstraction has 1412 states and 1975 transitions. [2022-11-23 15:51:01,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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 15:51:01,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1412 states and 1975 transitions. [2022-11-23 15:51:01,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-23 15:51:01,247 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:51:01,247 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:51:01,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 15:51:01,248 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-23 15:51:01,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:51:01,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1666264813, now seen corresponding path program 1 times [2022-11-23 15:51:01,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:51:01,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024492748] [2022-11-23 15:51:01,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:51:01,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:51:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:51:01,528 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:51:01,528 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:51:01,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024492748] [2022-11-23 15:51:01,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024492748] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:51:01,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:51:01,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:51:01,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603772997] [2022-11-23 15:51:01,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:51:01,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:51:01,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:51:01,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:51:01,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:51:01,531 INFO L87 Difference]: Start difference. First operand 1412 states and 1975 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 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 15:51:03,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:51:03,889 INFO L93 Difference]: Finished difference Result 1412 states and 1975 transitions. [2022-11-23 15:51:03,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:51:03,890 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 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 62 [2022-11-23 15:51:03,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:51:03,899 INFO L225 Difference]: With dead ends: 1412 [2022-11-23 15:51:03,899 INFO L226 Difference]: Without dead ends: 1410 [2022-11-23 15:51:03,900 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 15:51:03,901 INFO L413 NwaCegarLoop]: 1737 mSDtfsCounter, 1950 mSDsluCounter, 1737 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1952 SdHoareTripleChecker+Valid, 3474 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:51:03,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1952 Valid, 3474 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-23 15:51:03,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1410 states. [2022-11-23 15:51:03,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1410 to 1410. [2022-11-23 15:51:03,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1410 states, 769 states have (on average 1.247074122236671) internal successors, (959), 826 states have internal predecessors, (959), 508 states have call successors, (508), 111 states have call predecessors, (508), 110 states have return successors, (506), 497 states have call predecessors, (506), 506 states have call successors, (506) [2022-11-23 15:51:04,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1410 states to 1410 states and 1973 transitions. [2022-11-23 15:51:04,009 INFO L78 Accepts]: Start accepts. Automaton has 1410 states and 1973 transitions. Word has length 62 [2022-11-23 15:51:04,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:51:04,010 INFO L495 AbstractCegarLoop]: Abstraction has 1410 states and 1973 transitions. [2022-11-23 15:51:04,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 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 15:51:04,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1410 states and 1973 transitions. [2022-11-23 15:51:04,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-23 15:51:04,016 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:51:04,016 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:51:04,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 15:51:04,017 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-23 15:51:04,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:51:04,017 INFO L85 PathProgramCache]: Analyzing trace with hash 2065283731, now seen corresponding path program 1 times [2022-11-23 15:51:04,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:51:04,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912138165] [2022-11-23 15:51:04,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:51:04,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:51:04,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:51:04,398 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:51:04,398 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:51:04,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912138165] [2022-11-23 15:51:04,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912138165] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:51:04,399 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:51:04,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:51:04,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603763070] [2022-11-23 15:51:04,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:51:04,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:51:04,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:51:04,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:51:04,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:51:04,402 INFO L87 Difference]: Start difference. First operand 1410 states and 1973 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 15:51:06,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:51:06,414 INFO L93 Difference]: Finished difference Result 1410 states and 1973 transitions. [2022-11-23 15:51:06,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:51:06,415 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 67 [2022-11-23 15:51:06,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:51:06,424 INFO L225 Difference]: With dead ends: 1410 [2022-11-23 15:51:06,424 INFO L226 Difference]: Without dead ends: 1408 [2022-11-23 15:51:06,426 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 15:51:06,427 INFO L413 NwaCegarLoop]: 1735 mSDtfsCounter, 1947 mSDsluCounter, 1735 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1949 SdHoareTripleChecker+Valid, 3470 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:51:06,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1949 Valid, 3470 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-23 15:51:06,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1408 states. [2022-11-23 15:51:06,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1408 to 1408. [2022-11-23 15:51:06,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1408 states, 768 states have (on average 1.24609375) internal successors, (957), 824 states have internal predecessors, (957), 508 states have call successors, (508), 111 states have call predecessors, (508), 110 states have return successors, (506), 497 states have call predecessors, (506), 506 states have call successors, (506) [2022-11-23 15:51:06,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 1408 states and 1971 transitions. [2022-11-23 15:51:06,543 INFO L78 Accepts]: Start accepts. Automaton has 1408 states and 1971 transitions. Word has length 67 [2022-11-23 15:51:06,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:51:06,545 INFO L495 AbstractCegarLoop]: Abstraction has 1408 states and 1971 transitions. [2022-11-23 15:51:06,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 15:51:06,545 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 1971 transitions. [2022-11-23 15:51:06,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-23 15:51:06,547 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:51:06,547 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:51:06,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 15:51:06,548 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-23 15:51:06,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:51:06,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1437760197, now seen corresponding path program 1 times [2022-11-23 15:51:06,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:51:06,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311701743] [2022-11-23 15:51:06,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:51:06,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:51:06,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:51:06,916 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:51:06,917 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:51:06,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311701743] [2022-11-23 15:51:06,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311701743] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:51:06,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:51:06,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:51:06,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078503636] [2022-11-23 15:51:06,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:51:06,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:51:06,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:51:06,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:51:06,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:51:06,919 INFO L87 Difference]: Start difference. First operand 1408 states and 1971 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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 15:51:09,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:51:09,228 INFO L93 Difference]: Finished difference Result 1408 states and 1971 transitions. [2022-11-23 15:51:09,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:51:09,229 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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 72 [2022-11-23 15:51:09,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:51:09,238 INFO L225 Difference]: With dead ends: 1408 [2022-11-23 15:51:09,238 INFO L226 Difference]: Without dead ends: 1406 [2022-11-23 15:51:09,240 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 15:51:09,241 INFO L413 NwaCegarLoop]: 1733 mSDtfsCounter, 1944 mSDsluCounter, 1733 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1946 SdHoareTripleChecker+Valid, 3466 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:51:09,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1946 Valid, 3466 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-23 15:51:09,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1406 states. [2022-11-23 15:51:09,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1406 to 1406. [2022-11-23 15:51:09,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1406 states, 767 states have (on average 1.245110821382008) internal successors, (955), 822 states have internal predecessors, (955), 508 states have call successors, (508), 111 states have call predecessors, (508), 110 states have return successors, (506), 497 states have call predecessors, (506), 506 states have call successors, (506) [2022-11-23 15:51:09,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1406 states and 1969 transitions. [2022-11-23 15:51:09,419 INFO L78 Accepts]: Start accepts. Automaton has 1406 states and 1969 transitions. Word has length 72 [2022-11-23 15:51:09,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:51:09,420 INFO L495 AbstractCegarLoop]: Abstraction has 1406 states and 1969 transitions. [2022-11-23 15:51:09,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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 15:51:09,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 1969 transitions. [2022-11-23 15:51:09,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-23 15:51:09,424 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:51:09,424 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-23 15:51:09,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 15:51:09,424 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-23 15:51:09,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:51:09,425 INFO L85 PathProgramCache]: Analyzing trace with hash -877841044, now seen corresponding path program 1 times [2022-11-23 15:51:09,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:51:09,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966497876] [2022-11-23 15:51:09,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:51:09,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:51:09,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:51:09,757 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-23 15:51:09,757 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:51:09,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966497876] [2022-11-23 15:51:09,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966497876] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:51:09,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:51:09,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:51:09,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502631223] [2022-11-23 15:51:09,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:51:09,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:51:09,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:51:09,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:51:09,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:51:09,761 INFO L87 Difference]: Start difference. First operand 1406 states and 1969 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-23 15:51:12,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:51:12,006 INFO L93 Difference]: Finished difference Result 3534 states and 4935 transitions. [2022-11-23 15:51:12,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:51:12,007 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 85 [2022-11-23 15:51:12,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:51:12,023 INFO L225 Difference]: With dead ends: 3534 [2022-11-23 15:51:12,023 INFO L226 Difference]: Without dead ends: 2146 [2022-11-23 15:51:12,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 15:51:12,031 INFO L413 NwaCegarLoop]: 2188 mSDtfsCounter, 1669 mSDsluCounter, 1155 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1669 SdHoareTripleChecker+Valid, 3343 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:51:12,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1669 Valid, 3343 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-23 15:51:12,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2146 states. [2022-11-23 15:51:12,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2146 to 2136. [2022-11-23 15:51:12,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2136 states, 1155 states have (on average 1.2415584415584415) internal successors, (1434), 1228 states have internal predecessors, (1434), 777 states have call successors, (777), 184 states have call predecessors, (777), 183 states have return successors, (775), 761 states have call predecessors, (775), 775 states have call successors, (775) [2022-11-23 15:51:12,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2136 states to 2136 states and 2986 transitions. [2022-11-23 15:51:12,239 INFO L78 Accepts]: Start accepts. Automaton has 2136 states and 2986 transitions. Word has length 85 [2022-11-23 15:51:12,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:51:12,239 INFO L495 AbstractCegarLoop]: Abstraction has 2136 states and 2986 transitions. [2022-11-23 15:51:12,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-23 15:51:12,240 INFO L276 IsEmpty]: Start isEmpty. Operand 2136 states and 2986 transitions. [2022-11-23 15:51:12,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-23 15:51:12,247 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:51:12,248 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:51:12,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 15:51:12,248 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-23 15:51:12,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:51:12,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1261071933, now seen corresponding path program 1 times [2022-11-23 15:51:12,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:51:12,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22951873] [2022-11-23 15:51:12,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:51:12,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:51:12,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:51:12,545 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:51:12,546 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:51:12,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22951873] [2022-11-23 15:51:12,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22951873] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:51:12,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:51:12,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:51:12,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792409894] [2022-11-23 15:51:12,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:51:12,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:51:12,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:51:12,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:51:12,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:51:12,549 INFO L87 Difference]: Start difference. First operand 2136 states and 2986 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 15:51:15,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:51:15,292 INFO L93 Difference]: Finished difference Result 2136 states and 2986 transitions. [2022-11-23 15:51:15,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:51:15,293 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 77 [2022-11-23 15:51:15,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:51:15,304 INFO L225 Difference]: With dead ends: 2136 [2022-11-23 15:51:15,305 INFO L226 Difference]: Without dead ends: 2134 [2022-11-23 15:51:15,306 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 15:51:15,307 INFO L413 NwaCegarLoop]: 1731 mSDtfsCounter, 1941 mSDsluCounter, 1731 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1943 SdHoareTripleChecker+Valid, 3462 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:51:15,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1943 Valid, 3462 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-23 15:51:15,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2134 states. [2022-11-23 15:51:15,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2134 to 2134. [2022-11-23 15:51:15,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2134 states, 1154 states have (on average 1.240901213171577) internal successors, (1432), 1226 states have internal predecessors, (1432), 777 states have call successors, (777), 184 states have call predecessors, (777), 183 states have return successors, (775), 761 states have call predecessors, (775), 775 states have call successors, (775) [2022-11-23 15:51:15,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2134 states to 2134 states and 2984 transitions. [2022-11-23 15:51:15,536 INFO L78 Accepts]: Start accepts. Automaton has 2134 states and 2984 transitions. Word has length 77 [2022-11-23 15:51:15,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:51:15,537 INFO L495 AbstractCegarLoop]: Abstraction has 2134 states and 2984 transitions. [2022-11-23 15:51:15,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 15:51:15,538 INFO L276 IsEmpty]: Start isEmpty. Operand 2134 states and 2984 transitions. [2022-11-23 15:51:15,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-23 15:51:15,540 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:51:15,540 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:51:15,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 15:51:15,541 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-23 15:51:15,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:51:15,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1472618912, now seen corresponding path program 1 times [2022-11-23 15:51:15,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:51:15,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996519831] [2022-11-23 15:51:15,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:51:15,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:51:15,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:51:15,803 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-11-23 15:51:15,803 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:51:15,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996519831] [2022-11-23 15:51:15,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996519831] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:51:15,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883889327] [2022-11-23 15:51:15,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:51:15,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:51:15,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:51:15,811 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:51:15,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 15:51:16,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:51:16,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 1676 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 15:51:16,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:51:16,749 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-23 15:51:16,749 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:51:16,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [883889327] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:51:16,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:51:16,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-11-23 15:51:16,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803050231] [2022-11-23 15:51:16,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:51:16,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:51:16,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:51:16,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:51:16,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-23 15:51:16,752 INFO L87 Difference]: Start difference. First operand 2134 states and 2984 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-23 15:51:17,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:51:17,997 INFO L93 Difference]: Finished difference Result 4246 states and 5936 transitions. [2022-11-23 15:51:17,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:51:17,998 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 90 [2022-11-23 15:51:17,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:51:18,012 INFO L225 Difference]: With dead ends: 4246 [2022-11-23 15:51:18,012 INFO L226 Difference]: Without dead ends: 2130 [2022-11-23 15:51:18,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-23 15:51:18,023 INFO L413 NwaCegarLoop]: 1727 mSDtfsCounter, 1951 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1951 SdHoareTripleChecker+Valid, 1727 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:51:18,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1951 Valid, 1727 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-23 15:51:18,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2130 states. [2022-11-23 15:51:18,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2130 to 2130. [2022-11-23 15:51:18,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2130 states, 1151 states have (on average 1.2397914856646395) internal successors, (1427), 1222 states have internal predecessors, (1427), 777 states have call successors, (777), 184 states have call predecessors, (777), 183 states have return successors, (775), 761 states have call predecessors, (775), 775 states have call successors, (775) [2022-11-23 15:51:18,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2130 states to 2130 states and 2979 transitions. [2022-11-23 15:51:18,250 INFO L78 Accepts]: Start accepts. Automaton has 2130 states and 2979 transitions. Word has length 90 [2022-11-23 15:51:18,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:51:18,251 INFO L495 AbstractCegarLoop]: Abstraction has 2130 states and 2979 transitions. [2022-11-23 15:51:18,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-23 15:51:18,251 INFO L276 IsEmpty]: Start isEmpty. Operand 2130 states and 2979 transitions. [2022-11-23 15:51:18,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-23 15:51:18,253 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:51:18,254 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:51:18,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 15:51:18,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:51:18,463 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-23 15:51:18,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:51:18,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1945164936, now seen corresponding path program 1 times [2022-11-23 15:51:18,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:51:18,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595109138] [2022-11-23 15:51:18,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:51:18,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:51:18,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:51:18,771 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:51:18,771 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:51:18,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595109138] [2022-11-23 15:51:18,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595109138] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:51:18,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:51:18,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:51:18,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143109038] [2022-11-23 15:51:18,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:51:18,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:51:18,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:51:18,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:51:18,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:51:18,774 INFO L87 Difference]: Start difference. First operand 2130 states and 2979 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, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-23 15:51:20,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:51:20,888 INFO L93 Difference]: Finished difference Result 2130 states and 2979 transitions. [2022-11-23 15:51:20,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:51:20,889 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, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 82 [2022-11-23 15:51:20,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:51:20,901 INFO L225 Difference]: With dead ends: 2130 [2022-11-23 15:51:20,901 INFO L226 Difference]: Without dead ends: 2128 [2022-11-23 15:51:20,903 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 15:51:20,904 INFO L413 NwaCegarLoop]: 1724 mSDtfsCounter, 1937 mSDsluCounter, 1720 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1939 SdHoareTripleChecker+Valid, 3444 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:51:20,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1939 Valid, 3444 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-23 15:51:20,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2128 states. [2022-11-23 15:51:21,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2128 to 2128. [2022-11-23 15:51:21,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2128 states, 1150 states have (on average 1.2391304347826086) internal successors, (1425), 1220 states have internal predecessors, (1425), 777 states have call successors, (777), 184 states have call predecessors, (777), 183 states have return successors, (775), 761 states have call predecessors, (775), 775 states have call successors, (775) [2022-11-23 15:51:21,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2128 states to 2128 states and 2977 transitions. [2022-11-23 15:51:21,319 INFO L78 Accepts]: Start accepts. Automaton has 2128 states and 2977 transitions. Word has length 82 [2022-11-23 15:51:21,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:51:21,320 INFO L495 AbstractCegarLoop]: Abstraction has 2128 states and 2977 transitions. [2022-11-23 15:51:21,320 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, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-23 15:51:21,320 INFO L276 IsEmpty]: Start isEmpty. Operand 2128 states and 2977 transitions. [2022-11-23 15:51:21,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-23 15:51:21,322 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:51:21,322 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:51:21,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-23 15:51:21,322 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-23 15:51:21,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:51:21,323 INFO L85 PathProgramCache]: Analyzing trace with hash 992877195, now seen corresponding path program 1 times [2022-11-23 15:51:21,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:51:21,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221315436] [2022-11-23 15:51:21,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:51:21,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:51:21,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:51:21,583 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:51:21,583 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:51:21,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221315436] [2022-11-23 15:51:21,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221315436] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:51:21,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:51:21,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:51:21,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256004497] [2022-11-23 15:51:21,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:51:21,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:51:21,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:51:21,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:51:21,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:51:21,585 INFO L87 Difference]: Start difference. First operand 2128 states and 2977 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-23 15:51:23,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:51:23,797 INFO L93 Difference]: Finished difference Result 2128 states and 2977 transitions. [2022-11-23 15:51:23,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:51:23,798 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 84 [2022-11-23 15:51:23,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:51:23,812 INFO L225 Difference]: With dead ends: 2128 [2022-11-23 15:51:23,812 INFO L226 Difference]: Without dead ends: 2126 [2022-11-23 15:51:23,814 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 15:51:23,815 INFO L413 NwaCegarLoop]: 1722 mSDtfsCounter, 1929 mSDsluCounter, 1722 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1931 SdHoareTripleChecker+Valid, 3444 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:51:23,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1931 Valid, 3444 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-23 15:51:23,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2126 states. [2022-11-23 15:51:24,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2126 to 2126. [2022-11-23 15:51:24,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2126 states, 1149 states have (on average 1.238468233246301) internal successors, (1423), 1218 states have internal predecessors, (1423), 777 states have call successors, (777), 184 states have call predecessors, (777), 183 states have return successors, (775), 761 states have call predecessors, (775), 775 states have call successors, (775) [2022-11-23 15:51:24,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2126 states to 2126 states and 2975 transitions. [2022-11-23 15:51:24,103 INFO L78 Accepts]: Start accepts. Automaton has 2126 states and 2975 transitions. Word has length 84 [2022-11-23 15:51:24,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:51:24,105 INFO L495 AbstractCegarLoop]: Abstraction has 2126 states and 2975 transitions. [2022-11-23 15:51:24,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-23 15:51:24,106 INFO L276 IsEmpty]: Start isEmpty. Operand 2126 states and 2975 transitions. [2022-11-23 15:51:24,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-23 15:51:24,107 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:51:24,107 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:51:24,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-23 15:51:24,108 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-23 15:51:24,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:51:24,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1375709097, now seen corresponding path program 1 times [2022-11-23 15:51:24,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:51:24,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431335372] [2022-11-23 15:51:24,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:51:24,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:51:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:51:24,375 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:51:24,375 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:51:24,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431335372] [2022-11-23 15:51:24,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431335372] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:51:24,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:51:24,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:51:24,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749932772] [2022-11-23 15:51:24,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:51:24,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:51:24,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:51:24,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:51:24,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:51:24,378 INFO L87 Difference]: Start difference. First operand 2126 states and 2975 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-23 15:51:26,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:51:26,810 INFO L93 Difference]: Finished difference Result 2126 states and 2975 transitions. [2022-11-23 15:51:26,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:51:26,811 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 89 [2022-11-23 15:51:26,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:51:26,824 INFO L225 Difference]: With dead ends: 2126 [2022-11-23 15:51:26,824 INFO L226 Difference]: Without dead ends: 2124 [2022-11-23 15:51:26,826 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 15:51:26,827 INFO L413 NwaCegarLoop]: 1720 mSDtfsCounter, 1928 mSDsluCounter, 1720 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1930 SdHoareTripleChecker+Valid, 3440 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:51:26,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1930 Valid, 3440 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-23 15:51:26,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2124 states. [2022-11-23 15:51:27,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2124 to 2124. [2022-11-23 15:51:27,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2124 states, 1148 states have (on average 1.2378048780487805) internal successors, (1421), 1216 states have internal predecessors, (1421), 777 states have call successors, (777), 184 states have call predecessors, (777), 183 states have return successors, (775), 761 states have call predecessors, (775), 775 states have call successors, (775) [2022-11-23 15:51:27,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2124 states to 2124 states and 2973 transitions. [2022-11-23 15:51:27,080 INFO L78 Accepts]: Start accepts. Automaton has 2124 states and 2973 transitions. Word has length 89 [2022-11-23 15:51:27,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:51:27,081 INFO L495 AbstractCegarLoop]: Abstraction has 2124 states and 2973 transitions. [2022-11-23 15:51:27,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-23 15:51:27,082 INFO L276 IsEmpty]: Start isEmpty. Operand 2124 states and 2973 transitions. [2022-11-23 15:51:27,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-23 15:51:27,083 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:51:27,083 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:51:27,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-23 15:51:27,084 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-23 15:51:27,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:51:27,084 INFO L85 PathProgramCache]: Analyzing trace with hash 634149036, now seen corresponding path program 1 times [2022-11-23 15:51:27,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:51:27,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122204016] [2022-11-23 15:51:27,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:51:27,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:51:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:51:27,397 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:51:27,397 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:51:27,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122204016] [2022-11-23 15:51:27,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122204016] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:51:27,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:51:27,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:51:27,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050323289] [2022-11-23 15:51:27,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:51:27,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:51:27,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:51:27,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:51:27,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:51:27,400 INFO L87 Difference]: Start difference. First operand 2124 states and 2973 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-23 15:51:30,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:51:30,189 INFO L93 Difference]: Finished difference Result 2124 states and 2973 transitions. [2022-11-23 15:51:30,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:51:30,190 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 94 [2022-11-23 15:51:30,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:51:30,202 INFO L225 Difference]: With dead ends: 2124 [2022-11-23 15:51:30,202 INFO L226 Difference]: Without dead ends: 2122 [2022-11-23 15:51:30,204 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 15:51:30,204 INFO L413 NwaCegarLoop]: 1718 mSDtfsCounter, 1925 mSDsluCounter, 1718 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1927 SdHoareTripleChecker+Valid, 3436 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:51:30,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1927 Valid, 3436 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-23 15:51:30,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2122 states. [2022-11-23 15:51:30,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2122 to 2122. [2022-11-23 15:51:30,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2122 states, 1147 states have (on average 1.2371403661726241) internal successors, (1419), 1214 states have internal predecessors, (1419), 777 states have call successors, (777), 184 states have call predecessors, (777), 183 states have return successors, (775), 761 states have call predecessors, (775), 775 states have call successors, (775) [2022-11-23 15:51:30,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2122 states to 2122 states and 2971 transitions. [2022-11-23 15:51:30,466 INFO L78 Accepts]: Start accepts. Automaton has 2122 states and 2971 transitions. Word has length 94 [2022-11-23 15:51:30,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:51:30,466 INFO L495 AbstractCegarLoop]: Abstraction has 2122 states and 2971 transitions. [2022-11-23 15:51:30,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-23 15:51:30,467 INFO L276 IsEmpty]: Start isEmpty. Operand 2122 states and 2971 transitions. [2022-11-23 15:51:30,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-23 15:51:30,468 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:51:30,468 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:51:30,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-23 15:51:30,469 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-23 15:51:30,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:51:30,469 INFO L85 PathProgramCache]: Analyzing trace with hash 848021090, now seen corresponding path program 1 times [2022-11-23 15:51:30,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:51:30,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207299229] [2022-11-23 15:51:30,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:51:30,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:51:30,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:51:30,779 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:51:30,779 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:51:30,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207299229] [2022-11-23 15:51:30,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207299229] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:51:30,780 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:51:30,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:51:30,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793698465] [2022-11-23 15:51:30,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:51:30,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:51:30,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:51:30,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:51:30,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:51:30,782 INFO L87 Difference]: Start difference. First operand 2122 states and 2971 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-23 15:51:33,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:51:33,280 INFO L93 Difference]: Finished difference Result 2122 states and 2971 transitions. [2022-11-23 15:51:33,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:51:33,281 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 99 [2022-11-23 15:51:33,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:51:33,293 INFO L225 Difference]: With dead ends: 2122 [2022-11-23 15:51:33,294 INFO L226 Difference]: Without dead ends: 2120 [2022-11-23 15:51:33,295 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 15:51:33,296 INFO L413 NwaCegarLoop]: 1716 mSDtfsCounter, 1922 mSDsluCounter, 1716 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1924 SdHoareTripleChecker+Valid, 3432 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:51:33,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1924 Valid, 3432 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-23 15:51:33,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2120 states. [2022-11-23 15:51:33,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2120 to 2120. [2022-11-23 15:51:33,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2120 states, 1146 states have (on average 1.236474694589878) internal successors, (1417), 1212 states have internal predecessors, (1417), 777 states have call successors, (777), 184 states have call predecessors, (777), 183 states have return successors, (775), 761 states have call predecessors, (775), 775 states have call successors, (775) [2022-11-23 15:51:33,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2120 states to 2120 states and 2969 transitions. [2022-11-23 15:51:33,566 INFO L78 Accepts]: Start accepts. Automaton has 2120 states and 2969 transitions. Word has length 99 [2022-11-23 15:51:33,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:51:33,567 INFO L495 AbstractCegarLoop]: Abstraction has 2120 states and 2969 transitions. [2022-11-23 15:51:33,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-23 15:51:33,567 INFO L276 IsEmpty]: Start isEmpty. Operand 2120 states and 2969 transitions. [2022-11-23 15:51:33,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-23 15:51:33,569 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:51:33,569 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:51:33,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-23 15:51:33,570 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-23 15:51:33,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:51:33,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1378832827, now seen corresponding path program 1 times [2022-11-23 15:51:33,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:51:33,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104455867] [2022-11-23 15:51:33,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:51:33,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:51:33,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:51:33,940 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:51:33,940 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:51:33,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104455867] [2022-11-23 15:51:33,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104455867] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:51:33,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:51:33,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:51:33,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726223254] [2022-11-23 15:51:33,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:51:33,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:51:33,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:51:33,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:51:33,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:51:33,946 INFO L87 Difference]: Start difference. First operand 2120 states and 2969 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-23 15:51:36,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:51:36,504 INFO L93 Difference]: Finished difference Result 2120 states and 2969 transitions. [2022-11-23 15:51:36,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:51:36,505 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 104 [2022-11-23 15:51:36,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:51:36,517 INFO L225 Difference]: With dead ends: 2120 [2022-11-23 15:51:36,518 INFO L226 Difference]: Without dead ends: 2118 [2022-11-23 15:51:36,519 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 15:51:36,520 INFO L413 NwaCegarLoop]: 1714 mSDtfsCounter, 1919 mSDsluCounter, 1714 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1921 SdHoareTripleChecker+Valid, 3428 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:51:36,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1921 Valid, 3428 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-23 15:51:36,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2118 states. [2022-11-23 15:51:36,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2118 to 2118. [2022-11-23 15:51:36,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2118 states, 1145 states have (on average 1.2358078602620088) internal successors, (1415), 1210 states have internal predecessors, (1415), 777 states have call successors, (777), 184 states have call predecessors, (777), 183 states have return successors, (775), 761 states have call predecessors, (775), 775 states have call successors, (775) [2022-11-23 15:51:36,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2118 states to 2118 states and 2967 transitions. [2022-11-23 15:51:36,804 INFO L78 Accepts]: Start accepts. Automaton has 2118 states and 2967 transitions. Word has length 104 [2022-11-23 15:51:36,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:51:36,805 INFO L495 AbstractCegarLoop]: Abstraction has 2118 states and 2967 transitions. [2022-11-23 15:51:36,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-23 15:51:36,805 INFO L276 IsEmpty]: Start isEmpty. Operand 2118 states and 2967 transitions. [2022-11-23 15:51:36,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-23 15:51:36,807 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:51:36,807 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:51:36,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-23 15:51:36,808 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-23 15:51:36,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:51:36,808 INFO L85 PathProgramCache]: Analyzing trace with hash -867002842, now seen corresponding path program 1 times [2022-11-23 15:51:36,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:51:36,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963703024] [2022-11-23 15:51:36,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:51:36,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:51:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:51:37,070 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:51:37,070 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:51:37,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963703024] [2022-11-23 15:51:37,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963703024] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:51:37,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:51:37,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:51:37,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442341651] [2022-11-23 15:51:37,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:51:37,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:51:37,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:51:37,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:51:37,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:51:37,072 INFO L87 Difference]: Start difference. First operand 2118 states and 2967 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-23 15:51:39,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:51:39,475 INFO L93 Difference]: Finished difference Result 2118 states and 2967 transitions. [2022-11-23 15:51:39,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:51:39,476 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 109 [2022-11-23 15:51:39,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:51:39,487 INFO L225 Difference]: With dead ends: 2118 [2022-11-23 15:51:39,487 INFO L226 Difference]: Without dead ends: 2116 [2022-11-23 15:51:39,489 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 15:51:39,489 INFO L413 NwaCegarLoop]: 1712 mSDtfsCounter, 1916 mSDsluCounter, 1712 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1918 SdHoareTripleChecker+Valid, 3424 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:51:39,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1918 Valid, 3424 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-23 15:51:39,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2116 states. [2022-11-23 15:51:39,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2116 to 2116. [2022-11-23 15:51:39,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2116 states, 1144 states have (on average 1.2351398601398602) internal successors, (1413), 1208 states have internal predecessors, (1413), 777 states have call successors, (777), 184 states have call predecessors, (777), 183 states have return successors, (775), 761 states have call predecessors, (775), 775 states have call successors, (775) [2022-11-23 15:51:39,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2116 states to 2116 states and 2965 transitions. [2022-11-23 15:51:39,785 INFO L78 Accepts]: Start accepts. Automaton has 2116 states and 2965 transitions. Word has length 109 [2022-11-23 15:51:39,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:51:39,787 INFO L495 AbstractCegarLoop]: Abstraction has 2116 states and 2965 transitions. [2022-11-23 15:51:39,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-23 15:51:39,787 INFO L276 IsEmpty]: Start isEmpty. Operand 2116 states and 2965 transitions. [2022-11-23 15:51:39,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-23 15:51:39,790 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:51:39,790 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:51:39,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-23 15:51:39,791 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-23 15:51:39,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:51:39,791 INFO L85 PathProgramCache]: Analyzing trace with hash 490269389, now seen corresponding path program 1 times [2022-11-23 15:51:39,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:51:39,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340854620] [2022-11-23 15:51:39,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:51:39,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:51:39,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:51:40,139 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:51:40,139 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:51:40,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340854620] [2022-11-23 15:51:40,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340854620] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:51:40,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:51:40,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:51:40,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407540293] [2022-11-23 15:51:40,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:51:40,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:51:40,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:51:40,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:51:40,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:51:40,141 INFO L87 Difference]: Start difference. First operand 2116 states and 2965 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-23 15:51:42,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:51:42,108 INFO L93 Difference]: Finished difference Result 2116 states and 2965 transitions. [2022-11-23 15:51:42,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:51:42,109 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 114 [2022-11-23 15:51:42,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:51:42,122 INFO L225 Difference]: With dead ends: 2116 [2022-11-23 15:51:42,122 INFO L226 Difference]: Without dead ends: 2114 [2022-11-23 15:51:42,124 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 15:51:42,125 INFO L413 NwaCegarLoop]: 1710 mSDtfsCounter, 1913 mSDsluCounter, 1710 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1915 SdHoareTripleChecker+Valid, 3420 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:51:42,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1915 Valid, 3420 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-23 15:51:42,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2114 states. [2022-11-23 15:51:42,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2114 to 2114. [2022-11-23 15:51:42,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2114 states, 1143 states have (on average 1.2344706911636045) internal successors, (1411), 1206 states have internal predecessors, (1411), 777 states have call successors, (777), 184 states have call predecessors, (777), 183 states have return successors, (775), 761 states have call predecessors, (775), 775 states have call successors, (775) [2022-11-23 15:51:42,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2114 states to 2114 states and 2963 transitions. [2022-11-23 15:51:42,427 INFO L78 Accepts]: Start accepts. Automaton has 2114 states and 2963 transitions. Word has length 114 [2022-11-23 15:51:42,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:51:42,427 INFO L495 AbstractCegarLoop]: Abstraction has 2114 states and 2963 transitions. [2022-11-23 15:51:42,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-23 15:51:42,428 INFO L276 IsEmpty]: Start isEmpty. Operand 2114 states and 2963 transitions. [2022-11-23 15:51:42,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-11-23 15:51:42,430 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:51:42,430 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:51:42,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-23 15:51:42,431 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-23 15:51:42,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:51:42,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1680105714, now seen corresponding path program 1 times [2022-11-23 15:51:42,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:51:42,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945313111] [2022-11-23 15:51:42,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:51:42,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:51:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:51:43,066 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2022-11-23 15:51:43,067 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:51:43,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945313111] [2022-11-23 15:51:43,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945313111] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:51:43,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:51:43,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:51:43,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941310813] [2022-11-23 15:51:43,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:51:43,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:51:43,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:51:43,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:51:43,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:51:43,071 INFO L87 Difference]: Start difference. First operand 2114 states and 2963 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-23 15:51:45,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:51:45,744 INFO L93 Difference]: Finished difference Result 2266 states and 3117 transitions. [2022-11-23 15:51:45,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:51:45,745 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 137 [2022-11-23 15:51:45,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:51:45,754 INFO L225 Difference]: With dead ends: 2266 [2022-11-23 15:51:45,754 INFO L226 Difference]: Without dead ends: 2264 [2022-11-23 15:51:45,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-23 15:51:45,756 INFO L413 NwaCegarLoop]: 1758 mSDtfsCounter, 1101 mSDsluCounter, 4358 mSDsCounter, 0 mSdLazyCounter, 809 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1102 SdHoareTripleChecker+Valid, 6116 SdHoareTripleChecker+Invalid, 810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:51:45,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1102 Valid, 6116 Invalid, 810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 809 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-23 15:51:45,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2264 states. [2022-11-23 15:51:46,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2264 to 2264. [2022-11-23 15:51:46,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2264 states, 1221 states have (on average 1.2235872235872236) internal successors, (1494), 1287 states have internal predecessors, (1494), 811 states have call successors, (811), 223 states have call predecessors, (811), 222 states have return successors, (809), 795 states have call predecessors, (809), 809 states have call successors, (809) [2022-11-23 15:51:46,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2264 states to 2264 states and 3114 transitions. [2022-11-23 15:51:46,115 INFO L78 Accepts]: Start accepts. Automaton has 2264 states and 3114 transitions. Word has length 137 [2022-11-23 15:51:46,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:51:46,115 INFO L495 AbstractCegarLoop]: Abstraction has 2264 states and 3114 transitions. [2022-11-23 15:51:46,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-23 15:51:46,116 INFO L276 IsEmpty]: Start isEmpty. Operand 2264 states and 3114 transitions. [2022-11-23 15:51:46,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-23 15:51:46,118 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:51:46,118 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:51:46,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-23 15:51:46,120 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-23 15:51:46,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:51:46,120 INFO L85 PathProgramCache]: Analyzing trace with hash 382280236, now seen corresponding path program 1 times [2022-11-23 15:51:46,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:51:46,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113917745] [2022-11-23 15:51:46,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:51:46,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:51:46,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:51:46,720 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:51:46,720 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:51:46,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113917745] [2022-11-23 15:51:46,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113917745] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:51:46,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:51:46,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:51:46,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943280709] [2022-11-23 15:51:46,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:51:46,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:51:46,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:51:46,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:51:46,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:51:46,724 INFO L87 Difference]: Start difference. First operand 2264 states and 3114 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-23 15:51:48,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:51:48,937 INFO L93 Difference]: Finished difference Result 2264 states and 3114 transitions. [2022-11-23 15:51:48,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:51:48,938 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 119 [2022-11-23 15:51:48,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:51:48,950 INFO L225 Difference]: With dead ends: 2264 [2022-11-23 15:51:48,950 INFO L226 Difference]: Without dead ends: 2262 [2022-11-23 15:51:48,952 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 15:51:48,953 INFO L413 NwaCegarLoop]: 1706 mSDtfsCounter, 1908 mSDsluCounter, 1706 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1910 SdHoareTripleChecker+Valid, 3412 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:51:48,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1910 Valid, 3412 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-23 15:51:48,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2262 states. [2022-11-23 15:51:49,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2262 to 2262. [2022-11-23 15:51:49,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2262 states, 1220 states have (on average 1.222950819672131) internal successors, (1492), 1285 states have internal predecessors, (1492), 811 states have call successors, (811), 223 states have call predecessors, (811), 222 states have return successors, (809), 795 states have call predecessors, (809), 809 states have call successors, (809) [2022-11-23 15:51:49,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2262 states to 2262 states and 3112 transitions. [2022-11-23 15:51:49,387 INFO L78 Accepts]: Start accepts. Automaton has 2262 states and 3112 transitions. Word has length 119 [2022-11-23 15:51:49,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:51:49,387 INFO L495 AbstractCegarLoop]: Abstraction has 2262 states and 3112 transitions. [2022-11-23 15:51:49,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-23 15:51:49,388 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 3112 transitions. [2022-11-23 15:51:49,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-23 15:51:49,390 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:51:49,391 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:51:49,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-23 15:51:49,391 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-23 15:51:49,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:51:49,392 INFO L85 PathProgramCache]: Analyzing trace with hash -695847363, now seen corresponding path program 1 times [2022-11-23 15:51:49,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:51:49,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207302381] [2022-11-23 15:51:49,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:51:49,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:51:49,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:51:49,698 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:51:49,698 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:51:49,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207302381] [2022-11-23 15:51:49,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207302381] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:51:49,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:51:49,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:51:49,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949475743] [2022-11-23 15:51:49,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:51:49,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:51:49,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:51:49,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:51:49,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:51:49,701 INFO L87 Difference]: Start difference. First operand 2262 states and 3112 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-23 15:51:52,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:51:52,153 INFO L93 Difference]: Finished difference Result 2262 states and 3112 transitions. [2022-11-23 15:51:52,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:51:52,154 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 124 [2022-11-23 15:51:52,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:51:52,164 INFO L225 Difference]: With dead ends: 2262 [2022-11-23 15:51:52,164 INFO L226 Difference]: Without dead ends: 2260 [2022-11-23 15:51:52,166 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 15:51:52,166 INFO L413 NwaCegarLoop]: 1704 mSDtfsCounter, 1905 mSDsluCounter, 1704 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1907 SdHoareTripleChecker+Valid, 3408 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:51:52,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1907 Valid, 3408 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-23 15:51:52,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2260 states. [2022-11-23 15:51:52,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2260 to 2260. [2022-11-23 15:51:52,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2260 states, 1219 states have (on average 1.2223133716160788) internal successors, (1490), 1283 states have internal predecessors, (1490), 811 states have call successors, (811), 223 states have call predecessors, (811), 222 states have return successors, (809), 795 states have call predecessors, (809), 809 states have call successors, (809) [2022-11-23 15:51:52,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2260 states to 2260 states and 3110 transitions. [2022-11-23 15:51:52,616 INFO L78 Accepts]: Start accepts. Automaton has 2260 states and 3110 transitions. Word has length 124 [2022-11-23 15:51:52,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:51:52,617 INFO L495 AbstractCegarLoop]: Abstraction has 2260 states and 3110 transitions. [2022-11-23 15:51:52,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-23 15:51:52,617 INFO L276 IsEmpty]: Start isEmpty. Operand 2260 states and 3110 transitions. [2022-11-23 15:51:52,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-23 15:51:52,621 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:51:52,621 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:51:52,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-23 15:51:52,621 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-23 15:51:52,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:51:52,622 INFO L85 PathProgramCache]: Analyzing trace with hash 2021914832, now seen corresponding path program 1 times [2022-11-23 15:51:52,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:51:52,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954494628] [2022-11-23 15:51:52,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:51:52,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:51:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:51:52,965 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:51:52,965 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:51:52,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954494628] [2022-11-23 15:51:52,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954494628] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:51:52,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:51:52,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:51:52,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439697916] [2022-11-23 15:51:52,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:51:52,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:51:52,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:51:52,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:51:52,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:51:52,970 INFO L87 Difference]: Start difference. First operand 2260 states and 3110 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-23 15:51:55,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:51:55,314 INFO L93 Difference]: Finished difference Result 2260 states and 3110 transitions. [2022-11-23 15:51:55,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:51:55,315 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 129 [2022-11-23 15:51:55,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:51:55,323 INFO L225 Difference]: With dead ends: 2260 [2022-11-23 15:51:55,323 INFO L226 Difference]: Without dead ends: 2258 [2022-11-23 15:51:55,325 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 15:51:55,326 INFO L413 NwaCegarLoop]: 1702 mSDtfsCounter, 1902 mSDsluCounter, 1702 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1904 SdHoareTripleChecker+Valid, 3404 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:51:55,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1904 Valid, 3404 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-23 15:51:55,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2258 states. [2022-11-23 15:51:55,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2258 to 2258. [2022-11-23 15:51:55,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2258 states, 1218 states have (on average 1.2216748768472907) internal successors, (1488), 1281 states have internal predecessors, (1488), 811 states have call successors, (811), 223 states have call predecessors, (811), 222 states have return successors, (809), 795 states have call predecessors, (809), 809 states have call successors, (809) [2022-11-23 15:51:55,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2258 states to 2258 states and 3108 transitions. [2022-11-23 15:51:55,785 INFO L78 Accepts]: Start accepts. Automaton has 2258 states and 3108 transitions. Word has length 129 [2022-11-23 15:51:55,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:51:55,785 INFO L495 AbstractCegarLoop]: Abstraction has 2258 states and 3108 transitions. [2022-11-23 15:51:55,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-23 15:51:55,786 INFO L276 IsEmpty]: Start isEmpty. Operand 2258 states and 3108 transitions. [2022-11-23 15:51:55,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-23 15:51:55,789 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:51:55,789 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:51:55,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-23 15:51:55,790 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-23 15:51:55,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:51:55,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1618229123, now seen corresponding path program 1 times [2022-11-23 15:51:55,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:51:55,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818048556] [2022-11-23 15:51:55,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:51:55,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:51:55,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:51:56,068 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:51:56,069 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:51:56,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818048556] [2022-11-23 15:51:56,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818048556] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:51:56,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:51:56,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:51:56,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872574425] [2022-11-23 15:51:56,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:51:56,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:51:56,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:51:56,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:51:56,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:51:56,073 INFO L87 Difference]: Start difference. First operand 2258 states and 3108 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-23 15:51:58,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:51:58,457 INFO L93 Difference]: Finished difference Result 2258 states and 3108 transitions. [2022-11-23 15:51:58,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:51:58,463 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 134 [2022-11-23 15:51:58,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:51:58,474 INFO L225 Difference]: With dead ends: 2258 [2022-11-23 15:51:58,474 INFO L226 Difference]: Without dead ends: 2256 [2022-11-23 15:51:58,476 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 15:51:58,478 INFO L413 NwaCegarLoop]: 1700 mSDtfsCounter, 1899 mSDsluCounter, 1700 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1901 SdHoareTripleChecker+Valid, 3400 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:51:58,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1901 Valid, 3400 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-23 15:51:58,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2256 states. [2022-11-23 15:51:58,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2256 to 2256. [2022-11-23 15:51:58,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2256 states, 1217 states have (on average 1.221035332785538) internal successors, (1486), 1279 states have internal predecessors, (1486), 811 states have call successors, (811), 223 states have call predecessors, (811), 222 states have return successors, (809), 795 states have call predecessors, (809), 809 states have call successors, (809) [2022-11-23 15:51:58,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2256 states to 2256 states and 3106 transitions. [2022-11-23 15:51:58,922 INFO L78 Accepts]: Start accepts. Automaton has 2256 states and 3106 transitions. Word has length 134 [2022-11-23 15:51:58,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:51:58,923 INFO L495 AbstractCegarLoop]: Abstraction has 2256 states and 3106 transitions. [2022-11-23 15:51:58,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-23 15:51:58,924 INFO L276 IsEmpty]: Start isEmpty. Operand 2256 states and 3106 transitions. [2022-11-23 15:51:58,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-23 15:51:58,928 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:51:58,929 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:51:58,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-23 15:51:58,929 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-23 15:51:58,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:51:58,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1146052386, now seen corresponding path program 1 times [2022-11-23 15:51:58,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:51:58,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757694753] [2022-11-23 15:51:58,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:51:58,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:51:58,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:51:59,218 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:51:59,218 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:51:59,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757694753] [2022-11-23 15:51:59,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757694753] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:51:59,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:51:59,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:51:59,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655874470] [2022-11-23 15:51:59,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:51:59,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:51:59,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:51:59,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:51:59,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:51:59,221 INFO L87 Difference]: Start difference. First operand 2256 states and 3106 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-23 15:52:01,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:52:01,293 INFO L93 Difference]: Finished difference Result 2256 states and 3106 transitions. [2022-11-23 15:52:01,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:52:01,294 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 139 [2022-11-23 15:52:01,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:52:01,303 INFO L225 Difference]: With dead ends: 2256 [2022-11-23 15:52:01,304 INFO L226 Difference]: Without dead ends: 2254 [2022-11-23 15:52:01,305 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 15:52:01,306 INFO L413 NwaCegarLoop]: 1698 mSDtfsCounter, 1896 mSDsluCounter, 1698 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1898 SdHoareTripleChecker+Valid, 3396 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:52:01,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1898 Valid, 3396 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-23 15:52:01,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2254 states. [2022-11-23 15:52:01,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2254 to 2254. [2022-11-23 15:52:01,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2254 states, 1216 states have (on average 1.2203947368421053) internal successors, (1484), 1277 states have internal predecessors, (1484), 811 states have call successors, (811), 223 states have call predecessors, (811), 222 states have return successors, (809), 795 states have call predecessors, (809), 809 states have call successors, (809) [2022-11-23 15:52:01,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2254 states to 2254 states and 3104 transitions. [2022-11-23 15:52:01,775 INFO L78 Accepts]: Start accepts. Automaton has 2254 states and 3104 transitions. Word has length 139 [2022-11-23 15:52:01,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:52:01,775 INFO L495 AbstractCegarLoop]: Abstraction has 2254 states and 3104 transitions. [2022-11-23 15:52:01,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-23 15:52:01,776 INFO L276 IsEmpty]: Start isEmpty. Operand 2254 states and 3104 transitions. [2022-11-23 15:52:01,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-11-23 15:52:01,780 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:52:01,780 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:52:01,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-23 15:52:01,780 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-23 15:52:01,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:52:01,782 INFO L85 PathProgramCache]: Analyzing trace with hash 342825352, now seen corresponding path program 1 times [2022-11-23 15:52:01,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:52:01,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388936497] [2022-11-23 15:52:01,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:52:01,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:52:01,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:52:02,114 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2022-11-23 15:52:02,114 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:52:02,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388936497] [2022-11-23 15:52:02,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388936497] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:52:02,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:52:02,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:52:02,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272096466] [2022-11-23 15:52:02,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:52:02,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:52:02,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:52:02,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:52:02,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:52:02,117 INFO L87 Difference]: Start difference. First operand 2254 states and 3104 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-23 15:52:04,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:52:04,012 INFO L93 Difference]: Finished difference Result 4491 states and 6182 transitions. [2022-11-23 15:52:04,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:52:04,012 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 155 [2022-11-23 15:52:04,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:52:04,023 INFO L225 Difference]: With dead ends: 4491 [2022-11-23 15:52:04,023 INFO L226 Difference]: Without dead ends: 2255 [2022-11-23 15:52:04,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 15:52:04,034 INFO L413 NwaCegarLoop]: 1700 mSDtfsCounter, 0 mSDsluCounter, 1699 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3399 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:52:04,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3399 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-23 15:52:04,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2255 states. [2022-11-23 15:52:04,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2255 to 2255. [2022-11-23 15:52:04,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2255 states, 1217 states have (on average 1.2202136400986032) internal successors, (1485), 1278 states have internal predecessors, (1485), 811 states have call successors, (811), 223 states have call predecessors, (811), 222 states have return successors, (809), 795 states have call predecessors, (809), 809 states have call successors, (809) [2022-11-23 15:52:04,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2255 states to 2255 states and 3105 transitions. [2022-11-23 15:52:04,444 INFO L78 Accepts]: Start accepts. Automaton has 2255 states and 3105 transitions. Word has length 155 [2022-11-23 15:52:04,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:52:04,444 INFO L495 AbstractCegarLoop]: Abstraction has 2255 states and 3105 transitions. [2022-11-23 15:52:04,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-23 15:52:04,445 INFO L276 IsEmpty]: Start isEmpty. Operand 2255 states and 3105 transitions. [2022-11-23 15:52:04,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-11-23 15:52:04,449 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:52:04,449 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:52:04,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-23 15:52:04,449 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-23 15:52:04,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:52:04,450 INFO L85 PathProgramCache]: Analyzing trace with hash -768502159, now seen corresponding path program 1 times [2022-11-23 15:52:04,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:52:04,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927056478] [2022-11-23 15:52:04,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:52:04,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:52:04,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:52:04,806 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2022-11-23 15:52:04,806 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:52:04,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927056478] [2022-11-23 15:52:04,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927056478] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:52:04,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [983053851] [2022-11-23 15:52:04,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:52:04,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:52:04,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:52:04,809 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:52:04,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 15:52:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:52:05,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 2611 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 15:52:05,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:52:05,991 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2022-11-23 15:52:05,993 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:52:05,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [983053851] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:52:05,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:52:05,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-23 15:52:05,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253666927] [2022-11-23 15:52:05,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:52:05,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:52:05,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:52:05,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:52:05,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:52:05,996 INFO L87 Difference]: Start difference. First operand 2255 states and 3105 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-23 15:52:09,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:52:09,692 INFO L93 Difference]: Finished difference Result 4887 states and 6819 transitions. [2022-11-23 15:52:09,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:52:09,693 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 156 [2022-11-23 15:52:09,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:52:09,702 INFO L225 Difference]: With dead ends: 4887 [2022-11-23 15:52:09,702 INFO L226 Difference]: Without dead ends: 2650 [2022-11-23 15:52:09,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:52:09,712 INFO L413 NwaCegarLoop]: 2229 mSDtfsCounter, 270 mSDsluCounter, 1867 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 4096 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:52:09,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [444 Valid, 4096 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-23 15:52:09,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2650 states. [2022-11-23 15:52:10,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2650 to 2256. [2022-11-23 15:52:10,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2256 states, 1218 states have (on average 1.2200328407224958) internal successors, (1486), 1279 states have internal predecessors, (1486), 811 states have call successors, (811), 223 states have call predecessors, (811), 222 states have return successors, (809), 795 states have call predecessors, (809), 809 states have call successors, (809) [2022-11-23 15:52:10,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2256 states to 2256 states and 3106 transitions. [2022-11-23 15:52:10,166 INFO L78 Accepts]: Start accepts. Automaton has 2256 states and 3106 transitions. Word has length 156 [2022-11-23 15:52:10,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:52:10,167 INFO L495 AbstractCegarLoop]: Abstraction has 2256 states and 3106 transitions. [2022-11-23 15:52:10,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-23 15:52:10,168 INFO L276 IsEmpty]: Start isEmpty. Operand 2256 states and 3106 transitions. [2022-11-23 15:52:10,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-23 15:52:10,174 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:52:10,174 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:52:10,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 15:52:10,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:52:10,396 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-23 15:52:10,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:52:10,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1930917578, now seen corresponding path program 1 times [2022-11-23 15:52:10,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:52:10,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651418790] [2022-11-23 15:52:10,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:52:10,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:52:10,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:52:10,707 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:52:10,707 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:52:10,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651418790] [2022-11-23 15:52:10,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651418790] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:52:10,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:52:10,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:52:10,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879077905] [2022-11-23 15:52:10,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:52:10,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:52:10,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:52:10,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:52:10,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:52:10,711 INFO L87 Difference]: Start difference. First operand 2256 states and 3106 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-23 15:52:13,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:52:13,319 INFO L93 Difference]: Finished difference Result 2256 states and 3106 transitions. [2022-11-23 15:52:13,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:52:13,320 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 144 [2022-11-23 15:52:13,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:52:13,329 INFO L225 Difference]: With dead ends: 2256 [2022-11-23 15:52:13,329 INFO L226 Difference]: Without dead ends: 2115 [2022-11-23 15:52:13,332 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 15:52:13,333 INFO L413 NwaCegarLoop]: 1697 mSDtfsCounter, 1893 mSDsluCounter, 1697 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1893 SdHoareTripleChecker+Valid, 3394 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:52:13,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1893 Valid, 3394 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-23 15:52:13,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2115 states. [2022-11-23 15:52:13,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2115 to 2115. [2022-11-23 15:52:13,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2115 states, 1146 states have (on average 1.231239092495637) internal successors, (1411), 1205 states have internal predecessors, (1411), 762 states have call successors, (762), 203 states have call predecessors, (762), 203 states have return successors, (762), 748 states have call predecessors, (762), 762 states have call successors, (762) [2022-11-23 15:52:13,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2115 states to 2115 states and 2935 transitions. [2022-11-23 15:52:13,766 INFO L78 Accepts]: Start accepts. Automaton has 2115 states and 2935 transitions. Word has length 144 [2022-11-23 15:52:13,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:52:13,767 INFO L495 AbstractCegarLoop]: Abstraction has 2115 states and 2935 transitions. [2022-11-23 15:52:13,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-23 15:52:13,767 INFO L276 IsEmpty]: Start isEmpty. Operand 2115 states and 2935 transitions. [2022-11-23 15:52:13,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-23 15:52:13,771 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:52:13,771 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:52:13,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-23 15:52:13,772 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-23 15:52:13,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:52:13,772 INFO L85 PathProgramCache]: Analyzing trace with hash 2116069028, now seen corresponding path program 1 times [2022-11-23 15:52:13,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:52:13,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279317412] [2022-11-23 15:52:13,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:52:13,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:52:13,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:52:14,222 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-11-23 15:52:14,222 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:52:14,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279317412] [2022-11-23 15:52:14,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279317412] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:52:14,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:52:14,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:52:14,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037863733] [2022-11-23 15:52:14,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:52:14,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:52:14,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:52:14,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:52:14,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:52:14,225 INFO L87 Difference]: Start difference. First operand 2115 states and 2935 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-23 15:52:17,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:52:17,585 INFO L93 Difference]: Finished difference Result 2115 states and 2935 transitions. [2022-11-23 15:52:17,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:52:17,585 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 175 [2022-11-23 15:52:17,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:52:17,595 INFO L225 Difference]: With dead ends: 2115 [2022-11-23 15:52:17,595 INFO L226 Difference]: Without dead ends: 2113 [2022-11-23 15:52:17,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-23 15:52:17,598 INFO L413 NwaCegarLoop]: 1652 mSDtfsCounter, 935 mSDsluCounter, 4128 mSDsCounter, 0 mSdLazyCounter, 863 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 936 SdHoareTripleChecker+Valid, 5780 SdHoareTripleChecker+Invalid, 863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 863 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:52:17,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [936 Valid, 5780 Invalid, 863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 863 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-23 15:52:17,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2113 states. [2022-11-23 15:52:18,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2113 to 2113. [2022-11-23 15:52:18,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2113 states, 1145 states have (on average 1.2296943231441049) internal successors, (1408), 1203 states have internal predecessors, (1408), 762 states have call successors, (762), 203 states have call predecessors, (762), 203 states have return successors, (762), 748 states have call predecessors, (762), 762 states have call successors, (762) [2022-11-23 15:52:18,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2113 states to 2113 states and 2932 transitions. [2022-11-23 15:52:18,033 INFO L78 Accepts]: Start accepts. Automaton has 2113 states and 2932 transitions. Word has length 175 [2022-11-23 15:52:18,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:52:18,033 INFO L495 AbstractCegarLoop]: Abstraction has 2113 states and 2932 transitions. [2022-11-23 15:52:18,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-23 15:52:18,034 INFO L276 IsEmpty]: Start isEmpty. Operand 2113 states and 2932 transitions. [2022-11-23 15:52:18,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-11-23 15:52:18,038 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:52:18,038 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:52:18,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-23 15:52:18,038 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-23 15:52:18,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:52:18,039 INFO L85 PathProgramCache]: Analyzing trace with hash -898440628, now seen corresponding path program 1 times [2022-11-23 15:52:18,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:52:18,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859361242] [2022-11-23 15:52:18,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:52:18,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:52:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:52:18,436 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-11-23 15:52:18,437 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:52:18,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859361242] [2022-11-23 15:52:18,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859361242] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:52:18,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [593153498] [2022-11-23 15:52:18,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:52:18,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:52:18,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:52:18,439 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:52:18,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5a972ae-61c6-41ff-b127-1751b0596890/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 15:52:19,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:52:19,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 2728 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 15:52:19,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:52:19,683 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 48 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-11-23 15:52:19,683 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:52:19,917 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-11-23 15:52:19,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [593153498] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:52:19,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1447633828] [2022-11-23 15:52:19,945 INFO L159 IcfgInterpreter]: Started Sifa with 111 locations of interest [2022-11-23 15:52:19,945 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:52:19,951 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:52:19,956 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:52:19,957 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:52:21,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-23 15:52:21,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-23 15:52:22,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-23 15:52:22,442 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-23 15:52:22,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-23 15:52:22,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-23 15:52:22,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-23 15:52:51,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 15:52:51,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 15:53:08,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:08,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:08,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:08,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:08,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:08,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:08,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:08,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:08,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:08,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:08,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:08,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:08,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:08,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:08,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:08,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:08,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:08,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:08,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,154 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:53:09,158 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:53:09,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:09,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:53:09,730 INFO L321 Elim1Store]: treesize reduction 36, result has 48.6 percent of original size [2022-11-23 15:53:09,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 146 select indices, 146 select index equivalence classes, 3693 disjoint index pairs (out of 10585 index pairs), introduced 146 new quantified variables, introduced 3 case distinctions, treesize of input 7573 treesize of output 7149 [2022-11-23 15:53:11,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:53:11,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:53:11,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:11,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:53:12,008 INFO L321 Elim1Store]: treesize reduction 44, result has 37.1 percent of original size [2022-11-23 15:53:12,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 146 select indices, 146 select index equivalence classes, 3693 disjoint index pairs (out of 10585 index pairs), introduced 146 new quantified variables, introduced 3 case distinctions, treesize of input 7549 treesize of output 7117 [2022-11-23 15:53:13,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,624 INFO L217 Elim1Store]: Index analysis took 123 ms [2022-11-23 15:53:13,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,634 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:53:13,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,645 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:53:13,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,648 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:53:13,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,667 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:53:13,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:53:13,677 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:53:13,966 INFO L321 Elim1Store]: treesize reduction 192, result has 40.9 percent of original size [2022-11-23 15:53:13,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 76 select indices, 76 select index equivalence classes, 289 disjoint index pairs (out of 2850 index pairs), introduced 76 new quantified variables, introduced 12 case distinctions, treesize of input 7545 treesize of output 7422 [2022-11-23 15:53:14,932 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-23 15:53:14,934 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 7445 treesize of output 7443 [2022-11-23 15:53:16,213 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 15:53:16,215 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 7440 treesize of output 7440 [2022-11-23 15:55:30,636 WARN L233 SmtUtils]: Spent 5.63s on a formula simplification. DAG size of input: 1503 DAG size of output: 1503 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-23 16:00:57,115 WARN L233 SmtUtils]: Spent 16.20s on a formula simplification that was a NOOP. DAG size: 1576 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-23 16:01:13,306 WARN L233 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 1568 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)