./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--scsi--megaraid.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/bin/utaipan-g80aRyZoba --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 ac352421032347d7bf5d3bf9ef59e7281826004c82f3c932b159f55f0c829686 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 00:34:00,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:34:00,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:34:00,492 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:34:00,493 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:34:00,502 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:34:00,504 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:34:00,509 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:34:00,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:34:00,517 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:34:00,518 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:34:00,519 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:34:00,520 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:34:00,521 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:34:00,523 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:34:00,524 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:34:00,525 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:34:00,526 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:34:00,537 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:34:00,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:34:00,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:34:00,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:34:00,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:34:00,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:34:00,557 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:34:00,558 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:34:00,558 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:34:00,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:34:00,560 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:34:00,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:34:00,563 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:34:00,564 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:34:00,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:34:00,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:34:00,568 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:34:00,568 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:34:00,569 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:34:00,570 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:34:00,570 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:34:00,571 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:34:00,572 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:34:00,573 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 00:34:00,603 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:34:00,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:34:00,604 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 00:34:00,605 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 00:34:00,605 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:34:00,606 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 00:34:00,606 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 00:34:00,606 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 00:34:00,607 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 00:34:00,607 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 00:34:00,607 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 00:34:00,608 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 00:34:00,608 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 00:34:00,608 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 00:34:00,608 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 00:34:00,609 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 00:34:00,609 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 00:34:00,609 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 00:34:00,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:34:00,611 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 00:34:00,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:34:00,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:34:00,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:34:00,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:34:00,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:34:00,612 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:34:00,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:34:00,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:34:00,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 00:34:00,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:34:00,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:34:00,614 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 00:34:00,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:34:00,614 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:34:00,615 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 00:34:00,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 00:34:00,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:34:00,616 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 00:34:00,616 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_e3740b82-c5f6-4b2d-a084-70a1912214dc/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac352421032347d7bf5d3bf9ef59e7281826004c82f3c932b159f55f0c829686 [2022-11-22 00:34:00,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:34:00,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:34:00,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:34:00,949 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:34:00,951 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:34:00,952 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i [2022-11-22 00:34:04,303 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:34:05,123 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:34:05,124 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i [2022-11-22 00:34:05,205 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/bin/utaipan-g80aRyZoba/data/686b9be03/17f36698a74447c9a314ad54dbb6debd/FLAG4e3d8c253 [2022-11-22 00:34:05,224 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/bin/utaipan-g80aRyZoba/data/686b9be03/17f36698a74447c9a314ad54dbb6debd [2022-11-22 00:34:05,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:34:05,232 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:34:05,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:34:05,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:34:05,240 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:34:05,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:34:05" (1/1) ... [2022-11-22 00:34:05,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@681526cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:34:05, skipping insertion in model container [2022-11-22 00:34:05,243 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:34:05" (1/1) ... [2022-11-22 00:34:05,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:34:05,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:34:10,742 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486469,486482] [2022-11-22 00:34:10,748 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486614,486627] [2022-11-22 00:34:10,749 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486760,486773] [2022-11-22 00:34:10,749 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486925,486938] [2022-11-22 00:34:10,750 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487083,487096] [2022-11-22 00:34:10,750 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487241,487254] [2022-11-22 00:34:10,751 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487399,487412] [2022-11-22 00:34:10,751 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487559,487572] [2022-11-22 00:34:10,751 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487718,487731] [2022-11-22 00:34:10,752 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487857,487870] [2022-11-22 00:34:10,752 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487999,488012] [2022-11-22 00:34:10,753 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488148,488161] [2022-11-22 00:34:10,754 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488287,488300] [2022-11-22 00:34:10,755 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488442,488455] [2022-11-22 00:34:10,755 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488602,488615] [2022-11-22 00:34:10,755 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488753,488766] [2022-11-22 00:34:10,756 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488904,488917] [2022-11-22 00:34:10,757 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489056,489069] [2022-11-22 00:34:10,758 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489205,489218] [2022-11-22 00:34:10,758 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489353,489366] [2022-11-22 00:34:10,759 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489510,489523] [2022-11-22 00:34:10,759 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489659,489672] [2022-11-22 00:34:10,759 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489815,489828] [2022-11-22 00:34:10,761 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489968,489981] [2022-11-22 00:34:10,761 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490114,490127] [2022-11-22 00:34:10,762 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490257,490270] [2022-11-22 00:34:10,762 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490409,490422] [2022-11-22 00:34:10,764 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490555,490568] [2022-11-22 00:34:10,764 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490700,490713] [2022-11-22 00:34:10,765 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490854,490867] [2022-11-22 00:34:10,765 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491005,491018] [2022-11-22 00:34:10,768 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491160,491173] [2022-11-22 00:34:10,768 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491312,491325] [2022-11-22 00:34:10,769 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491467,491480] [2022-11-22 00:34:10,769 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491631,491644] [2022-11-22 00:34:10,770 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491787,491800] [2022-11-22 00:34:10,772 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491951,491964] [2022-11-22 00:34:10,772 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492093,492106] [2022-11-22 00:34:10,773 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492251,492264] [2022-11-22 00:34:10,773 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492418,492431] [2022-11-22 00:34:10,774 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492577,492590] [2022-11-22 00:34:10,775 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492736,492749] [2022-11-22 00:34:10,775 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492885,492898] [2022-11-22 00:34:10,775 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493032,493045] [2022-11-22 00:34:10,776 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493171,493184] [2022-11-22 00:34:10,776 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493334,493347] [2022-11-22 00:34:10,777 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493500,493513] [2022-11-22 00:34:10,778 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493664,493677] [2022-11-22 00:34:10,779 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493829,493842] [2022-11-22 00:34:10,779 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493994,494007] [2022-11-22 00:34:10,779 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494160,494173] [2022-11-22 00:34:10,781 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494325,494338] [2022-11-22 00:34:10,782 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494492,494505] [2022-11-22 00:34:10,782 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494652,494665] [2022-11-22 00:34:10,783 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494814,494827] [2022-11-22 00:34:10,783 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494973,494986] [2022-11-22 00:34:10,783 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495119,495132] [2022-11-22 00:34:10,784 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495262,495275] [2022-11-22 00:34:10,784 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495406,495419] [2022-11-22 00:34:10,785 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495549,495562] [2022-11-22 00:34:10,786 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495693,495706] [2022-11-22 00:34:10,786 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495834,495847] [2022-11-22 00:34:10,786 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495972,495985] [2022-11-22 00:34:10,787 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496130,496143] [2022-11-22 00:34:10,788 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496289,496302] [2022-11-22 00:34:10,788 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496445,496458] [2022-11-22 00:34:10,789 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496594,496607] [2022-11-22 00:34:10,790 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496746,496759] [2022-11-22 00:34:10,790 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496897,496910] [2022-11-22 00:34:10,791 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497046,497059] [2022-11-22 00:34:10,792 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497198,497211] [2022-11-22 00:34:10,792 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497346,497359] [2022-11-22 00:34:10,792 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497499,497512] [2022-11-22 00:34:10,793 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497650,497663] [2022-11-22 00:34:10,793 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497800,497813] [2022-11-22 00:34:10,794 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497947,497960] [2022-11-22 00:34:10,794 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498098,498111] [2022-11-22 00:34:10,794 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498249,498262] [2022-11-22 00:34:10,795 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498397,498410] [2022-11-22 00:34:10,795 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498563,498576] [2022-11-22 00:34:10,795 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498732,498745] [2022-11-22 00:34:10,796 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498899,498912] [2022-11-22 00:34:10,796 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499067,499080] [2022-11-22 00:34:10,797 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499217,499230] [2022-11-22 00:34:10,798 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499364,499377] [2022-11-22 00:34:10,798 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499525,499538] [2022-11-22 00:34:10,799 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499695,499708] [2022-11-22 00:34:10,799 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499857,499870] [2022-11-22 00:34:10,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:34:10,872 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 00:34:11,484 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486469,486482] [2022-11-22 00:34:11,485 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486614,486627] [2022-11-22 00:34:11,485 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486760,486773] [2022-11-22 00:34:11,486 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486925,486938] [2022-11-22 00:34:11,486 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487083,487096] [2022-11-22 00:34:11,486 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487241,487254] [2022-11-22 00:34:11,487 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487399,487412] [2022-11-22 00:34:11,487 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487559,487572] [2022-11-22 00:34:11,488 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487718,487731] [2022-11-22 00:34:11,488 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487857,487870] [2022-11-22 00:34:11,488 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487999,488012] [2022-11-22 00:34:11,489 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488148,488161] [2022-11-22 00:34:11,490 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488287,488300] [2022-11-22 00:34:11,491 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488442,488455] [2022-11-22 00:34:11,491 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488602,488615] [2022-11-22 00:34:11,492 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488753,488766] [2022-11-22 00:34:11,492 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488904,488917] [2022-11-22 00:34:11,492 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489056,489069] [2022-11-22 00:34:11,493 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489205,489218] [2022-11-22 00:34:11,494 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489353,489366] [2022-11-22 00:34:11,494 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489510,489523] [2022-11-22 00:34:11,494 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489659,489672] [2022-11-22 00:34:11,495 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489815,489828] [2022-11-22 00:34:11,496 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489968,489981] [2022-11-22 00:34:11,497 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490114,490127] [2022-11-22 00:34:11,497 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490257,490270] [2022-11-22 00:34:11,498 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490409,490422] [2022-11-22 00:34:11,498 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490555,490568] [2022-11-22 00:34:11,498 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490700,490713] [2022-11-22 00:34:11,499 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490854,490867] [2022-11-22 00:34:11,499 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491005,491018] [2022-11-22 00:34:11,500 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491160,491173] [2022-11-22 00:34:11,500 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491312,491325] [2022-11-22 00:34:11,500 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491467,491480] [2022-11-22 00:34:11,501 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491631,491644] [2022-11-22 00:34:11,501 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491787,491800] [2022-11-22 00:34:11,502 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491951,491964] [2022-11-22 00:34:11,503 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492093,492106] [2022-11-22 00:34:11,503 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492251,492264] [2022-11-22 00:34:11,504 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492418,492431] [2022-11-22 00:34:11,505 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492577,492590] [2022-11-22 00:34:11,506 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492736,492749] [2022-11-22 00:34:11,506 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492885,492898] [2022-11-22 00:34:11,506 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493032,493045] [2022-11-22 00:34:11,507 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493171,493184] [2022-11-22 00:34:11,507 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493334,493347] [2022-11-22 00:34:11,507 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493500,493513] [2022-11-22 00:34:11,508 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493664,493677] [2022-11-22 00:34:11,508 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493829,493842] [2022-11-22 00:34:11,509 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493994,494007] [2022-11-22 00:34:11,509 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494160,494173] [2022-11-22 00:34:11,509 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494325,494338] [2022-11-22 00:34:11,510 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494492,494505] [2022-11-22 00:34:11,510 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494652,494665] [2022-11-22 00:34:11,511 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494814,494827] [2022-11-22 00:34:11,512 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494973,494986] [2022-11-22 00:34:11,515 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495119,495132] [2022-11-22 00:34:11,516 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495262,495275] [2022-11-22 00:34:11,520 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495406,495419] [2022-11-22 00:34:11,521 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495549,495562] [2022-11-22 00:34:11,522 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495693,495706] [2022-11-22 00:34:11,523 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495834,495847] [2022-11-22 00:34:11,524 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495972,495985] [2022-11-22 00:34:11,524 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496130,496143] [2022-11-22 00:34:11,529 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496289,496302] [2022-11-22 00:34:11,531 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496445,496458] [2022-11-22 00:34:11,531 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496594,496607] [2022-11-22 00:34:11,532 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496746,496759] [2022-11-22 00:34:11,532 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496897,496910] [2022-11-22 00:34:11,532 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497046,497059] [2022-11-22 00:34:11,533 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497198,497211] [2022-11-22 00:34:11,533 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497346,497359] [2022-11-22 00:34:11,534 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497499,497512] [2022-11-22 00:34:11,535 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497650,497663] [2022-11-22 00:34:11,535 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497800,497813] [2022-11-22 00:34:11,536 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497947,497960] [2022-11-22 00:34:11,536 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498098,498111] [2022-11-22 00:34:11,537 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498249,498262] [2022-11-22 00:34:11,538 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498397,498410] [2022-11-22 00:34:11,539 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498563,498576] [2022-11-22 00:34:11,539 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498732,498745] [2022-11-22 00:34:11,540 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498899,498912] [2022-11-22 00:34:11,540 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499067,499080] [2022-11-22 00:34:11,540 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499217,499230] [2022-11-22 00:34:11,541 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499364,499377] [2022-11-22 00:34:11,541 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499525,499538] [2022-11-22 00:34:11,541 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499695,499708] [2022-11-22 00:34:11,542 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499857,499870] [2022-11-22 00:34:11,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:34:11,855 INFO L208 MainTranslator]: Completed translation [2022-11-22 00:34:11,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:34:11 WrapperNode [2022-11-22 00:34:11,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 00:34:11,857 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 00:34:11,857 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 00:34:11,857 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 00:34:11,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:34:11" (1/1) ... [2022-11-22 00:34:12,003 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:34:11" (1/1) ... [2022-11-22 00:34:12,306 INFO L138 Inliner]: procedures = 746, calls = 3640, calls flagged for inlining = 396, calls inlined = 313, statements flattened = 8774 [2022-11-22 00:34:12,307 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 00:34:12,307 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 00:34:12,308 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 00:34:12,308 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 00:34:12,318 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:34:11" (1/1) ... [2022-11-22 00:34:12,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:34:11" (1/1) ... [2022-11-22 00:34:12,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:34:11" (1/1) ... [2022-11-22 00:34:12,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:34:11" (1/1) ... [2022-11-22 00:34:12,625 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:34:11" (1/1) ... [2022-11-22 00:34:12,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:34:11" (1/1) ... [2022-11-22 00:34:12,708 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:34:11" (1/1) ... [2022-11-22 00:34:12,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:34:11" (1/1) ... [2022-11-22 00:34:12,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 00:34:12,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 00:34:12,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 00:34:12,788 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 00:34:12,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:34:11" (1/1) ... [2022-11-22 00:34:12,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:34:12,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:34:12,824 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 00:34:12,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 00:34:12,880 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-22 00:34:12,880 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-22 00:34:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2022-11-22 00:34:12,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2022-11-22 00:34:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2022-11-22 00:34:12,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2022-11-22 00:34:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-22 00:34:12,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-22 00:34:12,882 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_info [2022-11-22 00:34:12,882 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_info [2022-11-22 00:34:12,882 INFO L130 BoogieDeclarations]: Found specification of procedure mega_adapinq [2022-11-22 00:34:12,882 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_adapinq [2022-11-22 00:34:12,882 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2022-11-22 00:34:12,883 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2022-11-22 00:34:12,883 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-22 00:34:12,883 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-22 00:34:12,883 INFO L130 BoogieDeclarations]: Found specification of procedure mega_free_inquiry [2022-11-22 00:34:12,883 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_free_inquiry [2022-11-22 00:34:12,883 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2022-11-22 00:34:12,884 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_putc [2022-11-22 00:34:12,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 00:34:12,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 00:34:12,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-22 00:34:12,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-22 00:34:12,884 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-22 00:34:12,885 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-22 00:34:12,885 INFO L130 BoogieDeclarations]: Found specification of procedure mega_build_sglist [2022-11-22 00:34:12,885 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_build_sglist [2022-11-22 00:34:12,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-22 00:34:12,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-22 00:34:12,885 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-22 00:34:12,886 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-22 00:34:12,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-22 00:34:12,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-22 00:34:12,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-22 00:34:12,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-22 00:34:12,887 INFO L130 BoogieDeclarations]: Found specification of procedure megadev_unlocked_ioctl [2022-11-22 00:34:12,887 INFO L138 BoogieDeclarations]: Found implementation of procedure megadev_unlocked_ioctl [2022-11-22 00:34:12,887 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-22 00:34:12,887 INFO L130 BoogieDeclarations]: Found specification of procedure mega_free_scb [2022-11-22 00:34:12,887 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_free_scb [2022-11-22 00:34:12,887 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-22 00:34:12,888 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-22 00:34:12,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-22 00:34:12,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-22 00:34:12,888 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2022-11-22 00:34:12,888 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2022-11-22 00:34:12,888 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_abort_and_reset [2022-11-22 00:34:12,889 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_abort_and_reset [2022-11-22 00:34:12,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-22 00:34:12,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-22 00:34:12,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-22 00:34:12,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-22 00:34:12,890 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-22 00:34:12,890 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-22 00:34:12,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 00:34:12,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-22 00:34:12,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-22 00:34:12,895 INFO L130 BoogieDeclarations]: Found specification of procedure issue_scb_block [2022-11-22 00:34:12,895 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_scb_block [2022-11-22 00:34:12,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-22 00:34:12,895 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-22 00:34:12,895 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-22 00:34:12,896 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-22 00:34:12,896 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-22 00:34:12,896 INFO L130 BoogieDeclarations]: Found specification of procedure mega_free_sgl [2022-11-22 00:34:12,896 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_free_sgl [2022-11-22 00:34:12,896 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2022-11-22 00:34:12,897 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2022-11-22 00:34:12,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 00:34:12,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-22 00:34:12,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-22 00:34:12,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-22 00:34:12,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-22 00:34:12,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-22 00:34:12,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-22 00:34:12,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 00:34:12,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-22 00:34:12,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-22 00:34:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-22 00:34:12,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-22 00:34:12,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-22 00:34:12,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-22 00:34:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-22 00:34:12,904 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-22 00:34:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-22 00:34:12,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-22 00:34:12,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-22 00:34:12,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-22 00:34:12,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-22 00:34:12,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-22 00:34:12,905 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-22 00:34:12,905 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-22 00:34:12,905 INFO L130 BoogieDeclarations]: Found specification of procedure mega_runpendq [2022-11-22 00:34:12,905 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_runpendq [2022-11-22 00:34:12,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_fs_char_dev__double_registration [2022-11-22 00:34:12,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_fs_char_dev__double_registration [2022-11-22 00:34:12,906 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-22 00:34:12,906 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-22 00:34:12,906 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-22 00:34:12,906 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-22 00:34:12,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-22 00:34:12,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-22 00:34:12,906 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-22 00:34:12,906 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-22 00:34:12,906 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-22 00:34:12,906 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-22 00:34:12,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-22 00:34:12,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-22 00:34:12,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2022-11-22 00:34:12,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2022-11-22 00:34:12,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_int_mtx_of_NOT_ARG_SIGN [2022-11-22 00:34:12,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_int_mtx_of_NOT_ARG_SIGN [2022-11-22 00:34:12,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 00:34:12,908 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2022-11-22 00:34:12,908 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2022-11-22 00:34:12,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-22 00:34:12,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-22 00:34:12,908 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-22 00:34:12,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-22 00:34:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 00:34:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_NOT_ARG_SIGN [2022-11-22 00:34:12,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_NOT_ARG_SIGN [2022-11-22 00:34:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-22 00:34:12,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-22 00:34:12,910 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-22 00:34:12,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-22 00:34:12,910 INFO L130 BoogieDeclarations]: Found specification of procedure mega_n_to_m [2022-11-22 00:34:12,910 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_n_to_m [2022-11-22 00:34:12,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 00:34:12,910 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-22 00:34:12,911 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 00:34:12,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 00:34:12,911 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-22 00:34:12,911 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-22 00:34:12,911 INFO L130 BoogieDeclarations]: Found specification of procedure mega_internal_command [2022-11-22 00:34:12,911 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_internal_command [2022-11-22 00:34:12,912 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2022-11-22 00:34:12,912 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2022-11-22 00:34:12,912 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-22 00:34:12,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-22 00:34:12,912 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_shutdown [2022-11-22 00:34:12,912 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_shutdown [2022-11-22 00:34:12,912 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-22 00:34:12,913 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-22 00:34:12,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-22 00:34:12,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-22 00:34:12,913 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2022-11-22 00:34:12,913 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2022-11-22 00:34:12,913 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-22 00:34:12,914 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-22 00:34:12,914 INFO L130 BoogieDeclarations]: Found specification of procedure proc_show_rdrv [2022-11-22 00:34:12,914 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_show_rdrv [2022-11-22 00:34:12,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 00:34:12,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 00:34:12,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-22 00:34:12,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-22 00:34:12,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 00:34:12,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 00:34:12,915 INFO L130 BoogieDeclarations]: Found specification of procedure mega_allocate_inquiry [2022-11-22 00:34:12,915 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_allocate_inquiry [2022-11-22 00:34:12,915 INFO L130 BoogieDeclarations]: Found specification of procedure free_local_pdev [2022-11-22 00:34:12,916 INFO L138 BoogieDeclarations]: Found implementation of procedure free_local_pdev [2022-11-22 00:34:12,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-22 00:34:12,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-22 00:34:12,916 INFO L130 BoogieDeclarations]: Found specification of procedure proc_show_pdrv [2022-11-22 00:34:12,916 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_show_pdrv [2022-11-22 00:34:12,916 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-22 00:34:12,917 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-22 00:34:12,917 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2022-11-22 00:34:12,917 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2022-11-22 00:34:12,917 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-22 00:34:12,917 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-22 00:34:12,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_NOT_ARG_SIGN [2022-11-22 00:34:12,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_NOT_ARG_SIGN [2022-11-22 00:34:12,918 INFO L130 BoogieDeclarations]: Found specification of procedure __megaraid_shutdown [2022-11-22 00:34:12,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __megaraid_shutdown [2022-11-22 00:34:12,918 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-22 00:34:12,918 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-22 00:34:12,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-22 00:34:12,919 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-22 00:34:12,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-22 00:34:12,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-22 00:34:12,919 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sglist [2022-11-22 00:34:12,919 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sglist [2022-11-22 00:34:12,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-22 00:34:12,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-22 00:34:12,920 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-22 00:34:12,920 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-22 00:34:12,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-22 00:34:12,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-22 00:34:12,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-22 00:34:12,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-22 00:34:12,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 00:34:12,921 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_reset [2022-11-22 00:34:12,921 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_reset [2022-11-22 00:34:12,921 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-22 00:34:12,921 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-22 00:34:12,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-22 00:34:12,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-22 00:34:12,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 00:34:12,922 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_queue [2022-11-22 00:34:12,922 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_queue [2022-11-22 00:34:12,922 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_biosparam [2022-11-22 00:34:12,922 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_biosparam [2022-11-22 00:34:12,923 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_remove_one [2022-11-22 00:34:12,923 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_remove_one [2022-11-22 00:34:12,923 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-22 00:34:12,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-22 00:34:12,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 00:34:12,923 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-22 00:34:12,924 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-22 00:34:12,924 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-22 00:34:12,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-22 00:34:12,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-22 00:34:12,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-22 00:34:12,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-22 00:34:12,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-22 00:34:12,925 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-22 00:34:12,925 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-22 00:34:12,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-22 00:34:12,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-22 00:34:12,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-22 00:34:12,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-22 00:34:12,926 INFO L130 BoogieDeclarations]: Found specification of procedure seq_write [2022-11-22 00:34:12,926 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_write [2022-11-22 00:34:12,926 INFO L130 BoogieDeclarations]: Found specification of procedure mega_allocate_scb [2022-11-22 00:34:12,926 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_allocate_scb [2022-11-22 00:34:12,927 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-22 00:34:12,927 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-22 00:34:12,927 INFO L130 BoogieDeclarations]: Found specification of procedure make_local_pdev [2022-11-22 00:34:12,927 INFO L138 BoogieDeclarations]: Found implementation of procedure make_local_pdev [2022-11-22 00:34:12,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-22 00:34:12,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-22 00:34:12,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-22 00:34:12,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-22 00:34:12,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-22 00:34:12,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-22 00:34:12,928 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-22 00:34:12,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-22 00:34:12,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-22 00:34:12,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-22 00:34:12,929 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-22 00:34:12,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-22 00:34:12,929 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-22 00:34:12,929 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-22 00:34:12,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-22 00:34:12,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-22 00:34:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 00:34:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-22 00:34:12,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-22 00:34:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-11-22 00:34:12,930 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-11-22 00:34:12,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 00:34:12,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 00:34:12,931 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-22 00:34:12,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-22 00:34:12,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-22 00:34:12,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-22 00:34:12,931 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-22 00:34:12,932 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-22 00:34:12,932 INFO L130 BoogieDeclarations]: Found specification of procedure mega_rundoneq [2022-11-22 00:34:12,932 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_rundoneq [2022-11-22 00:34:12,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-22 00:34:12,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-22 00:34:12,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-22 00:34:12,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-22 00:34:12,933 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-22 00:34:12,933 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-22 00:34:12,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 00:34:12,933 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-22 00:34:12,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-11-22 00:34:12,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2022-11-22 00:34:12,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2022-11-22 00:34:12,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_megadev_mutex [2022-11-22 00:34:12,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_megadev_mutex [2022-11-22 00:34:12,934 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_abort [2022-11-22 00:34:12,934 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_abort [2022-11-22 00:34:12,934 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2022-11-22 00:34:12,934 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2022-11-22 00:34:14,177 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 00:34:14,181 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 00:34:14,565 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 00:34:18,829 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##180: mega_build_cmd_#res#1.base, mega_build_cmd_#res#1.offset := 0, 0;call ULTIMATE.dealloc(mega_build_cmd_~#seg~0#1.base, mega_build_cmd_~#seg~0#1.offset);havoc mega_build_cmd_~#seg~0#1.base, mega_build_cmd_~#seg~0#1.offset; [2022-11-22 00:34:23,606 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 00:34:25,978 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 00:34:25,978 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-11-22 00:34:25,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:34:25 BoogieIcfgContainer [2022-11-22 00:34:25,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 00:34:25,990 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 00:34:25,990 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 00:34:25,994 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 00:34:25,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:34:05" (1/3) ... [2022-11-22 00:34:25,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f71fa9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:34:25, skipping insertion in model container [2022-11-22 00:34:25,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:34:11" (2/3) ... [2022-11-22 00:34:25,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f71fa9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:34:25, skipping insertion in model container [2022-11-22 00:34:25,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:34:25" (3/3) ... [2022-11-22 00:34:25,998 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i [2022-11-22 00:34:26,022 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 00:34:26,022 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 35 error locations. [2022-11-22 00:34:26,146 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 00:34:26,153 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;@31e965f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 00:34:26,153 INFO L358 AbstractCegarLoop]: Starting to check reachability of 35 error locations. [2022-11-22 00:34:26,168 INFO L276 IsEmpty]: Start isEmpty. Operand has 2166 states, 1275 states have (on average 1.3207843137254902) internal successors, (1684), 1367 states have internal predecessors, (1684), 725 states have call successors, (725), 131 states have call predecessors, (725), 130 states have return successors, (718), 708 states have call predecessors, (718), 718 states have call successors, (718) [2022-11-22 00:34:26,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-22 00:34:26,182 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:34:26,183 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:34:26,184 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-22 00:34:26,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:34:26,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1075959542, now seen corresponding path program 1 times [2022-11-22 00:34:26,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:34:26,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545303294] [2022-11-22 00:34:26,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:34:26,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:34:26,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:34:27,683 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-22 00:34:27,684 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:34:27,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545303294] [2022-11-22 00:34:27,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545303294] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:34:27,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:34:27,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 00:34:27,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793139748] [2022-11-22 00:34:27,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:34:27,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 00:34:27,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:34:27,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 00:34:27,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:34:27,764 INFO L87 Difference]: Start difference. First operand has 2166 states, 1275 states have (on average 1.3207843137254902) internal successors, (1684), 1367 states have internal predecessors, (1684), 725 states have call successors, (725), 131 states have call predecessors, (725), 130 states have return successors, (718), 708 states have call predecessors, (718), 718 states have call successors, (718) Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-22 00:34:30,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:34:37,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:34:37,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:34:37,496 INFO L93 Difference]: Finished difference Result 5606 states and 8198 transitions. [2022-11-22 00:34:37,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 00:34:37,499 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 46 [2022-11-22 00:34:37,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:34:37,551 INFO L225 Difference]: With dead ends: 5606 [2022-11-22 00:34:37,551 INFO L226 Difference]: Without dead ends: 3441 [2022-11-22 00:34:37,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-22 00:34:37,581 INFO L413 NwaCegarLoop]: 3225 mSDtfsCounter, 1824 mSDsluCounter, 9100 mSDsCounter, 0 mSdLazyCounter, 1456 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1825 SdHoareTripleChecker+Valid, 12325 SdHoareTripleChecker+Invalid, 1465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1456 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:34:37,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1825 Valid, 12325 Invalid, 1465 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1456 Invalid, 2 Unknown, 0 Unchecked, 9.1s Time] [2022-11-22 00:34:37,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3441 states. [2022-11-22 00:34:37,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3441 to 3371. [2022-11-22 00:34:37,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3371 states, 1979 states have (on average 1.2758969176351693) internal successors, (2525), 2104 states have internal predecessors, (2525), 1123 states have call successors, (1123), 235 states have call predecessors, (1123), 234 states have return successors, (1121), 1104 states have call predecessors, (1121), 1121 states have call successors, (1121) [2022-11-22 00:34:38,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3371 states to 3371 states and 4769 transitions. [2022-11-22 00:34:38,006 INFO L78 Accepts]: Start accepts. Automaton has 3371 states and 4769 transitions. Word has length 46 [2022-11-22 00:34:38,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:34:38,007 INFO L495 AbstractCegarLoop]: Abstraction has 3371 states and 4769 transitions. [2022-11-22 00:34:38,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-22 00:34:38,008 INFO L276 IsEmpty]: Start isEmpty. Operand 3371 states and 4769 transitions. [2022-11-22 00:34:38,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-22 00:34:38,020 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:34:38,020 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:34:38,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 00:34:38,021 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-22 00:34:38,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:34:38,022 INFO L85 PathProgramCache]: Analyzing trace with hash -302872922, now seen corresponding path program 1 times [2022-11-22 00:34:38,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:34:38,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094233502] [2022-11-22 00:34:38,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:34:38,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:34:38,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:34:38,912 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-11-22 00:34:38,913 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:34:38,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094233502] [2022-11-22 00:34:38,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094233502] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:34:38,914 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:34:38,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 00:34:38,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371560223] [2022-11-22 00:34:38,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:34:38,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 00:34:38,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:34:38,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 00:34:38,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:34:38,917 INFO L87 Difference]: Start difference. First operand 3371 states and 4769 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-22 00:34:41,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:34:48,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:34:50,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:34:52,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:34:54,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:34:54,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:34:54,858 INFO L93 Difference]: Finished difference Result 4401 states and 6132 transitions. [2022-11-22 00:34:54,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 00:34:54,859 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 61 [2022-11-22 00:34:54,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:34:54,903 INFO L225 Difference]: With dead ends: 4401 [2022-11-22 00:34:54,903 INFO L226 Difference]: Without dead ends: 4399 [2022-11-22 00:34:54,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-22 00:34:54,909 INFO L413 NwaCegarLoop]: 3136 mSDtfsCounter, 1810 mSDsluCounter, 8950 mSDsCounter, 0 mSdLazyCounter, 1434 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1811 SdHoareTripleChecker+Valid, 12086 SdHoareTripleChecker+Invalid, 1439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1434 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2022-11-22 00:34:54,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1811 Valid, 12086 Invalid, 1439 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1434 Invalid, 4 Unknown, 0 Unchecked, 15.5s Time] [2022-11-22 00:34:54,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4399 states. [2022-11-22 00:34:55,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4399 to 4234. [2022-11-22 00:34:55,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4234 states, 2480 states have (on average 1.2713709677419356) internal successors, (3153), 2630 states have internal predecessors, (3153), 1412 states have call successors, (1412), 308 states have call predecessors, (1412), 307 states have return successors, (1410), 1390 states have call predecessors, (1410), 1410 states have call successors, (1410) [2022-11-22 00:34:55,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4234 states to 4234 states and 5975 transitions. [2022-11-22 00:34:55,308 INFO L78 Accepts]: Start accepts. Automaton has 4234 states and 5975 transitions. Word has length 61 [2022-11-22 00:34:55,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:34:55,309 INFO L495 AbstractCegarLoop]: Abstraction has 4234 states and 5975 transitions. [2022-11-22 00:34:55,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-22 00:34:55,310 INFO L276 IsEmpty]: Start isEmpty. Operand 4234 states and 5975 transitions. [2022-11-22 00:34:55,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-22 00:34:55,317 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:34:55,318 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:34:55,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 00:34:55,319 INFO L420 AbstractCegarLoop]: === Iteration 3 === 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 33 more)] === [2022-11-22 00:34:55,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:34:55,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1264569421, now seen corresponding path program 1 times [2022-11-22 00:34:55,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:34:55,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011732631] [2022-11-22 00:34:55,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:34:55,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:34:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:34:56,089 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-22 00:34:56,090 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:34:56,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011732631] [2022-11-22 00:34:56,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011732631] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:34:56,090 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:34:56,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:34:56,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808011630] [2022-11-22 00:34:56,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:34:56,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:34:56,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:34:56,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:34:56,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:34:56,093 INFO L87 Difference]: Start difference. First operand 4234 states and 5975 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) [2022-11-22 00:34:58,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:35:04,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:35:06,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:35:07,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:35:07,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:35:07,794 INFO L93 Difference]: Finished difference Result 6397 states and 8960 transitions. [2022-11-22 00:35:07,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 00:35:07,795 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 63 [2022-11-22 00:35:07,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:35:07,847 INFO L225 Difference]: With dead ends: 6397 [2022-11-22 00:35:07,848 INFO L226 Difference]: Without dead ends: 6395 [2022-11-22 00:35:07,854 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 [2022-11-22 00:35:07,855 INFO L413 NwaCegarLoop]: 3156 mSDtfsCounter, 1786 mSDsluCounter, 5845 mSDsCounter, 0 mSdLazyCounter, 1081 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1788 SdHoareTripleChecker+Valid, 9001 SdHoareTripleChecker+Invalid, 1084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1081 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2022-11-22 00:35:07,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1788 Valid, 9001 Invalid, 1084 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1081 Invalid, 2 Unknown, 0 Unchecked, 11.2s Time] [2022-11-22 00:35:07,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6395 states. [2022-11-22 00:35:08,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6395 to 6122. [2022-11-22 00:35:08,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6122 states, 3572 states have (on average 1.263157894736842) internal successors, (4512), 3786 states have internal predecessors, (4512), 2068 states have call successors, (2068), 448 states have call predecessors, (2068), 447 states have return successors, (2075), 2035 states have call predecessors, (2075), 2066 states have call successors, (2075) [2022-11-22 00:35:08,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6122 states to 6122 states and 8655 transitions. [2022-11-22 00:35:08,242 INFO L78 Accepts]: Start accepts. Automaton has 6122 states and 8655 transitions. Word has length 63 [2022-11-22 00:35:08,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:35:08,243 INFO L495 AbstractCegarLoop]: Abstraction has 6122 states and 8655 transitions. [2022-11-22 00:35:08,243 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) [2022-11-22 00:35:08,243 INFO L276 IsEmpty]: Start isEmpty. Operand 6122 states and 8655 transitions. [2022-11-22 00:35:08,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-22 00:35:08,245 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:35:08,245 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:35:08,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 00:35:08,246 INFO L420 AbstractCegarLoop]: === Iteration 4 === 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 33 more)] === [2022-11-22 00:35:08,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:35:08,246 INFO L85 PathProgramCache]: Analyzing trace with hash -766156819, now seen corresponding path program 1 times [2022-11-22 00:35:08,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:35:08,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228542838] [2022-11-22 00:35:08,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:35:08,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:35:08,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:35:10,837 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-22 00:35:10,837 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:35:10,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228542838] [2022-11-22 00:35:10,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228542838] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:35:10,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:35:10,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-22 00:35:10,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304739535] [2022-11-22 00:35:10,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:35:10,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-22 00:35:10,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:35:10,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-22 00:35:10,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2022-11-22 00:35:10,839 INFO L87 Difference]: Start difference. First operand 6122 states and 8655 transitions. Second operand has 13 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 11 states have internal predecessors, (33), 7 states have call successors, (13), 1 states have call predecessors, (13), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2022-11-22 00:35:14,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:35:21,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:35:23,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:35:29,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:35:30,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:35:30,948 INFO L93 Difference]: Finished difference Result 8310 states and 11671 transitions. [2022-11-22 00:35:30,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-22 00:35:30,949 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 11 states have internal predecessors, (33), 7 states have call successors, (13), 1 states have call predecessors, (13), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) Word has length 66 [2022-11-22 00:35:30,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:35:30,992 INFO L225 Difference]: With dead ends: 8310 [2022-11-22 00:35:30,992 INFO L226 Difference]: Without dead ends: 6201 [2022-11-22 00:35:31,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-11-22 00:35:31,008 INFO L413 NwaCegarLoop]: 2688 mSDtfsCounter, 33 mSDsluCounter, 29316 mSDsCounter, 0 mSdLazyCounter, 4919 mSolverCounterSat, 118 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 32004 SdHoareTripleChecker+Invalid, 5039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 4919 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.5s IncrementalHoareTripleChecker+Time [2022-11-22 00:35:31,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 32004 Invalid, 5039 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [118 Valid, 4919 Invalid, 2 Unknown, 0 Unchecked, 19.5s Time] [2022-11-22 00:35:31,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6201 states. [2022-11-22 00:35:31,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6201 to 6149. [2022-11-22 00:35:31,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6149 states, 3587 states have (on average 1.2620574296069138) internal successors, (4527), 3801 states have internal predecessors, (4527), 2080 states have call successors, (2080), 448 states have call predecessors, (2080), 447 states have return successors, (2087), 2047 states have call predecessors, (2087), 2078 states have call successors, (2087) [2022-11-22 00:35:31,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6149 states to 6149 states and 8694 transitions. [2022-11-22 00:35:31,398 INFO L78 Accepts]: Start accepts. Automaton has 6149 states and 8694 transitions. Word has length 66 [2022-11-22 00:35:31,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:35:31,398 INFO L495 AbstractCegarLoop]: Abstraction has 6149 states and 8694 transitions. [2022-11-22 00:35:31,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 11 states have internal predecessors, (33), 7 states have call successors, (13), 1 states have call predecessors, (13), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2022-11-22 00:35:31,400 INFO L276 IsEmpty]: Start isEmpty. Operand 6149 states and 8694 transitions. [2022-11-22 00:35:31,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-22 00:35:31,402 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:35:31,402 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:35:31,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 00:35:31,403 INFO L420 AbstractCegarLoop]: === Iteration 5 === 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 33 more)] === [2022-11-22 00:35:31,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:35:31,403 INFO L85 PathProgramCache]: Analyzing trace with hash 2117294401, now seen corresponding path program 1 times [2022-11-22 00:35:31,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:35:31,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444294500] [2022-11-22 00:35:31,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:35:31,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:35:31,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:35:32,044 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-22 00:35:32,045 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:35:32,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444294500] [2022-11-22 00:35:32,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444294500] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:35:32,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:35:32,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:35:32,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627433693] [2022-11-22 00:35:32,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:35:32,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:35:32,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:35:32,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:35:32,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:35:32,049 INFO L87 Difference]: Start difference. First operand 6149 states and 8694 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) [2022-11-22 00:35:34,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:35:40,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:35:42,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:35:43,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:35:44,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:35:44,123 INFO L93 Difference]: Finished difference Result 6314 states and 8848 transitions. [2022-11-22 00:35:44,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 00:35:44,123 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 68 [2022-11-22 00:35:44,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:35:44,166 INFO L225 Difference]: With dead ends: 6314 [2022-11-22 00:35:44,166 INFO L226 Difference]: Without dead ends: 6312 [2022-11-22 00:35:44,172 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 [2022-11-22 00:35:44,173 INFO L413 NwaCegarLoop]: 3149 mSDtfsCounter, 1796 mSDsluCounter, 5828 mSDsCounter, 0 mSdLazyCounter, 1082 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1798 SdHoareTripleChecker+Valid, 8977 SdHoareTripleChecker+Invalid, 1085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1082 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2022-11-22 00:35:44,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1798 Valid, 8977 Invalid, 1085 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1082 Invalid, 2 Unknown, 0 Unchecked, 11.7s Time] [2022-11-22 00:35:44,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6312 states. [2022-11-22 00:35:44,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6312 to 6160. [2022-11-22 00:35:44,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6160 states, 3594 states have (on average 1.261547022815804) internal successors, (4534), 3808 states have internal predecessors, (4534), 2082 states have call successors, (2082), 450 states have call predecessors, (2082), 449 states have return successors, (2089), 2049 states have call predecessors, (2089), 2080 states have call successors, (2089) [2022-11-22 00:35:44,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6160 states to 6160 states and 8705 transitions. [2022-11-22 00:35:44,585 INFO L78 Accepts]: Start accepts. Automaton has 6160 states and 8705 transitions. Word has length 68 [2022-11-22 00:35:44,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:35:44,585 INFO L495 AbstractCegarLoop]: Abstraction has 6160 states and 8705 transitions. [2022-11-22 00:35:44,586 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) [2022-11-22 00:35:44,586 INFO L276 IsEmpty]: Start isEmpty. Operand 6160 states and 8705 transitions. [2022-11-22 00:35:44,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-22 00:35:44,587 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:35:44,587 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:35:44,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 00:35:44,588 INFO L420 AbstractCegarLoop]: === Iteration 6 === 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 33 more)] === [2022-11-22 00:35:44,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:35:44,589 INFO L85 PathProgramCache]: Analyzing trace with hash 505860534, now seen corresponding path program 1 times [2022-11-22 00:35:44,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:35:44,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094947290] [2022-11-22 00:35:44,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:35:44,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:35:44,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:35:45,198 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-22 00:35:45,199 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:35:45,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094947290] [2022-11-22 00:35:45,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094947290] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:35:45,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:35:45,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:35:45,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781349046] [2022-11-22 00:35:45,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:35:45,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:35:45,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:35:45,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:35:45,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:35:45,202 INFO L87 Difference]: Start difference. First operand 6160 states and 8705 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) [2022-11-22 00:35:48,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:35:52,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:35:52,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:35:52,580 INFO L93 Difference]: Finished difference Result 6292 states and 8865 transitions. [2022-11-22 00:35:52,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 00:35:52,581 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 73 [2022-11-22 00:35:52,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:35:52,616 INFO L225 Difference]: With dead ends: 6292 [2022-11-22 00:35:52,616 INFO L226 Difference]: Without dead ends: 6290 [2022-11-22 00:35:52,621 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 [2022-11-22 00:35:52,622 INFO L413 NwaCegarLoop]: 2751 mSDtfsCounter, 3032 mSDsluCounter, 2886 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3036 SdHoareTripleChecker+Valid, 5637 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:35:52,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3036 Valid, 5637 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 747 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2022-11-22 00:35:52,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6290 states. [2022-11-22 00:35:52,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6290 to 6286. [2022-11-22 00:35:52,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6286 states, 3669 states have (on average 1.2608340147179067) internal successors, (4626), 3884 states have internal predecessors, (4626), 2112 states have call successors, (2112), 472 states have call predecessors, (2112), 471 states have return successors, (2119), 2078 states have call predecessors, (2119), 2110 states have call successors, (2119) [2022-11-22 00:35:53,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6286 states to 6286 states and 8857 transitions. [2022-11-22 00:35:53,018 INFO L78 Accepts]: Start accepts. Automaton has 6286 states and 8857 transitions. Word has length 73 [2022-11-22 00:35:53,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:35:53,018 INFO L495 AbstractCegarLoop]: Abstraction has 6286 states and 8857 transitions. [2022-11-22 00:35:53,019 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) [2022-11-22 00:35:53,019 INFO L276 IsEmpty]: Start isEmpty. Operand 6286 states and 8857 transitions. [2022-11-22 00:35:53,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-22 00:35:53,022 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:35:53,022 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:35:53,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 00:35:53,023 INFO L420 AbstractCegarLoop]: === Iteration 7 === 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 33 more)] === [2022-11-22 00:35:53,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:35:53,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1258216811, now seen corresponding path program 1 times [2022-11-22 00:35:53,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:35:53,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304825554] [2022-11-22 00:35:53,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:35:53,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:35:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:35:53,572 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-22 00:35:53,572 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:35:53,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304825554] [2022-11-22 00:35:53,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304825554] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:35:53,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:35:53,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:35:53,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443243982] [2022-11-22 00:35:53,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:35:53,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:35:53,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:35:53,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:35:53,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:35:53,574 INFO L87 Difference]: Start difference. First operand 6286 states and 8857 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) [2022-11-22 00:35:55,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:35:58,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:36:02,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:36:03,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:36:03,089 INFO L93 Difference]: Finished difference Result 6436 states and 8995 transitions. [2022-11-22 00:36:03,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 00:36:03,089 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 78 [2022-11-22 00:36:03,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:36:03,121 INFO L225 Difference]: With dead ends: 6436 [2022-11-22 00:36:03,121 INFO L226 Difference]: Without dead ends: 6434 [2022-11-22 00:36:03,126 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 [2022-11-22 00:36:03,127 INFO L413 NwaCegarLoop]: 3147 mSDtfsCounter, 1790 mSDsluCounter, 5824 mSDsCounter, 0 mSdLazyCounter, 1080 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1792 SdHoareTripleChecker+Valid, 8971 SdHoareTripleChecker+Invalid, 1083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1080 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:36:03,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1792 Valid, 8971 Invalid, 1083 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1080 Invalid, 2 Unknown, 0 Unchecked, 9.1s Time] [2022-11-22 00:36:03,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6434 states. [2022-11-22 00:36:03,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6434 to 6296. [2022-11-22 00:36:03,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6296 states, 3675 states have (on average 1.2601360544217688) internal successors, (4631), 3890 states have internal predecessors, (4631), 2114 states have call successors, (2114), 474 states have call predecessors, (2114), 473 states have return successors, (2121), 2080 states have call predecessors, (2121), 2112 states have call successors, (2121) [2022-11-22 00:36:03,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6296 states to 6296 states and 8866 transitions. [2022-11-22 00:36:03,607 INFO L78 Accepts]: Start accepts. Automaton has 6296 states and 8866 transitions. Word has length 78 [2022-11-22 00:36:03,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:36:03,608 INFO L495 AbstractCegarLoop]: Abstraction has 6296 states and 8866 transitions. [2022-11-22 00:36:03,609 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) [2022-11-22 00:36:03,609 INFO L276 IsEmpty]: Start isEmpty. Operand 6296 states and 8866 transitions. [2022-11-22 00:36:03,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-22 00:36:03,617 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:36:03,619 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:36:03,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 00:36:03,620 INFO L420 AbstractCegarLoop]: === Iteration 8 === 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 33 more)] === [2022-11-22 00:36:03,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:36:03,621 INFO L85 PathProgramCache]: Analyzing trace with hash -144141409, now seen corresponding path program 1 times [2022-11-22 00:36:03,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:36:03,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514597525] [2022-11-22 00:36:03,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:36:03,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:36:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:36:04,205 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-22 00:36:04,205 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:36:04,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514597525] [2022-11-22 00:36:04,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514597525] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:36:04,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:36:04,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:36:04,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818467419] [2022-11-22 00:36:04,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:36:04,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:36:04,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:36:04,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:36:04,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:36:04,209 INFO L87 Difference]: Start difference. First operand 6296 states and 8866 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) [2022-11-22 00:36:06,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:36:12,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:36:12,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:36:12,944 INFO L93 Difference]: Finished difference Result 6434 states and 8992 transitions. [2022-11-22 00:36:12,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 00:36:12,945 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 83 [2022-11-22 00:36:12,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:36:12,973 INFO L225 Difference]: With dead ends: 6434 [2022-11-22 00:36:12,973 INFO L226 Difference]: Without dead ends: 6432 [2022-11-22 00:36:12,978 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 [2022-11-22 00:36:12,979 INFO L413 NwaCegarLoop]: 3147 mSDtfsCounter, 1787 mSDsluCounter, 5824 mSDsCounter, 0 mSdLazyCounter, 1083 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1789 SdHoareTripleChecker+Valid, 8971 SdHoareTripleChecker+Invalid, 1085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1083 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-11-22 00:36:12,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1789 Valid, 8971 Invalid, 1085 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1083 Invalid, 1 Unknown, 0 Unchecked, 8.3s Time] [2022-11-22 00:36:12,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6432 states. [2022-11-22 00:36:13,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6432 to 6301. [2022-11-22 00:36:13,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6301 states, 3678 states have (on average 1.259651984774334) internal successors, (4633), 3893 states have internal predecessors, (4633), 2115 states have call successors, (2115), 475 states have call predecessors, (2115), 474 states have return successors, (2122), 2081 states have call predecessors, (2122), 2113 states have call successors, (2122) [2022-11-22 00:36:13,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6301 states to 6301 states and 8870 transitions. [2022-11-22 00:36:13,471 INFO L78 Accepts]: Start accepts. Automaton has 6301 states and 8870 transitions. Word has length 83 [2022-11-22 00:36:13,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:36:13,472 INFO L495 AbstractCegarLoop]: Abstraction has 6301 states and 8870 transitions. [2022-11-22 00:36:13,472 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) [2022-11-22 00:36:13,472 INFO L276 IsEmpty]: Start isEmpty. Operand 6301 states and 8870 transitions. [2022-11-22 00:36:13,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-22 00:36:13,474 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:36:13,475 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:36:13,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-22 00:36:13,475 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_net_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-22 00:36:13,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:36:13,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1784626994, now seen corresponding path program 1 times [2022-11-22 00:36:13,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:36:13,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278577757] [2022-11-22 00:36:13,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:36:13,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:36:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:36:14,050 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2022-11-22 00:36:14,050 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:36:14,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278577757] [2022-11-22 00:36:14,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278577757] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:36:14,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:36:14,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:36:14,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636208207] [2022-11-22 00:36:14,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:36:14,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:36:14,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:36:14,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:36:14,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:36:14,054 INFO L87 Difference]: Start difference. First operand 6301 states and 8870 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-22 00:36:16,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:36:18,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:36:19,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:36:19,005 INFO L93 Difference]: Finished difference Result 12574 states and 17704 transitions. [2022-11-22 00:36:19,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:36:19,006 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 101 [2022-11-22 00:36:19,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:36:19,042 INFO L225 Difference]: With dead ends: 12574 [2022-11-22 00:36:19,042 INFO L226 Difference]: Without dead ends: 6293 [2022-11-22 00:36:19,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:36:19,081 INFO L413 NwaCegarLoop]: 2701 mSDtfsCounter, 3048 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3048 SdHoareTripleChecker+Valid, 2701 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-22 00:36:19,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3048 Valid, 2701 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-11-22 00:36:19,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6293 states. [2022-11-22 00:36:19,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6293 to 6293. [2022-11-22 00:36:19,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6293 states, 3671 states have (on average 1.2585126668482702) internal successors, (4620), 3885 states have internal predecessors, (4620), 2115 states have call successors, (2115), 475 states have call predecessors, (2115), 474 states have return successors, (2122), 2081 states have call predecessors, (2122), 2113 states have call successors, (2122) [2022-11-22 00:36:19,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6293 states to 6293 states and 8857 transitions. [2022-11-22 00:36:19,718 INFO L78 Accepts]: Start accepts. Automaton has 6293 states and 8857 transitions. Word has length 101 [2022-11-22 00:36:19,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:36:19,719 INFO L495 AbstractCegarLoop]: Abstraction has 6293 states and 8857 transitions. [2022-11-22 00:36:19,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-22 00:36:19,719 INFO L276 IsEmpty]: Start isEmpty. Operand 6293 states and 8857 transitions. [2022-11-22 00:36:19,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-22 00:36:19,722 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:36:19,722 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:36:19,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-22 00:36:19,723 INFO L420 AbstractCegarLoop]: === Iteration 10 === 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 33 more)] === [2022-11-22 00:36:19,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:36:19,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1397217625, now seen corresponding path program 1 times [2022-11-22 00:36:19,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:36:19,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841159019] [2022-11-22 00:36:19,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:36:19,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:36:19,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:36:20,249 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-22 00:36:20,249 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:36:20,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841159019] [2022-11-22 00:36:20,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841159019] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:36:20,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:36:20,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:36:20,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993707645] [2022-11-22 00:36:20,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:36:20,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:36:20,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:36:20,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:36:20,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:36:20,252 INFO L87 Difference]: Start difference. First operand 6293 states and 8857 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (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) [2022-11-22 00:36:22,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:36:25,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:36:29,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:36:30,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:36:31,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:36:31,001 INFO L93 Difference]: Finished difference Result 6359 states and 8897 transitions. [2022-11-22 00:36:31,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 00:36:31,001 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (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 88 [2022-11-22 00:36:31,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:36:31,120 INFO L225 Difference]: With dead ends: 6359 [2022-11-22 00:36:31,120 INFO L226 Difference]: Without dead ends: 6357 [2022-11-22 00:36:31,123 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 [2022-11-22 00:36:31,130 INFO L413 NwaCegarLoop]: 3754 mSDtfsCounter, 1776 mSDsluCounter, 6381 mSDsCounter, 0 mSdLazyCounter, 1212 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1778 SdHoareTripleChecker+Valid, 10135 SdHoareTripleChecker+Invalid, 1216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1212 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2022-11-22 00:36:31,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1778 Valid, 10135 Invalid, 1216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1212 Invalid, 2 Unknown, 0 Unchecked, 10.3s Time] [2022-11-22 00:36:31,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6357 states. [2022-11-22 00:36:31,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6357 to 6293. [2022-11-22 00:36:31,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6293 states, 3671 states have (on average 1.257967856169981) internal successors, (4618), 3885 states have internal predecessors, (4618), 2115 states have call successors, (2115), 475 states have call predecessors, (2115), 474 states have return successors, (2122), 2081 states have call predecessors, (2122), 2113 states have call successors, (2122) [2022-11-22 00:36:31,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6293 states to 6293 states and 8855 transitions. [2022-11-22 00:36:31,665 INFO L78 Accepts]: Start accepts. Automaton has 6293 states and 8855 transitions. Word has length 88 [2022-11-22 00:36:31,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:36:31,666 INFO L495 AbstractCegarLoop]: Abstraction has 6293 states and 8855 transitions. [2022-11-22 00:36:31,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (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) [2022-11-22 00:36:31,667 INFO L276 IsEmpty]: Start isEmpty. Operand 6293 states and 8855 transitions. [2022-11-22 00:36:31,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-22 00:36:31,669 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:36:31,669 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:36:31,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-22 00:36:31,669 INFO L420 AbstractCegarLoop]: === Iteration 11 === 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 33 more)] === [2022-11-22 00:36:31,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:36:31,670 INFO L85 PathProgramCache]: Analyzing trace with hash 943110170, now seen corresponding path program 1 times [2022-11-22 00:36:31,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:36:31,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315442173] [2022-11-22 00:36:31,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:36:31,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:36:31,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:36:32,177 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-22 00:36:32,177 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:36:32,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315442173] [2022-11-22 00:36:32,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315442173] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:36:32,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:36:32,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:36:32,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141014596] [2022-11-22 00:36:32,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:36:32,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:36:32,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:36:32,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:36:32,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:36:32,180 INFO L87 Difference]: Start difference. First operand 6293 states and 8855 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2022-11-22 00:36:34,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:36:40,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:36:43,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:36:43,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:36:43,552 INFO L93 Difference]: Finished difference Result 6422 states and 8973 transitions. [2022-11-22 00:36:43,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 00:36:43,552 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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 93 [2022-11-22 00:36:43,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:36:43,584 INFO L225 Difference]: With dead ends: 6422 [2022-11-22 00:36:43,584 INFO L226 Difference]: Without dead ends: 6420 [2022-11-22 00:36:43,589 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 [2022-11-22 00:36:43,590 INFO L413 NwaCegarLoop]: 3142 mSDtfsCounter, 1778 mSDsluCounter, 5814 mSDsCounter, 0 mSdLazyCounter, 1082 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1780 SdHoareTripleChecker+Valid, 8956 SdHoareTripleChecker+Invalid, 1085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1082 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2022-11-22 00:36:43,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1780 Valid, 8956 Invalid, 1085 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1082 Invalid, 2 Unknown, 0 Unchecked, 10.9s Time] [2022-11-22 00:36:43,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6420 states. [2022-11-22 00:36:44,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6420 to 6303. [2022-11-22 00:36:44,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6303 states, 3677 states have (on average 1.2575469132444927) internal successors, (4624), 3891 states have internal predecessors, (4624), 2117 states have call successors, (2117), 477 states have call predecessors, (2117), 476 states have return successors, (2124), 2083 states have call predecessors, (2124), 2115 states have call successors, (2124) [2022-11-22 00:36:44,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6303 states to 6303 states and 8865 transitions. [2022-11-22 00:36:44,129 INFO L78 Accepts]: Start accepts. Automaton has 6303 states and 8865 transitions. Word has length 93 [2022-11-22 00:36:44,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:36:44,132 INFO L495 AbstractCegarLoop]: Abstraction has 6303 states and 8865 transitions. [2022-11-22 00:36:44,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2022-11-22 00:36:44,132 INFO L276 IsEmpty]: Start isEmpty. Operand 6303 states and 8865 transitions. [2022-11-22 00:36:44,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-22 00:36:44,134 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:36:44,134 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:36:44,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-22 00:36:44,135 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_usb_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-22 00:36:44,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:36:44,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1918272859, now seen corresponding path program 1 times [2022-11-22 00:36:44,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:36:44,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685813439] [2022-11-22 00:36:44,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:36:44,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:36:44,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:36:44,895 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-11-22 00:36:44,895 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:36:44,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685813439] [2022-11-22 00:36:44,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685813439] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 00:36:44,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1243954571] [2022-11-22 00:36:44,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:36:44,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:36:44,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:36:44,903 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 00:36:44,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 00:36:46,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:36:46,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 3197 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-22 00:36:46,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:36:46,904 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2022-11-22 00:36:46,904 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 00:36:46,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1243954571] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:36:46,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 00:36:46,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2022-11-22 00:36:46,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116666300] [2022-11-22 00:36:46,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:36:46,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:36:46,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:36:46,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:36:46,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-22 00:36:46,907 INFO L87 Difference]: Start difference. First operand 6303 states and 8865 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-22 00:36:49,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:36:52,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:36:52,811 INFO L93 Difference]: Finished difference Result 12805 states and 17970 transitions. [2022-11-22 00:36:52,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:36:52,812 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 109 [2022-11-22 00:36:52,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:36:52,853 INFO L225 Difference]: With dead ends: 12805 [2022-11-22 00:36:52,853 INFO L226 Difference]: Without dead ends: 6522 [2022-11-22 00:36:52,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-22 00:36:52,888 INFO L413 NwaCegarLoop]: 2794 mSDtfsCounter, 2689 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2689 SdHoareTripleChecker+Valid, 3317 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-22 00:36:52,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2689 Valid, 3317 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 465 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2022-11-22 00:36:52,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6522 states. [2022-11-22 00:36:53,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6522 to 6516. [2022-11-22 00:36:53,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6516 states, 3801 states have (on average 1.2551960010523546) internal successors, (4771), 4022 states have internal predecessors, (4771), 2171 states have call successors, (2171), 513 states have call predecessors, (2171), 511 states have return successors, (2178), 2135 states have call predecessors, (2178), 2169 states have call successors, (2178) [2022-11-22 00:36:53,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6516 states to 6516 states and 9120 transitions. [2022-11-22 00:36:53,616 INFO L78 Accepts]: Start accepts. Automaton has 6516 states and 9120 transitions. Word has length 109 [2022-11-22 00:36:53,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:36:53,617 INFO L495 AbstractCegarLoop]: Abstraction has 6516 states and 9120 transitions. [2022-11-22 00:36:53,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-22 00:36:53,617 INFO L276 IsEmpty]: Start isEmpty. Operand 6516 states and 9120 transitions. [2022-11-22 00:36:53,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-22 00:36:53,620 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:36:53,620 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:36:53,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-22 00:36:53,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-22 00:36:53,845 INFO L420 AbstractCegarLoop]: === Iteration 13 === 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 33 more)] === [2022-11-22 00:36:53,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:36:53,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1577683510, now seen corresponding path program 1 times [2022-11-22 00:36:53,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:36:53,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813762105] [2022-11-22 00:36:53,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:36:53,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:36:53,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:36:54,374 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-22 00:36:54,374 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:36:54,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813762105] [2022-11-22 00:36:54,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813762105] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:36:54,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:36:54,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:36:54,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454724994] [2022-11-22 00:36:54,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:36:54,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:36:54,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:36:54,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:36:54,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:36:54,377 INFO L87 Difference]: Start difference. First operand 6516 states and 9120 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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) [2022-11-22 00:36:57,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:36:59,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:37:04,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:37:05,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:37:07,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:37:07,094 INFO L93 Difference]: Finished difference Result 9058 states and 12634 transitions. [2022-11-22 00:37:07,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 00:37:07,095 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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 98 [2022-11-22 00:37:07,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:37:07,128 INFO L225 Difference]: With dead ends: 9058 [2022-11-22 00:37:07,129 INFO L226 Difference]: Without dead ends: 9056 [2022-11-22 00:37:07,134 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 [2022-11-22 00:37:07,135 INFO L413 NwaCegarLoop]: 3400 mSDtfsCounter, 3008 mSDsluCounter, 6068 mSDsCounter, 0 mSdLazyCounter, 1069 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3010 SdHoareTripleChecker+Valid, 9468 SdHoareTripleChecker+Invalid, 1072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1069 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2022-11-22 00:37:07,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3010 Valid, 9468 Invalid, 1072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1069 Invalid, 2 Unknown, 0 Unchecked, 11.9s Time] [2022-11-22 00:37:07,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9056 states. [2022-11-22 00:37:07,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9056 to 8875. [2022-11-22 00:37:07,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8875 states, 5210 states have (on average 1.2625719769673704) internal successors, (6578), 5495 states have internal predecessors, (6578), 2937 states have call successors, (2937), 698 states have call predecessors, (2937), 695 states have return successors, (2944), 2884 states have call predecessors, (2944), 2935 states have call successors, (2944) [2022-11-22 00:37:07,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8875 states to 8875 states and 12459 transitions. [2022-11-22 00:37:07,932 INFO L78 Accepts]: Start accepts. Automaton has 8875 states and 12459 transitions. Word has length 98 [2022-11-22 00:37:07,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:37:07,933 INFO L495 AbstractCegarLoop]: Abstraction has 8875 states and 12459 transitions. [2022-11-22 00:37:07,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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) [2022-11-22 00:37:07,934 INFO L276 IsEmpty]: Start isEmpty. Operand 8875 states and 12459 transitions. [2022-11-22 00:37:07,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-22 00:37:07,936 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:37:07,937 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:37:07,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-22 00:37:07,937 INFO L420 AbstractCegarLoop]: === Iteration 14 === 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 33 more)] === [2022-11-22 00:37:07,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:37:07,938 INFO L85 PathProgramCache]: Analyzing trace with hash 30539353, now seen corresponding path program 1 times [2022-11-22 00:37:07,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:37:07,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304863834] [2022-11-22 00:37:07,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:37:07,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:37:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:37:08,475 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-22 00:37:08,476 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:37:08,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304863834] [2022-11-22 00:37:08,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304863834] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:37:08,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:37:08,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:37:08,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347130383] [2022-11-22 00:37:08,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:37:08,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:37:08,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:37:08,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:37:08,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:37:08,480 INFO L87 Difference]: Start difference. First operand 8875 states and 12459 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) [2022-11-22 00:37:10,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:37:13,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:37:18,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:37:18,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:37:18,764 INFO L93 Difference]: Finished difference Result 8988 states and 12561 transitions. [2022-11-22 00:37:18,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 00:37:18,765 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 100 [2022-11-22 00:37:18,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:37:18,793 INFO L225 Difference]: With dead ends: 8988 [2022-11-22 00:37:18,793 INFO L226 Difference]: Without dead ends: 8986 [2022-11-22 00:37:18,797 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 [2022-11-22 00:37:18,798 INFO L413 NwaCegarLoop]: 3143 mSDtfsCounter, 1766 mSDsluCounter, 5815 mSDsCounter, 0 mSdLazyCounter, 1080 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1768 SdHoareTripleChecker+Valid, 8958 SdHoareTripleChecker+Invalid, 1083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1080 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2022-11-22 00:37:18,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1768 Valid, 8958 Invalid, 1083 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1080 Invalid, 2 Unknown, 0 Unchecked, 9.6s Time] [2022-11-22 00:37:18,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8986 states. [2022-11-22 00:37:19,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8986 to 8882. [2022-11-22 00:37:19,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8882 states, 5215 states have (on average 1.2621284755512943) internal successors, (6582), 5500 states have internal predecessors, (6582), 2938 states have call successors, (2938), 699 states have call predecessors, (2938), 696 states have return successors, (2945), 2885 states have call predecessors, (2945), 2936 states have call successors, (2945) [2022-11-22 00:37:19,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8882 states to 8882 states and 12465 transitions. [2022-11-22 00:37:19,599 INFO L78 Accepts]: Start accepts. Automaton has 8882 states and 12465 transitions. Word has length 100 [2022-11-22 00:37:19,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:37:19,600 INFO L495 AbstractCegarLoop]: Abstraction has 8882 states and 12465 transitions. [2022-11-22 00:37:19,601 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) [2022-11-22 00:37:19,601 INFO L276 IsEmpty]: Start isEmpty. Operand 8882 states and 12465 transitions. [2022-11-22 00:37:19,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-22 00:37:19,603 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:37:19,604 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:37:19,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-22 00:37:19,604 INFO L420 AbstractCegarLoop]: === Iteration 15 === 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 33 more)] === [2022-11-22 00:37:19,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:37:19,605 INFO L85 PathProgramCache]: Analyzing trace with hash 75023880, now seen corresponding path program 1 times [2022-11-22 00:37:19,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:37:19,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593170925] [2022-11-22 00:37:19,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:37:19,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:37:20,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:37:20,857 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-11-22 00:37:20,857 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:37:20,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593170925] [2022-11-22 00:37:20,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593170925] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 00:37:20,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570333358] [2022-11-22 00:37:20,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:37:20,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:37:20,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:37:20,860 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 00:37:20,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-22 00:37:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:37:22,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 3186 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-22 00:37:22,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:37:22,846 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-11-22 00:37:22,849 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 00:37:22,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1570333358] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:37:22,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 00:37:22,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 7 [2022-11-22 00:37:22,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121669286] [2022-11-22 00:37:22,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:37:22,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-22 00:37:22,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:37:22,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-22 00:37:22,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-22 00:37:22,855 INFO L87 Difference]: Start difference. First operand 8882 states and 12465 transitions. Second operand has 7 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-22 00:37:25,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:37:28,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:37:30,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:37:31,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:37:33,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:37:37,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:37:38,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:37:38,495 INFO L93 Difference]: Finished difference Result 10758 states and 15085 transitions. [2022-11-22 00:37:38,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-22 00:37:38,499 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 108 [2022-11-22 00:37:38,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:37:38,532 INFO L225 Difference]: With dead ends: 10758 [2022-11-22 00:37:38,532 INFO L226 Difference]: Without dead ends: 8973 [2022-11-22 00:37:38,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-22 00:37:38,548 INFO L413 NwaCegarLoop]: 2708 mSDtfsCounter, 35 mSDsluCounter, 13366 mSDsCounter, 0 mSdLazyCounter, 2453 mSolverCounterSat, 76 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 16074 SdHoareTripleChecker+Invalid, 2532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 2453 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2022-11-22 00:37:38,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 16074 Invalid, 2532 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [76 Valid, 2453 Invalid, 3 Unknown, 0 Unchecked, 14.9s Time] [2022-11-22 00:37:38,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8973 states. [2022-11-22 00:37:39,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8973 to 8884. [2022-11-22 00:37:39,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8884 states, 5217 states have (on average 1.2620279854322407) internal successors, (6584), 5502 states have internal predecessors, (6584), 2938 states have call successors, (2938), 699 states have call predecessors, (2938), 696 states have return successors, (2945), 2885 states have call predecessors, (2945), 2936 states have call successors, (2945) [2022-11-22 00:37:39,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8884 states to 8884 states and 12467 transitions. [2022-11-22 00:37:39,435 INFO L78 Accepts]: Start accepts. Automaton has 8884 states and 12467 transitions. Word has length 108 [2022-11-22 00:37:39,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:37:39,436 INFO L495 AbstractCegarLoop]: Abstraction has 8884 states and 12467 transitions. [2022-11-22 00:37:39,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-22 00:37:39,436 INFO L276 IsEmpty]: Start isEmpty. Operand 8884 states and 12467 transitions. [2022-11-22 00:37:39,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-22 00:37:39,438 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:37:39,439 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:37:39,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-22 00:37:39,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-22 00:37:39,655 INFO L420 AbstractCegarLoop]: === Iteration 16 === 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 33 more)] === [2022-11-22 00:37:39,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:37:39,655 INFO L85 PathProgramCache]: Analyzing trace with hash 518266000, now seen corresponding path program 1 times [2022-11-22 00:37:39,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:37:39,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603191047] [2022-11-22 00:37:39,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:37:39,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:37:39,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:37:40,099 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-22 00:37:40,099 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:37:40,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603191047] [2022-11-22 00:37:40,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603191047] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:37:40,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:37:40,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:37:40,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003051384] [2022-11-22 00:37:40,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:37:40,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:37:40,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:37:40,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:37:40,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:37:40,103 INFO L87 Difference]: Start difference. First operand 8884 states and 12467 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) [2022-11-22 00:37:42,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:37:48,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:37:50,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:37:51,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:37:51,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:37:51,835 INFO L93 Difference]: Finished difference Result 8988 states and 12560 transitions. [2022-11-22 00:37:51,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 00:37:51,836 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 105 [2022-11-22 00:37:51,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:37:51,863 INFO L225 Difference]: With dead ends: 8988 [2022-11-22 00:37:51,863 INFO L226 Difference]: Without dead ends: 8986 [2022-11-22 00:37:51,868 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 [2022-11-22 00:37:51,868 INFO L413 NwaCegarLoop]: 3150 mSDtfsCounter, 1765 mSDsluCounter, 5822 mSDsCounter, 0 mSdLazyCounter, 1084 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1767 SdHoareTripleChecker+Valid, 8972 SdHoareTripleChecker+Invalid, 1087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1084 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:37:51,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1767 Valid, 8972 Invalid, 1087 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1084 Invalid, 2 Unknown, 0 Unchecked, 11.0s Time] [2022-11-22 00:37:51,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8986 states. [2022-11-22 00:37:52,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8986 to 8889. [2022-11-22 00:37:52,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8889 states, 5220 states have (on average 1.2616858237547892) internal successors, (6586), 5505 states have internal predecessors, (6586), 2939 states have call successors, (2939), 700 states have call predecessors, (2939), 697 states have return successors, (2946), 2886 states have call predecessors, (2946), 2937 states have call successors, (2946) [2022-11-22 00:37:52,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8889 states to 8889 states and 12471 transitions. [2022-11-22 00:37:52,533 INFO L78 Accepts]: Start accepts. Automaton has 8889 states and 12471 transitions. Word has length 105 [2022-11-22 00:37:52,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:37:52,533 INFO L495 AbstractCegarLoop]: Abstraction has 8889 states and 12471 transitions. [2022-11-22 00:37:52,534 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) [2022-11-22 00:37:52,534 INFO L276 IsEmpty]: Start isEmpty. Operand 8889 states and 12471 transitions. [2022-11-22 00:37:52,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-22 00:37:52,536 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:37:52,537 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:37:52,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-22 00:37:52,537 INFO L420 AbstractCegarLoop]: === Iteration 17 === 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 33 more)] === [2022-11-22 00:37:52,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:37:52,538 INFO L85 PathProgramCache]: Analyzing trace with hash -728249388, now seen corresponding path program 1 times [2022-11-22 00:37:52,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:37:52,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847820401] [2022-11-22 00:37:52,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:37:52,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:37:52,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:37:52,991 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-22 00:37:52,991 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:37:52,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847820401] [2022-11-22 00:37:52,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847820401] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:37:52,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:37:52,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:37:52,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268235291] [2022-11-22 00:37:52,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:37:52,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:37:52,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:37:52,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:37:52,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:37:52,995 INFO L87 Difference]: Start difference. First operand 8889 states and 12471 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) [2022-11-22 00:37:58,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:38:00,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:38:00,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:38:00,740 INFO L93 Difference]: Finished difference Result 8889 states and 12471 transitions. [2022-11-22 00:38:00,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 00:38:00,741 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 110 [2022-11-22 00:38:00,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:38:00,775 INFO L225 Difference]: With dead ends: 8889 [2022-11-22 00:38:00,776 INFO L226 Difference]: Without dead ends: 8887 [2022-11-22 00:38:00,782 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 [2022-11-22 00:38:00,782 INFO L413 NwaCegarLoop]: 2698 mSDtfsCounter, 3022 mSDsluCounter, 2698 mSDsCounter, 0 mSdLazyCounter, 714 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3024 SdHoareTripleChecker+Valid, 5396 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 714 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:38:00,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3024 Valid, 5396 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 714 Invalid, 1 Unknown, 0 Unchecked, 7.0s Time] [2022-11-22 00:38:00,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8887 states. [2022-11-22 00:38:01,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8887 to 8887. [2022-11-22 00:38:01,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8887 states, 5219 states have (on average 1.2611611419812225) internal successors, (6582), 5503 states have internal predecessors, (6582), 2939 states have call successors, (2939), 700 states have call predecessors, (2939), 697 states have return successors, (2946), 2886 states have call predecessors, (2946), 2937 states have call successors, (2946) [2022-11-22 00:38:01,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8887 states to 8887 states and 12467 transitions. [2022-11-22 00:38:01,352 INFO L78 Accepts]: Start accepts. Automaton has 8887 states and 12467 transitions. Word has length 110 [2022-11-22 00:38:01,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:38:01,353 INFO L495 AbstractCegarLoop]: Abstraction has 8887 states and 12467 transitions. [2022-11-22 00:38:01,353 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) [2022-11-22 00:38:01,353 INFO L276 IsEmpty]: Start isEmpty. Operand 8887 states and 12467 transitions. [2022-11-22 00:38:01,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-22 00:38:01,355 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:38:01,356 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:38:01,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-22 00:38:01,356 INFO L420 AbstractCegarLoop]: === Iteration 18 === 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 33 more)] === [2022-11-22 00:38:01,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:38:01,357 INFO L85 PathProgramCache]: Analyzing trace with hash 541383235, now seen corresponding path program 1 times [2022-11-22 00:38:01,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:38:01,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334661671] [2022-11-22 00:38:01,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:38:01,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:38:01,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:38:01,844 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-22 00:38:01,844 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:38:01,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334661671] [2022-11-22 00:38:01,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334661671] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:38:01,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:38:01,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:38:01,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486700555] [2022-11-22 00:38:01,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:38:01,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:38:01,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:38:01,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:38:01,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:38:01,848 INFO L87 Difference]: Start difference. First operand 8887 states and 12467 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) [2022-11-22 00:38:04,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:38:10,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:38:10,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:38:10,380 INFO L93 Difference]: Finished difference Result 8982 states and 12551 transitions. [2022-11-22 00:38:10,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 00:38:10,381 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 115 [2022-11-22 00:38:10,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:38:10,408 INFO L225 Difference]: With dead ends: 8982 [2022-11-22 00:38:10,409 INFO L226 Difference]: Without dead ends: 8980 [2022-11-22 00:38:10,414 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 [2022-11-22 00:38:10,415 INFO L413 NwaCegarLoop]: 3148 mSDtfsCounter, 1759 mSDsluCounter, 5818 mSDsCounter, 0 mSdLazyCounter, 1082 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1761 SdHoareTripleChecker+Valid, 8966 SdHoareTripleChecker+Invalid, 1085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1082 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-11-22 00:38:10,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1761 Valid, 8966 Invalid, 1085 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1082 Invalid, 2 Unknown, 0 Unchecked, 7.7s Time] [2022-11-22 00:38:10,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8980 states. [2022-11-22 00:38:11,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8980 to 8897. [2022-11-22 00:38:11,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8897 states, 5225 states have (on average 1.2606698564593302) internal successors, (6587), 5509 states have internal predecessors, (6587), 2941 states have call successors, (2941), 702 states have call predecessors, (2941), 699 states have return successors, (2948), 2888 states have call predecessors, (2948), 2939 states have call successors, (2948) [2022-11-22 00:38:11,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8897 states to 8897 states and 12476 transitions. [2022-11-22 00:38:11,078 INFO L78 Accepts]: Start accepts. Automaton has 8897 states and 12476 transitions. Word has length 115 [2022-11-22 00:38:11,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:38:11,079 INFO L495 AbstractCegarLoop]: Abstraction has 8897 states and 12476 transitions. [2022-11-22 00:38:11,079 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) [2022-11-22 00:38:11,079 INFO L276 IsEmpty]: Start isEmpty. Operand 8897 states and 12476 transitions. [2022-11-22 00:38:11,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-11-22 00:38:11,084 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:38:11,084 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:38:11,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-22 00:38:11,085 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-22 00:38:11,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:38:11,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1716474971, now seen corresponding path program 1 times [2022-11-22 00:38:11,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:38:11,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376040251] [2022-11-22 00:38:11,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:38:11,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:38:11,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:38:12,289 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-11-22 00:38:12,290 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:38:12,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376040251] [2022-11-22 00:38:12,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376040251] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 00:38:12,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1726814559] [2022-11-22 00:38:12,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:38:12,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:38:12,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:38:12,292 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 00:38:12,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3740b82-c5f6-4b2d-a084-70a1912214dc/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-22 00:38:14,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:38:14,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 3395 conjuncts, 40 conjunts are in the unsatisfiable core [2022-11-22 00:38:14,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:38:14,398 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 98 proven. 2 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-22 00:38:14,399 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 00:38:14,904 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-11-22 00:38:14,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1726814559] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 00:38:14,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1196085142] [2022-11-22 00:38:14,931 INFO L159 IcfgInterpreter]: Started Sifa with 75 locations of interest [2022-11-22 00:38:14,932 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 00:38:14,935 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 00:38:14,941 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 00:38:14,942 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 00:38:21,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 496 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 161 [2022-11-22 00:38:21,388 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 103 [2022-11-22 00:38:21,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-22 00:38:22,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 1065 treesize of output 891 [2022-11-22 00:38:23,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 496 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 161 [2022-11-22 00:38:24,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 496 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 161 [2022-11-22 00:38:24,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-22 00:38:25,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-22 00:38:25,981 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 109 [2022-11-22 00:38:26,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-22 00:38:26,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-22 00:38:26,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-22 00:38:27,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-22 00:40:33,536 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 [2022-11-22 00:40:33,542 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 [2022-11-22 00:41:15,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:15,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:15,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:15,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:15,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:15,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:15,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:15,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:15,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:15,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:15,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:15,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:15,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:15,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:15,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:15,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:15,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:15,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:15,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:15,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:15,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:19,191 INFO L321 Elim1Store]: treesize reduction 91, result has 56.9 percent of original size [2022-11-22 00:41:19,195 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 12069 treesize of output 11505 [2022-11-22 00:41:20,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:20,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:20,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:20,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:20,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:20,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:20,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:20,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:20,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:20,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:20,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:20,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:20,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:20,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:20,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:20,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:20,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:20,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:20,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:20,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:20,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:23,448 INFO L321 Elim1Store]: treesize reduction 107, result has 49.3 percent of original size [2022-11-22 00:41:23,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 11389 treesize of output 10809 [2022-11-22 00:41:26,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:41:26,611 INFO L217 Elim1Store]: Index analysis took 389 ms [2022-11-22 00:41:32,346 WARN L233 SmtUtils]: Spent 5.72s on a formula simplification. DAG size of input: 338 DAG size of output: 274 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-22 00:41:32,347 INFO L321 Elim1Store]: treesize reduction 510, result has 50.0 percent of original size [2022-11-22 00:41:32,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 31 select indices, 31 select index equivalence classes, 435 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 60 case distinctions, treesize of input 11085 treesize of output 10712 [2022-11-22 00:41:34,482 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-22 00:41:34,485 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 10196 treesize of output 10196 [2022-11-22 00:41:40,137 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-22 00:41:40,140 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 10201 treesize of output 10199 [2022-11-22 00:41:52,639 WARN L233 SmtUtils]: Spent 5.87s on a formula simplification. DAG size of input: 2384 DAG size of output: 2384 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-22 00:42:37,533 WARN L233 SmtUtils]: Spent 11.49s on a formula simplification. DAG size of input: 2397 DAG size of output: 2397 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-22 00:44:00,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 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 [2022-11-22 00:44:14,736 WARN L233 SmtUtils]: Spent 9.21s on a formula simplification that was a NOOP. DAG size: 2435 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-22 00:44:33,517 WARN L233 SmtUtils]: Spent 9.34s on a formula simplification that was a NOOP. DAG size: 2431 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-22 00:47:11,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 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