./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 70285c15c86f57662e9c7cfb124387828d40f8fb898978032ed6716b7a4d6009 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 15:21:29,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:21:29,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:21:29,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:21:29,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:21:29,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:21:29,423 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:21:29,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:21:29,432 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:21:29,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:21:29,440 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:21:29,441 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:21:29,441 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:21:29,442 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:21:29,443 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:21:29,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:21:29,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:21:29,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:21:29,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:21:29,450 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:21:29,457 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:21:29,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:21:29,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:21:29,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:21:29,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:21:29,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:21:29,477 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:21:29,478 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:21:29,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:21:29,480 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:21:29,480 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:21:29,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:21:29,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:21:29,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:21:29,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:21:29,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:21:29,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:21:29,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:21:29,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:21:29,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:21:29,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:21:29,489 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 15:21:29,536 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:21:29,537 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:21:29,537 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:21:29,537 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:21:29,538 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:21:29,538 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:21:29,539 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:21:29,539 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:21:29,539 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:21:29,539 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:21:29,540 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:21:29,541 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:21:29,541 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:21:29,541 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:21:29,541 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:21:29,542 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:21:29,542 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:21:29,542 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:21:29,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:21:29,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:21:29,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:21:29,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:21:29,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:21:29,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:21:29,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:21:29,545 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:21:29,545 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:21:29,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:21:29,546 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:21:29,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:21:29,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:21:29,547 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:21:29,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:21:29,547 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:21:29,547 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:21:29,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:21:29,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:21:29,548 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:21:29,548 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_b1abe040-505b-473f-b1ff-be3bca3a2ade/bin/utaipan-Q6hlc19bkW/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70285c15c86f57662e9c7cfb124387828d40f8fb898978032ed6716b7a4d6009 [2022-11-23 15:21:29,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:21:29,873 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:21:29,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:21:29,878 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:21:29,879 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:21:29,880 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i [2022-11-23 15:21:32,923 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:21:33,679 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:21:33,680 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i [2022-11-23 15:21:33,732 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/bin/utaipan-Q6hlc19bkW/data/b9c49f281/07052f3c92dc4b9cac91951c0aa03d55/FLAG6026965c2 [2022-11-23 15:21:33,747 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/bin/utaipan-Q6hlc19bkW/data/b9c49f281/07052f3c92dc4b9cac91951c0aa03d55 [2022-11-23 15:21:33,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:21:33,751 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:21:33,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:21:33,753 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:21:33,757 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:21:33,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:21:33" (1/1) ... [2022-11-23 15:21:33,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35dd8385 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:33, skipping insertion in model container [2022-11-23 15:21:33,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:21:33" (1/1) ... [2022-11-23 15:21:33,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:21:34,017 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:21:40,343 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[562820,562833] [2022-11-23 15:21:40,350 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[562965,562978] [2022-11-23 15:21:40,350 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563111,563124] [2022-11-23 15:21:40,351 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563276,563289] [2022-11-23 15:21:40,352 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563434,563447] [2022-11-23 15:21:40,352 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563592,563605] [2022-11-23 15:21:40,353 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563750,563763] [2022-11-23 15:21:40,354 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563910,563923] [2022-11-23 15:21:40,354 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564069,564082] [2022-11-23 15:21:40,360 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564208,564221] [2022-11-23 15:21:40,361 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564350,564363] [2022-11-23 15:21:40,362 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564499,564512] [2022-11-23 15:21:40,362 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564638,564651] [2022-11-23 15:21:40,363 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564793,564806] [2022-11-23 15:21:40,363 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564953,564966] [2022-11-23 15:21:40,364 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565104,565117] [2022-11-23 15:21:40,365 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565255,565268] [2022-11-23 15:21:40,377 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565407,565420] [2022-11-23 15:21:40,378 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565556,565569] [2022-11-23 15:21:40,381 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565704,565717] [2022-11-23 15:21:40,381 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565861,565874] [2022-11-23 15:21:40,382 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566010,566023] [2022-11-23 15:21:40,382 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566166,566179] [2022-11-23 15:21:40,384 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566319,566332] [2022-11-23 15:21:40,385 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566465,566478] [2022-11-23 15:21:40,385 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566608,566621] [2022-11-23 15:21:40,386 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566760,566773] [2022-11-23 15:21:40,387 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566906,566919] [2022-11-23 15:21:40,387 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567051,567064] [2022-11-23 15:21:40,389 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567205,567218] [2022-11-23 15:21:40,390 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567356,567369] [2022-11-23 15:21:40,391 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567511,567524] [2022-11-23 15:21:40,391 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567663,567676] [2022-11-23 15:21:40,394 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567818,567831] [2022-11-23 15:21:40,396 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567982,567995] [2022-11-23 15:21:40,396 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568138,568151] [2022-11-23 15:21:40,397 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568302,568315] [2022-11-23 15:21:40,397 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568444,568457] [2022-11-23 15:21:40,399 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568602,568615] [2022-11-23 15:21:40,399 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568769,568782] [2022-11-23 15:21:40,401 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568928,568941] [2022-11-23 15:21:40,402 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569087,569100] [2022-11-23 15:21:40,403 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569236,569249] [2022-11-23 15:21:40,403 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569383,569396] [2022-11-23 15:21:40,404 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569522,569535] [2022-11-23 15:21:40,405 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569685,569698] [2022-11-23 15:21:40,406 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569851,569864] [2022-11-23 15:21:40,407 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570015,570028] [2022-11-23 15:21:40,409 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570180,570193] [2022-11-23 15:21:40,409 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570345,570358] [2022-11-23 15:21:40,410 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570511,570524] [2022-11-23 15:21:40,410 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570676,570689] [2022-11-23 15:21:40,411 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570843,570856] [2022-11-23 15:21:40,411 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571003,571016] [2022-11-23 15:21:40,412 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571165,571178] [2022-11-23 15:21:40,412 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571324,571337] [2022-11-23 15:21:40,413 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571470,571483] [2022-11-23 15:21:40,413 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571613,571626] [2022-11-23 15:21:40,414 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571757,571770] [2022-11-23 15:21:40,414 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571900,571913] [2022-11-23 15:21:40,415 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572044,572057] [2022-11-23 15:21:40,415 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572185,572198] [2022-11-23 15:21:40,416 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572323,572336] [2022-11-23 15:21:40,416 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572481,572494] [2022-11-23 15:21:40,417 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572640,572653] [2022-11-23 15:21:40,418 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572796,572809] [2022-11-23 15:21:40,418 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572945,572958] [2022-11-23 15:21:40,419 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573097,573110] [2022-11-23 15:21:40,419 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573248,573261] [2022-11-23 15:21:40,420 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573397,573410] [2022-11-23 15:21:40,420 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573549,573562] [2022-11-23 15:21:40,421 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573697,573710] [2022-11-23 15:21:40,421 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573850,573863] [2022-11-23 15:21:40,422 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574001,574014] [2022-11-23 15:21:40,422 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574151,574164] [2022-11-23 15:21:40,423 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574298,574311] [2022-11-23 15:21:40,423 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574449,574462] [2022-11-23 15:21:40,424 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574600,574613] [2022-11-23 15:21:40,424 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574748,574761] [2022-11-23 15:21:40,425 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574914,574927] [2022-11-23 15:21:40,425 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575083,575096] [2022-11-23 15:21:40,426 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575250,575263] [2022-11-23 15:21:40,426 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575418,575431] [2022-11-23 15:21:40,427 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575568,575581] [2022-11-23 15:21:40,427 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575715,575728] [2022-11-23 15:21:40,428 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575876,575889] [2022-11-23 15:21:40,428 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[576046,576059] [2022-11-23 15:21:40,429 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[576208,576221] [2022-11-23 15:21:40,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:21:40,556 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:21:41,141 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[562820,562833] [2022-11-23 15:21:41,142 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[562965,562978] [2022-11-23 15:21:41,143 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563111,563124] [2022-11-23 15:21:41,143 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563276,563289] [2022-11-23 15:21:41,144 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563434,563447] [2022-11-23 15:21:41,144 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563592,563605] [2022-11-23 15:21:41,144 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563750,563763] [2022-11-23 15:21:41,145 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563910,563923] [2022-11-23 15:21:41,145 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564069,564082] [2022-11-23 15:21:41,146 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564208,564221] [2022-11-23 15:21:41,146 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564350,564363] [2022-11-23 15:21:41,146 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564499,564512] [2022-11-23 15:21:41,147 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564638,564651] [2022-11-23 15:21:41,147 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564793,564806] [2022-11-23 15:21:41,148 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564953,564966] [2022-11-23 15:21:41,153 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565104,565117] [2022-11-23 15:21:41,154 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565255,565268] [2022-11-23 15:21:41,154 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565407,565420] [2022-11-23 15:21:41,155 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565556,565569] [2022-11-23 15:21:41,155 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565704,565717] [2022-11-23 15:21:41,156 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565861,565874] [2022-11-23 15:21:41,156 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566010,566023] [2022-11-23 15:21:41,157 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566166,566179] [2022-11-23 15:21:41,157 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566319,566332] [2022-11-23 15:21:41,158 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566465,566478] [2022-11-23 15:21:41,159 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566608,566621] [2022-11-23 15:21:41,159 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566760,566773] [2022-11-23 15:21:41,160 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566906,566919] [2022-11-23 15:21:41,160 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567051,567064] [2022-11-23 15:21:41,161 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567205,567218] [2022-11-23 15:21:41,161 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567356,567369] [2022-11-23 15:21:41,162 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567511,567524] [2022-11-23 15:21:41,162 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567663,567676] [2022-11-23 15:21:41,163 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567818,567831] [2022-11-23 15:21:41,163 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567982,567995] [2022-11-23 15:21:41,164 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568138,568151] [2022-11-23 15:21:41,164 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568302,568315] [2022-11-23 15:21:41,165 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568444,568457] [2022-11-23 15:21:41,166 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568602,568615] [2022-11-23 15:21:41,166 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568769,568782] [2022-11-23 15:21:41,167 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568928,568941] [2022-11-23 15:21:41,168 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569087,569100] [2022-11-23 15:21:41,169 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569236,569249] [2022-11-23 15:21:41,170 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569383,569396] [2022-11-23 15:21:41,170 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569522,569535] [2022-11-23 15:21:41,170 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569685,569698] [2022-11-23 15:21:41,171 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569851,569864] [2022-11-23 15:21:41,171 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570015,570028] [2022-11-23 15:21:41,171 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570180,570193] [2022-11-23 15:21:41,172 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570345,570358] [2022-11-23 15:21:41,172 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570511,570524] [2022-11-23 15:21:41,173 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570676,570689] [2022-11-23 15:21:41,173 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570843,570856] [2022-11-23 15:21:41,173 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571003,571016] [2022-11-23 15:21:41,174 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571165,571178] [2022-11-23 15:21:41,175 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571324,571337] [2022-11-23 15:21:41,179 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571470,571483] [2022-11-23 15:21:41,179 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571613,571626] [2022-11-23 15:21:41,180 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571757,571770] [2022-11-23 15:21:41,181 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571900,571913] [2022-11-23 15:21:41,181 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572044,572057] [2022-11-23 15:21:41,182 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572185,572198] [2022-11-23 15:21:41,188 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572323,572336] [2022-11-23 15:21:41,189 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572481,572494] [2022-11-23 15:21:41,189 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572640,572653] [2022-11-23 15:21:41,194 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572796,572809] [2022-11-23 15:21:41,195 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572945,572958] [2022-11-23 15:21:41,195 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573097,573110] [2022-11-23 15:21:41,195 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573248,573261] [2022-11-23 15:21:41,196 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573397,573410] [2022-11-23 15:21:41,196 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573549,573562] [2022-11-23 15:21:41,196 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573697,573710] [2022-11-23 15:21:41,197 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573850,573863] [2022-11-23 15:21:41,198 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574001,574014] [2022-11-23 15:21:41,199 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574151,574164] [2022-11-23 15:21:41,199 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574298,574311] [2022-11-23 15:21:41,199 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574449,574462] [2022-11-23 15:21:41,201 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574600,574613] [2022-11-23 15:21:41,202 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574748,574761] [2022-11-23 15:21:41,203 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574914,574927] [2022-11-23 15:21:41,204 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575083,575096] [2022-11-23 15:21:41,204 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575250,575263] [2022-11-23 15:21:41,204 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575418,575431] [2022-11-23 15:21:41,205 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575568,575581] [2022-11-23 15:21:41,205 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575715,575728] [2022-11-23 15:21:41,205 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575876,575889] [2022-11-23 15:21:41,206 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[576046,576059] [2022-11-23 15:21:41,206 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[576208,576221] [2022-11-23 15:21:41,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:21:41,717 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:21:41,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:41 WrapperNode [2022-11-23 15:21:41,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:21:41,719 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:21:41,719 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:21:41,719 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:21:41,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:41" (1/1) ... [2022-11-23 15:21:41,864 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:41" (1/1) ... [2022-11-23 15:21:42,186 INFO L138 Inliner]: procedures = 842, calls = 3797, calls flagged for inlining = 410, calls inlined = 310, statements flattened = 8783 [2022-11-23 15:21:42,186 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:21:42,187 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:21:42,187 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:21:42,187 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:21:42,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:41" (1/1) ... [2022-11-23 15:21:42,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:41" (1/1) ... [2022-11-23 15:21:42,236 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:41" (1/1) ... [2022-11-23 15:21:42,236 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:41" (1/1) ... [2022-11-23 15:21:42,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:41" (1/1) ... [2022-11-23 15:21:42,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:41" (1/1) ... [2022-11-23 15:21:42,488 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:41" (1/1) ... [2022-11-23 15:21:42,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:41" (1/1) ... [2022-11-23 15:21:42,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:21:42,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:21:42,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:21:42,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:21:42,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:41" (1/1) ... [2022-11-23 15:21:42,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:21:42,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:21:42,632 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:21:42,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:21:42,680 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-23 15:21:42,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-23 15:21:42,681 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-23 15:21:42,681 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-23 15:21:42,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-23 15:21:42,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-23 15:21:42,681 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-23 15:21:42,681 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-23 15:21:42,681 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-23 15:21:42,682 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-23 15:21:42,683 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-23 15:21:42,684 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-23 15:21:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_maybe_stop_tx [2022-11-23 15:21:42,684 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_maybe_stop_tx [2022-11-23 15:21:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-23 15:21:42,684 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-23 15:21:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-23 15:21:42,684 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-23 15:21:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_suspend [2022-11-23 15:21:42,685 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_suspend [2022-11-23 15:21:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-23 15:21:42,685 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-23 15:21:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-23 15:21:42,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-23 15:21:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_assign_vector [2022-11-23 15:21:42,686 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_assign_vector [2022-11-23 15:21:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-23 15:21:42,686 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-23 15:21:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_desc_unused [2022-11-23 15:21:42,686 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_desc_unused [2022-11-23 15:21:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-23 15:21:42,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-23 15:21:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-23 15:21:42,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-23 15:21:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:21:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-23 15:21:42,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-23 15:21:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_netpoll [2022-11-23 15:21:42,687 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_netpoll [2022-11-23 15:21:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-23 15:21:42,688 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-23 15:21:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset_interrupt_capability [2022-11-23 15:21:42,688 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset_interrupt_capability [2022-11-23 15:21:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_msg_vf [2022-11-23 15:21:42,688 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_msg_vf [2022-11-23 15:21:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-23 15:21:42,689 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-23 15:21:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-11-23 15:21:42,689 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-11-23 15:21:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-23 15:21:42,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-23 15:21:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-23 15:21:42,689 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-23 15:21:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-23 15:21:42,690 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-23 15:21:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-23 15:21:42,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-23 15:21:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 15:21:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-23 15:21:42,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-11-23 15:21:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-23 15:21:42,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-23 15:21:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure_msix [2022-11-23 15:21:42,692 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure_msix [2022-11-23 15:21:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:21:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_open [2022-11-23 15:21:42,696 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_open [2022-11-23 15:21:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-23 15:21:42,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-23 15:21:42,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 15:21:42,697 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-23 15:21:42,697 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-23 15:21:42,697 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_nway_reset [2022-11-23 15:21:42,698 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_nway_reset [2022-11-23 15:21:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_posted_mbx [2022-11-23 15:21:42,699 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_posted_mbx [2022-11-23 15:21:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-23 15:21:42,700 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-23 15:21:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_enable [2022-11-23 15:21:42,700 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_enable [2022-11-23 15:21:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-23 15:21:42,700 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-23 15:21:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-23 15:21:42,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-23 15:21:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_update_stats [2022-11-23 15:21:42,702 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_update_stats [2022-11-23 15:21:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2022-11-23 15:21:42,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2022-11-23 15:21:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-23 15:21:42,702 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-23 15:21:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_bit_vf [2022-11-23 15:21:42,703 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_bit_vf [2022-11-23 15:21:42,703 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_hw_vf [2022-11-23 15:21:42,703 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_hw_vf [2022-11-23 15:21:42,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:21:42,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:21:42,703 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_ack [2022-11-23 15:21:42,703 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_ack [2022-11-23 15:21:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-23 15:21:42,704 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-23 15:21:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 15:21:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-23 15:21:42,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-23 15:21:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set_vf [2022-11-23 15:21:42,704 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set_vf [2022-11-23 15:21:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-23 15:21:42,705 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-23 15:21:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_down [2022-11-23 15:21:42,706 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_down [2022-11-23 15:21:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-23 15:21:42,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-23 15:21:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_irq [2022-11-23 15:21:42,707 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_irq [2022-11-23 15:21:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-23 15:21:42,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-23 15:21:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-23 15:21:42,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-23 15:21:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link_vf [2022-11-23 15:21:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link_vf [2022-11-23 15:21:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 15:21:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 15:21:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-23 15:21:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-23 15:21:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_v2p_mailbox [2022-11-23 15:21:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_v2p_mailbox [2022-11-23 15:21:42,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-23 15:21:42,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-23 15:21:42,709 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-23 15:21:42,709 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-23 15:21:42,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-23 15:21:42,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-23 15:21:42,709 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-23 15:21:42,709 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-23 15:21:42,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:21:42,710 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-23 15:21:42,710 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-23 15:21:42,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-23 15:21:42,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-23 15:21:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 15:21:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_rx_resources [2022-11-23 15:21:42,711 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_rx_resources [2022-11-23 15:21:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-23 15:21:42,711 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-23 15:21:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-23 15:21:42,711 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-23 15:21:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-23 15:21:42,712 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-23 15:21:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-23 15:21:42,712 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-23 15:21:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-23 15:21:42,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-23 15:21:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_msg [2022-11-23 15:21:42,712 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_msg [2022-11-23 15:21:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-23 15:21:42,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-23 15:21:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-23 15:21:42,713 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-23 15:21:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-23 15:21:42,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-23 15:21:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-11-23 15:21:42,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-11-23 15:21:42,714 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-23 15:21:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-23 15:21:42,714 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_shutdown [2022-11-23 15:21:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_shutdown [2022-11-23 15:21:42,714 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-23 15:21:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-23 15:21:42,714 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_eeprom_len [2022-11-23 15:21:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_eeprom_len [2022-11-23 15:21:42,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:21:42,715 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2022-11-23 15:21:42,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2022-11-23 15:21:42,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 15:21:42,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 15:21:42,715 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_resume [2022-11-23 15:21:42,715 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_resume [2022-11-23 15:21:42,715 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_tx_timeout [2022-11-23 15:21:42,716 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_tx_timeout [2022-11-23 15:21:42,716 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-23 15:21:42,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-23 15:21:42,716 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-23 15:21:42,716 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-23 15:21:42,716 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_up [2022-11-23 15:21:42,716 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_up [2022-11-23 15:21:42,716 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-11-23 15:21:42,717 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-11-23 15:21:42,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-23 15:21:42,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-23 15:21:42,717 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-23 15:21:42,717 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-23 15:21:42,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-23 15:21:42,717 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-23 15:21:42,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 15:21:42,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 15:21:42,718 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_function_pointers_vf [2022-11-23 15:21:42,718 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_function_pointers_vf [2022-11-23 15:21:42,722 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-23 15:21:42,722 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-23 15:21:42,722 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-23 15:21:42,722 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-23 15:21:42,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-23 15:21:42,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-23 15:21:42,723 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_alloc_rx_buffers [2022-11-23 15:21:42,724 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_alloc_rx_buffers [2022-11-23 15:21:42,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-23 15:21:42,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-23 15:21:42,724 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_mac_addr_vf [2022-11-23 15:21:42,724 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_mac_addr_vf [2022-11-23 15:21:42,724 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_close [2022-11-23 15:21:42,724 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_close [2022-11-23 15:21:42,724 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-23 15:21:42,725 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-23 15:21:42,725 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw_vf [2022-11-23 15:21:42,725 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw_vf [2022-11-23 15:21:42,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-23 15:21:42,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-23 15:21:42,725 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-23 15:21:42,725 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-23 15:21:42,725 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_irq [2022-11-23 15:21:42,726 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_irq [2022-11-23 15:21:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-23 15:21:42,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-23 15:21:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-23 15:21:42,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-23 15:21:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-23 15:21:42,726 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-23 15:21:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:21:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-23 15:21:42,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-23 15:21:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-23 15:21:42,727 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-23 15:21:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-23 15:21:42,727 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-23 15:21:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 15:21:42,728 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-23 15:21:42,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-23 15:21:42,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 15:21:42,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-23 15:21:42,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-23 15:21:42,728 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-23 15:21:42,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-23 15:21:42,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-23 15:21:42,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-23 15:21:42,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 15:21:42,729 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 15:21:42,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-23 15:21:42,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-23 15:21:42,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-23 15:21:42,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-23 15:21:42,730 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_tx_resources [2022-11-23 15:21:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_tx_resources [2022-11-23 15:21:42,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-23 15:21:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-23 15:21:42,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2022-11-23 15:21:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2022-11-23 15:21:42,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_2 [2022-11-23 15:21:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_2 [2022-11-23 15:21:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-23 15:21:42,731 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-23 15:21:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-23 15:21:42,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-23 15:21:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2022-11-23 15:21:42,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2022-11-23 15:21:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2022-11-23 15:21:42,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2022-11-23 15:21:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-23 15:21:42,732 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-23 15:21:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-23 15:21:42,732 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-23 15:21:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 15:21:42,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 15:21:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset [2022-11-23 15:21:42,733 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset [2022-11-23 15:21:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-23 15:21:42,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-23 15:21:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-23 15:21:42,733 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-23 15:21:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reinit_locked [2022-11-23 15:21:42,733 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reinit_locked [2022-11-23 15:21:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-23 15:21:42,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-23 15:21:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_vlan_rx_add_vid [2022-11-23 15:21:42,734 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_vlan_rx_add_vid [2022-11-23 15:21:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-23 15:21:42,734 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-23 15:21:42,734 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-23 15:21:42,734 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-23 15:21:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 15:21:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 15:21:42,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 15:21:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-23 15:21:42,735 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-23 15:21:42,735 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-23 15:21:42,735 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-23 15:21:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_regs_len [2022-11-23 15:21:42,736 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_regs_len [2022-11-23 15:21:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-23 15:21:42,736 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-23 15:21:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-23 15:21:42,736 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-23 15:21:42,736 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-23 15:21:42,736 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-23 15:21:42,737 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_ring [2022-11-23 15:21:42,737 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_ring [2022-11-23 15:21:42,737 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-23 15:21:42,737 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-23 15:21:42,737 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_remove [2022-11-23 15:21:42,737 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_remove [2022-11-23 15:21:42,737 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-23 15:21:42,738 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-23 15:21:42,738 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-23 15:21:42,738 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-23 15:21:42,738 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_disable [2022-11-23 15:21:42,738 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_disable [2022-11-23 15:21:42,738 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure [2022-11-23 15:21:42,738 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure [2022-11-23 15:21:42,738 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_rx_ring [2022-11-23 15:21:42,739 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_rx_ring [2022-11-23 15:21:42,739 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2022-11-23 15:21:42,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2022-11-23 15:21:42,739 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_obtain_mbx_lock_vf [2022-11-23 15:21:42,739 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_obtain_mbx_lock_vf [2022-11-23 15:21:42,739 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-11-23 15:21:42,739 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-11-23 15:21:42,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 15:21:42,740 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_ack_vf [2022-11-23 15:21:42,740 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_ack_vf [2022-11-23 15:21:42,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-23 15:21:42,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-23 15:21:42,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-23 15:21:42,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-23 15:21:42,740 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_request_irq [2022-11-23 15:21:42,741 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_request_irq [2022-11-23 15:21:42,741 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_resume [2022-11-23 15:21:42,741 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_resume [2022-11-23 15:21:42,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-23 15:21:42,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-23 15:21:42,741 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_put_txbuf [2022-11-23 15:21:42,741 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_put_txbuf [2022-11-23 15:21:42,742 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2022-11-23 15:21:42,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2022-11-23 15:21:42,742 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-23 15:21:42,742 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-23 15:21:42,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-23 15:21:42,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-23 15:21:42,742 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-23 15:21:42,742 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-23 15:21:42,743 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_tx_resources [2022-11-23 15:21:42,743 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_tx_resources [2022-11-23 15:21:42,743 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 15:21:42,743 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 15:21:42,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-23 15:21:42,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-23 15:21:42,743 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-23 15:21:42,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-23 15:21:42,744 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2022-11-23 15:21:42,744 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2022-11-23 15:21:42,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-23 15:21:42,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-23 15:21:42,744 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-23 15:21:42,744 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-23 15:21:42,744 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-23 15:21:42,745 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-23 15:21:42,745 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-23 15:21:42,745 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-23 15:21:42,745 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_rx_resources [2022-11-23 15:21:42,745 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_rx_resources [2022-11-23 15:21:42,745 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_multi [2022-11-23 15:21:42,745 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_multi [2022-11-23 15:21:42,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-23 15:21:42,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-23 15:21:42,746 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-23 15:21:42,746 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-23 15:21:42,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-23 15:21:42,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-23 15:21:42,746 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_posted_mbx [2022-11-23 15:21:42,746 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_posted_mbx [2022-11-23 15:21:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-23 15:21:42,747 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-23 15:21:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:21:42,747 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-23 15:21:44,080 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:21:44,088 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:21:44,181 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 15:21:51,726 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:21:53,772 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:21:53,773 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 15:21:53,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:21:53 BoogieIcfgContainer [2022-11-23 15:21:53,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:21:53,784 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:21:53,784 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:21:53,787 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:21:53,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:21:33" (1/3) ... [2022-11-23 15:21:53,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56c7ee6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:21:53, skipping insertion in model container [2022-11-23 15:21:53,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:21:41" (2/3) ... [2022-11-23 15:21:53,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56c7ee6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:21:53, skipping insertion in model container [2022-11-23 15:21:53,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:21:53" (3/3) ... [2022-11-23 15:21:53,791 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i [2022-11-23 15:21:53,811 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:21:53,812 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2022-11-23 15:21:53,901 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:21:53,906 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;@43e15e50, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:21:53,907 INFO L358 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2022-11-23 15:21:53,918 INFO L276 IsEmpty]: Start isEmpty. Operand has 2315 states, 1338 states have (on average 1.2727952167414052) internal successors, (1703), 1424 states have internal predecessors, (1703), 766 states have call successors, (766), 182 states have call predecessors, (766), 181 states have return successors, (760), 743 states have call predecessors, (760), 760 states have call successors, (760) [2022-11-23 15:21:53,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-23 15:21:53,928 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:21:53,929 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:21:53,930 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:21:53,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:21:53,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1020448489, now seen corresponding path program 1 times [2022-11-23 15:21:53,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:21:53,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338622131] [2022-11-23 15:21:53,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:21:53,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:21:54,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:21:55,197 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:21:55,198 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:21:55,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338622131] [2022-11-23 15:21:55,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338622131] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:21:55,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:21:55,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:21:55,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425403210] [2022-11-23 15:21:55,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:21:55,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:21:55,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:21:55,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:21:55,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:21:55,246 INFO L87 Difference]: Start difference. First operand has 2315 states, 1338 states have (on average 1.2727952167414052) internal successors, (1703), 1424 states have internal predecessors, (1703), 766 states have call successors, (766), 182 states have call predecessors, (766), 181 states have return successors, (760), 743 states have call predecessors, (760), 760 states have call successors, (760) Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-23 15:21:57,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:22:05,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:22:05,698 INFO L93 Difference]: Finished difference Result 6173 states and 8670 transitions. [2022-11-23 15:22:05,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:22:05,701 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 47 [2022-11-23 15:22:05,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:22:05,740 INFO L225 Difference]: With dead ends: 6173 [2022-11-23 15:22:05,740 INFO L226 Difference]: Without dead ends: 3856 [2022-11-23 15:22:05,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:22:05,762 INFO L413 NwaCegarLoop]: 3901 mSDtfsCounter, 2074 mSDsluCounter, 6676 mSDsCounter, 0 mSdLazyCounter, 1460 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2076 SdHoareTripleChecker+Valid, 10577 SdHoareTripleChecker+Invalid, 1462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1460 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:22:05,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2076 Valid, 10577 Invalid, 1462 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1460 Invalid, 1 Unknown, 0 Unchecked, 9.8s Time] [2022-11-23 15:22:05,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3856 states. [2022-11-23 15:22:06,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3856 to 3680. [2022-11-23 15:22:06,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3680 states, 2127 states have (on average 1.2360131640808651) internal successors, (2629), 2236 states have internal predecessors, (2629), 1208 states have call successors, (1208), 318 states have call predecessors, (1208), 316 states have return successors, (1206), 1182 states have call predecessors, (1206), 1206 states have call successors, (1206) [2022-11-23 15:22:06,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3680 states to 3680 states and 5043 transitions. [2022-11-23 15:22:06,101 INFO L78 Accepts]: Start accepts. Automaton has 3680 states and 5043 transitions. Word has length 47 [2022-11-23 15:22:06,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:22:06,102 INFO L495 AbstractCegarLoop]: Abstraction has 3680 states and 5043 transitions. [2022-11-23 15:22:06,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-23 15:22:06,103 INFO L276 IsEmpty]: Start isEmpty. Operand 3680 states and 5043 transitions. [2022-11-23 15:22:06,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-23 15:22:06,106 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:22:06,106 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:22:06,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:22:06,107 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:22:06,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:22:06,108 INFO L85 PathProgramCache]: Analyzing trace with hash 21315754, now seen corresponding path program 1 times [2022-11-23 15:22:06,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:22:06,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536085115] [2022-11-23 15:22:06,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:22:06,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:22:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:22:07,007 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:22:07,008 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:22:07,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536085115] [2022-11-23 15:22:07,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536085115] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:22:07,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:22:07,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:22:07,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196258293] [2022-11-23 15:22:07,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:22:07,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:22:07,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:22:07,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:22:07,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:22:07,011 INFO L87 Difference]: Start difference. First operand 3680 states and 5043 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-23 15:22:08,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:22:10,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:22:12,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:22:13,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:22:16,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:22:16,127 INFO L93 Difference]: Finished difference Result 3680 states and 5043 transitions. [2022-11-23 15:22:16,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:22:16,128 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 52 [2022-11-23 15:22:16,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:22:16,152 INFO L225 Difference]: With dead ends: 3680 [2022-11-23 15:22:16,153 INFO L226 Difference]: Without dead ends: 3678 [2022-11-23 15:22:16,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:22:16,157 INFO L413 NwaCegarLoop]: 2780 mSDtfsCounter, 3155 mSDsluCounter, 2780 mSDsCounter, 0 mSdLazyCounter, 788 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3157 SdHoareTripleChecker+Valid, 5560 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 788 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:22:16,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3157 Valid, 5560 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 788 Invalid, 1 Unknown, 0 Unchecked, 8.9s Time] [2022-11-23 15:22:16,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3678 states. [2022-11-23 15:22:16,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3678 to 3678. [2022-11-23 15:22:16,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3678 states, 2126 states have (on average 1.235653809971778) internal successors, (2627), 2234 states have internal predecessors, (2627), 1208 states have call successors, (1208), 318 states have call predecessors, (1208), 316 states have return successors, (1206), 1182 states have call predecessors, (1206), 1206 states have call successors, (1206) [2022-11-23 15:22:16,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3678 states to 3678 states and 5041 transitions. [2022-11-23 15:22:16,369 INFO L78 Accepts]: Start accepts. Automaton has 3678 states and 5041 transitions. Word has length 52 [2022-11-23 15:22:16,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:22:16,370 INFO L495 AbstractCegarLoop]: Abstraction has 3678 states and 5041 transitions. [2022-11-23 15:22:16,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-23 15:22:16,371 INFO L276 IsEmpty]: Start isEmpty. Operand 3678 states and 5041 transitions. [2022-11-23 15:22:16,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-23 15:22:16,380 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:22:16,381 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:22:16,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:22:16,381 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:22:16,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:22:16,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1983517526, now seen corresponding path program 1 times [2022-11-23 15:22:16,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:22:16,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994578996] [2022-11-23 15:22:16,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:22:16,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:22:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:22:16,988 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:22:16,988 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:22:16,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994578996] [2022-11-23 15:22:16,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994578996] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:22:16,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:22:16,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:22:16,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879459382] [2022-11-23 15:22:16,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:22:16,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:22:16,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:22:16,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:22:16,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:22:16,991 INFO L87 Difference]: Start difference. First operand 3678 states and 5041 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-23 15:22:18,247 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 [] [2022-11-23 15:22:22,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:22:22,663 INFO L93 Difference]: Finished difference Result 3678 states and 5041 transitions. [2022-11-23 15:22:22,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:22:22,664 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 57 [2022-11-23 15:22:22,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:22:22,684 INFO L225 Difference]: With dead ends: 3678 [2022-11-23 15:22:22,684 INFO L226 Difference]: Without dead ends: 3676 [2022-11-23 15:22:22,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:22:22,687 INFO L413 NwaCegarLoop]: 2778 mSDtfsCounter, 3152 mSDsluCounter, 2778 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3154 SdHoareTripleChecker+Valid, 5556 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:22:22,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3154 Valid, 5556 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-11-23 15:22:22,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2022-11-23 15:22:22,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3676. [2022-11-23 15:22:22,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 2125 states have (on average 1.2352941176470589) internal successors, (2625), 2232 states have internal predecessors, (2625), 1208 states have call successors, (1208), 318 states have call predecessors, (1208), 316 states have return successors, (1206), 1182 states have call predecessors, (1206), 1206 states have call successors, (1206) [2022-11-23 15:22:22,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5039 transitions. [2022-11-23 15:22:22,894 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5039 transitions. Word has length 57 [2022-11-23 15:22:22,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:22:22,894 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 5039 transitions. [2022-11-23 15:22:22,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-23 15:22:22,895 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5039 transitions. [2022-11-23 15:22:22,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-23 15:22:22,896 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:22:22,896 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:22:22,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 15:22:22,897 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:22:22,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:22:22,897 INFO L85 PathProgramCache]: Analyzing trace with hash 2075403418, now seen corresponding path program 1 times [2022-11-23 15:22:22,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:22:22,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275207081] [2022-11-23 15:22:22,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:22:22,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:22:23,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:22:23,438 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:22:23,438 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:22:23,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275207081] [2022-11-23 15:22:23,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275207081] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:22:23,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:22:23,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:22:23,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96514972] [2022-11-23 15:22:23,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:22:23,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:22:23,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:22:23,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:22:23,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:22:23,441 INFO L87 Difference]: Start difference. First operand 3676 states and 5039 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-23 15:22:25,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:22:28,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:22:34,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:22:34,480 INFO L93 Difference]: Finished difference Result 5250 states and 7112 transitions. [2022-11-23 15:22:34,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:22:34,481 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 62 [2022-11-23 15:22:34,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:22:34,514 INFO L225 Difference]: With dead ends: 5250 [2022-11-23 15:22:34,515 INFO L226 Difference]: Without dead ends: 5248 [2022-11-23 15:22:34,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:22:34,520 INFO L413 NwaCegarLoop]: 3886 mSDtfsCounter, 2076 mSDsluCounter, 6638 mSDsCounter, 0 mSdLazyCounter, 1451 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2078 SdHoareTripleChecker+Valid, 10524 SdHoareTripleChecker+Invalid, 1453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1451 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:22:34,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2078 Valid, 10524 Invalid, 1453 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1451 Invalid, 1 Unknown, 0 Unchecked, 10.6s Time] [2022-11-23 15:22:34,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5248 states. [2022-11-23 15:22:34,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5248 to 5099. [2022-11-23 15:22:34,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5099 states, 2944 states have (on average 1.2296195652173914) internal successors, (3620), 3077 states have internal predecessors, (3620), 1669 states have call successors, (1669), 461 states have call predecessors, (1669), 459 states have return successors, (1667), 1638 states have call predecessors, (1667), 1667 states have call successors, (1667) [2022-11-23 15:22:34,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5099 states to 5099 states and 6956 transitions. [2022-11-23 15:22:34,882 INFO L78 Accepts]: Start accepts. Automaton has 5099 states and 6956 transitions. Word has length 62 [2022-11-23 15:22:34,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:22:34,883 INFO L495 AbstractCegarLoop]: Abstraction has 5099 states and 6956 transitions. [2022-11-23 15:22:34,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-23 15:22:34,884 INFO L276 IsEmpty]: Start isEmpty. Operand 5099 states and 6956 transitions. [2022-11-23 15:22:34,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-23 15:22:34,887 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:22:34,888 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:22:34,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 15:22:34,889 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:22:34,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:22:34,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1021105611, now seen corresponding path program 1 times [2022-11-23 15:22:34,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:22:34,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505400536] [2022-11-23 15:22:34,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:22:34,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:22:34,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:22:35,382 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:22:35,382 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:22:35,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505400536] [2022-11-23 15:22:35,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505400536] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:22:35,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:22:35,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:22:35,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617625305] [2022-11-23 15:22:35,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:22:35,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:22:35,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:22:35,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:22:35,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:22:35,386 INFO L87 Difference]: Start difference. First operand 5099 states and 6956 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-23 15:22:36,634 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 [] [2022-11-23 15:22:40,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:22:40,934 INFO L93 Difference]: Finished difference Result 5099 states and 6956 transitions. [2022-11-23 15:22:40,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:22:40,935 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 67 [2022-11-23 15:22:40,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:22:40,968 INFO L225 Difference]: With dead ends: 5099 [2022-11-23 15:22:40,969 INFO L226 Difference]: Without dead ends: 5097 [2022-11-23 15:22:40,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:22:40,973 INFO L413 NwaCegarLoop]: 2776 mSDtfsCounter, 3148 mSDsluCounter, 2776 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3150 SdHoareTripleChecker+Valid, 5552 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:22:40,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3150 Valid, 5552 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-11-23 15:22:40,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5097 states. [2022-11-23 15:22:41,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5097 to 5097. [2022-11-23 15:22:41,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5097 states, 2943 states have (on average 1.2293577981651376) internal successors, (3618), 3075 states have internal predecessors, (3618), 1669 states have call successors, (1669), 461 states have call predecessors, (1669), 459 states have return successors, (1667), 1638 states have call predecessors, (1667), 1667 states have call successors, (1667) [2022-11-23 15:22:41,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5097 states to 5097 states and 6954 transitions. [2022-11-23 15:22:41,453 INFO L78 Accepts]: Start accepts. Automaton has 5097 states and 6954 transitions. Word has length 67 [2022-11-23 15:22:41,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:22:41,456 INFO L495 AbstractCegarLoop]: Abstraction has 5097 states and 6954 transitions. [2022-11-23 15:22:41,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-23 15:22:41,456 INFO L276 IsEmpty]: Start isEmpty. Operand 5097 states and 6954 transitions. [2022-11-23 15:22:41,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-23 15:22:41,457 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:22:41,458 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:22:41,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 15:22:41,458 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:22:41,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:22:41,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1554496655, now seen corresponding path program 1 times [2022-11-23 15:22:41,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:22:41,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408852696] [2022-11-23 15:22:41,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:22:41,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:22:41,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:22:41,915 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:22:41,916 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:22:41,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408852696] [2022-11-23 15:22:41,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408852696] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:22:41,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:22:41,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:22:41,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130377206] [2022-11-23 15:22:41,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:22:41,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:22:41,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:22:41,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:22:41,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:22:41,918 INFO L87 Difference]: Start difference. First operand 5097 states and 6954 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-23 15:22:44,051 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 [] [2022-11-23 15:22:47,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:22:47,666 INFO L93 Difference]: Finished difference Result 5097 states and 6954 transitions. [2022-11-23 15:22:47,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:22:47,666 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 72 [2022-11-23 15:22:47,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:22:47,698 INFO L225 Difference]: With dead ends: 5097 [2022-11-23 15:22:47,698 INFO L226 Difference]: Without dead ends: 5095 [2022-11-23 15:22:47,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:22:47,703 INFO L413 NwaCegarLoop]: 2774 mSDtfsCounter, 3145 mSDsluCounter, 2774 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3147 SdHoareTripleChecker+Valid, 5548 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:22:47,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3147 Valid, 5548 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-11-23 15:22:47,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5095 states. [2022-11-23 15:22:48,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5095 to 5095. [2022-11-23 15:22:48,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5095 states, 2942 states have (on average 1.229095853161115) internal successors, (3616), 3073 states have internal predecessors, (3616), 1669 states have call successors, (1669), 461 states have call predecessors, (1669), 459 states have return successors, (1667), 1638 states have call predecessors, (1667), 1667 states have call successors, (1667) [2022-11-23 15:22:48,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5095 states to 5095 states and 6952 transitions. [2022-11-23 15:22:48,145 INFO L78 Accepts]: Start accepts. Automaton has 5095 states and 6952 transitions. Word has length 72 [2022-11-23 15:22:48,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:22:48,145 INFO L495 AbstractCegarLoop]: Abstraction has 5095 states and 6952 transitions. [2022-11-23 15:22:48,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-23 15:22:48,146 INFO L276 IsEmpty]: Start isEmpty. Operand 5095 states and 6952 transitions. [2022-11-23 15:22:48,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-23 15:22:48,147 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:22:48,147 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:22:48,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 15:22:48,147 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:22:48,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:22:48,148 INFO L85 PathProgramCache]: Analyzing trace with hash -2090098197, now seen corresponding path program 1 times [2022-11-23 15:22:48,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:22:48,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920719262] [2022-11-23 15:22:48,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:22:48,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:22:48,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:22:48,539 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-23 15:22:48,540 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:22:48,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920719262] [2022-11-23 15:22:48,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920719262] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:22:48,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:22:48,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:22:48,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319341078] [2022-11-23 15:22:48,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:22:48,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:22:48,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:22:48,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:22:48,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:22:48,542 INFO L87 Difference]: Start difference. First operand 5095 states and 6952 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-23 15:22:50,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:22:52,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:22:55,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:22:55,028 INFO L93 Difference]: Finished difference Result 11310 states and 15389 transitions. [2022-11-23 15:22:55,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:22:55,028 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 89 [2022-11-23 15:22:55,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:22:55,064 INFO L225 Difference]: With dead ends: 11310 [2022-11-23 15:22:55,064 INFO L226 Difference]: Without dead ends: 6233 [2022-11-23 15:22:55,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:22:55,084 INFO L413 NwaCegarLoop]: 3189 mSDtfsCounter, 2353 mSDsluCounter, 1990 mSDsCounter, 0 mSdLazyCounter, 714 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2365 SdHoareTripleChecker+Valid, 5179 SdHoareTripleChecker+Invalid, 716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 714 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:22:55,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2365 Valid, 5179 Invalid, 716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 714 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2022-11-23 15:22:55,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6233 states. [2022-11-23 15:22:55,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6233 to 6215. [2022-11-23 15:22:55,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6215 states, 3587 states have (on average 1.2235851686646222) internal successors, (4389), 3733 states have internal predecessors, (4389), 2020 states have call successors, (2020), 585 states have call predecessors, (2020), 583 states have return successors, (2030), 1987 states have call predecessors, (2030), 2018 states have call successors, (2030) [2022-11-23 15:22:55,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6215 states to 6215 states and 8439 transitions. [2022-11-23 15:22:55,538 INFO L78 Accepts]: Start accepts. Automaton has 6215 states and 8439 transitions. Word has length 89 [2022-11-23 15:22:55,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:22:55,540 INFO L495 AbstractCegarLoop]: Abstraction has 6215 states and 8439 transitions. [2022-11-23 15:22:55,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-23 15:22:55,540 INFO L276 IsEmpty]: Start isEmpty. Operand 6215 states and 8439 transitions. [2022-11-23 15:22:55,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-23 15:22:55,548 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:22:55,549 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:22:55,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 15:22:55,550 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:22:55,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:22:55,550 INFO L85 PathProgramCache]: Analyzing trace with hash -2051703172, now seen corresponding path program 1 times [2022-11-23 15:22:55,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:22:55,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267135402] [2022-11-23 15:22:55,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:22:55,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:22:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:22:56,014 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:22:56,014 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:22:56,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267135402] [2022-11-23 15:22:56,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267135402] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:22:56,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:22:56,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:22:56,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135619726] [2022-11-23 15:22:56,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:22:56,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:22:56,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:22:56,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:22:56,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:22:56,017 INFO L87 Difference]: Start difference. First operand 6215 states and 8439 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-23 15:22:58,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:23:00,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:23:03,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:23:06,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:23:06,981 INFO L93 Difference]: Finished difference Result 6358 states and 8588 transitions. [2022-11-23 15:23:06,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:23:06,981 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 77 [2022-11-23 15:23:06,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:23:07,012 INFO L225 Difference]: With dead ends: 6358 [2022-11-23 15:23:07,012 INFO L226 Difference]: Without dead ends: 6356 [2022-11-23 15:23:07,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:23:07,017 INFO L413 NwaCegarLoop]: 3929 mSDtfsCounter, 2062 mSDsluCounter, 6677 mSDsCounter, 0 mSdLazyCounter, 1469 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2064 SdHoareTripleChecker+Valid, 10606 SdHoareTripleChecker+Invalid, 1471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1469 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:23:07,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2064 Valid, 10606 Invalid, 1471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1469 Invalid, 1 Unknown, 0 Unchecked, 10.5s Time] [2022-11-23 15:23:07,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6356 states. [2022-11-23 15:23:07,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6356 to 6233. [2022-11-23 15:23:07,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6233 states, 3596 states have (on average 1.2230255839822024) internal successors, (4398), 3742 states have internal predecessors, (4398), 2026 states have call successors, (2026), 588 states have call predecessors, (2026), 586 states have return successors, (2036), 1993 states have call predecessors, (2036), 2024 states have call successors, (2036) [2022-11-23 15:23:07,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6233 states to 6233 states and 8460 transitions. [2022-11-23 15:23:07,475 INFO L78 Accepts]: Start accepts. Automaton has 6233 states and 8460 transitions. Word has length 77 [2022-11-23 15:23:07,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:23:07,475 INFO L495 AbstractCegarLoop]: Abstraction has 6233 states and 8460 transitions. [2022-11-23 15:23:07,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-23 15:23:07,476 INFO L276 IsEmpty]: Start isEmpty. Operand 6233 states and 8460 transitions. [2022-11-23 15:23:07,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-23 15:23:07,477 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:23:07,477 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:23:07,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 15:23:07,478 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:23:07,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:23:07,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1717434552, now seen corresponding path program 1 times [2022-11-23 15:23:07,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:23:07,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357543666] [2022-11-23 15:23:07,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:23:07,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:23:07,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:23:07,885 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-11-23 15:23:07,885 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:23:07,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357543666] [2022-11-23 15:23:07,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357543666] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:23:07,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194074244] [2022-11-23 15:23:07,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:23:07,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:23:07,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:23:07,891 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:23:07,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 15:23:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:23:09,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 3102 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 15:23:09,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:23:09,550 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-23 15:23:09,551 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:23:09,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [194074244] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:23:09,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:23:09,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-11-23 15:23:09,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405972606] [2022-11-23 15:23:09,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:23:09,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:23:09,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:23:09,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:23:09,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-23 15:23:09,554 INFO L87 Difference]: Start difference. First operand 6233 states and 8460 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-23 15:23:11,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:23:17,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:23:17,112 INFO L93 Difference]: Finished difference Result 13437 states and 18177 transitions. [2022-11-23 15:23:17,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:23:17,112 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 94 [2022-11-23 15:23:17,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:23:17,148 INFO L225 Difference]: With dead ends: 13437 [2022-11-23 15:23:17,148 INFO L226 Difference]: Without dead ends: 7222 [2022-11-23 15:23:17,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-23 15:23:17,178 INFO L413 NwaCegarLoop]: 3670 mSDtfsCounter, 2072 mSDsluCounter, 2368 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2072 SdHoareTripleChecker+Valid, 6038 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 853 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:23:17,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2072 Valid, 6038 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 853 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2022-11-23 15:23:17,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7222 states. [2022-11-23 15:23:17,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7222 to 7206. [2022-11-23 15:23:17,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7206 states, 4153 states have (on average 1.2183963399951843) internal successors, (5060), 4309 states have internal predecessors, (5060), 2328 states have call successors, (2328), 702 states have call predecessors, (2328), 700 states have return successors, (2338), 2295 states have call predecessors, (2338), 2326 states have call successors, (2338) [2022-11-23 15:23:17,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7206 states to 7206 states and 9726 transitions. [2022-11-23 15:23:17,807 INFO L78 Accepts]: Start accepts. Automaton has 7206 states and 9726 transitions. Word has length 94 [2022-11-23 15:23:17,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:23:17,807 INFO L495 AbstractCegarLoop]: Abstraction has 7206 states and 9726 transitions. [2022-11-23 15:23:17,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-23 15:23:17,808 INFO L276 IsEmpty]: Start isEmpty. Operand 7206 states and 9726 transitions. [2022-11-23 15:23:17,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-23 15:23:17,809 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:23:17,809 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:23:17,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 15:23:18,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-23 15:23:18,022 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:23:18,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:23:18,023 INFO L85 PathProgramCache]: Analyzing trace with hash 490812873, now seen corresponding path program 1 times [2022-11-23 15:23:18,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:23:18,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880422827] [2022-11-23 15:23:18,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:23:18,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:23:18,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:23:18,455 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:23:18,456 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:23:18,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880422827] [2022-11-23 15:23:18,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880422827] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:23:18,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:23:18,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:23:18,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012483963] [2022-11-23 15:23:18,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:23:18,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:23:18,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:23:18,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:23:18,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:23:18,458 INFO L87 Difference]: Start difference. First operand 7206 states and 9726 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-23 15:23:20,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:23:23,351 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 [] [2022-11-23 15:23:25,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:23:25,964 INFO L93 Difference]: Finished difference Result 7206 states and 9726 transitions. [2022-11-23 15:23:25,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:23:25,965 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 82 [2022-11-23 15:23:25,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:23:26,005 INFO L225 Difference]: With dead ends: 7206 [2022-11-23 15:23:26,005 INFO L226 Difference]: Without dead ends: 7204 [2022-11-23 15:23:26,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:23:26,011 INFO L413 NwaCegarLoop]: 2772 mSDtfsCounter, 3145 mSDsluCounter, 2768 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3147 SdHoareTripleChecker+Valid, 5540 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:23:26,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3147 Valid, 5540 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2022-11-23 15:23:26,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7204 states. [2022-11-23 15:23:26,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7204 to 7204. [2022-11-23 15:23:26,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7204 states, 4152 states have (on average 1.2182080924855492) internal successors, (5058), 4307 states have internal predecessors, (5058), 2328 states have call successors, (2328), 702 states have call predecessors, (2328), 700 states have return successors, (2338), 2295 states have call predecessors, (2338), 2326 states have call successors, (2338) [2022-11-23 15:23:26,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7204 states to 7204 states and 9724 transitions. [2022-11-23 15:23:26,610 INFO L78 Accepts]: Start accepts. Automaton has 7204 states and 9724 transitions. Word has length 82 [2022-11-23 15:23:26,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:23:26,610 INFO L495 AbstractCegarLoop]: Abstraction has 7204 states and 9724 transitions. [2022-11-23 15:23:26,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-23 15:23:26,611 INFO L276 IsEmpty]: Start isEmpty. Operand 7204 states and 9724 transitions. [2022-11-23 15:23:26,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-23 15:23:26,612 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:23:26,612 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:23:26,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-23 15:23:26,613 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:23:26,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:23:26,613 INFO L85 PathProgramCache]: Analyzing trace with hash -775044308, now seen corresponding path program 1 times [2022-11-23 15:23:26,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:23:26,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644720737] [2022-11-23 15:23:26,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:23:26,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:23:26,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:23:27,039 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:23:27,040 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:23:27,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644720737] [2022-11-23 15:23:27,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644720737] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:23:27,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:23:27,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:23:27,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666935017] [2022-11-23 15:23:27,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:23:27,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:23:27,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:23:27,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:23:27,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:23:27,042 INFO L87 Difference]: Start difference. First operand 7204 states and 9724 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-23 15:23:29,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:23:30,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:23:34,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:23:34,533 INFO L93 Difference]: Finished difference Result 7204 states and 9724 transitions. [2022-11-23 15:23:34,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:23:34,534 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 84 [2022-11-23 15:23:34,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:23:34,566 INFO L225 Difference]: With dead ends: 7204 [2022-11-23 15:23:34,566 INFO L226 Difference]: Without dead ends: 7202 [2022-11-23 15:23:34,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:23:34,573 INFO L413 NwaCegarLoop]: 2770 mSDtfsCounter, 3137 mSDsluCounter, 2770 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3139 SdHoareTripleChecker+Valid, 5540 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:23:34,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3139 Valid, 5540 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2022-11-23 15:23:34,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7202 states. [2022-11-23 15:23:35,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7202 to 7202. [2022-11-23 15:23:35,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7202 states, 4151 states have (on average 1.218019754276078) internal successors, (5056), 4305 states have internal predecessors, (5056), 2328 states have call successors, (2328), 702 states have call predecessors, (2328), 700 states have return successors, (2338), 2295 states have call predecessors, (2338), 2326 states have call successors, (2338) [2022-11-23 15:23:35,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7202 states to 7202 states and 9722 transitions. [2022-11-23 15:23:35,273 INFO L78 Accepts]: Start accepts. Automaton has 7202 states and 9722 transitions. Word has length 84 [2022-11-23 15:23:35,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:23:35,274 INFO L495 AbstractCegarLoop]: Abstraction has 7202 states and 9722 transitions. [2022-11-23 15:23:35,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-23 15:23:35,274 INFO L276 IsEmpty]: Start isEmpty. Operand 7202 states and 9722 transitions. [2022-11-23 15:23:35,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-23 15:23:35,275 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:23:35,276 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:23:35,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-23 15:23:35,276 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:23:35,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:23:35,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1671082269, now seen corresponding path program 1 times [2022-11-23 15:23:35,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:23:35,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096251517] [2022-11-23 15:23:35,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:23:35,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:23:35,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:23:35,677 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:23:35,677 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:23:35,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096251517] [2022-11-23 15:23:35,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096251517] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:23:35,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:23:35,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:23:35,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177945363] [2022-11-23 15:23:35,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:23:35,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:23:35,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:23:35,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:23:35,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:23:35,680 INFO L87 Difference]: Start difference. First operand 7202 states and 9722 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-23 15:23:37,070 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 [] [2022-11-23 15:23:39,142 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 [] [2022-11-23 15:23:42,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:23:42,336 INFO L93 Difference]: Finished difference Result 7202 states and 9722 transitions. [2022-11-23 15:23:42,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:23:42,336 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 89 [2022-11-23 15:23:42,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:23:42,362 INFO L225 Difference]: With dead ends: 7202 [2022-11-23 15:23:42,362 INFO L226 Difference]: Without dead ends: 7200 [2022-11-23 15:23:42,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:23:42,369 INFO L413 NwaCegarLoop]: 2768 mSDtfsCounter, 3136 mSDsluCounter, 2768 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3138 SdHoareTripleChecker+Valid, 5536 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:23:42,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3138 Valid, 5536 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-11-23 15:23:42,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7200 states. [2022-11-23 15:23:42,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7200 to 7200. [2022-11-23 15:23:42,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7200 states, 4150 states have (on average 1.2178313253012047) internal successors, (5054), 4303 states have internal predecessors, (5054), 2328 states have call successors, (2328), 702 states have call predecessors, (2328), 700 states have return successors, (2338), 2295 states have call predecessors, (2338), 2326 states have call successors, (2338) [2022-11-23 15:23:43,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7200 states to 7200 states and 9720 transitions. [2022-11-23 15:23:43,021 INFO L78 Accepts]: Start accepts. Automaton has 7200 states and 9720 transitions. Word has length 89 [2022-11-23 15:23:43,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:23:43,021 INFO L495 AbstractCegarLoop]: Abstraction has 7200 states and 9720 transitions. [2022-11-23 15:23:43,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-23 15:23:43,022 INFO L276 IsEmpty]: Start isEmpty. Operand 7200 states and 9720 transitions. [2022-11-23 15:23:43,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-23 15:23:43,023 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:23:43,024 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:23:43,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-23 15:23:43,024 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:23:43,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:23:43,025 INFO L85 PathProgramCache]: Analyzing trace with hash -611997898, now seen corresponding path program 1 times [2022-11-23 15:23:43,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:23:43,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536119455] [2022-11-23 15:23:43,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:23:43,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:23:43,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:23:43,439 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:23:43,439 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:23:43,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536119455] [2022-11-23 15:23:43,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536119455] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:23:43,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:23:43,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:23:43,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973887758] [2022-11-23 15:23:43,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:23:43,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:23:43,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:23:43,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:23:43,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:23:43,442 INFO L87 Difference]: Start difference. First operand 7200 states and 9720 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-23 15:23:45,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:23:49,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:23:49,551 INFO L93 Difference]: Finished difference Result 7200 states and 9720 transitions. [2022-11-23 15:23:49,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:23:49,551 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 94 [2022-11-23 15:23:49,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:23:49,570 INFO L225 Difference]: With dead ends: 7200 [2022-11-23 15:23:49,570 INFO L226 Difference]: Without dead ends: 7198 [2022-11-23 15:23:49,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:23:49,574 INFO L413 NwaCegarLoop]: 2766 mSDtfsCounter, 3133 mSDsluCounter, 2766 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3135 SdHoareTripleChecker+Valid, 5532 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:23:49,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3135 Valid, 5532 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-11-23 15:23:49,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7198 states. [2022-11-23 15:23:50,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7198 to 7198. [2022-11-23 15:23:50,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7198 states, 4149 states have (on average 1.2176428054953001) internal successors, (5052), 4301 states have internal predecessors, (5052), 2328 states have call successors, (2328), 702 states have call predecessors, (2328), 700 states have return successors, (2338), 2295 states have call predecessors, (2338), 2326 states have call successors, (2338) [2022-11-23 15:23:50,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7198 states to 7198 states and 9718 transitions. [2022-11-23 15:23:50,238 INFO L78 Accepts]: Start accepts. Automaton has 7198 states and 9718 transitions. Word has length 94 [2022-11-23 15:23:50,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:23:50,238 INFO L495 AbstractCegarLoop]: Abstraction has 7198 states and 9718 transitions. [2022-11-23 15:23:50,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-23 15:23:50,239 INFO L276 IsEmpty]: Start isEmpty. Operand 7198 states and 9718 transitions. [2022-11-23 15:23:50,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-23 15:23:50,240 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:23:50,241 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:23:50,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-23 15:23:50,241 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:23:50,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:23:50,242 INFO L85 PathProgramCache]: Analyzing trace with hash -981318956, now seen corresponding path program 1 times [2022-11-23 15:23:50,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:23:50,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101000099] [2022-11-23 15:23:50,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:23:50,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:23:50,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:23:50,662 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:23:50,662 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:23:50,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101000099] [2022-11-23 15:23:50,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101000099] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:23:50,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:23:50,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:23:50,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68756241] [2022-11-23 15:23:50,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:23:50,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:23:50,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:23:50,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:23:50,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:23:50,665 INFO L87 Difference]: Start difference. First operand 7198 states and 9718 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-23 15:23:52,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:23:55,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:23:57,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:24:02,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:24:05,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:24:05,286 INFO L93 Difference]: Finished difference Result 7311 states and 9835 transitions. [2022-11-23 15:24:05,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:24:05,287 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 99 [2022-11-23 15:24:05,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:24:05,303 INFO L225 Difference]: With dead ends: 7311 [2022-11-23 15:24:05,303 INFO L226 Difference]: Without dead ends: 7309 [2022-11-23 15:24:05,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:24:05,305 INFO L413 NwaCegarLoop]: 4379 mSDtfsCounter, 2043 mSDsluCounter, 7119 mSDsCounter, 0 mSdLazyCounter, 1589 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2045 SdHoareTripleChecker+Valid, 11498 SdHoareTripleChecker+Invalid, 1593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1589 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:24:05,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2045 Valid, 11498 Invalid, 1593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1589 Invalid, 3 Unknown, 0 Unchecked, 13.9s Time] [2022-11-23 15:24:05,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7309 states. [2022-11-23 15:24:05,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7309 to 7224. [2022-11-23 15:24:05,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7224 states, 4163 states have (on average 1.2169108815757868) internal successors, (5066), 4315 states have internal predecessors, (5066), 2336 states have call successors, (2336), 706 states have call predecessors, (2336), 704 states have return successors, (2346), 2303 states have call predecessors, (2346), 2334 states have call successors, (2346) [2022-11-23 15:24:06,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7224 states to 7224 states and 9748 transitions. [2022-11-23 15:24:06,017 INFO L78 Accepts]: Start accepts. Automaton has 7224 states and 9748 transitions. Word has length 99 [2022-11-23 15:24:06,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:24:06,018 INFO L495 AbstractCegarLoop]: Abstraction has 7224 states and 9748 transitions. [2022-11-23 15:24:06,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-23 15:24:06,018 INFO L276 IsEmpty]: Start isEmpty. Operand 7224 states and 9748 transitions. [2022-11-23 15:24:06,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-23 15:24:06,020 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:24:06,020 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:24:06,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-23 15:24:06,020 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:24:06,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:24:06,021 INFO L85 PathProgramCache]: Analyzing trace with hash -627668434, now seen corresponding path program 1 times [2022-11-23 15:24:06,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:24:06,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333087399] [2022-11-23 15:24:06,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:24:06,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:24:06,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:24:06,459 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:24:06,460 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:24:06,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333087399] [2022-11-23 15:24:06,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333087399] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:24:06,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:24:06,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:24:06,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874380899] [2022-11-23 15:24:06,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:24:06,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:24:06,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:24:06,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:24:06,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:24:06,462 INFO L87 Difference]: Start difference. First operand 7224 states and 9748 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-23 15:24:08,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:24:10,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:24:13,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:24:13,293 INFO L93 Difference]: Finished difference Result 7232 states and 9777 transitions. [2022-11-23 15:24:13,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:24:13,293 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 104 [2022-11-23 15:24:13,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:24:13,314 INFO L225 Difference]: With dead ends: 7232 [2022-11-23 15:24:13,315 INFO L226 Difference]: Without dead ends: 7230 [2022-11-23 15:24:13,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:24:13,319 INFO L413 NwaCegarLoop]: 2766 mSDtfsCounter, 3126 mSDsluCounter, 2766 mSDsCounter, 0 mSdLazyCounter, 790 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3141 SdHoareTripleChecker+Valid, 5532 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 790 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:24:13,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3141 Valid, 5532 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 790 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2022-11-23 15:24:13,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7230 states. [2022-11-23 15:24:14,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7230 to 7224. [2022-11-23 15:24:14,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7224 states, 4163 states have (on average 1.216670670189767) internal successors, (5065), 4315 states have internal predecessors, (5065), 2336 states have call successors, (2336), 706 states have call predecessors, (2336), 705 states have return successors, (2353), 2303 states have call predecessors, (2353), 2334 states have call successors, (2353) [2022-11-23 15:24:14,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7224 states to 7224 states and 9754 transitions. [2022-11-23 15:24:14,122 INFO L78 Accepts]: Start accepts. Automaton has 7224 states and 9754 transitions. Word has length 104 [2022-11-23 15:24:14,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:24:14,123 INFO L495 AbstractCegarLoop]: Abstraction has 7224 states and 9754 transitions. [2022-11-23 15:24:14,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-23 15:24:14,123 INFO L276 IsEmpty]: Start isEmpty. Operand 7224 states and 9754 transitions. [2022-11-23 15:24:14,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-23 15:24:14,125 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:24:14,125 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:24:14,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-23 15:24:14,125 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:24:14,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:24:14,126 INFO L85 PathProgramCache]: Analyzing trace with hash -388427874, now seen corresponding path program 1 times [2022-11-23 15:24:14,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:24:14,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356531817] [2022-11-23 15:24:14,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:24:14,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:24:14,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:24:14,549 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:24:14,550 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:24:14,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356531817] [2022-11-23 15:24:14,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356531817] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:24:14,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:24:14,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:24:14,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433533281] [2022-11-23 15:24:14,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:24:14,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:24:14,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:24:14,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:24:14,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:24:14,552 INFO L87 Difference]: Start difference. First operand 7224 states and 9754 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-23 15:24:16,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:24:18,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:24:23,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:24:23,587 INFO L93 Difference]: Finished difference Result 7311 states and 9851 transitions. [2022-11-23 15:24:23,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:24:23,588 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 109 [2022-11-23 15:24:23,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:24:23,610 INFO L225 Difference]: With dead ends: 7311 [2022-11-23 15:24:23,610 INFO L226 Difference]: Without dead ends: 7309 [2022-11-23 15:24:23,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:24:23,614 INFO L413 NwaCegarLoop]: 4378 mSDtfsCounter, 2035 mSDsluCounter, 7116 mSDsCounter, 0 mSdLazyCounter, 1586 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2043 SdHoareTripleChecker+Valid, 11494 SdHoareTripleChecker+Invalid, 1589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1586 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:24:23,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2043 Valid, 11494 Invalid, 1589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1586 Invalid, 2 Unknown, 0 Unchecked, 8.3s Time] [2022-11-23 15:24:23,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7309 states. [2022-11-23 15:24:24,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7309 to 7236. [2022-11-23 15:24:24,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7236 states, 4169 states have (on average 1.2163588390501319) internal successors, (5071), 4321 states have internal predecessors, (5071), 2340 states have call successors, (2340), 708 states have call predecessors, (2340), 707 states have return successors, (2357), 2307 states have call predecessors, (2357), 2338 states have call successors, (2357) [2022-11-23 15:24:24,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7236 states to 7236 states and 9768 transitions. [2022-11-23 15:24:24,194 INFO L78 Accepts]: Start accepts. Automaton has 7236 states and 9768 transitions. Word has length 109 [2022-11-23 15:24:24,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:24:24,195 INFO L495 AbstractCegarLoop]: Abstraction has 7236 states and 9768 transitions. [2022-11-23 15:24:24,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-23 15:24:24,195 INFO L276 IsEmpty]: Start isEmpty. Operand 7236 states and 9768 transitions. [2022-11-23 15:24:24,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-23 15:24:24,197 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:24:24,197 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:24:24,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-23 15:24:24,198 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:24:24,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:24:24,198 INFO L85 PathProgramCache]: Analyzing trace with hash 867347512, now seen corresponding path program 1 times [2022-11-23 15:24:24,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:24:24,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404072048] [2022-11-23 15:24:24,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:24:24,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:24:24,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:24:24,649 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:24:24,649 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:24:24,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404072048] [2022-11-23 15:24:24,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404072048] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:24:24,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:24:24,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:24:24,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155729277] [2022-11-23 15:24:24,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:24:24,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:24:24,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:24:24,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:24:24,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:24:24,653 INFO L87 Difference]: Start difference. First operand 7236 states and 9768 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-23 15:24:26,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:24:28,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:24:33,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:24:37,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:24:37,140 INFO L93 Difference]: Finished difference Result 7305 states and 9835 transitions. [2022-11-23 15:24:37,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:24:37,141 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 114 [2022-11-23 15:24:37,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:24:37,166 INFO L225 Difference]: With dead ends: 7305 [2022-11-23 15:24:37,167 INFO L226 Difference]: Without dead ends: 7303 [2022-11-23 15:24:37,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:24:37,171 INFO L413 NwaCegarLoop]: 4377 mSDtfsCounter, 2034 mSDsluCounter, 7115 mSDsCounter, 0 mSdLazyCounter, 1590 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2036 SdHoareTripleChecker+Valid, 11492 SdHoareTripleChecker+Invalid, 1593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1590 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:24:37,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2036 Valid, 11492 Invalid, 1593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1590 Invalid, 2 Unknown, 0 Unchecked, 11.8s Time] [2022-11-23 15:24:37,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7303 states. [2022-11-23 15:24:37,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7303 to 7242. [2022-11-23 15:24:37,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7242 states, 4172 states have (on average 1.2162032598274208) internal successors, (5074), 4324 states have internal predecessors, (5074), 2342 states have call successors, (2342), 709 states have call predecessors, (2342), 708 states have return successors, (2359), 2309 states have call predecessors, (2359), 2340 states have call successors, (2359) [2022-11-23 15:24:37,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7242 states to 7242 states and 9775 transitions. [2022-11-23 15:24:37,783 INFO L78 Accepts]: Start accepts. Automaton has 7242 states and 9775 transitions. Word has length 114 [2022-11-23 15:24:37,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:24:37,783 INFO L495 AbstractCegarLoop]: Abstraction has 7242 states and 9775 transitions. [2022-11-23 15:24:37,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-23 15:24:37,784 INFO L276 IsEmpty]: Start isEmpty. Operand 7242 states and 9775 transitions. [2022-11-23 15:24:37,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-23 15:24:37,785 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:24:37,786 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:24:37,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-23 15:24:37,786 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:24:37,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:24:37,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1916305141, now seen corresponding path program 1 times [2022-11-23 15:24:37,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:24:37,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296259798] [2022-11-23 15:24:37,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:24:37,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:24:37,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:24:38,738 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:24:38,738 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:24:38,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296259798] [2022-11-23 15:24:38,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296259798] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:24:38,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:24:38,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:24:38,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586611701] [2022-11-23 15:24:38,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:24:38,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:24:38,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:24:38,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:24:38,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:24:38,742 INFO L87 Difference]: Start difference. First operand 7242 states and 9775 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-23 15:24:40,224 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 [] [2022-11-23 15:24:42,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:24:45,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:24:45,238 INFO L93 Difference]: Finished difference Result 7242 states and 9775 transitions. [2022-11-23 15:24:45,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:24:45,238 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 119 [2022-11-23 15:24:45,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:24:45,257 INFO L225 Difference]: With dead ends: 7242 [2022-11-23 15:24:45,257 INFO L226 Difference]: Without dead ends: 7240 [2022-11-23 15:24:45,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:24:45,260 INFO L413 NwaCegarLoop]: 2762 mSDtfsCounter, 3124 mSDsluCounter, 2762 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3126 SdHoareTripleChecker+Valid, 5524 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:24:45,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3126 Valid, 5524 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-11-23 15:24:45,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7240 states. [2022-11-23 15:24:45,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7240 to 7240. [2022-11-23 15:24:45,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7240 states, 4171 states have (on average 1.2160153440421961) internal successors, (5072), 4322 states have internal predecessors, (5072), 2342 states have call successors, (2342), 709 states have call predecessors, (2342), 708 states have return successors, (2359), 2309 states have call predecessors, (2359), 2340 states have call successors, (2359) [2022-11-23 15:24:45,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7240 states to 7240 states and 9773 transitions. [2022-11-23 15:24:45,872 INFO L78 Accepts]: Start accepts. Automaton has 7240 states and 9773 transitions. Word has length 119 [2022-11-23 15:24:45,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:24:45,873 INFO L495 AbstractCegarLoop]: Abstraction has 7240 states and 9773 transitions. [2022-11-23 15:24:45,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-23 15:24:45,873 INFO L276 IsEmpty]: Start isEmpty. Operand 7240 states and 9773 transitions. [2022-11-23 15:24:45,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-23 15:24:45,874 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:24:45,874 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:24:45,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-23 15:24:45,875 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:24:45,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:24:45,875 INFO L85 PathProgramCache]: Analyzing trace with hash 2137462075, now seen corresponding path program 1 times [2022-11-23 15:24:45,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:24:45,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550632896] [2022-11-23 15:24:45,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:24:45,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:24:45,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:24:46,283 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:24:46,284 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:24:46,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550632896] [2022-11-23 15:24:46,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550632896] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:24:46,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:24:46,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:24:46,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760417291] [2022-11-23 15:24:46,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:24:46,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:24:46,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:24:46,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:24:46,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:24:46,288 INFO L87 Difference]: Start difference. First operand 7240 states and 9773 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-23 15:24:48,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:24:50,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:24:55,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:24:55,591 INFO L93 Difference]: Finished difference Result 7303 states and 9843 transitions. [2022-11-23 15:24:55,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:24:55,591 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 124 [2022-11-23 15:24:55,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:24:55,610 INFO L225 Difference]: With dead ends: 7303 [2022-11-23 15:24:55,611 INFO L226 Difference]: Without dead ends: 7301 [2022-11-23 15:24:55,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:24:55,614 INFO L413 NwaCegarLoop]: 4376 mSDtfsCounter, 2026 mSDsluCounter, 7112 mSDsCounter, 0 mSdLazyCounter, 1586 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2034 SdHoareTripleChecker+Valid, 11488 SdHoareTripleChecker+Invalid, 1589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1586 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:24:55,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2034 Valid, 11488 Invalid, 1589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1586 Invalid, 2 Unknown, 0 Unchecked, 8.5s Time] [2022-11-23 15:24:55,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7301 states. [2022-11-23 15:24:56,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7301 to 7252. [2022-11-23 15:24:56,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7252 states, 4177 states have (on average 1.2157050514723486) internal successors, (5078), 4328 states have internal predecessors, (5078), 2346 states have call successors, (2346), 711 states have call predecessors, (2346), 710 states have return successors, (2363), 2313 states have call predecessors, (2363), 2344 states have call successors, (2363) [2022-11-23 15:24:56,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7252 states to 7252 states and 9787 transitions. [2022-11-23 15:24:56,233 INFO L78 Accepts]: Start accepts. Automaton has 7252 states and 9787 transitions. Word has length 124 [2022-11-23 15:24:56,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:24:56,233 INFO L495 AbstractCegarLoop]: Abstraction has 7252 states and 9787 transitions. [2022-11-23 15:24:56,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-23 15:24:56,233 INFO L276 IsEmpty]: Start isEmpty. Operand 7252 states and 9787 transitions. [2022-11-23 15:24:56,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-23 15:24:56,235 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:24:56,235 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:24:56,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-23 15:24:56,236 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:24:56,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:24:56,237 INFO L85 PathProgramCache]: Analyzing trace with hash -879537175, now seen corresponding path program 1 times [2022-11-23 15:24:56,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:24:56,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686021960] [2022-11-23 15:24:56,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:24:56,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:24:56,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:24:56,651 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:24:56,652 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:24:56,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686021960] [2022-11-23 15:24:56,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686021960] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:24:56,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:24:56,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:24:56,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011209552] [2022-11-23 15:24:56,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:24:56,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:24:56,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:24:56,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:24:56,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:24:56,654 INFO L87 Difference]: Start difference. First operand 7252 states and 9787 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-23 15:25:00,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:25:03,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:25:03,348 INFO L93 Difference]: Finished difference Result 7252 states and 9787 transitions. [2022-11-23 15:25:03,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:25:03,348 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 129 [2022-11-23 15:25:03,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:25:03,370 INFO L225 Difference]: With dead ends: 7252 [2022-11-23 15:25:03,370 INFO L226 Difference]: Without dead ends: 7250 [2022-11-23 15:25:03,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:25:03,374 INFO L413 NwaCegarLoop]: 2760 mSDtfsCounter, 3120 mSDsluCounter, 2760 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3122 SdHoareTripleChecker+Valid, 5520 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:25:03,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3122 Valid, 5520 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-11-23 15:25:03,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7250 states. [2022-11-23 15:25:03,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7250 to 7250. [2022-11-23 15:25:03,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7250 states, 4176 states have (on average 1.2155172413793103) internal successors, (5076), 4326 states have internal predecessors, (5076), 2346 states have call successors, (2346), 711 states have call predecessors, (2346), 710 states have return successors, (2363), 2313 states have call predecessors, (2363), 2344 states have call successors, (2363) [2022-11-23 15:25:04,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7250 states to 7250 states and 9785 transitions. [2022-11-23 15:25:04,018 INFO L78 Accepts]: Start accepts. Automaton has 7250 states and 9785 transitions. Word has length 129 [2022-11-23 15:25:04,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:25:04,018 INFO L495 AbstractCegarLoop]: Abstraction has 7250 states and 9785 transitions. [2022-11-23 15:25:04,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-23 15:25:04,019 INFO L276 IsEmpty]: Start isEmpty. Operand 7250 states and 9785 transitions. [2022-11-23 15:25:04,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-23 15:25:04,020 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:25:04,021 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:25:04,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-23 15:25:04,021 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:25:04,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:25:04,021 INFO L85 PathProgramCache]: Analyzing trace with hash 121434253, now seen corresponding path program 1 times [2022-11-23 15:25:04,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:25:04,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726670043] [2022-11-23 15:25:04,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:25:04,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:25:04,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:25:05,245 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2022-11-23 15:25:05,246 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:25:05,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726670043] [2022-11-23 15:25:05,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726670043] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:25:05,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:25:05,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:25:05,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480926446] [2022-11-23 15:25:05,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:25:05,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:25:05,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:25:05,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:25:05,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:25:05,250 INFO L87 Difference]: Start difference. First operand 7250 states and 9785 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-23 15:25:07,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:25:09,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:25:14,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:25:14,273 INFO L93 Difference]: Finished difference Result 12503 states and 17147 transitions. [2022-11-23 15:25:14,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:25:14,274 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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 144 [2022-11-23 15:25:14,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:25:14,299 INFO L225 Difference]: With dead ends: 12503 [2022-11-23 15:25:14,299 INFO L226 Difference]: Without dead ends: 8134 [2022-11-23 15:25:14,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:25:14,322 INFO L413 NwaCegarLoop]: 3107 mSDtfsCounter, 270 mSDsluCounter, 5867 mSDsCounter, 0 mSdLazyCounter, 1228 mSolverCounterSat, 172 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 8974 SdHoareTripleChecker+Invalid, 1402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 1228 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:25:14,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 8974 Invalid, 1402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 1228 Invalid, 2 Unknown, 0 Unchecked, 8.0s Time] [2022-11-23 15:25:14,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8134 states. [2022-11-23 15:25:14,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8134 to 7256. [2022-11-23 15:25:14,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7256 states, 4182 states have (on average 1.2152080344332854) internal successors, (5082), 4332 states have internal predecessors, (5082), 2346 states have call successors, (2346), 711 states have call predecessors, (2346), 710 states have return successors, (2363), 2313 states have call predecessors, (2363), 2344 states have call successors, (2363) [2022-11-23 15:25:15,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7256 states to 7256 states and 9791 transitions. [2022-11-23 15:25:15,010 INFO L78 Accepts]: Start accepts. Automaton has 7256 states and 9791 transitions. Word has length 144 [2022-11-23 15:25:15,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:25:15,010 INFO L495 AbstractCegarLoop]: Abstraction has 7256 states and 9791 transitions. [2022-11-23 15:25:15,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-23 15:25:15,010 INFO L276 IsEmpty]: Start isEmpty. Operand 7256 states and 9791 transitions. [2022-11-23 15:25:15,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-23 15:25:15,012 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:25:15,012 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:25:15,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-23 15:25:15,013 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:25:15,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:25:15,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1122821267, now seen corresponding path program 1 times [2022-11-23 15:25:15,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:25:15,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584728787] [2022-11-23 15:25:15,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:25:15,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:25:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:25:15,410 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:25:15,410 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:25:15,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584728787] [2022-11-23 15:25:15,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584728787] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:25:15,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:25:15,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:25:15,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551566100] [2022-11-23 15:25:15,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:25:15,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:25:15,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:25:15,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:25:15,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:25:15,413 INFO L87 Difference]: Start difference. First operand 7256 states and 9791 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-23 15:25:16,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:25:21,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:25:21,938 INFO L93 Difference]: Finished difference Result 7256 states and 9791 transitions. [2022-11-23 15:25:21,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:25:21,939 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 134 [2022-11-23 15:25:21,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:25:21,963 INFO L225 Difference]: With dead ends: 7256 [2022-11-23 15:25:21,964 INFO L226 Difference]: Without dead ends: 7254 [2022-11-23 15:25:21,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:25:21,967 INFO L413 NwaCegarLoop]: 2758 mSDtfsCounter, 3117 mSDsluCounter, 2758 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3119 SdHoareTripleChecker+Valid, 5516 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:25:21,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3119 Valid, 5516 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-11-23 15:25:21,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7254 states. [2022-11-23 15:25:22,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7254 to 7254. [2022-11-23 15:25:22,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7254 states, 4181 states have (on average 1.2150203300645779) internal successors, (5080), 4330 states have internal predecessors, (5080), 2346 states have call successors, (2346), 711 states have call predecessors, (2346), 710 states have return successors, (2363), 2313 states have call predecessors, (2363), 2344 states have call successors, (2363) [2022-11-23 15:25:22,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7254 states to 7254 states and 9789 transitions. [2022-11-23 15:25:22,632 INFO L78 Accepts]: Start accepts. Automaton has 7254 states and 9789 transitions. Word has length 134 [2022-11-23 15:25:22,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:25:22,632 INFO L495 AbstractCegarLoop]: Abstraction has 7254 states and 9789 transitions. [2022-11-23 15:25:22,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-23 15:25:22,632 INFO L276 IsEmpty]: Start isEmpty. Operand 7254 states and 9789 transitions. [2022-11-23 15:25:22,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-11-23 15:25:22,634 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:25:22,635 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:25:22,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-23 15:25:22,635 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:25:22,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:25:22,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1362864049, now seen corresponding path program 1 times [2022-11-23 15:25:22,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:25:22,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875963281] [2022-11-23 15:25:22,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:25:22,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:25:22,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:25:23,833 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2022-11-23 15:25:23,833 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:25:23,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875963281] [2022-11-23 15:25:23,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875963281] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:25:23,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2005112905] [2022-11-23 15:25:23,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:25:23,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:25:23,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:25:23,842 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:25:23,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 15:25:25,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:25:25,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 3469 conjuncts, 44 conjunts are in the unsatisfiable core [2022-11-23 15:25:25,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:25:25,716 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2022-11-23 15:25:25,716 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:25:25,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2005112905] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:25:25,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:25:25,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [8] total 17 [2022-11-23 15:25:25,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87756889] [2022-11-23 15:25:25,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:25:25,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-23 15:25:25,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:25:25,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-23 15:25:25,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=239, Unknown=0, NotChecked=0, Total=272 [2022-11-23 15:25:25,719 INFO L87 Difference]: Start difference. First operand 7254 states and 9789 transitions. Second operand has 11 states, 8 states have (on average 7.625) internal successors, (61), 10 states have internal predecessors, (61), 6 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2022-11-23 15:25:30,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:25:32,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:25:34,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:25:36,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:25:37,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:25:40,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:25:42,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:25:43,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:25:45,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:25:46,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:25:55,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:25:57,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:25:59,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:26:01,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:26:03,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:26:10,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:26:14,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:26:14,048 INFO L93 Difference]: Finished difference Result 16152 states and 22234 transitions. [2022-11-23 15:26:14,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-23 15:26:14,048 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 7.625) internal successors, (61), 10 states have internal predecessors, (61), 6 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) Word has length 160 [2022-11-23 15:26:14,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:26:14,076 INFO L225 Difference]: With dead ends: 16152 [2022-11-23 15:26:14,076 INFO L226 Difference]: Without dead ends: 9004 [2022-11-23 15:26:14,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2022-11-23 15:26:14,105 INFO L413 NwaCegarLoop]: 4022 mSDtfsCounter, 1592 mSDsluCounter, 33721 mSDsCounter, 0 mSdLazyCounter, 5465 mSolverCounterSat, 924 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1878 SdHoareTripleChecker+Valid, 37743 SdHoareTripleChecker+Invalid, 6396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 924 IncrementalHoareTripleChecker+Valid, 5465 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:26:14,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1878 Valid, 37743 Invalid, 6396 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [924 Valid, 5465 Invalid, 7 Unknown, 0 Unchecked, 46.7s Time] [2022-11-23 15:26:14,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9004 states. [2022-11-23 15:26:15,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9004 to 7290. [2022-11-23 15:26:15,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7290 states, 4205 states have (on average 1.2137931034482758) internal successors, (5104), 4354 states have internal predecessors, (5104), 2358 states have call successors, (2358), 711 states have call predecessors, (2358), 710 states have return successors, (2375), 2325 states have call predecessors, (2375), 2356 states have call successors, (2375) [2022-11-23 15:26:15,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7290 states to 7290 states and 9837 transitions. [2022-11-23 15:26:15,099 INFO L78 Accepts]: Start accepts. Automaton has 7290 states and 9837 transitions. Word has length 160 [2022-11-23 15:26:15,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:26:15,100 INFO L495 AbstractCegarLoop]: Abstraction has 7290 states and 9837 transitions. [2022-11-23 15:26:15,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 7.625) internal successors, (61), 10 states have internal predecessors, (61), 6 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2022-11-23 15:26:15,100 INFO L276 IsEmpty]: Start isEmpty. Operand 7290 states and 9837 transitions. [2022-11-23 15:26:15,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-23 15:26:15,103 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:26:15,103 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:26:15,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-23 15:26:15,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-11-23 15:26:15,313 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:26:15,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:26:15,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1601187547, now seen corresponding path program 1 times [2022-11-23 15:26:15,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:26:15,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697620741] [2022-11-23 15:26:15,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:26:15,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:26:15,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:26:15,786 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:26:15,786 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:26:15,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697620741] [2022-11-23 15:26:15,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697620741] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:26:15,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:26:15,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:26:15,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200757491] [2022-11-23 15:26:15,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:26:15,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:26:15,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:26:15,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:26:15,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:26:15,789 INFO L87 Difference]: Start difference. First operand 7290 states and 9837 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-23 15:26:18,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:26:19,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:26:23,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:26:25,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:26:29,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:26:29,286 INFO L93 Difference]: Finished difference Result 7331 states and 9873 transitions. [2022-11-23 15:26:29,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:26:29,286 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 139 [2022-11-23 15:26:29,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:26:29,304 INFO L225 Difference]: With dead ends: 7331 [2022-11-23 15:26:29,304 INFO L226 Difference]: Without dead ends: 7329 [2022-11-23 15:26:29,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:26:29,307 INFO L413 NwaCegarLoop]: 3772 mSDtfsCounter, 2019 mSDsluCounter, 6504 mSDsCounter, 0 mSdLazyCounter, 1426 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2021 SdHoareTripleChecker+Valid, 10276 SdHoareTripleChecker+Invalid, 1429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1426 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:26:29,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2021 Valid, 10276 Invalid, 1429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1426 Invalid, 2 Unknown, 0 Unchecked, 12.4s Time] [2022-11-23 15:26:29,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7329 states. [2022-11-23 15:26:30,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7329 to 7308. [2022-11-23 15:26:30,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7308 states, 4214 states have (on average 1.2133364973896534) internal successors, (5113), 4363 states have internal predecessors, (5113), 2364 states have call successors, (2364), 714 states have call predecessors, (2364), 713 states have return successors, (2381), 2331 states have call predecessors, (2381), 2362 states have call successors, (2381) [2022-11-23 15:26:30,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7308 states to 7308 states and 9858 transitions. [2022-11-23 15:26:30,110 INFO L78 Accepts]: Start accepts. Automaton has 7308 states and 9858 transitions. Word has length 139 [2022-11-23 15:26:30,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:26:30,110 INFO L495 AbstractCegarLoop]: Abstraction has 7308 states and 9858 transitions. [2022-11-23 15:26:30,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-23 15:26:30,110 INFO L276 IsEmpty]: Start isEmpty. Operand 7308 states and 9858 transitions. [2022-11-23 15:26:30,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-11-23 15:26:30,113 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:26:30,114 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:26:30,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-23 15:26:30,114 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:26:30,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:26:30,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1731995513, now seen corresponding path program 1 times [2022-11-23 15:26:30,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:26:30,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012882249] [2022-11-23 15:26:30,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:26:30,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:26:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:26:32,640 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2022-11-23 15:26:32,640 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:26:32,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012882249] [2022-11-23 15:26:32,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012882249] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:26:32,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:26:32,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:26:32,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266399185] [2022-11-23 15:26:32,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:26:32,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:26:32,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:26:32,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:26:32,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:26:32,643 INFO L87 Difference]: Start difference. First operand 7308 states and 9858 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-23 15:26:34,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:26:37,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:26:39,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:26:41,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:26:45,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:26:45,950 INFO L93 Difference]: Finished difference Result 11695 states and 15803 transitions. [2022-11-23 15:26:45,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:26:45,950 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) Word has length 161 [2022-11-23 15:26:45,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:26:45,973 INFO L225 Difference]: With dead ends: 11695 [2022-11-23 15:26:45,973 INFO L226 Difference]: Without dead ends: 7320 [2022-11-23 15:26:45,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:26:45,987 INFO L413 NwaCegarLoop]: 2759 mSDtfsCounter, 0 mSDsluCounter, 8268 mSDsCounter, 0 mSdLazyCounter, 1583 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11027 SdHoareTripleChecker+Invalid, 1585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1583 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:26:45,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11027 Invalid, 1585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1583 Invalid, 2 Unknown, 0 Unchecked, 12.3s Time] [2022-11-23 15:26:45,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7320 states. [2022-11-23 15:26:46,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7320 to 7312. [2022-11-23 15:26:46,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7312 states, 4217 states have (on average 1.213184728479962) internal successors, (5116), 4366 states have internal predecessors, (5116), 2364 states have call successors, (2364), 714 states have call predecessors, (2364), 714 states have return successors, (2384), 2332 states have call predecessors, (2384), 2362 states have call successors, (2384) [2022-11-23 15:26:46,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7312 states to 7312 states and 9864 transitions. [2022-11-23 15:26:46,841 INFO L78 Accepts]: Start accepts. Automaton has 7312 states and 9864 transitions. Word has length 161 [2022-11-23 15:26:46,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:26:46,841 INFO L495 AbstractCegarLoop]: Abstraction has 7312 states and 9864 transitions. [2022-11-23 15:26:46,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 3 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-23 15:26:46,841 INFO L276 IsEmpty]: Start isEmpty. Operand 7312 states and 9864 transitions. [2022-11-23 15:26:46,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-23 15:26:46,843 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:26:46,843 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:26:46,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-23 15:26:46,844 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:26:46,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:26:46,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1895994226, now seen corresponding path program 1 times [2022-11-23 15:26:46,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:26:46,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202891720] [2022-11-23 15:26:46,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:26:46,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:26:46,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:26:47,301 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:26:47,301 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:26:47,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202891720] [2022-11-23 15:26:47,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202891720] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:26:47,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:26:47,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:26:47,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092386435] [2022-11-23 15:26:47,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:26:47,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:26:47,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:26:47,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:26:47,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:26:47,304 INFO L87 Difference]: Start difference. First operand 7312 states and 9864 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-23 15:26:50,354 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 [] [2022-11-23 15:26:53,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:26:56,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:26:56,185 INFO L93 Difference]: Finished difference Result 7312 states and 9864 transitions. [2022-11-23 15:26:56,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:26:56,186 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 144 [2022-11-23 15:26:56,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:26:56,208 INFO L225 Difference]: With dead ends: 7312 [2022-11-23 15:26:56,209 INFO L226 Difference]: Without dead ends: 7155 [2022-11-23 15:26:56,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:26:56,213 INFO L413 NwaCegarLoop]: 2757 mSDtfsCounter, 3113 mSDsluCounter, 2757 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3113 SdHoareTripleChecker+Valid, 5514 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:26:56,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3113 Valid, 5514 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2022-11-23 15:26:56,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7155 states. [2022-11-23 15:26:57,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7155 to 7155. [2022-11-23 15:26:57,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7155 states, 4136 states have (on average 1.2156673114119922) internal successors, (5028), 4281 states have internal predecessors, (5028), 2311 states have call successors, (2311), 693 states have call predecessors, (2311), 692 states have return successors, (2329), 2281 states have call predecessors, (2329), 2307 states have call successors, (2329) [2022-11-23 15:26:57,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7155 states to 7155 states and 9668 transitions. [2022-11-23 15:26:57,127 INFO L78 Accepts]: Start accepts. Automaton has 7155 states and 9668 transitions. Word has length 144 [2022-11-23 15:26:57,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:26:57,127 INFO L495 AbstractCegarLoop]: Abstraction has 7155 states and 9668 transitions. [2022-11-23 15:26:57,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-23 15:26:57,128 INFO L276 IsEmpty]: Start isEmpty. Operand 7155 states and 9668 transitions. [2022-11-23 15:26:57,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-11-23 15:26:57,130 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:26:57,130 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:26:57,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-23 15:26:57,131 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:26:57,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:26:57,131 INFO L85 PathProgramCache]: Analyzing trace with hash -332444717, now seen corresponding path program 1 times [2022-11-23 15:26:57,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:26:57,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350231400] [2022-11-23 15:26:57,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:26:57,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:26:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:26:58,020 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2022-11-23 15:26:58,020 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:26:58,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350231400] [2022-11-23 15:26:58,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350231400] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:26:58,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460624420] [2022-11-23 15:26:58,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:26:58,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:26:58,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:26:58,023 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:26:58,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 15:26:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:26:59,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 3566 conjuncts, 40 conjunts are in the unsatisfiable core [2022-11-23 15:26:59,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:26:59,895 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2022-11-23 15:26:59,895 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:26:59,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1460624420] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:26:59,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:26:59,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [8] total 18 [2022-11-23 15:26:59,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841163331] [2022-11-23 15:26:59,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:26:59,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 15:26:59,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:26:59,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 15:26:59,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=271, Unknown=0, NotChecked=0, Total=306 [2022-11-23 15:26:59,898 INFO L87 Difference]: Start difference. First operand 7155 states and 9668 transitions. Second operand has 12 states, 9 states have (on average 7.555555555555555) internal successors, (68), 11 states have internal predecessors, (68), 7 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (28), 7 states have call predecessors, (28), 7 states have call successors, (28) [2022-11-23 15:27:02,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:27:06,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:27:08,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:27:10,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:27:11,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:27:13,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:27:14,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:27:18,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:27:21,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:27:24,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:27:32,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:27:34,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:27:36,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:27:48,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:27:50,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:27:50,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:27:50,964 INFO L93 Difference]: Finished difference Result 14544 states and 20369 transitions. [2022-11-23 15:27:50,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-23 15:27:50,964 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 7.555555555555555) internal successors, (68), 11 states have internal predecessors, (68), 7 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (28), 7 states have call predecessors, (28), 7 states have call successors, (28) Word has length 171 [2022-11-23 15:27:50,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:27:50,989 INFO L225 Difference]: With dead ends: 14544 [2022-11-23 15:27:50,990 INFO L226 Difference]: Without dead ends: 7471 [2022-11-23 15:27:51,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=108, Invalid=648, Unknown=0, NotChecked=0, Total=756 [2022-11-23 15:27:51,012 INFO L413 NwaCegarLoop]: 4425 mSDtfsCounter, 3809 mSDsluCounter, 40418 mSDsCounter, 0 mSdLazyCounter, 6068 mSolverCounterSat, 2155 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4278 SdHoareTripleChecker+Valid, 44843 SdHoareTripleChecker+Invalid, 8227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2155 IncrementalHoareTripleChecker+Valid, 6068 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:27:51,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4278 Valid, 44843 Invalid, 8227 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2155 Valid, 6068 Invalid, 4 Unknown, 0 Unchecked, 49.2s Time] [2022-11-23 15:27:51,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7471 states. [2022-11-23 15:27:51,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7471 to 4485. [2022-11-23 15:27:51,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4485 states, 2595 states have (on average 1.2184971098265895) internal successors, (3162), 2693 states have internal predecessors, (3162), 1440 states have call successors, (1440), 433 states have call predecessors, (1440), 434 states have return successors, (1460), 1419 states have call predecessors, (1460), 1438 states have call successors, (1460) [2022-11-23 15:27:51,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4485 states to 4485 states and 6062 transitions. [2022-11-23 15:27:51,543 INFO L78 Accepts]: Start accepts. Automaton has 4485 states and 6062 transitions. Word has length 171 [2022-11-23 15:27:51,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:27:51,543 INFO L495 AbstractCegarLoop]: Abstraction has 4485 states and 6062 transitions. [2022-11-23 15:27:51,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 7.555555555555555) internal successors, (68), 11 states have internal predecessors, (68), 7 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (28), 7 states have call predecessors, (28), 7 states have call successors, (28) [2022-11-23 15:27:51,544 INFO L276 IsEmpty]: Start isEmpty. Operand 4485 states and 6062 transitions. [2022-11-23 15:27:51,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-11-23 15:27:51,545 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:27:51,545 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:27:51,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 15:27:51,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:27:51,746 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:27:51,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:27:51,746 INFO L85 PathProgramCache]: Analyzing trace with hash -546997023, now seen corresponding path program 1 times [2022-11-23 15:27:51,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:27:51,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697979893] [2022-11-23 15:27:51,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:27:51,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:27:51,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:27:52,121 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-11-23 15:27:52,122 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:27:52,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697979893] [2022-11-23 15:27:52,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697979893] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:27:52,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662058677] [2022-11-23 15:27:52,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:27:52,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:27:52,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:27:52,124 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:27:52,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 15:27:53,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:27:53,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 4102 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 15:27:53,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:27:54,186 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2022-11-23 15:27:54,187 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:27:54,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [662058677] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:27:54,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:27:54,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-11-23 15:27:54,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548263770] [2022-11-23 15:27:54,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:27:54,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:27:54,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:27:54,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:27:54,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-23 15:27:54,189 INFO L87 Difference]: Start difference. First operand 4485 states and 6062 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-23 15:27:58,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:27:58,165 INFO L93 Difference]: Finished difference Result 8854 states and 11981 transitions. [2022-11-23 15:27:58,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:27:58,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 173 [2022-11-23 15:27:58,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:27:58,179 INFO L225 Difference]: With dead ends: 8854 [2022-11-23 15:27:58,179 INFO L226 Difference]: Without dead ends: 4479 [2022-11-23 15:27:58,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-23 15:27:58,189 INFO L413 NwaCegarLoop]: 2742 mSDtfsCounter, 3052 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3052 SdHoareTripleChecker+Valid, 2742 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:27:58,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3052 Valid, 2742 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-23 15:27:58,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4479 states. [2022-11-23 15:27:58,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4479 to 4477. [2022-11-23 15:27:58,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4477 states, 2588 states have (on average 1.2175425038639875) internal successors, (3151), 2686 states have internal predecessors, (3151), 1440 states have call successors, (1440), 433 states have call predecessors, (1440), 434 states have return successors, (1460), 1418 states have call predecessors, (1460), 1438 states have call successors, (1460) [2022-11-23 15:27:58,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4477 states to 4477 states and 6051 transitions. [2022-11-23 15:27:58,640 INFO L78 Accepts]: Start accepts. Automaton has 4477 states and 6051 transitions. Word has length 173 [2022-11-23 15:27:58,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:27:58,641 INFO L495 AbstractCegarLoop]: Abstraction has 4477 states and 6051 transitions. [2022-11-23 15:27:58,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-23 15:27:58,641 INFO L276 IsEmpty]: Start isEmpty. Operand 4477 states and 6051 transitions. [2022-11-23 15:27:58,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-11-23 15:27:58,643 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:27:58,643 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:27:58,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-23 15:27:58,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-11-23 15:27:58,858 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:27:58,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:27:58,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1109260582, now seen corresponding path program 1 times [2022-11-23 15:27:58,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:27:58,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437953523] [2022-11-23 15:27:58,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:27:58,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:27:59,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:28:03,852 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2022-11-23 15:28:03,852 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:28:03,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437953523] [2022-11-23 15:28:03,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437953523] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:28:03,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:28:03,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 15:28:03,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894722398] [2022-11-23 15:28:03,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:28:03,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 15:28:03,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:28:03,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 15:28:03,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:28:03,854 INFO L87 Difference]: Start difference. First operand 4477 states and 6051 transitions. Second operand has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 8 states have internal predecessors, (62), 4 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 5 states have call predecessors, (25), 4 states have call successors, (25) [2022-11-23 15:28:06,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:28:08,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:28:23,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:28:23,119 INFO L93 Difference]: Finished difference Result 8796 states and 11925 transitions. [2022-11-23 15:28:23,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-23 15:28:23,120 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 8 states have internal predecessors, (62), 4 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 5 states have call predecessors, (25), 4 states have call successors, (25) Word has length 174 [2022-11-23 15:28:23,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:28:23,156 INFO L225 Difference]: With dead ends: 8796 [2022-11-23 15:28:23,156 INFO L226 Difference]: Without dead ends: 8794 [2022-11-23 15:28:23,161 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2022-11-23 15:28:23,161 INFO L413 NwaCegarLoop]: 3699 mSDtfsCounter, 3156 mSDsluCounter, 20779 mSDsCounter, 0 mSdLazyCounter, 6676 mSolverCounterSat, 12 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3174 SdHoareTripleChecker+Valid, 24478 SdHoareTripleChecker+Invalid, 6690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 6676 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:28:23,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3174 Valid, 24478 Invalid, 6690 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12 Valid, 6676 Invalid, 2 Unknown, 0 Unchecked, 17.6s Time] [2022-11-23 15:28:23,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8794 states. [2022-11-23 15:28:24,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8794 to 8632. [2022-11-23 15:28:24,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8632 states, 5003 states have (on average 1.2208674795122927) internal successors, (6108), 5179 states have internal predecessors, (6108), 2791 states have call successors, (2791), 826 states have call predecessors, (2791), 823 states have return successors, (2838), 2744 states have call predecessors, (2838), 2789 states have call successors, (2838) [2022-11-23 15:28:24,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8632 states to 8632 states and 11737 transitions. [2022-11-23 15:28:24,219 INFO L78 Accepts]: Start accepts. Automaton has 8632 states and 11737 transitions. Word has length 174 [2022-11-23 15:28:24,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:28:24,219 INFO L495 AbstractCegarLoop]: Abstraction has 8632 states and 11737 transitions. [2022-11-23 15:28:24,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 8 states have internal predecessors, (62), 4 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 5 states have call predecessors, (25), 4 states have call successors, (25) [2022-11-23 15:28:24,219 INFO L276 IsEmpty]: Start isEmpty. Operand 8632 states and 11737 transitions. [2022-11-23 15:28:24,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-11-23 15:28:24,222 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:28:24,222 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:28:24,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-23 15:28:24,223 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:28:24,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:28:24,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1301706462, now seen corresponding path program 1 times [2022-11-23 15:28:24,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:28:24,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842024767] [2022-11-23 15:28:24,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:28:24,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:28:24,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:28:25,882 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2022-11-23 15:28:25,882 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:28:25,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842024767] [2022-11-23 15:28:25,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842024767] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:28:25,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:28:25,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 15:28:25,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795937398] [2022-11-23 15:28:25,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:28:25,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:28:25,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:28:25,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:28:25,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:28:25,884 INFO L87 Difference]: Start difference. First operand 8632 states and 11737 transitions. Second operand has 6 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-23 15:28:28,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:28:30,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:28:32,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:28:41,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:28:41,013 INFO L93 Difference]: Finished difference Result 9026 states and 12177 transitions. [2022-11-23 15:28:41,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:28:41,014 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) Word has length 187 [2022-11-23 15:28:41,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:28:41,047 INFO L225 Difference]: With dead ends: 9026 [2022-11-23 15:28:41,047 INFO L226 Difference]: Without dead ends: 9024 [2022-11-23 15:28:41,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:28:41,054 INFO L413 NwaCegarLoop]: 2769 mSDtfsCounter, 2999 mSDsluCounter, 7005 mSDsCounter, 0 mSdLazyCounter, 3079 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3006 SdHoareTripleChecker+Valid, 9774 SdHoareTripleChecker+Invalid, 3081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3079 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:28:41,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3006 Valid, 9774 Invalid, 3081 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3079 Invalid, 1 Unknown, 0 Unchecked, 13.7s Time] [2022-11-23 15:28:41,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9024 states. [2022-11-23 15:28:42,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9024 to 9024. [2022-11-23 15:28:42,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9024 states, 5228 states have (on average 1.2182478959449121) internal successors, (6369), 5403 states have internal predecessors, (6369), 2877 states have call successors, (2877), 908 states have call predecessors, (2877), 905 states have return successors, (2924), 2830 states have call predecessors, (2924), 2875 states have call successors, (2924) [2022-11-23 15:28:42,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9024 states to 9024 states and 12170 transitions. [2022-11-23 15:28:42,172 INFO L78 Accepts]: Start accepts. Automaton has 9024 states and 12170 transitions. Word has length 187 [2022-11-23 15:28:42,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:28:42,173 INFO L495 AbstractCegarLoop]: Abstraction has 9024 states and 12170 transitions. [2022-11-23 15:28:42,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-23 15:28:42,174 INFO L276 IsEmpty]: Start isEmpty. Operand 9024 states and 12170 transitions. [2022-11-23 15:28:42,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-11-23 15:28:42,176 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:28:42,177 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:28:42,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-23 15:28:42,177 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:28:42,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:28:42,178 INFO L85 PathProgramCache]: Analyzing trace with hash 33418992, now seen corresponding path program 1 times [2022-11-23 15:28:42,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:28:42,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90540994] [2022-11-23 15:28:42,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:28:42,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:28:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:28:42,642 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2022-11-23 15:28:42,642 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:28:42,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90540994] [2022-11-23 15:28:42,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90540994] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:28:42,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:28:42,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:28:42,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29053093] [2022-11-23 15:28:42,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:28:42,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:28:42,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:28:42,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:28:42,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:28:42,645 INFO L87 Difference]: Start difference. First operand 9024 states and 12170 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-23 15:28:44,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:28:47,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:28:47,864 INFO L93 Difference]: Finished difference Result 17438 states and 23611 transitions. [2022-11-23 15:28:47,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:28:47,865 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 190 [2022-11-23 15:28:47,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:28:47,900 INFO L225 Difference]: With dead ends: 17438 [2022-11-23 15:28:47,901 INFO L226 Difference]: Without dead ends: 9010 [2022-11-23 15:28:47,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:28:47,930 INFO L413 NwaCegarLoop]: 2734 mSDtfsCounter, 3059 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3059 SdHoareTripleChecker+Valid, 2734 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:28:47,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3059 Valid, 2734 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 394 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2022-11-23 15:28:47,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9010 states. [2022-11-23 15:28:49,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9010 to 9010. [2022-11-23 15:28:49,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9010 states, 5215 states have (on average 1.216490891658677) internal successors, (6344), 5389 states have internal predecessors, (6344), 2877 states have call successors, (2877), 908 states have call predecessors, (2877), 905 states have return successors, (2924), 2830 states have call predecessors, (2924), 2875 states have call successors, (2924) [2022-11-23 15:28:49,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9010 states to 9010 states and 12145 transitions. [2022-11-23 15:28:49,159 INFO L78 Accepts]: Start accepts. Automaton has 9010 states and 12145 transitions. Word has length 190 [2022-11-23 15:28:49,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:28:49,159 INFO L495 AbstractCegarLoop]: Abstraction has 9010 states and 12145 transitions. [2022-11-23 15:28:49,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-23 15:28:49,160 INFO L276 IsEmpty]: Start isEmpty. Operand 9010 states and 12145 transitions. [2022-11-23 15:28:49,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-11-23 15:28:49,169 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:28:49,169 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:28:49,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-23 15:28:49,170 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:28:49,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:28:49,171 INFO L85 PathProgramCache]: Analyzing trace with hash 321536230, now seen corresponding path program 1 times [2022-11-23 15:28:49,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:28:49,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240800673] [2022-11-23 15:28:49,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:28:49,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:28:50,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:28:51,384 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2022-11-23 15:28:51,384 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:28:51,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240800673] [2022-11-23 15:28:51,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240800673] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:28:51,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:28:51,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 15:28:51,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850230173] [2022-11-23 15:28:51,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:28:51,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:28:51,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:28:51,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:28:51,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:28:51,386 INFO L87 Difference]: Start difference. First operand 9010 states and 12145 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (39), 3 states have call predecessors, (39), 2 states have call successors, (39) [2022-11-23 15:28:53,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:28:55,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:28:57,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:28:59,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:29:01,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:29:08,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:29:08,033 INFO L93 Difference]: Finished difference Result 9326 states and 12524 transitions. [2022-11-23 15:29:08,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 15:29:08,034 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (39), 3 states have call predecessors, (39), 2 states have call successors, (39) Word has length 237 [2022-11-23 15:29:08,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:29:08,064 INFO L225 Difference]: With dead ends: 9326 [2022-11-23 15:29:08,064 INFO L226 Difference]: Without dead ends: 9324 [2022-11-23 15:29:08,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:29:08,069 INFO L413 NwaCegarLoop]: 2812 mSDtfsCounter, 260 mSDsluCounter, 10963 mSDsCounter, 0 mSdLazyCounter, 2152 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 13775 SdHoareTripleChecker+Invalid, 2156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2152 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:29:08,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 13775 Invalid, 2156 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2152 Invalid, 3 Unknown, 0 Unchecked, 15.2s Time] [2022-11-23 15:29:08,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9324 states. [2022-11-23 15:29:09,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9324 to 9187. [2022-11-23 15:29:09,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9187 states, 5313 states have (on average 1.214756258234519) internal successors, (6454), 5492 states have internal predecessors, (6454), 2928 states have call successors, (2928), 935 states have call predecessors, (2928), 933 states have return successors, (2976), 2878 states have call predecessors, (2976), 2926 states have call successors, (2976) [2022-11-23 15:29:09,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9187 states to 9187 states and 12358 transitions. [2022-11-23 15:29:09,056 INFO L78 Accepts]: Start accepts. Automaton has 9187 states and 12358 transitions. Word has length 237 [2022-11-23 15:29:09,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:29:09,056 INFO L495 AbstractCegarLoop]: Abstraction has 9187 states and 12358 transitions. [2022-11-23 15:29:09,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (39), 3 states have call predecessors, (39), 2 states have call successors, (39) [2022-11-23 15:29:09,057 INFO L276 IsEmpty]: Start isEmpty. Operand 9187 states and 12358 transitions. [2022-11-23 15:29:09,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-11-23 15:29:09,060 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:29:09,060 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 8, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:29:09,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-23 15:29:09,060 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:29:09,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:29:09,061 INFO L85 PathProgramCache]: Analyzing trace with hash 549424839, now seen corresponding path program 1 times [2022-11-23 15:29:09,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:29:09,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741040849] [2022-11-23 15:29:09,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:29:09,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:29:09,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:29:13,332 INFO L134 CoverageAnalysis]: Checked inductivity of 509 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2022-11-23 15:29:13,333 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:29:13,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741040849] [2022-11-23 15:29:13,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741040849] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:29:13,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:29:13,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 15:29:13,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642844003] [2022-11-23 15:29:13,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:29:13,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 15:29:13,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:29:13,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 15:29:13,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:29:13,335 INFO L87 Difference]: Start difference. First operand 9187 states and 12358 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 3 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (42), 4 states have call predecessors, (42), 3 states have call successors, (42) [2022-11-23 15:29:16,631 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 [] [2022-11-23 15:29:18,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:29:20,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:29:22,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:29:28,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:29:35,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:29:35,452 INFO L93 Difference]: Finished difference Result 9506 states and 12741 transitions. [2022-11-23 15:29:35,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 15:29:35,452 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 3 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (42), 4 states have call predecessors, (42), 3 states have call successors, (42) Word has length 250 [2022-11-23 15:29:35,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:29:35,477 INFO L225 Difference]: With dead ends: 9506 [2022-11-23 15:29:35,477 INFO L226 Difference]: Without dead ends: 9504 [2022-11-23 15:29:35,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:29:35,482 INFO L413 NwaCegarLoop]: 2815 mSDtfsCounter, 422 mSDsluCounter, 13767 mSDsCounter, 0 mSdLazyCounter, 2592 mSolverCounterSat, 180 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 16582 SdHoareTripleChecker+Invalid, 2777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 2592 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:29:35,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [425 Valid, 16582 Invalid, 2777 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [180 Valid, 2592 Invalid, 5 Unknown, 0 Unchecked, 20.8s Time] [2022-11-23 15:29:35,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9504 states. [2022-11-23 15:29:36,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9504 to 9189. [2022-11-23 15:29:36,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9189 states, 5315 states have (on average 1.2148635936030103) internal successors, (6457), 5493 states have internal predecessors, (6457), 2928 states have call successors, (2928), 935 states have call predecessors, (2928), 933 states have return successors, (2976), 2879 states have call predecessors, (2976), 2926 states have call successors, (2976) [2022-11-23 15:29:36,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9189 states to 9189 states and 12361 transitions. [2022-11-23 15:29:36,468 INFO L78 Accepts]: Start accepts. Automaton has 9189 states and 12361 transitions. Word has length 250 [2022-11-23 15:29:36,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:29:36,469 INFO L495 AbstractCegarLoop]: Abstraction has 9189 states and 12361 transitions. [2022-11-23 15:29:36,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 states have internal predecessors, (80), 3 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (42), 4 states have call predecessors, (42), 3 states have call successors, (42) [2022-11-23 15:29:36,469 INFO L276 IsEmpty]: Start isEmpty. Operand 9189 states and 12361 transitions. [2022-11-23 15:29:36,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-11-23 15:29:36,472 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:29:36,472 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:29:36,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-11-23 15:29:36,473 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:29:36,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:29:36,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1667966723, now seen corresponding path program 1 times [2022-11-23 15:29:36,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:29:36,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4754068] [2022-11-23 15:29:36,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:29:36,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:29:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:29:37,094 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2022-11-23 15:29:37,095 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:29:37,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4754068] [2022-11-23 15:29:37,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4754068] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:29:37,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:29:37,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:29:37,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52114881] [2022-11-23 15:29:37,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:29:37,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:29:37,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:29:37,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:29:37,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:29:37,097 INFO L87 Difference]: Start difference. First operand 9189 states and 12361 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-23 15:29:40,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:29:41,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:29:45,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:29:45,228 INFO L93 Difference]: Finished difference Result 9189 states and 12361 transitions. [2022-11-23 15:29:45,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:29:45,229 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 252 [2022-11-23 15:29:45,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:29:45,255 INFO L225 Difference]: With dead ends: 9189 [2022-11-23 15:29:45,255 INFO L226 Difference]: Without dead ends: 9187 [2022-11-23 15:29:45,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:29:45,260 INFO L413 NwaCegarLoop]: 2732 mSDtfsCounter, 3042 mSDsluCounter, 2732 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3044 SdHoareTripleChecker+Valid, 5464 SdHoareTripleChecker+Invalid, 787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:29:45,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3044 Valid, 5464 Invalid, 787 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 786 Invalid, 1 Unknown, 0 Unchecked, 6.8s Time] [2022-11-23 15:29:45,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9187 states. [2022-11-23 15:29:46,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9187 to 9187. [2022-11-23 15:29:46,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9187 states, 5314 states have (on average 1.2147158449378999) internal successors, (6455), 5491 states have internal predecessors, (6455), 2928 states have call successors, (2928), 935 states have call predecessors, (2928), 933 states have return successors, (2976), 2879 states have call predecessors, (2976), 2926 states have call successors, (2976) [2022-11-23 15:29:46,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9187 states to 9187 states and 12359 transitions. [2022-11-23 15:29:46,516 INFO L78 Accepts]: Start accepts. Automaton has 9187 states and 12359 transitions. Word has length 252 [2022-11-23 15:29:46,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:29:46,517 INFO L495 AbstractCegarLoop]: Abstraction has 9187 states and 12359 transitions. [2022-11-23 15:29:46,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-23 15:29:46,517 INFO L276 IsEmpty]: Start isEmpty. Operand 9187 states and 12359 transitions. [2022-11-23 15:29:46,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-11-23 15:29:46,520 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:29:46,520 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:29:46,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-11-23 15:29:46,520 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting igbvf_configureErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:29:46,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:29:46,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1656008897, now seen corresponding path program 1 times [2022-11-23 15:29:46,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:29:46,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703196829] [2022-11-23 15:29:46,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:29:46,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:29:47,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:29:49,303 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2022-11-23 15:29:49,304 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:29:49,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703196829] [2022-11-23 15:29:49,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703196829] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:29:49,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:29:49,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:29:49,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662366966] [2022-11-23 15:29:49,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:29:49,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:29:49,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:29:49,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:29:49,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:29:49,307 INFO L87 Difference]: Start difference. First operand 9187 states and 12359 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-11-23 15:29:51,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:29:53,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:29:55,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:29:57,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:30:02,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:30:02,841 INFO L93 Difference]: Finished difference Result 9535 states and 12885 transitions. [2022-11-23 15:30:02,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:30:02,842 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 274 [2022-11-23 15:30:02,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:30:02,867 INFO L225 Difference]: With dead ends: 9535 [2022-11-23 15:30:02,867 INFO L226 Difference]: Without dead ends: 9533 [2022-11-23 15:30:02,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:30:02,873 INFO L413 NwaCegarLoop]: 2808 mSDtfsCounter, 68 mSDsluCounter, 8302 mSDsCounter, 0 mSdLazyCounter, 1592 mSolverCounterSat, 63 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 11110 SdHoareTripleChecker+Invalid, 1658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1592 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:30:02,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 11110 Invalid, 1658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1592 Invalid, 3 Unknown, 0 Unchecked, 12.1s Time] [2022-11-23 15:30:02,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9533 states. [2022-11-23 15:30:04,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9533 to 9185. [2022-11-23 15:30:04,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9185 states, 5313 states have (on average 1.2136269527573875) internal successors, (6448), 5489 states have internal predecessors, (6448), 2928 states have call successors, (2928), 935 states have call predecessors, (2928), 933 states have return successors, (2976), 2879 states have call predecessors, (2976), 2926 states have call successors, (2976) [2022-11-23 15:30:04,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9185 states to 9185 states and 12352 transitions. [2022-11-23 15:30:04,062 INFO L78 Accepts]: Start accepts. Automaton has 9185 states and 12352 transitions. Word has length 274 [2022-11-23 15:30:04,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:30:04,063 INFO L495 AbstractCegarLoop]: Abstraction has 9185 states and 12352 transitions. [2022-11-23 15:30:04,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-11-23 15:30:04,063 INFO L276 IsEmpty]: Start isEmpty. Operand 9185 states and 12352 transitions. [2022-11-23 15:30:04,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2022-11-23 15:30:04,069 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:30:04,069 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:30:04,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-11-23 15:30:04,069 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:30:04,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:30:04,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1413420985, now seen corresponding path program 1 times [2022-11-23 15:30:04,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:30:04,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74310165] [2022-11-23 15:30:04,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:30:04,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:30:04,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:30:04,580 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2022-11-23 15:30:04,580 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:30:04,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74310165] [2022-11-23 15:30:04,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74310165] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:30:04,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:30:04,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:30:04,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163037312] [2022-11-23 15:30:04,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:30:04,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:30:04,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:30:04,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:30:04,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:30:04,583 INFO L87 Difference]: Start difference. First operand 9185 states and 12352 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-11-23 15:30:08,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:30:11,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:30:11,710 INFO L93 Difference]: Finished difference Result 9187 states and 12359 transitions. [2022-11-23 15:30:11,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:30:11,710 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 267 [2022-11-23 15:30:11,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:30:11,733 INFO L225 Difference]: With dead ends: 9187 [2022-11-23 15:30:11,733 INFO L226 Difference]: Without dead ends: 9185 [2022-11-23 15:30:11,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:30:11,737 INFO L413 NwaCegarLoop]: 2729 mSDtfsCounter, 3033 mSDsluCounter, 2729 mSDsCounter, 0 mSdLazyCounter, 788 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3048 SdHoareTripleChecker+Valid, 5458 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 788 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:30:11,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3048 Valid, 5458 Invalid, 789 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 788 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2022-11-23 15:30:11,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9185 states. [2022-11-23 15:30:12,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9185 to 9185. [2022-11-23 15:30:12,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9185 states, 5313 states have (on average 1.2134387351778657) internal successors, (6447), 5489 states have internal predecessors, (6447), 2928 states have call successors, (2928), 935 states have call predecessors, (2928), 934 states have return successors, (2982), 2879 states have call predecessors, (2982), 2926 states have call successors, (2982) [2022-11-23 15:30:12,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9185 states to 9185 states and 12357 transitions. [2022-11-23 15:30:12,778 INFO L78 Accepts]: Start accepts. Automaton has 9185 states and 12357 transitions. Word has length 267 [2022-11-23 15:30:12,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:30:12,778 INFO L495 AbstractCegarLoop]: Abstraction has 9185 states and 12357 transitions. [2022-11-23 15:30:12,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-11-23 15:30:12,779 INFO L276 IsEmpty]: Start isEmpty. Operand 9185 states and 12357 transitions. [2022-11-23 15:30:12,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2022-11-23 15:30:12,785 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:30:12,785 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 8, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:30:12,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-11-23 15:30:12,785 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:30:12,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:30:12,786 INFO L85 PathProgramCache]: Analyzing trace with hash -452171189, now seen corresponding path program 1 times [2022-11-23 15:30:12,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:30:12,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154792622] [2022-11-23 15:30:12,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:30:12,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:30:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:30:13,571 INFO L134 CoverageAnalysis]: Checked inductivity of 509 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2022-11-23 15:30:13,571 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:30:13,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154792622] [2022-11-23 15:30:13,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154792622] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:30:13,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:30:13,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 15:30:13,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206831628] [2022-11-23 15:30:13,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:30:13,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:30:13,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:30:13,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:30:13,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:30:13,573 INFO L87 Difference]: Start difference. First operand 9185 states and 12357 transitions. Second operand has 6 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (45), 3 states have call predecessors, (45), 2 states have call successors, (45) [2022-11-23 15:30:15,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:30:17,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:30:19,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:30:21,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:30:22,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:30:24,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:30:26,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:30:27,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:30:34,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:30:34,923 INFO L93 Difference]: Finished difference Result 14853 states and 20313 transitions. [2022-11-23 15:30:34,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:30:34,924 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (45), 3 states have call predecessors, (45), 2 states have call successors, (45) Word has length 268 [2022-11-23 15:30:34,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:30:34,955 INFO L225 Difference]: With dead ends: 14853 [2022-11-23 15:30:34,955 INFO L226 Difference]: Without dead ends: 10299 [2022-11-23 15:30:34,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:30:34,968 INFO L413 NwaCegarLoop]: 3555 mSDtfsCounter, 525 mSDsluCounter, 13485 mSDsCounter, 0 mSdLazyCounter, 2453 mSolverCounterSat, 10 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 819 SdHoareTripleChecker+Valid, 17040 SdHoareTripleChecker+Invalid, 2467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2453 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:30:34,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [819 Valid, 17040 Invalid, 2467 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 2453 Invalid, 4 Unknown, 0 Unchecked, 19.6s Time] [2022-11-23 15:30:34,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10299 states. [2022-11-23 15:30:36,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10299 to 9193. [2022-11-23 15:30:36,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9193 states, 5319 states have (on average 1.2131979695431472) internal successors, (6453), 5495 states have internal predecessors, (6453), 2928 states have call successors, (2928), 935 states have call predecessors, (2928), 936 states have return successors, (3006), 2881 states have call predecessors, (3006), 2926 states have call successors, (3006) [2022-11-23 15:30:36,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9193 states to 9193 states and 12387 transitions. [2022-11-23 15:30:36,185 INFO L78 Accepts]: Start accepts. Automaton has 9193 states and 12387 transitions. Word has length 268 [2022-11-23 15:30:36,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:30:36,186 INFO L495 AbstractCegarLoop]: Abstraction has 9193 states and 12387 transitions. [2022-11-23 15:30:36,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (45), 3 states have call predecessors, (45), 2 states have call successors, (45) [2022-11-23 15:30:36,186 INFO L276 IsEmpty]: Start isEmpty. Operand 9193 states and 12387 transitions. [2022-11-23 15:30:36,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-11-23 15:30:36,193 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:30:36,193 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 8, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:30:36,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-11-23 15:30:36,193 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:30:36,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:30:36,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1399813028, now seen corresponding path program 1 times [2022-11-23 15:30:36,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:30:36,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241848428] [2022-11-23 15:30:36,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:30:36,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:30:37,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:30:40,356 INFO L134 CoverageAnalysis]: Checked inductivity of 509 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2022-11-23 15:30:40,357 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:30:40,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241848428] [2022-11-23 15:30:40,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241848428] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:30:40,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:30:40,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-23 15:30:40,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062759659] [2022-11-23 15:30:40,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:30:40,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-23 15:30:40,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:30:40,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-23 15:30:40,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-11-23 15:30:40,361 INFO L87 Difference]: Start difference. First operand 9193 states and 12387 transitions. Second operand has 11 states, 10 states have (on average 9.7) internal successors, (97), 10 states have internal predecessors, (97), 4 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (47), 5 states have call predecessors, (47), 4 states have call successors, (47) [2022-11-23 15:30:42,935 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 [] [2022-11-23 15:30:44,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:30:46,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:30:48,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:30:51,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:30:55,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:31:05,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:31:09,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:31:11,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:31:33,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:31:35,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:31:37,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:31:39,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:31:41,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:31:42,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:31:47,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:32:12,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:32:12,685 INFO L93 Difference]: Finished difference Result 17532 states and 23638 transitions. [2022-11-23 15:32:12,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-23 15:32:12,686 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 9.7) internal successors, (97), 10 states have internal predecessors, (97), 4 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (47), 5 states have call predecessors, (47), 4 states have call successors, (47) Word has length 277 [2022-11-23 15:32:12,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:32:12,735 INFO L225 Difference]: With dead ends: 17532 [2022-11-23 15:32:12,735 INFO L226 Difference]: Without dead ends: 17530 [2022-11-23 15:32:12,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=126, Invalid=474, Unknown=0, NotChecked=0, Total=600 [2022-11-23 15:32:12,742 INFO L413 NwaCegarLoop]: 2016 mSDtfsCounter, 7631 mSDsluCounter, 9405 mSDsCounter, 0 mSdLazyCounter, 37840 mSolverCounterSat, 5047 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 83.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8652 SdHoareTripleChecker+Valid, 11421 SdHoareTripleChecker+Invalid, 42896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 5047 IncrementalHoareTripleChecker+Valid, 37840 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 88.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:32:12,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8652 Valid, 11421 Invalid, 42896 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [5047 Valid, 37840 Invalid, 9 Unknown, 0 Unchecked, 88.0s Time] [2022-11-23 15:32:12,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17530 states. [2022-11-23 15:32:15,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17530 to 17207. [2022-11-23 15:32:15,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17207 states, 9977 states have (on average 1.21659817580435) internal successors, (12138), 10297 states have internal predecessors, (12138), 5480 states have call successors, (5480), 1731 states have call predecessors, (5480), 1740 states have return successors, (5621), 5398 states have call predecessors, (5621), 5478 states have call successors, (5621) [2022-11-23 15:32:15,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17207 states to 17207 states and 23239 transitions. [2022-11-23 15:32:15,092 INFO L78 Accepts]: Start accepts. Automaton has 17207 states and 23239 transitions. Word has length 277 [2022-11-23 15:32:15,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:32:15,092 INFO L495 AbstractCegarLoop]: Abstraction has 17207 states and 23239 transitions. [2022-11-23 15:32:15,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 9.7) internal successors, (97), 10 states have internal predecessors, (97), 4 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (47), 5 states have call predecessors, (47), 4 states have call successors, (47) [2022-11-23 15:32:15,092 INFO L276 IsEmpty]: Start isEmpty. Operand 17207 states and 23239 transitions. [2022-11-23 15:32:15,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2022-11-23 15:32:15,096 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:32:15,096 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:32:15,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-11-23 15:32:15,097 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:32:15,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:32:15,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1773445201, now seen corresponding path program 1 times [2022-11-23 15:32:15,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:32:15,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068296461] [2022-11-23 15:32:15,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:32:15,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:32:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:32:15,638 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2022-11-23 15:32:15,638 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:32:15,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068296461] [2022-11-23 15:32:15,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068296461] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:32:15,639 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:32:15,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:32:15,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259921352] [2022-11-23 15:32:15,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:32:15,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:32:15,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:32:15,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:32:15,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:32:15,640 INFO L87 Difference]: Start difference. First operand 17207 states and 23239 transitions. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-11-23 15:32:17,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:32:19,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:32:24,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:32:24,323 INFO L93 Difference]: Finished difference Result 17207 states and 23239 transitions. [2022-11-23 15:32:24,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:32:24,324 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 289 [2022-11-23 15:32:24,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:32:24,368 INFO L225 Difference]: With dead ends: 17207 [2022-11-23 15:32:24,368 INFO L226 Difference]: Without dead ends: 17205 [2022-11-23 15:32:24,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:32:24,375 INFO L413 NwaCegarLoop]: 2726 mSDtfsCounter, 3029 mSDsluCounter, 2726 mSDsCounter, 0 mSdLazyCounter, 785 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3031 SdHoareTripleChecker+Valid, 5452 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 785 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:32:24,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3031 Valid, 5452 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 785 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2022-11-23 15:32:24,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17205 states. [2022-11-23 15:32:26,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17205 to 17205. [2022-11-23 15:32:26,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17205 states, 9976 states have (on average 1.2165196471531676) internal successors, (12136), 10295 states have internal predecessors, (12136), 5480 states have call successors, (5480), 1731 states have call predecessors, (5480), 1740 states have return successors, (5621), 5398 states have call predecessors, (5621), 5478 states have call successors, (5621) [2022-11-23 15:32:26,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17205 states to 17205 states and 23237 transitions. [2022-11-23 15:32:26,675 INFO L78 Accepts]: Start accepts. Automaton has 17205 states and 23237 transitions. Word has length 289 [2022-11-23 15:32:26,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:32:26,676 INFO L495 AbstractCegarLoop]: Abstraction has 17205 states and 23237 transitions. [2022-11-23 15:32:26,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-11-23 15:32:26,676 INFO L276 IsEmpty]: Start isEmpty. Operand 17205 states and 23237 transitions. [2022-11-23 15:32:26,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2022-11-23 15:32:26,680 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:32:26,681 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:32:26,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-11-23 15:32:26,681 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:32:26,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:32:26,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1059484891, now seen corresponding path program 1 times [2022-11-23 15:32:26,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:32:26,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122645115] [2022-11-23 15:32:26,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:32:26,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:32:26,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:32:27,215 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2022-11-23 15:32:27,215 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:32:27,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122645115] [2022-11-23 15:32:27,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122645115] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:32:27,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:32:27,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:32:27,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358700181] [2022-11-23 15:32:27,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:32:27,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:32:27,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:32:27,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:32:27,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:32:27,217 INFO L87 Difference]: Start difference. First operand 17205 states and 23237 transitions. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-11-23 15:32:28,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:32:30,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:32:35,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:32:35,942 INFO L93 Difference]: Finished difference Result 17205 states and 23237 transitions. [2022-11-23 15:32:35,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:32:35,943 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 299 [2022-11-23 15:32:35,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:32:35,985 INFO L225 Difference]: With dead ends: 17205 [2022-11-23 15:32:35,985 INFO L226 Difference]: Without dead ends: 17203 [2022-11-23 15:32:35,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:32:35,991 INFO L413 NwaCegarLoop]: 2724 mSDtfsCounter, 3025 mSDsluCounter, 2724 mSDsCounter, 0 mSdLazyCounter, 787 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3027 SdHoareTripleChecker+Valid, 5448 SdHoareTripleChecker+Invalid, 787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:32:35,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3027 Valid, 5448 Invalid, 787 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 787 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-11-23 15:32:36,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17203 states. [2022-11-23 15:32:38,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17203 to 17203. [2022-11-23 15:32:38,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17203 states, 9975 states have (on average 1.2164411027568922) internal successors, (12134), 10293 states have internal predecessors, (12134), 5480 states have call successors, (5480), 1731 states have call predecessors, (5480), 1740 states have return successors, (5621), 5398 states have call predecessors, (5621), 5478 states have call successors, (5621) [2022-11-23 15:32:38,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17203 states to 17203 states and 23235 transitions. [2022-11-23 15:32:38,251 INFO L78 Accepts]: Start accepts. Automaton has 17203 states and 23235 transitions. Word has length 299 [2022-11-23 15:32:38,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:32:38,251 INFO L495 AbstractCegarLoop]: Abstraction has 17203 states and 23235 transitions. [2022-11-23 15:32:38,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-11-23 15:32:38,251 INFO L276 IsEmpty]: Start isEmpty. Operand 17203 states and 23235 transitions. [2022-11-23 15:32:38,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-11-23 15:32:38,256 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:32:38,256 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:32:38,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-11-23 15:32:38,257 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:32:38,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:32:38,257 INFO L85 PathProgramCache]: Analyzing trace with hash -2028731109, now seen corresponding path program 1 times [2022-11-23 15:32:38,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:32:38,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895405550] [2022-11-23 15:32:38,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:32:38,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:32:38,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:32:38,852 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2022-11-23 15:32:38,852 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:32:38,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895405550] [2022-11-23 15:32:38,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895405550] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:32:38,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:32:38,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:32:38,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285907544] [2022-11-23 15:32:38,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:32:38,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:32:38,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:32:38,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:32:38,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:32:38,855 INFO L87 Difference]: Start difference. First operand 17203 states and 23235 transitions. Second operand has 4 states, 4 states have (on average 29.25) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-11-23 15:32:40,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:32:42,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:32:44,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:32:49,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:32:49,815 INFO L93 Difference]: Finished difference Result 17207 states and 23249 transitions. [2022-11-23 15:32:49,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:32:49,816 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 304 [2022-11-23 15:32:49,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:32:49,867 INFO L225 Difference]: With dead ends: 17207 [2022-11-23 15:32:49,867 INFO L226 Difference]: Without dead ends: 17205 [2022-11-23 15:32:49,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:32:49,875 INFO L413 NwaCegarLoop]: 2723 mSDtfsCounter, 3020 mSDsluCounter, 2723 mSDsCounter, 0 mSdLazyCounter, 787 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3035 SdHoareTripleChecker+Valid, 5446 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 787 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:32:49,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3035 Valid, 5446 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 787 Invalid, 2 Unknown, 0 Unchecked, 8.0s Time] [2022-11-23 15:32:49,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17205 states. [2022-11-23 15:32:52,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17205 to 17201. [2022-11-23 15:32:52,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17201 states, 9974 states have (on average 1.216362542610788) internal successors, (12132), 10291 states have internal predecessors, (12132), 5480 states have call successors, (5480), 1731 states have call predecessors, (5480), 1740 states have return successors, (5621), 5398 states have call predecessors, (5621), 5478 states have call successors, (5621) [2022-11-23 15:32:52,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17201 states to 17201 states and 23233 transitions. [2022-11-23 15:32:52,341 INFO L78 Accepts]: Start accepts. Automaton has 17201 states and 23233 transitions. Word has length 304 [2022-11-23 15:32:52,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:32:52,341 INFO L495 AbstractCegarLoop]: Abstraction has 17201 states and 23233 transitions. [2022-11-23 15:32:52,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-11-23 15:32:52,342 INFO L276 IsEmpty]: Start isEmpty. Operand 17201 states and 23233 transitions. [2022-11-23 15:32:52,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-11-23 15:32:52,346 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:32:52,347 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 7, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:32:52,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-11-23 15:32:52,347 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:32:52,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:32:52,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1756286437, now seen corresponding path program 1 times [2022-11-23 15:32:52,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:32:52,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496902750] [2022-11-23 15:32:52,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:32:52,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:32:52,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:32:54,060 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 452 trivial. 0 not checked. [2022-11-23 15:32:54,061 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:32:54,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496902750] [2022-11-23 15:32:54,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496902750] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:32:54,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:32:54,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 15:32:54,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240390437] [2022-11-23 15:32:54,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:32:54,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:32:54,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:32:54,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:32:54,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:32:54,065 INFO L87 Difference]: Start difference. First operand 17201 states and 23233 transitions. Second operand has 6 states, 5 states have (on average 23.8) internal successors, (119), 5 states have internal predecessors, (119), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (49), 3 states have call predecessors, (49), 2 states have call successors, (49) [2022-11-23 15:32:55,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:32:57,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:32:59,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:33:01,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:33:04,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:33:06,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:33:16,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:33:16,103 INFO L93 Difference]: Finished difference Result 32944 states and 44580 transitions. [2022-11-23 15:33:16,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:33:16,104 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.8) internal successors, (119), 5 states have internal predecessors, (119), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (49), 3 states have call predecessors, (49), 2 states have call successors, (49) Word has length 338 [2022-11-23 15:33:16,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:33:16,165 INFO L225 Difference]: With dead ends: 32944 [2022-11-23 15:33:16,166 INFO L226 Difference]: Without dead ends: 17183 [2022-11-23 15:33:16,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:33:16,206 INFO L413 NwaCegarLoop]: 2746 mSDtfsCounter, 2945 mSDsluCounter, 6937 mSDsCounter, 0 mSdLazyCounter, 3086 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2950 SdHoareTripleChecker+Valid, 9683 SdHoareTripleChecker+Invalid, 3090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3086 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:33:16,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2950 Valid, 9683 Invalid, 3090 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3086 Invalid, 3 Unknown, 0 Unchecked, 18.7s Time] [2022-11-23 15:33:16,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17183 states. [2022-11-23 15:33:18,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17183 to 17183. [2022-11-23 15:33:18,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17183 states, 9957 states have (on average 1.2151250376619465) internal successors, (12099), 10273 states have internal predecessors, (12099), 5480 states have call successors, (5480), 1731 states have call predecessors, (5480), 1740 states have return successors, (5621), 5398 states have call predecessors, (5621), 5478 states have call successors, (5621) [2022-11-23 15:33:18,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17183 states to 17183 states and 23200 transitions. [2022-11-23 15:33:18,749 INFO L78 Accepts]: Start accepts. Automaton has 17183 states and 23200 transitions. Word has length 338 [2022-11-23 15:33:18,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:33:18,749 INFO L495 AbstractCegarLoop]: Abstraction has 17183 states and 23200 transitions. [2022-11-23 15:33:18,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.8) internal successors, (119), 5 states have internal predecessors, (119), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (49), 3 states have call predecessors, (49), 2 states have call successors, (49) [2022-11-23 15:33:18,749 INFO L276 IsEmpty]: Start isEmpty. Operand 17183 states and 23200 transitions. [2022-11-23 15:33:18,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2022-11-23 15:33:18,755 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:33:18,755 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 7, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:33:18,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-11-23 15:33:18,755 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ldv_check_alloc_nonatomicErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:33:18,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:33:18,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1389324043, now seen corresponding path program 1 times [2022-11-23 15:33:18,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:33:18,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546880768] [2022-11-23 15:33:18,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:33:18,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:33:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:33:19,505 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 452 trivial. 0 not checked. [2022-11-23 15:33:19,505 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:33:19,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546880768] [2022-11-23 15:33:19,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546880768] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:33:19,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:33:19,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:33:19,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391373371] [2022-11-23 15:33:19,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:33:19,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:33:19,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:33:19,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:33:19,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:33:19,507 INFO L87 Difference]: Start difference. First operand 17183 states and 23200 transitions. Second operand has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 2 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-11-23 15:33:21,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:33:28,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:33:28,017 INFO L93 Difference]: Finished difference Result 17183 states and 23200 transitions. [2022-11-23 15:33:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:33:28,017 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 2 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 339 [2022-11-23 15:33:28,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:33:28,076 INFO L225 Difference]: With dead ends: 17183 [2022-11-23 15:33:28,076 INFO L226 Difference]: Without dead ends: 17181 [2022-11-23 15:33:28,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:33:28,082 INFO L413 NwaCegarLoop]: 2714 mSDtfsCounter, 3009 mSDsluCounter, 2714 mSDsCounter, 0 mSdLazyCounter, 787 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3012 SdHoareTripleChecker+Valid, 5428 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 787 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:33:28,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3012 Valid, 5428 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 787 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2022-11-23 15:33:28,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17181 states. [2022-11-23 15:33:30,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17181 to 17181. [2022-11-23 15:33:30,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17181 states, 9956 states have (on average 1.2143431096826034) internal successors, (12090), 10271 states have internal predecessors, (12090), 5480 states have call successors, (5480), 1731 states have call predecessors, (5480), 1740 states have return successors, (5621), 5398 states have call predecessors, (5621), 5478 states have call successors, (5621) [2022-11-23 15:33:30,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17181 states to 17181 states and 23191 transitions. [2022-11-23 15:33:30,419 INFO L78 Accepts]: Start accepts. Automaton has 17181 states and 23191 transitions. Word has length 339 [2022-11-23 15:33:30,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:33:30,420 INFO L495 AbstractCegarLoop]: Abstraction has 17181 states and 23191 transitions. [2022-11-23 15:33:30,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 2 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-11-23 15:33:30,420 INFO L276 IsEmpty]: Start isEmpty. Operand 17181 states and 23191 transitions. [2022-11-23 15:33:30,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2022-11-23 15:33:30,426 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:33:30,426 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 10, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:33:30,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-11-23 15:33:30,426 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-23 15:33:30,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:33:30,427 INFO L85 PathProgramCache]: Analyzing trace with hash -697293621, now seen corresponding path program 1 times [2022-11-23 15:33:30,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:33:30,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373051015] [2022-11-23 15:33:30,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:33:30,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:33:32,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:33:37,210 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2022-11-23 15:33:37,211 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:33:37,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373051015] [2022-11-23 15:33:37,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373051015] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:33:37,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410723468] [2022-11-23 15:33:37,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:33:37,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:33:37,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:33:37,214 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:33:37,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1abe040-505b-473f-b1ff-be3bca3a2ade/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-23 15:34:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:34:00,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 5497 conjuncts, 93 conjunts are in the unsatisfiable core [2022-11-23 15:34:00,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:34:01,764 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 115 proven. 143 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2022-11-23 15:34:01,764 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:34:03,085 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2022-11-23 15:34:03,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410723468] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:34:03,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [499704547] [2022-11-23 15:34:03,122 INFO L159 IcfgInterpreter]: Started Sifa with 144 locations of interest [2022-11-23 15:34:03,123 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:34:03,127 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:34:03,132 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:34:03,133 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:34:10,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-23 15:34:10,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-23 15:34:10,945 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-23 15:34:11,539 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-23 15:34:12,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-23 15:34:13,196 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-23 15:34:13,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16