./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 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/bin/utaipan-7li7fVZpFI/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_0e063d97-d796-47ef-8fa0-793392e40b80/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/bin/utaipan-7li7fVZpFI --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-5e519f3 [2022-11-03 02:48:45,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:48:45,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:48:45,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:48:45,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:48:45,365 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:48:45,367 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:48:45,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:48:45,374 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:48:45,380 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:48:45,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:48:45,383 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:48:45,384 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:48:45,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:48:45,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:48:45,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:48:45,395 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:48:45,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:48:45,398 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:48:45,400 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:48:45,408 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:48:45,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:48:45,411 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:48:45,413 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:48:45,416 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:48:45,420 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:48:45,420 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:48:45,421 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:48:45,423 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:48:45,424 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:48:45,424 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:48:45,426 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:48:45,427 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:48:45,429 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:48:45,430 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:48:45,430 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:48:45,431 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:48:45,431 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:48:45,431 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:48:45,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:48:45,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:48:45,433 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:48:45,470 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:48:45,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:48:45,471 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:48:45,471 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:48:45,472 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:48:45,472 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:48:45,472 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:48:45,473 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:48:45,473 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:48:45,473 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:48:45,473 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:48:45,474 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:48:45,474 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:48:45,474 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:48:45,474 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:48:45,474 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:48:45,475 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:48:45,475 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:48:45,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:48:45,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:48:45,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:48:45,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:48:45,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:48:45,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:48:45,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:48:45,477 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:48:45,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:48:45,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:48:45,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:48:45,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:48:45,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:48:45,479 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:48:45,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:48:45,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:48:45,479 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:48:45,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:48:45,481 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:48:45,481 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:48:45,481 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_0e063d97-d796-47ef-8fa0-793392e40b80/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70285c15c86f57662e9c7cfb124387828d40f8fb898978032ed6716b7a4d6009 [2022-11-03 02:48:45,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:48:45,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:48:45,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:48:45,869 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:48:45,870 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:48:45,883 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i [2022-11-03 02:48:45,953 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/bin/utaipan-7li7fVZpFI/data/cc1ecab77/bb7b456ca9c54661919e9f679f27006c/FLAG4f5e9a270 [2022-11-03 02:48:47,113 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:48:47,113 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i [2022-11-03 02:48:47,181 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/bin/utaipan-7li7fVZpFI/data/cc1ecab77/bb7b456ca9c54661919e9f679f27006c/FLAG4f5e9a270 [2022-11-03 02:48:47,344 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/bin/utaipan-7li7fVZpFI/data/cc1ecab77/bb7b456ca9c54661919e9f679f27006c [2022-11-03 02:48:47,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:48:47,347 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:48:47,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:48:47,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:48:47,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:48:47,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:48:47" (1/1) ... [2022-11-03 02:48:47,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b23b47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:48:47, skipping insertion in model container [2022-11-03 02:48:47,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:48:47" (1/1) ... [2022-11-03 02:48:47,364 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:48:47,586 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:48:55,269 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[562820,562833] [2022-11-03 02:48:55,272 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[562965,562978] [2022-11-03 02:48:55,273 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563111,563124] [2022-11-03 02:48:55,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563276,563289] [2022-11-03 02:48:55,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563434,563447] [2022-11-03 02:48:55,275 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563592,563605] [2022-11-03 02:48:55,276 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563750,563763] [2022-11-03 02:48:55,276 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563910,563923] [2022-11-03 02:48:55,277 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564069,564082] [2022-11-03 02:48:55,277 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564208,564221] [2022-11-03 02:48:55,278 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564350,564363] [2022-11-03 02:48:55,278 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564499,564512] [2022-11-03 02:48:55,279 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564638,564651] [2022-11-03 02:48:55,279 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564793,564806] [2022-11-03 02:48:55,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564953,564966] [2022-11-03 02:48:55,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565104,565117] [2022-11-03 02:48:55,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565255,565268] [2022-11-03 02:48:55,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565407,565420] [2022-11-03 02:48:55,292 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565556,565569] [2022-11-03 02:48:55,292 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565704,565717] [2022-11-03 02:48:55,293 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565861,565874] [2022-11-03 02:48:55,294 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566010,566023] [2022-11-03 02:48:55,295 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566166,566179] [2022-11-03 02:48:55,296 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566319,566332] [2022-11-03 02:48:55,297 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566465,566478] [2022-11-03 02:48:55,297 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566608,566621] [2022-11-03 02:48:55,298 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566760,566773] [2022-11-03 02:48:55,299 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566906,566919] [2022-11-03 02:48:55,300 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567051,567064] [2022-11-03 02:48:55,301 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567205,567218] [2022-11-03 02:48:55,303 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567356,567369] [2022-11-03 02:48:55,304 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567511,567524] [2022-11-03 02:48:55,305 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567663,567676] [2022-11-03 02:48:55,305 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567818,567831] [2022-11-03 02:48:55,306 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567982,567995] [2022-11-03 02:48:55,306 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568138,568151] [2022-11-03 02:48:55,307 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568302,568315] [2022-11-03 02:48:55,307 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568444,568457] [2022-11-03 02:48:55,308 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568602,568615] [2022-11-03 02:48:55,313 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568769,568782] [2022-11-03 02:48:55,314 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568928,568941] [2022-11-03 02:48:55,314 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569087,569100] [2022-11-03 02:48:55,315 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569236,569249] [2022-11-03 02:48:55,315 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569383,569396] [2022-11-03 02:48:55,316 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569522,569535] [2022-11-03 02:48:55,317 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569685,569698] [2022-11-03 02:48:55,317 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569851,569864] [2022-11-03 02:48:55,319 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570015,570028] [2022-11-03 02:48:55,319 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570180,570193] [2022-11-03 02:48:55,320 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570345,570358] [2022-11-03 02:48:55,320 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570511,570524] [2022-11-03 02:48:55,321 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570676,570689] [2022-11-03 02:48:55,321 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570843,570856] [2022-11-03 02:48:55,323 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571003,571016] [2022-11-03 02:48:55,323 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571165,571178] [2022-11-03 02:48:55,324 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571324,571337] [2022-11-03 02:48:55,324 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571470,571483] [2022-11-03 02:48:55,325 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571613,571626] [2022-11-03 02:48:55,325 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571757,571770] [2022-11-03 02:48:55,326 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571900,571913] [2022-11-03 02:48:55,326 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572044,572057] [2022-11-03 02:48:55,327 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572185,572198] [2022-11-03 02:48:55,328 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572323,572336] [2022-11-03 02:48:55,330 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572481,572494] [2022-11-03 02:48:55,331 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572640,572653] [2022-11-03 02:48:55,332 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572796,572809] [2022-11-03 02:48:55,332 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572945,572958] [2022-11-03 02:48:55,333 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573097,573110] [2022-11-03 02:48:55,333 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573248,573261] [2022-11-03 02:48:55,334 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573397,573410] [2022-11-03 02:48:55,334 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573549,573562] [2022-11-03 02:48:55,335 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573697,573710] [2022-11-03 02:48:55,336 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573850,573863] [2022-11-03 02:48:55,336 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574001,574014] [2022-11-03 02:48:55,337 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574151,574164] [2022-11-03 02:48:55,337 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574298,574311] [2022-11-03 02:48:55,338 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574449,574462] [2022-11-03 02:48:55,338 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574600,574613] [2022-11-03 02:48:55,339 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574748,574761] [2022-11-03 02:48:55,339 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574914,574927] [2022-11-03 02:48:55,340 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575083,575096] [2022-11-03 02:48:55,340 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575250,575263] [2022-11-03 02:48:55,341 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575418,575431] [2022-11-03 02:48:55,341 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575568,575581] [2022-11-03 02:48:55,343 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575715,575728] [2022-11-03 02:48:55,343 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575876,575889] [2022-11-03 02:48:55,344 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[576046,576059] [2022-11-03 02:48:55,345 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[576208,576221] [2022-11-03 02:48:55,373 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:48:55,483 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:48:56,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[562820,562833] [2022-11-03 02:48:56,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[562965,562978] [2022-11-03 02:48:56,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563111,563124] [2022-11-03 02:48:56,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563276,563289] [2022-11-03 02:48:56,094 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563434,563447] [2022-11-03 02:48:56,094 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563592,563605] [2022-11-03 02:48:56,094 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563750,563763] [2022-11-03 02:48:56,095 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[563910,563923] [2022-11-03 02:48:56,095 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564069,564082] [2022-11-03 02:48:56,096 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564208,564221] [2022-11-03 02:48:56,097 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564350,564363] [2022-11-03 02:48:56,097 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564499,564512] [2022-11-03 02:48:56,097 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564638,564651] [2022-11-03 02:48:56,098 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564793,564806] [2022-11-03 02:48:56,098 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[564953,564966] [2022-11-03 02:48:56,099 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565104,565117] [2022-11-03 02:48:56,099 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565255,565268] [2022-11-03 02:48:56,100 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565407,565420] [2022-11-03 02:48:56,104 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565556,565569] [2022-11-03 02:48:56,105 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565704,565717] [2022-11-03 02:48:56,105 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[565861,565874] [2022-11-03 02:48:56,106 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566010,566023] [2022-11-03 02:48:56,107 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566166,566179] [2022-11-03 02:48:56,107 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566319,566332] [2022-11-03 02:48:56,108 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566465,566478] [2022-11-03 02:48:56,108 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566608,566621] [2022-11-03 02:48:56,108 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566760,566773] [2022-11-03 02:48:56,110 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[566906,566919] [2022-11-03 02:48:56,110 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567051,567064] [2022-11-03 02:48:56,111 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567205,567218] [2022-11-03 02:48:56,111 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567356,567369] [2022-11-03 02:48:56,111 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567511,567524] [2022-11-03 02:48:56,112 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567663,567676] [2022-11-03 02:48:56,113 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567818,567831] [2022-11-03 02:48:56,113 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[567982,567995] [2022-11-03 02:48:56,114 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568138,568151] [2022-11-03 02:48:56,114 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568302,568315] [2022-11-03 02:48:56,115 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568444,568457] [2022-11-03 02:48:56,116 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568602,568615] [2022-11-03 02:48:56,116 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568769,568782] [2022-11-03 02:48:56,117 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[568928,568941] [2022-11-03 02:48:56,118 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569087,569100] [2022-11-03 02:48:56,119 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569236,569249] [2022-11-03 02:48:56,119 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569383,569396] [2022-11-03 02:48:56,119 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569522,569535] [2022-11-03 02:48:56,120 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569685,569698] [2022-11-03 02:48:56,120 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[569851,569864] [2022-11-03 02:48:56,120 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570015,570028] [2022-11-03 02:48:56,121 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570180,570193] [2022-11-03 02:48:56,121 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570345,570358] [2022-11-03 02:48:56,122 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570511,570524] [2022-11-03 02:48:56,122 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570676,570689] [2022-11-03 02:48:56,122 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[570843,570856] [2022-11-03 02:48:56,123 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571003,571016] [2022-11-03 02:48:56,124 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571165,571178] [2022-11-03 02:48:56,125 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571324,571337] [2022-11-03 02:48:56,128 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571470,571483] [2022-11-03 02:48:56,129 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571613,571626] [2022-11-03 02:48:56,129 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571757,571770] [2022-11-03 02:48:56,130 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[571900,571913] [2022-11-03 02:48:56,131 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572044,572057] [2022-11-03 02:48:56,132 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572185,572198] [2022-11-03 02:48:56,137 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572323,572336] [2022-11-03 02:48:56,138 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572481,572494] [2022-11-03 02:48:56,138 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572640,572653] [2022-11-03 02:48:56,144 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572796,572809] [2022-11-03 02:48:56,145 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[572945,572958] [2022-11-03 02:48:56,145 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573097,573110] [2022-11-03 02:48:56,146 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573248,573261] [2022-11-03 02:48:56,146 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573397,573410] [2022-11-03 02:48:56,146 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573549,573562] [2022-11-03 02:48:56,147 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573697,573710] [2022-11-03 02:48:56,147 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[573850,573863] [2022-11-03 02:48:56,147 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574001,574014] [2022-11-03 02:48:56,149 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574151,574164] [2022-11-03 02:48:56,149 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574298,574311] [2022-11-03 02:48:56,150 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574449,574462] [2022-11-03 02:48:56,150 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574600,574613] [2022-11-03 02:48:56,152 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574748,574761] [2022-11-03 02:48:56,152 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[574914,574927] [2022-11-03 02:48:56,153 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575083,575096] [2022-11-03 02:48:56,154 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575250,575263] [2022-11-03 02:48:56,154 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575418,575431] [2022-11-03 02:48:56,155 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575568,575581] [2022-11-03 02:48:56,155 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575715,575728] [2022-11-03 02:48:56,155 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[575876,575889] [2022-11-03 02:48:56,156 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[576046,576059] [2022-11-03 02:48:56,156 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i[576208,576221] [2022-11-03 02:48:56,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:48:56,639 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:48:56,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:48:56 WrapperNode [2022-11-03 02:48:56,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:48:56,641 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:48:56,641 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:48:56,641 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:48:56,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:48:56" (1/1) ... [2022-11-03 02:48:56,788 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:48:56" (1/1) ... [2022-11-03 02:48:57,093 INFO L138 Inliner]: procedures = 842, calls = 3781, calls flagged for inlining = 410, calls inlined = 310, statements flattened = 8758 [2022-11-03 02:48:57,093 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:48:57,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:48:57,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:48:57,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:48:57,104 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:48:56" (1/1) ... [2022-11-03 02:48:57,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:48:56" (1/1) ... [2022-11-03 02:48:57,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:48:56" (1/1) ... [2022-11-03 02:48:57,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:48:56" (1/1) ... [2022-11-03 02:48:57,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:48:56" (1/1) ... [2022-11-03 02:48:57,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:48:56" (1/1) ... [2022-11-03 02:48:57,494 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:48:56" (1/1) ... [2022-11-03 02:48:57,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:48:56" (1/1) ... [2022-11-03 02:48:57,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:48:57,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:48:57,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:48:57,581 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:48:57,582 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:48:56" (1/1) ... [2022-11-03 02:48:57,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:48:57,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:48:57,611 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:48:57,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:48:57,659 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-03 02:48:57,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-03 02:48:57,659 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-03 02:48:57,659 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-03 02:48:57,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-03 02:48:57,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-03 02:48:57,660 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 02:48:57,660 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 02:48:57,660 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 02:48:57,660 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 02:48:57,660 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-03 02:48:57,660 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-03 02:48:57,660 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_maybe_stop_tx [2022-11-03 02:48:57,660 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_maybe_stop_tx [2022-11-03 02:48:57,660 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 02:48:57,661 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 02:48:57,661 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-03 02:48:57,661 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-03 02:48:57,661 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_suspend [2022-11-03 02:48:57,661 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_suspend [2022-11-03 02:48:57,661 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-03 02:48:57,661 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-03 02:48:57,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-03 02:48:57,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-03 02:48:57,662 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_assign_vector [2022-11-03 02:48:57,662 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_assign_vector [2022-11-03 02:48:57,662 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 02:48:57,662 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 02:48:57,662 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_desc_unused [2022-11-03 02:48:57,662 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_desc_unused [2022-11-03 02:48:57,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 02:48:57,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 02:48:57,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-03 02:48:57,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-03 02:48:57,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:48:57,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-03 02:48:57,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-03 02:48:57,663 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_netpoll [2022-11-03 02:48:57,663 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_netpoll [2022-11-03 02:48:57,663 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-03 02:48:57,663 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-03 02:48:57,664 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset_interrupt_capability [2022-11-03 02:48:57,664 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset_interrupt_capability [2022-11-03 02:48:57,664 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_msg_vf [2022-11-03 02:48:57,664 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_msg_vf [2022-11-03 02:48:57,664 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-03 02:48:57,664 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-03 02:48:57,664 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-11-03 02:48:57,664 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-11-03 02:48:57,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-03 02:48:57,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-03 02:48:57,665 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 02:48:57,665 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 02:48:57,665 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-03 02:48:57,665 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-03 02:48:57,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-03 02:48:57,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-03 02:48:57,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:48:57,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-03 02:48:57,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-11-03 02:48:57,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-03 02:48:57,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-03 02:48:57,666 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure_msix [2022-11-03 02:48:57,667 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure_msix [2022-11-03 02:48:57,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:48:57,671 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_open [2022-11-03 02:48:57,672 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_open [2022-11-03 02:48:57,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 02:48:57,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 02:48:57,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:48:57,672 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-03 02:48:57,672 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-03 02:48:57,672 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_nway_reset [2022-11-03 02:48:57,673 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_nway_reset [2022-11-03 02:48:57,675 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_posted_mbx [2022-11-03 02:48:57,675 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_posted_mbx [2022-11-03 02:48:57,675 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-03 02:48:57,675 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-03 02:48:57,675 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_enable [2022-11-03 02:48:57,675 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_enable [2022-11-03 02:48:57,676 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 02:48:57,676 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 02:48:57,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-03 02:48:57,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-03 02:48:57,676 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_update_stats [2022-11-03 02:48:57,676 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_update_stats [2022-11-03 02:48:57,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2022-11-03 02:48:57,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2022-11-03 02:48:57,676 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 02:48:57,676 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 02:48:57,677 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_bit_vf [2022-11-03 02:48:57,677 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_bit_vf [2022-11-03 02:48:57,677 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_hw_vf [2022-11-03 02:48:57,677 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_hw_vf [2022-11-03 02:48:57,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:48:57,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:48:57,677 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_ack [2022-11-03 02:48:57,677 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_ack [2022-11-03 02:48:57,677 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 02:48:57,678 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 02:48:57,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 02:48:57,678 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-03 02:48:57,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-03 02:48:57,678 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set_vf [2022-11-03 02:48:57,678 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set_vf [2022-11-03 02:48:57,678 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-03 02:48:57,678 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-03 02:48:57,678 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_down [2022-11-03 02:48:57,678 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_down [2022-11-03 02:48:57,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-03 02:48:57,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-03 02:48:57,679 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_irq [2022-11-03 02:48:57,679 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_irq [2022-11-03 02:48:57,679 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-03 02:48:57,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-03 02:48:57,679 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-03 02:48:57,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-03 02:48:57,680 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link_vf [2022-11-03 02:48:57,680 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link_vf [2022-11-03 02:48:57,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 02:48:57,680 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 02:48:57,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-03 02:48:57,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-03 02:48:57,681 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_v2p_mailbox [2022-11-03 02:48:57,681 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_v2p_mailbox [2022-11-03 02:48:57,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-03 02:48:57,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-03 02:48:57,681 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-03 02:48:57,681 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-03 02:48:57,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-03 02:48:57,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-03 02:48:57,682 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-03 02:48:57,682 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-03 02:48:57,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:48:57,682 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 02:48:57,682 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 02:48:57,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-03 02:48:57,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-03 02:48:57,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:48:57,682 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_rx_resources [2022-11-03 02:48:57,683 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_rx_resources [2022-11-03 02:48:57,683 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-03 02:48:57,683 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-03 02:48:57,683 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-03 02:48:57,683 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-03 02:48:57,683 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 02:48:57,683 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 02:48:57,683 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-03 02:48:57,683 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-03 02:48:57,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 02:48:57,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 02:48:57,684 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_msg [2022-11-03 02:48:57,684 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_msg [2022-11-03 02:48:57,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-03 02:48:57,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-03 02:48:57,684 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-03 02:48:57,684 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-03 02:48:57,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-03 02:48:57,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-03 02:48:57,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-11-03 02:48:57,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-11-03 02:48:57,685 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-03 02:48:57,685 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-03 02:48:57,685 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_shutdown [2022-11-03 02:48:57,685 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_shutdown [2022-11-03 02:48:57,685 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 02:48:57,685 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 02:48:57,685 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_eeprom_len [2022-11-03 02:48:57,685 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_eeprom_len [2022-11-03 02:48:57,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:48:57,686 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2022-11-03 02:48:57,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2022-11-03 02:48:57,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:48:57,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:48:57,686 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_resume [2022-11-03 02:48:57,686 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_resume [2022-11-03 02:48:57,686 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_tx_timeout [2022-11-03 02:48:57,686 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_tx_timeout [2022-11-03 02:48:57,686 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-03 02:48:57,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-03 02:48:57,687 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-03 02:48:57,687 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-03 02:48:57,687 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_up [2022-11-03 02:48:57,687 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_up [2022-11-03 02:48:57,687 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-11-03 02:48:57,687 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-11-03 02:48:57,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-03 02:48:57,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-03 02:48:57,687 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-03 02:48:57,688 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-03 02:48:57,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 02:48:57,688 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 02:48:57,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:48:57,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:48:57,688 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_function_pointers_vf [2022-11-03 02:48:57,688 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_function_pointers_vf [2022-11-03 02:48:57,688 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-03 02:48:57,688 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-03 02:48:57,688 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-03 02:48:57,689 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-03 02:48:57,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-03 02:48:57,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-03 02:48:57,690 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_alloc_rx_buffers [2022-11-03 02:48:57,690 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_alloc_rx_buffers [2022-11-03 02:48:57,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-03 02:48:57,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-03 02:48:57,690 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_mac_addr_vf [2022-11-03 02:48:57,691 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_mac_addr_vf [2022-11-03 02:48:57,691 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_close [2022-11-03 02:48:57,691 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_close [2022-11-03 02:48:57,691 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 02:48:57,691 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 02:48:57,691 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw_vf [2022-11-03 02:48:57,691 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw_vf [2022-11-03 02:48:57,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 02:48:57,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 02:48:57,691 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-03 02:48:57,692 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-03 02:48:57,692 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_irq [2022-11-03 02:48:57,692 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_irq [2022-11-03 02:48:57,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 02:48:57,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 02:48:57,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-03 02:48:57,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-03 02:48:57,692 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-03 02:48:57,692 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-03 02:48:57,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:48:57,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-03 02:48:57,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-03 02:48:57,693 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-03 02:48:57,693 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-03 02:48:57,693 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 02:48:57,693 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 02:48:57,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 02:48:57,693 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 02:48:57,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 02:48:57,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 02:48:57,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-03 02:48:57,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-03 02:48:57,694 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 02:48:57,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 02:48:57,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-03 02:48:57,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-03 02:48:57,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 02:48:57,694 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 02:48:57,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-03 02:48:57,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-03 02:48:57,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-03 02:48:57,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-03 02:48:57,695 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_tx_resources [2022-11-03 02:48:57,695 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_tx_resources [2022-11-03 02:48:57,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 02:48:57,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 02:48:57,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2022-11-03 02:48:57,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2022-11-03 02:48:57,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_2 [2022-11-03 02:48:57,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_2 [2022-11-03 02:48:57,696 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-03 02:48:57,696 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-03 02:48:57,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-03 02:48:57,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-03 02:48:57,696 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2022-11-03 02:48:57,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2022-11-03 02:48:57,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2022-11-03 02:48:57,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2022-11-03 02:48:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-03 02:48:57,697 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-03 02:48:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-03 02:48:57,697 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-03 02:48:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:48:57,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:48:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset [2022-11-03 02:48:57,697 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset [2022-11-03 02:48:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-03 02:48:57,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-03 02:48:57,698 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-03 02:48:57,698 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-03 02:48:57,698 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reinit_locked [2022-11-03 02:48:57,698 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reinit_locked [2022-11-03 02:48:57,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-03 02:48:57,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-03 02:48:57,698 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_vlan_rx_add_vid [2022-11-03 02:48:57,698 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_vlan_rx_add_vid [2022-11-03 02:48:57,698 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-03 02:48:57,698 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-03 02:48:57,699 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-03 02:48:57,699 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-03 02:48:57,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 02:48:57,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 02:48:57,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 02:48:57,699 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-03 02:48:57,699 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-03 02:48:57,699 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-03 02:48:57,699 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-03 02:48:57,699 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_regs_len [2022-11-03 02:48:57,700 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_regs_len [2022-11-03 02:48:57,700 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-03 02:48:57,700 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-03 02:48:57,700 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-03 02:48:57,700 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-03 02:48:57,700 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-03 02:48:57,700 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-03 02:48:57,700 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_ring [2022-11-03 02:48:57,700 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_ring [2022-11-03 02:48:57,700 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-03 02:48:57,701 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-03 02:48:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_remove [2022-11-03 02:48:57,701 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_remove [2022-11-03 02:48:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-03 02:48:57,701 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-03 02:48:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-03 02:48:57,701 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-03 02:48:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_disable [2022-11-03 02:48:57,701 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_disable [2022-11-03 02:48:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure [2022-11-03 02:48:57,702 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure [2022-11-03 02:48:57,702 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_rx_ring [2022-11-03 02:48:57,702 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_rx_ring [2022-11-03 02:48:57,702 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2022-11-03 02:48:57,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2022-11-03 02:48:57,702 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_obtain_mbx_lock_vf [2022-11-03 02:48:57,702 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_obtain_mbx_lock_vf [2022-11-03 02:48:57,702 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-11-03 02:48:57,702 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-11-03 02:48:57,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:48:57,703 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_ack_vf [2022-11-03 02:48:57,703 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_ack_vf [2022-11-03 02:48:57,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-03 02:48:57,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-03 02:48:57,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-03 02:48:57,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-03 02:48:57,703 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_request_irq [2022-11-03 02:48:57,703 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_request_irq [2022-11-03 02:48:57,703 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_resume [2022-11-03 02:48:57,703 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_resume [2022-11-03 02:48:57,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 02:48:57,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 02:48:57,704 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_put_txbuf [2022-11-03 02:48:57,704 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_put_txbuf [2022-11-03 02:48:57,704 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2022-11-03 02:48:57,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2022-11-03 02:48:57,704 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 02:48:57,704 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 02:48:57,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-03 02:48:57,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-03 02:48:57,705 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-03 02:48:57,705 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-03 02:48:57,705 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_tx_resources [2022-11-03 02:48:57,705 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_tx_resources [2022-11-03 02:48:57,705 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 02:48:57,705 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 02:48:57,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-03 02:48:57,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-03 02:48:57,705 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-03 02:48:57,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-03 02:48:57,706 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2022-11-03 02:48:57,706 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2022-11-03 02:48:57,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-03 02:48:57,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-03 02:48:57,706 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-03 02:48:57,706 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-03 02:48:57,706 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-03 02:48:57,706 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-03 02:48:57,706 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-03 02:48:57,706 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-03 02:48:57,707 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_rx_resources [2022-11-03 02:48:57,707 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_rx_resources [2022-11-03 02:48:57,707 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_multi [2022-11-03 02:48:57,707 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_multi [2022-11-03 02:48:57,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 02:48:57,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 02:48:57,707 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-03 02:48:57,707 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-03 02:48:57,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-03 02:48:57,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-03 02:48:57,708 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_posted_mbx [2022-11-03 02:48:57,708 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_posted_mbx [2022-11-03 02:48:57,708 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-03 02:48:57,708 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-03 02:48:57,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:48:57,708 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-03 02:48:59,081 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:48:59,091 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:48:59,198 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 02:49:08,211 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:49:09,976 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:49:09,977 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 02:49:09,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:49:09 BoogieIcfgContainer [2022-11-03 02:49:09,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:49:09,988 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:49:09,988 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:49:09,993 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:49:09,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:48:47" (1/3) ... [2022-11-03 02:49:09,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@848aeed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:49:09, skipping insertion in model container [2022-11-03 02:49:09,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:48:56" (2/3) ... [2022-11-03 02:49:09,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@848aeed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:49:09, skipping insertion in model container [2022-11-03 02:49:09,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:49:09" (3/3) ... [2022-11-03 02:49:09,996 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i [2022-11-03 02:49:10,016 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:49:10,016 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2022-11-03 02:49:10,110 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:49:10,115 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;@1538ae22, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:49:10,116 INFO L358 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2022-11-03 02:49:10,129 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) [2022-11-03 02:49:10,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-03 02:49:10,142 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:10,143 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] [2022-11-03 02:49:10,143 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)] === [2022-11-03 02:49:10,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:10,151 INFO L85 PathProgramCache]: Analyzing trace with hash 994107012, now seen corresponding path program 1 times [2022-11-03 02:49:10,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:49:10,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337209461] [2022-11-03 02:49:10,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:10,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:49:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:11,473 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:49:11,474 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:49:11,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337209461] [2022-11-03 02:49:11,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337209461] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:11,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:49:11,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:49:11,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899439977] [2022-11-03 02:49:11,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:11,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:49:11,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:49:11,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:49:11,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:49:11,522 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) [2022-11-03 02:49:13,310 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 [] [2022-11-03 02:49:15,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:17,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:24,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:24,230 INFO L93 Difference]: Finished difference Result 6175 states and 8673 transitions. [2022-11-03 02:49:24,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:49:24,233 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 [2022-11-03 02:49:24,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:24,299 INFO L225 Difference]: With dead ends: 6175 [2022-11-03 02:49:24,300 INFO L226 Difference]: Without dead ends: 3858 [2022-11-03 02:49:24,323 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 [2022-11-03 02:49:24,328 INFO L413 NwaCegarLoop]: 3793 mSDtfsCounter, 2077 mSDsluCounter, 7473 mSDsCounter, 0 mSdLazyCounter, 1436 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2079 SdHoareTripleChecker+Valid, 10360 SdHoareTripleChecker+Invalid, 1437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:24,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2079 Valid, 10360 Invalid, 1437 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1436 Invalid, 0 Unknown, 0 Unchecked, 12.2s Time] [2022-11-03 02:49:24,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3858 states. [2022-11-03 02:49:24,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3858 to 3682. [2022-11-03 02:49:24,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3682 states, 2128 states have (on average 1.2359022556390977) internal successors, (2630), 2237 states have internal predecessors, (2630), 1209 states have call successors, (1209), 318 states have call predecessors, (1209), 316 states have return successors, (1207), 1183 states have call predecessors, (1207), 1207 states have call successors, (1207) [2022-11-03 02:49:24,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3682 states to 3682 states and 5046 transitions. [2022-11-03 02:49:24,725 INFO L78 Accepts]: Start accepts. Automaton has 3682 states and 5046 transitions. Word has length 47 [2022-11-03 02:49:24,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:24,726 INFO L495 AbstractCegarLoop]: Abstraction has 3682 states and 5046 transitions. [2022-11-03 02:49:24,727 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) [2022-11-03 02:49:24,727 INFO L276 IsEmpty]: Start isEmpty. Operand 3682 states and 5046 transitions. [2022-11-03 02:49:24,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-03 02:49:24,732 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:24,733 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] [2022-11-03 02:49:24,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:49:24,733 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)] === [2022-11-03 02:49:24,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:24,734 INFO L85 PathProgramCache]: Analyzing trace with hash -2026220621, now seen corresponding path program 1 times [2022-11-03 02:49:24,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:49:24,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383245023] [2022-11-03 02:49:24,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:24,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:49:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:25,497 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:49:25,497 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:49:25,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383245023] [2022-11-03 02:49:25,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383245023] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:25,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:49:25,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:49:25,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186641651] [2022-11-03 02:49:25,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:25,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:49:25,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:49:25,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:49:25,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:49:25,501 INFO L87 Difference]: Start difference. First operand 3682 states and 5046 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) [2022-11-03 02:49:27,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:29,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:31,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:34,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:35,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:38,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:38,455 INFO L93 Difference]: Finished difference Result 5278 states and 7142 transitions. [2022-11-03 02:49:38,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:49:38,456 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 [2022-11-03 02:49:38,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:38,494 INFO L225 Difference]: With dead ends: 5278 [2022-11-03 02:49:38,494 INFO L226 Difference]: Without dead ends: 5276 [2022-11-03 02:49:38,498 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 [2022-11-03 02:49:38,499 INFO L413 NwaCegarLoop]: 4289 mSDtfsCounter, 2082 mSDsluCounter, 8024 mSDsCounter, 0 mSdLazyCounter, 1573 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2084 SdHoareTripleChecker+Valid, 11333 SdHoareTripleChecker+Invalid, 1576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1573 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:38,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2084 Valid, 11333 Invalid, 1576 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1573 Invalid, 2 Unknown, 0 Unchecked, 12.6s Time] [2022-11-03 02:49:38,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5276 states. [2022-11-03 02:49:38,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5276 to 5111. [2022-11-03 02:49:38,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5111 states, 2951 states have (on average 1.230091494408675) internal successors, (3630), 3086 states have internal predecessors, (3630), 1670 states have call successors, (1670), 463 states have call predecessors, (1670), 461 states have return successors, (1668), 1639 states have call predecessors, (1668), 1668 states have call successors, (1668) [2022-11-03 02:49:38,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5111 states to 5111 states and 6968 transitions. [2022-11-03 02:49:38,791 INFO L78 Accepts]: Start accepts. Automaton has 5111 states and 6968 transitions. Word has length 52 [2022-11-03 02:49:38,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:38,792 INFO L495 AbstractCegarLoop]: Abstraction has 5111 states and 6968 transitions. [2022-11-03 02:49:38,792 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) [2022-11-03 02:49:38,792 INFO L276 IsEmpty]: Start isEmpty. Operand 5111 states and 6968 transitions. [2022-11-03 02:49:38,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-03 02:49:38,802 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:38,802 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] [2022-11-03 02:49:38,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:49:38,803 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)] === [2022-11-03 02:49:38,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:38,803 INFO L85 PathProgramCache]: Analyzing trace with hash -191511035, now seen corresponding path program 1 times [2022-11-03 02:49:38,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:49:38,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435514683] [2022-11-03 02:49:38,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:38,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:49:38,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:39,383 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:49:39,383 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:49:39,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435514683] [2022-11-03 02:49:39,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435514683] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:39,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:49:39,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:49:39,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082125174] [2022-11-03 02:49:39,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:39,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:49:39,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:49:39,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:49:39,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:49:39,386 INFO L87 Difference]: Start difference. First operand 5111 states and 6968 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) [2022-11-03 02:49:44,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:44,676 INFO L93 Difference]: Finished difference Result 5111 states and 6968 transitions. [2022-11-03 02:49:44,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:49:44,677 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 [2022-11-03 02:49:44,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:44,714 INFO L225 Difference]: With dead ends: 5111 [2022-11-03 02:49:44,714 INFO L226 Difference]: Without dead ends: 5109 [2022-11-03 02:49:44,718 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 [2022-11-03 02:49:44,719 INFO L413 NwaCegarLoop]: 2779 mSDtfsCounter, 3154 mSDsluCounter, 3173 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3156 SdHoareTripleChecker+Valid, 5558 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:44,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3156 Valid, 5558 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-11-03 02:49:44,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5109 states. [2022-11-03 02:49:45,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5109 to 5109. [2022-11-03 02:49:45,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5109 states, 2950 states have (on average 1.2298305084745762) internal successors, (3628), 3084 states have internal predecessors, (3628), 1670 states have call successors, (1670), 463 states have call predecessors, (1670), 461 states have return successors, (1668), 1639 states have call predecessors, (1668), 1668 states have call successors, (1668) [2022-11-03 02:49:45,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5109 states to 5109 states and 6966 transitions. [2022-11-03 02:49:45,116 INFO L78 Accepts]: Start accepts. Automaton has 5109 states and 6966 transitions. Word has length 57 [2022-11-03 02:49:45,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:45,119 INFO L495 AbstractCegarLoop]: Abstraction has 5109 states and 6966 transitions. [2022-11-03 02:49:45,119 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) [2022-11-03 02:49:45,120 INFO L276 IsEmpty]: Start isEmpty. Operand 5109 states and 6966 transitions. [2022-11-03 02:49:45,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-03 02:49:45,123 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:45,123 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] [2022-11-03 02:49:45,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:49:45,123 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)] === [2022-11-03 02:49:45,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:45,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1872719517, now seen corresponding path program 1 times [2022-11-03 02:49:45,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:49:45,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208074299] [2022-11-03 02:49:45,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:45,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:49:45,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:45,654 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:49:45,654 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:49:45,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208074299] [2022-11-03 02:49:45,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208074299] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:45,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:49:45,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:49:45,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075071456] [2022-11-03 02:49:45,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:45,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:49:45,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:49:45,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:49:45,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:49:45,657 INFO L87 Difference]: Start difference. First operand 5109 states and 6966 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) [2022-11-03 02:49:48,715 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 [] [2022-11-03 02:49:50,748 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 [] [2022-11-03 02:49:53,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:53,350 INFO L93 Difference]: Finished difference Result 5109 states and 6966 transitions. [2022-11-03 02:49:53,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:49:53,351 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 [2022-11-03 02:49:53,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:53,384 INFO L225 Difference]: With dead ends: 5109 [2022-11-03 02:49:53,384 INFO L226 Difference]: Without dead ends: 5107 [2022-11-03 02:49:53,389 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 [2022-11-03 02:49:53,391 INFO L413 NwaCegarLoop]: 2777 mSDtfsCounter, 3151 mSDsluCounter, 3171 mSDsCounter, 0 mSdLazyCounter, 790 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3153 SdHoareTripleChecker+Valid, 5554 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 790 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:53,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3153 Valid, 5554 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 790 Invalid, 1 Unknown, 0 Unchecked, 7.5s Time] [2022-11-03 02:49:53,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5107 states. [2022-11-03 02:49:53,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5107 to 5107. [2022-11-03 02:49:53,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5107 states, 2949 states have (on average 1.2295693455408614) internal successors, (3626), 3082 states have internal predecessors, (3626), 1670 states have call successors, (1670), 463 states have call predecessors, (1670), 461 states have return successors, (1668), 1639 states have call predecessors, (1668), 1668 states have call successors, (1668) [2022-11-03 02:49:53,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5107 states to 5107 states and 6964 transitions. [2022-11-03 02:49:53,764 INFO L78 Accepts]: Start accepts. Automaton has 5107 states and 6964 transitions. Word has length 62 [2022-11-03 02:49:53,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:53,765 INFO L495 AbstractCegarLoop]: Abstraction has 5107 states and 6964 transitions. [2022-11-03 02:49:53,765 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) [2022-11-03 02:49:53,765 INFO L276 IsEmpty]: Start isEmpty. Operand 5107 states and 6964 transitions. [2022-11-03 02:49:53,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-03 02:49:53,767 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:53,768 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] [2022-11-03 02:49:53,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:49:53,769 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)] === [2022-11-03 02:49:53,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:53,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1577119596, now seen corresponding path program 1 times [2022-11-03 02:49:53,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:49:53,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940259843] [2022-11-03 02:49:53,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:53,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:49:53,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:54,268 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:49:54,269 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:49:54,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940259843] [2022-11-03 02:49:54,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940259843] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:54,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:49:54,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:49:54,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395820899] [2022-11-03 02:49:54,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:54,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:49:54,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:49:54,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:49:54,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:49:54,272 INFO L87 Difference]: Start difference. First operand 5107 states and 6964 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) [2022-11-03 02:49:56,111 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 [] [2022-11-03 02:50:01,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:50:01,377 INFO L93 Difference]: Finished difference Result 5107 states and 6964 transitions. [2022-11-03 02:50:01,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:50:01,378 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 [2022-11-03 02:50:01,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:50:01,410 INFO L225 Difference]: With dead ends: 5107 [2022-11-03 02:50:01,410 INFO L226 Difference]: Without dead ends: 5105 [2022-11-03 02:50:01,413 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 [2022-11-03 02:50:01,414 INFO L413 NwaCegarLoop]: 2775 mSDtfsCounter, 3148 mSDsluCounter, 3169 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3150 SdHoareTripleChecker+Valid, 5550 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:50:01,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3150 Valid, 5550 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2022-11-03 02:50:01,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5105 states. [2022-11-03 02:50:01,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5105 to 5105. [2022-11-03 02:50:01,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5105 states, 2948 states have (on average 1.2293080054274084) internal successors, (3624), 3080 states have internal predecessors, (3624), 1670 states have call successors, (1670), 463 states have call predecessors, (1670), 461 states have return successors, (1668), 1639 states have call predecessors, (1668), 1668 states have call successors, (1668) [2022-11-03 02:50:01,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5105 states to 5105 states and 6962 transitions. [2022-11-03 02:50:01,843 INFO L78 Accepts]: Start accepts. Automaton has 5105 states and 6962 transitions. Word has length 67 [2022-11-03 02:50:01,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:50:01,843 INFO L495 AbstractCegarLoop]: Abstraction has 5105 states and 6962 transitions. [2022-11-03 02:50:01,843 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) [2022-11-03 02:50:01,844 INFO L276 IsEmpty]: Start isEmpty. Operand 5105 states and 6962 transitions. [2022-11-03 02:50:01,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-03 02:50:01,845 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:50:01,845 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] [2022-11-03 02:50:01,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 02:50:01,846 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)] === [2022-11-03 02:50:01,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:50:01,846 INFO L85 PathProgramCache]: Analyzing trace with hash 303891864, now seen corresponding path program 1 times [2022-11-03 02:50:01,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:50:01,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588355060] [2022-11-03 02:50:01,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:01,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:50:01,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:02,355 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:50:02,355 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:50:02,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588355060] [2022-11-03 02:50:02,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588355060] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:50:02,356 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:50:02,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:50:02,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580667485] [2022-11-03 02:50:02,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:50:02,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:50:02,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:50:02,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:50:02,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:50:02,357 INFO L87 Difference]: Start difference. First operand 5105 states and 6962 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) [2022-11-03 02:50:04,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:06,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:08,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:09,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:12,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:50:12,442 INFO L93 Difference]: Finished difference Result 5105 states and 6962 transitions. [2022-11-03 02:50:12,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:50:12,443 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 [2022-11-03 02:50:12,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:50:12,469 INFO L225 Difference]: With dead ends: 5105 [2022-11-03 02:50:12,470 INFO L226 Difference]: Without dead ends: 5103 [2022-11-03 02:50:12,473 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 [2022-11-03 02:50:12,473 INFO L413 NwaCegarLoop]: 2773 mSDtfsCounter, 3145 mSDsluCounter, 3167 mSDsCounter, 0 mSdLazyCounter, 790 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3147 SdHoareTripleChecker+Valid, 5546 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 790 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:50:12,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3147 Valid, 5546 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 790 Invalid, 1 Unknown, 0 Unchecked, 9.8s Time] [2022-11-03 02:50:12,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5103 states. [2022-11-03 02:50:12,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5103 to 5103. [2022-11-03 02:50:12,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5103 states, 2947 states have (on average 1.2290464879538514) internal successors, (3622), 3078 states have internal predecessors, (3622), 1670 states have call successors, (1670), 463 states have call predecessors, (1670), 461 states have return successors, (1668), 1639 states have call predecessors, (1668), 1668 states have call successors, (1668) [2022-11-03 02:50:12,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5103 states to 5103 states and 6960 transitions. [2022-11-03 02:50:12,803 INFO L78 Accepts]: Start accepts. Automaton has 5103 states and 6960 transitions. Word has length 72 [2022-11-03 02:50:12,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:50:12,805 INFO L495 AbstractCegarLoop]: Abstraction has 5103 states and 6960 transitions. [2022-11-03 02:50:12,806 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) [2022-11-03 02:50:12,806 INFO L276 IsEmpty]: Start isEmpty. Operand 5103 states and 6960 transitions. [2022-11-03 02:50:12,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-03 02:50:12,807 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:50:12,807 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] [2022-11-03 02:50:12,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 02:50:12,808 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)] === [2022-11-03 02:50:12,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:50:12,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1061305526, now seen corresponding path program 1 times [2022-11-03 02:50:12,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:50:12,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95431904] [2022-11-03 02:50:12,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:12,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:50:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:13,205 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-03 02:50:13,206 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:50:13,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95431904] [2022-11-03 02:50:13,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95431904] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:50:13,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:50:13,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:50:13,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345301436] [2022-11-03 02:50:13,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:50:13,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:50:13,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:50:13,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:50:13,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:50:13,208 INFO L87 Difference]: Start difference. First operand 5103 states and 6960 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) [2022-11-03 02:50:16,511 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 [] [2022-11-03 02:50:18,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:50:18,151 INFO L93 Difference]: Finished difference Result 11322 states and 15379 transitions. [2022-11-03 02:50:18,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:50:18,151 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 [2022-11-03 02:50:18,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:50:18,186 INFO L225 Difference]: With dead ends: 11322 [2022-11-03 02:50:18,187 INFO L226 Difference]: Without dead ends: 6237 [2022-11-03 02:50:18,208 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 [2022-11-03 02:50:18,208 INFO L413 NwaCegarLoop]: 3221 mSDtfsCounter, 2355 mSDsluCounter, 2294 mSDsCounter, 0 mSdLazyCounter, 722 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2355 SdHoareTripleChecker+Valid, 5210 SdHoareTripleChecker+Invalid, 723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:50:18,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2355 Valid, 5210 Invalid, 723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 722 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-11-03 02:50:18,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6237 states. [2022-11-03 02:50:18,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6237 to 6223. [2022-11-03 02:50:18,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6223 states, 3592 states have (on average 1.2235523385300668) internal successors, (4395), 3738 states have internal predecessors, (4395), 2021 states have call successors, (2021), 587 states have call predecessors, (2021), 585 states have return successors, (2019), 1988 states have call predecessors, (2019), 2019 states have call successors, (2019) [2022-11-03 02:50:18,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6223 states to 6223 states and 8435 transitions. [2022-11-03 02:50:18,635 INFO L78 Accepts]: Start accepts. Automaton has 6223 states and 8435 transitions. Word has length 89 [2022-11-03 02:50:18,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:50:18,637 INFO L495 AbstractCegarLoop]: Abstraction has 6223 states and 8435 transitions. [2022-11-03 02:50:18,637 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) [2022-11-03 02:50:18,637 INFO L276 IsEmpty]: Start isEmpty. Operand 6223 states and 8435 transitions. [2022-11-03 02:50:18,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-03 02:50:18,642 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:50:18,642 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] [2022-11-03 02:50:18,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 02:50:18,642 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)] === [2022-11-03 02:50:18,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:50:18,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1766399529, now seen corresponding path program 1 times [2022-11-03 02:50:18,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:50:18,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391982240] [2022-11-03 02:50:18,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:18,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:50:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:19,119 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:50:19,119 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:50:19,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391982240] [2022-11-03 02:50:19,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391982240] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:50:19,120 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:50:19,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:50:19,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688498839] [2022-11-03 02:50:19,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:50:19,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:50:19,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:50:19,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:50:19,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:50:19,122 INFO L87 Difference]: Start difference. First operand 6223 states and 8435 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) [2022-11-03 02:50:21,964 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 [] [2022-11-03 02:50:24,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:26,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:50:26,844 INFO L93 Difference]: Finished difference Result 6223 states and 8435 transitions. [2022-11-03 02:50:26,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:50:26,845 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 [2022-11-03 02:50:26,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:50:26,878 INFO L225 Difference]: With dead ends: 6223 [2022-11-03 02:50:26,878 INFO L226 Difference]: Without dead ends: 6221 [2022-11-03 02:50:26,884 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 [2022-11-03 02:50:26,885 INFO L413 NwaCegarLoop]: 2771 mSDtfsCounter, 3142 mSDsluCounter, 3165 mSDsCounter, 0 mSdLazyCounter, 790 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3144 SdHoareTripleChecker+Valid, 5542 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 790 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:50:26,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3144 Valid, 5542 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 790 Invalid, 1 Unknown, 0 Unchecked, 7.3s Time] [2022-11-03 02:50:26,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6221 states. [2022-11-03 02:50:27,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6221 to 6221. [2022-11-03 02:50:27,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6221 states, 3591 states have (on average 1.2233361180729603) internal successors, (4393), 3736 states have internal predecessors, (4393), 2021 states have call successors, (2021), 587 states have call predecessors, (2021), 585 states have return successors, (2019), 1988 states have call predecessors, (2019), 2019 states have call successors, (2019) [2022-11-03 02:50:27,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6221 states to 6221 states and 8433 transitions. [2022-11-03 02:50:27,429 INFO L78 Accepts]: Start accepts. Automaton has 6221 states and 8433 transitions. Word has length 77 [2022-11-03 02:50:27,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:50:27,429 INFO L495 AbstractCegarLoop]: Abstraction has 6221 states and 8433 transitions. [2022-11-03 02:50:27,430 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) [2022-11-03 02:50:27,430 INFO L276 IsEmpty]: Start isEmpty. Operand 6221 states and 8433 transitions. [2022-11-03 02:50:27,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-03 02:50:27,431 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:50:27,431 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] [2022-11-03 02:50:27,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 02:50:27,432 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)] === [2022-11-03 02:50:27,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:50:27,432 INFO L85 PathProgramCache]: Analyzing trace with hash -116437013, now seen corresponding path program 1 times [2022-11-03 02:50:27,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:50:27,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130474025] [2022-11-03 02:50:27,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:27,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:50:27,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:27,914 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-11-03 02:50:27,915 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:50:27,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130474025] [2022-11-03 02:50:27,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130474025] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:50:27,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864687576] [2022-11-03 02:50:27,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:27,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:50:27,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:50:27,922 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:50:27,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:50:29,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:29,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 3072 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:50:29,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:50:29,608 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-03 02:50:29,609 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:50:29,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1864687576] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:50:29,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:50:29,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-11-03 02:50:29,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388795420] [2022-11-03 02:50:29,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:50:29,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:50:29,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:50:29,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:50:29,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:50:29,613 INFO L87 Difference]: Start difference. First operand 6221 states and 8433 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) [2022-11-03 02:50:30,883 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 [] [2022-11-03 02:50:33,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:50:33,030 INFO L93 Difference]: Finished difference Result 12416 states and 16828 transitions. [2022-11-03 02:50:33,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:50:33,031 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 [2022-11-03 02:50:33,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:50:33,058 INFO L225 Difference]: With dead ends: 12416 [2022-11-03 02:50:33,058 INFO L226 Difference]: Without dead ends: 6213 [2022-11-03 02:50:33,083 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 [2022-11-03 02:50:33,084 INFO L413 NwaCegarLoop]: 2767 mSDtfsCounter, 3148 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3148 SdHoareTripleChecker+Valid, 2767 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:50:33,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3148 Valid, 2767 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-03 02:50:33,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6213 states. [2022-11-03 02:50:33,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6213 to 6213. [2022-11-03 02:50:33,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6213 states, 3584 states have (on average 1.2220982142857142) internal successors, (4380), 3728 states have internal predecessors, (4380), 2021 states have call successors, (2021), 587 states have call predecessors, (2021), 585 states have return successors, (2019), 1988 states have call predecessors, (2019), 2019 states have call successors, (2019) [2022-11-03 02:50:33,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6213 states to 6213 states and 8420 transitions. [2022-11-03 02:50:33,571 INFO L78 Accepts]: Start accepts. Automaton has 6213 states and 8420 transitions. Word has length 94 [2022-11-03 02:50:33,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:50:33,571 INFO L495 AbstractCegarLoop]: Abstraction has 6213 states and 8420 transitions. [2022-11-03 02:50:33,571 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) [2022-11-03 02:50:33,572 INFO L276 IsEmpty]: Start isEmpty. Operand 6213 states and 8420 transitions. [2022-11-03 02:50:33,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-03 02:50:33,573 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:50:33,573 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] [2022-11-03 02:50:33,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:50:33,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-03 02:50:33,788 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)] === [2022-11-03 02:50:33,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:50:33,789 INFO L85 PathProgramCache]: Analyzing trace with hash 509693202, now seen corresponding path program 1 times [2022-11-03 02:50:33,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:50:33,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681058144] [2022-11-03 02:50:33,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:33,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:50:33,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:34,303 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:50:34,304 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:50:34,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681058144] [2022-11-03 02:50:34,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681058144] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:50:34,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:50:34,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:50:34,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340376643] [2022-11-03 02:50:34,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:50:34,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:50:34,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:50:34,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:50:34,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:50:34,306 INFO L87 Difference]: Start difference. First operand 6213 states and 8420 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) [2022-11-03 02:50:36,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:39,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:42,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:44,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:47,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:50:47,355 INFO L93 Difference]: Finished difference Result 6364 states and 8580 transitions. [2022-11-03 02:50:47,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:50:47,355 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 [2022-11-03 02:50:47,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:50:47,386 INFO L225 Difference]: With dead ends: 6364 [2022-11-03 02:50:47,386 INFO L226 Difference]: Without dead ends: 6362 [2022-11-03 02:50:47,392 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 [2022-11-03 02:50:47,395 INFO L413 NwaCegarLoop]: 4315 mSDtfsCounter, 2062 mSDsluCounter, 8034 mSDsCounter, 0 mSdLazyCounter, 1579 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2064 SdHoareTripleChecker+Valid, 11366 SdHoareTripleChecker+Invalid, 1582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1579 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:50:47,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2064 Valid, 11366 Invalid, 1582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1579 Invalid, 2 Unknown, 0 Unchecked, 12.6s Time] [2022-11-03 02:50:47,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6362 states. [2022-11-03 02:50:47,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6362 to 6251. [2022-11-03 02:50:47,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6251 states, 3604 states have (on average 1.2211431742508325) internal successors, (4401), 3748 states have internal predecessors, (4401), 2033 states have call successors, (2033), 593 states have call predecessors, (2033), 591 states have return successors, (2031), 2000 states have call predecessors, (2031), 2031 states have call successors, (2031) [2022-11-03 02:50:47,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6251 states to 6251 states and 8465 transitions. [2022-11-03 02:50:47,962 INFO L78 Accepts]: Start accepts. Automaton has 6251 states and 8465 transitions. Word has length 82 [2022-11-03 02:50:47,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:50:47,963 INFO L495 AbstractCegarLoop]: Abstraction has 6251 states and 8465 transitions. [2022-11-03 02:50:47,963 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) [2022-11-03 02:50:47,963 INFO L276 IsEmpty]: Start isEmpty. Operand 6251 states and 8465 transitions. [2022-11-03 02:50:47,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-03 02:50:47,965 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:50:47,965 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] [2022-11-03 02:50:47,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-03 02:50:47,965 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)] === [2022-11-03 02:50:47,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:50:47,966 INFO L85 PathProgramCache]: Analyzing trace with hash 189083061, now seen corresponding path program 1 times [2022-11-03 02:50:47,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:50:47,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449321967] [2022-11-03 02:50:47,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:47,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:50:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:48,442 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:50:48,443 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:50:48,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449321967] [2022-11-03 02:50:48,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449321967] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:50:48,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:50:48,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:50:48,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802621063] [2022-11-03 02:50:48,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:50:48,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:50:48,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:50:48,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:50:48,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:50:48,446 INFO L87 Difference]: Start difference. First operand 6251 states and 8465 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) [2022-11-03 02:50:50,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:52,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:55,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:50:55,295 INFO L93 Difference]: Finished difference Result 6259 states and 8500 transitions. [2022-11-03 02:50:55,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:50:55,295 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 [2022-11-03 02:50:55,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:50:55,318 INFO L225 Difference]: With dead ends: 6259 [2022-11-03 02:50:55,319 INFO L226 Difference]: Without dead ends: 6257 [2022-11-03 02:50:55,322 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 [2022-11-03 02:50:55,323 INFO L413 NwaCegarLoop]: 2765 mSDtfsCounter, 3130 mSDsluCounter, 3160 mSDsCounter, 0 mSdLazyCounter, 792 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3145 SdHoareTripleChecker+Valid, 5530 SdHoareTripleChecker+Invalid, 793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 792 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:50:55,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3145 Valid, 5530 Invalid, 793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 792 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2022-11-03 02:50:55,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6257 states. [2022-11-03 02:50:55,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6257 to 6249. [2022-11-03 02:50:55,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6249 states, 3603 states have (on average 1.2206494587843464) internal successors, (4398), 3746 states have internal predecessors, (4398), 2033 states have call successors, (2033), 593 states have call predecessors, (2033), 591 states have return successors, (2031), 2000 states have call predecessors, (2031), 2031 states have call successors, (2031) [2022-11-03 02:50:55,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6249 states to 6249 states and 8462 transitions. [2022-11-03 02:50:55,833 INFO L78 Accepts]: Start accepts. Automaton has 6249 states and 8462 transitions. Word has length 84 [2022-11-03 02:50:55,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:50:55,834 INFO L495 AbstractCegarLoop]: Abstraction has 6249 states and 8462 transitions. [2022-11-03 02:50:55,834 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) [2022-11-03 02:50:55,834 INFO L276 IsEmpty]: Start isEmpty. Operand 6249 states and 8462 transitions. [2022-11-03 02:50:55,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-03 02:50:55,836 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:50:55,836 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] [2022-11-03 02:50:55,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-03 02:50:55,836 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)] === [2022-11-03 02:50:55,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:50:55,837 INFO L85 PathProgramCache]: Analyzing trace with hash -2063761218, now seen corresponding path program 1 times [2022-11-03 02:50:55,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:50:55,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268895714] [2022-11-03 02:50:55,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:55,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:50:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:56,321 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:50:56,321 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:50:56,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268895714] [2022-11-03 02:50:56,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268895714] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:50:56,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:50:56,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:50:56,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91971804] [2022-11-03 02:50:56,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:50:56,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:50:56,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:50:56,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:50:56,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:50:56,324 INFO L87 Difference]: Start difference. First operand 6249 states and 8462 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) [2022-11-03 02:50:58,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:51:00,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:51:01,816 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 [] [2022-11-03 02:51:04,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:51:04,599 INFO L93 Difference]: Finished difference Result 6249 states and 8462 transitions. [2022-11-03 02:51:04,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:51:04,600 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 [2022-11-03 02:51:04,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:51:04,618 INFO L225 Difference]: With dead ends: 6249 [2022-11-03 02:51:04,618 INFO L226 Difference]: Without dead ends: 6247 [2022-11-03 02:51:04,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:51:04,622 INFO L413 NwaCegarLoop]: 2762 mSDtfsCounter, 3131 mSDsluCounter, 3156 mSDsCounter, 0 mSdLazyCounter, 790 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3133 SdHoareTripleChecker+Valid, 5524 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 790 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:51:04,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3133 Valid, 5524 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 790 Invalid, 1 Unknown, 0 Unchecked, 7.8s Time] [2022-11-03 02:51:04,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6247 states. [2022-11-03 02:51:05,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6247 to 6247. [2022-11-03 02:51:05,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6247 states, 3602 states have (on average 1.2204330927262632) internal successors, (4396), 3744 states have internal predecessors, (4396), 2033 states have call successors, (2033), 593 states have call predecessors, (2033), 591 states have return successors, (2031), 2000 states have call predecessors, (2031), 2031 states have call successors, (2031) [2022-11-03 02:51:05,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6247 states to 6247 states and 8460 transitions. [2022-11-03 02:51:05,199 INFO L78 Accepts]: Start accepts. Automaton has 6247 states and 8460 transitions. Word has length 89 [2022-11-03 02:51:05,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:51:05,200 INFO L495 AbstractCegarLoop]: Abstraction has 6247 states and 8460 transitions. [2022-11-03 02:51:05,200 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) [2022-11-03 02:51:05,201 INFO L276 IsEmpty]: Start isEmpty. Operand 6247 states and 8460 transitions. [2022-11-03 02:51:05,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-03 02:51:05,205 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:51:05,205 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] [2022-11-03 02:51:05,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-03 02:51:05,206 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)] === [2022-11-03 02:51:05,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:51:05,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1282670593, now seen corresponding path program 1 times [2022-11-03 02:51:05,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:51:05,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197167839] [2022-11-03 02:51:05,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:51:05,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:51:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:51:05,650 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:51:05,651 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:51:05,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197167839] [2022-11-03 02:51:05,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197167839] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:51:05,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:51:05,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:51:05,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346318939] [2022-11-03 02:51:05,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:51:05,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:51:05,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:51:05,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:51:05,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:51:05,653 INFO L87 Difference]: Start difference. First operand 6247 states and 8460 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) [2022-11-03 02:51:09,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:51:09,901 INFO L93 Difference]: Finished difference Result 6247 states and 8460 transitions. [2022-11-03 02:51:09,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:51:09,902 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 [2022-11-03 02:51:09,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:51:09,925 INFO L225 Difference]: With dead ends: 6247 [2022-11-03 02:51:09,926 INFO L226 Difference]: Without dead ends: 6245 [2022-11-03 02:51:09,930 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 [2022-11-03 02:51:09,931 INFO L413 NwaCegarLoop]: 2760 mSDtfsCounter, 3128 mSDsluCounter, 3154 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3130 SdHoareTripleChecker+Valid, 5520 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:51:09,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3130 Valid, 5520 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-11-03 02:51:09,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6245 states. [2022-11-03 02:51:10,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6245 to 6245. [2022-11-03 02:51:10,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6245 states, 3601 states have (on average 1.220216606498195) internal successors, (4394), 3742 states have internal predecessors, (4394), 2033 states have call successors, (2033), 593 states have call predecessors, (2033), 591 states have return successors, (2031), 2000 states have call predecessors, (2031), 2031 states have call successors, (2031) [2022-11-03 02:51:10,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6245 states to 6245 states and 8458 transitions. [2022-11-03 02:51:10,549 INFO L78 Accepts]: Start accepts. Automaton has 6245 states and 8458 transitions. Word has length 94 [2022-11-03 02:51:10,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:51:10,549 INFO L495 AbstractCegarLoop]: Abstraction has 6245 states and 8458 transitions. [2022-11-03 02:51:10,549 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) [2022-11-03 02:51:10,549 INFO L276 IsEmpty]: Start isEmpty. Operand 6245 states and 8458 transitions. [2022-11-03 02:51:10,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-03 02:51:10,550 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:51:10,550 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] [2022-11-03 02:51:10,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-03 02:51:10,551 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)] === [2022-11-03 02:51:10,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:51:10,551 INFO L85 PathProgramCache]: Analyzing trace with hash -2031698941, now seen corresponding path program 1 times [2022-11-03 02:51:10,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:51:10,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861052140] [2022-11-03 02:51:10,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:51:10,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:51:10,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:51:11,008 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:51:11,009 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:51:11,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861052140] [2022-11-03 02:51:11,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861052140] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:51:11,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:51:11,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:51:11,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342910661] [2022-11-03 02:51:11,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:51:11,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:51:11,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:51:11,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:51:11,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:51:11,012 INFO L87 Difference]: Start difference. First operand 6245 states and 8458 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) [2022-11-03 02:51:16,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:51:16,296 INFO L93 Difference]: Finished difference Result 6245 states and 8458 transitions. [2022-11-03 02:51:16,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:51:16,297 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 [2022-11-03 02:51:16,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:51:16,313 INFO L225 Difference]: With dead ends: 6245 [2022-11-03 02:51:16,313 INFO L226 Difference]: Without dead ends: 6243 [2022-11-03 02:51:16,316 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 [2022-11-03 02:51:16,317 INFO L413 NwaCegarLoop]: 2758 mSDtfsCounter, 3125 mSDsluCounter, 3152 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3127 SdHoareTripleChecker+Valid, 5516 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:51:16,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3127 Valid, 5516 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-11-03 02:51:16,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6243 states. [2022-11-03 02:51:16,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6243 to 6243. [2022-11-03 02:51:16,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6243 states, 3600 states have (on average 1.22) internal successors, (4392), 3740 states have internal predecessors, (4392), 2033 states have call successors, (2033), 593 states have call predecessors, (2033), 591 states have return successors, (2031), 2000 states have call predecessors, (2031), 2031 states have call successors, (2031) [2022-11-03 02:51:16,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6243 states to 6243 states and 8456 transitions. [2022-11-03 02:51:16,792 INFO L78 Accepts]: Start accepts. Automaton has 6243 states and 8456 transitions. Word has length 99 [2022-11-03 02:51:16,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:51:16,793 INFO L495 AbstractCegarLoop]: Abstraction has 6243 states and 8456 transitions. [2022-11-03 02:51:16,793 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) [2022-11-03 02:51:16,793 INFO L276 IsEmpty]: Start isEmpty. Operand 6243 states and 8456 transitions. [2022-11-03 02:51:16,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-03 02:51:16,795 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:51:16,795 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] [2022-11-03 02:51:16,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-03 02:51:16,796 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)] === [2022-11-03 02:51:16,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:51:16,796 INFO L85 PathProgramCache]: Analyzing trace with hash 245048247, now seen corresponding path program 1 times [2022-11-03 02:51:16,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:51:16,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935505631] [2022-11-03 02:51:16,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:51:16,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:51:16,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:51:17,218 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:51:17,219 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:51:17,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935505631] [2022-11-03 02:51:17,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935505631] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:51:17,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:51:17,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:51:17,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644554422] [2022-11-03 02:51:17,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:51:17,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:51:17,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:51:17,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:51:17,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:51:17,221 INFO L87 Difference]: Start difference. First operand 6243 states and 8456 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) [2022-11-03 02:51:19,435 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 [] [2022-11-03 02:51:24,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:51:27,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:51:27,621 INFO L93 Difference]: Finished difference Result 6346 states and 8562 transitions. [2022-11-03 02:51:27,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:51:27,622 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 [2022-11-03 02:51:27,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:51:27,639 INFO L225 Difference]: With dead ends: 6346 [2022-11-03 02:51:27,639 INFO L226 Difference]: Without dead ends: 6344 [2022-11-03 02:51:27,642 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 [2022-11-03 02:51:27,643 INFO L413 NwaCegarLoop]: 4307 mSDtfsCounter, 2040 mSDsluCounter, 8022 mSDsCounter, 0 mSdLazyCounter, 1579 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2042 SdHoareTripleChecker+Valid, 11346 SdHoareTripleChecker+Invalid, 1582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1579 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:51:27,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2042 Valid, 11346 Invalid, 1582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1579 Invalid, 2 Unknown, 0 Unchecked, 9.8s Time] [2022-11-03 02:51:27,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6344 states. [2022-11-03 02:51:28,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6344 to 6267. [2022-11-03 02:51:28,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6267 states, 3612 states have (on average 1.2192691029900333) internal successors, (4404), 3752 states have internal predecessors, (4404), 2041 states have call successors, (2041), 597 states have call predecessors, (2041), 595 states have return successors, (2039), 2008 states have call predecessors, (2039), 2039 states have call successors, (2039) [2022-11-03 02:51:28,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6267 states to 6267 states and 8484 transitions. [2022-11-03 02:51:28,277 INFO L78 Accepts]: Start accepts. Automaton has 6267 states and 8484 transitions. Word has length 104 [2022-11-03 02:51:28,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:51:28,277 INFO L495 AbstractCegarLoop]: Abstraction has 6267 states and 8484 transitions. [2022-11-03 02:51:28,277 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) [2022-11-03 02:51:28,278 INFO L276 IsEmpty]: Start isEmpty. Operand 6267 states and 8484 transitions. [2022-11-03 02:51:28,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-03 02:51:28,280 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:51:28,280 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] [2022-11-03 02:51:28,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-03 02:51:28,280 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)] === [2022-11-03 02:51:28,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:51:28,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1698068033, now seen corresponding path program 1 times [2022-11-03 02:51:28,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:51:28,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677261061] [2022-11-03 02:51:28,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:51:28,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:51:28,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:51:28,729 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:51:28,729 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:51:28,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677261061] [2022-11-03 02:51:28,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677261061] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:51:28,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:51:28,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:51:28,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787888398] [2022-11-03 02:51:28,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:51:28,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:51:28,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:51:28,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:51:28,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:51:28,731 INFO L87 Difference]: Start difference. First operand 6267 states and 8484 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) [2022-11-03 02:51:30,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:51:32,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:51:35,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:51:35,102 INFO L93 Difference]: Finished difference Result 6267 states and 8484 transitions. [2022-11-03 02:51:35,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:51:35,102 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 [2022-11-03 02:51:35,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:51:35,121 INFO L225 Difference]: With dead ends: 6267 [2022-11-03 02:51:35,121 INFO L226 Difference]: Without dead ends: 6265 [2022-11-03 02:51:35,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:51:35,124 INFO L413 NwaCegarLoop]: 2756 mSDtfsCounter, 3121 mSDsluCounter, 3150 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3123 SdHoareTripleChecker+Valid, 5512 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:51:35,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3123 Valid, 5512 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-11-03 02:51:35,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6265 states. [2022-11-03 02:51:35,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6265 to 6265. [2022-11-03 02:51:35,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6265 states, 3611 states have (on average 1.2190528939351981) internal successors, (4402), 3750 states have internal predecessors, (4402), 2041 states have call successors, (2041), 597 states have call predecessors, (2041), 595 states have return successors, (2039), 2008 states have call predecessors, (2039), 2039 states have call successors, (2039) [2022-11-03 02:51:35,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6265 states to 6265 states and 8482 transitions. [2022-11-03 02:51:35,638 INFO L78 Accepts]: Start accepts. Automaton has 6265 states and 8482 transitions. Word has length 109 [2022-11-03 02:51:35,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:51:35,638 INFO L495 AbstractCegarLoop]: Abstraction has 6265 states and 8482 transitions. [2022-11-03 02:51:35,638 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) [2022-11-03 02:51:35,639 INFO L276 IsEmpty]: Start isEmpty. Operand 6265 states and 8482 transitions. [2022-11-03 02:51:35,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-03 02:51:35,641 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:51:35,641 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] [2022-11-03 02:51:35,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-03 02:51:35,641 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)] === [2022-11-03 02:51:35,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:51:35,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1551637311, now seen corresponding path program 1 times [2022-11-03 02:51:35,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:51:35,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056977915] [2022-11-03 02:51:35,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:51:35,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:51:35,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:51:36,102 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:51:36,102 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:51:36,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056977915] [2022-11-03 02:51:36,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056977915] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:51:36,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:51:36,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:51:36,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047140366] [2022-11-03 02:51:36,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:51:36,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:51:36,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:51:36,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:51:36,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:51:36,105 INFO L87 Difference]: Start difference. First operand 6265 states and 8482 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) [2022-11-03 02:51:38,335 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 [] [2022-11-03 02:51:43,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:51:45,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:51:48,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:51:48,416 INFO L93 Difference]: Finished difference Result 6340 states and 8556 transitions. [2022-11-03 02:51:48,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:51:48,417 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 [2022-11-03 02:51:48,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:51:48,434 INFO L225 Difference]: With dead ends: 6340 [2022-11-03 02:51:48,434 INFO L226 Difference]: Without dead ends: 6338 [2022-11-03 02:51:48,437 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 [2022-11-03 02:51:48,438 INFO L413 NwaCegarLoop]: 4305 mSDtfsCounter, 2034 mSDsluCounter, 8018 mSDsCounter, 0 mSdLazyCounter, 1580 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2036 SdHoareTripleChecker+Valid, 11340 SdHoareTripleChecker+Invalid, 1582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1580 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:51:48,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2036 Valid, 11340 Invalid, 1582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1580 Invalid, 1 Unknown, 0 Unchecked, 11.7s Time] [2022-11-03 02:51:48,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6338 states. [2022-11-03 02:51:48,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6338 to 6277. [2022-11-03 02:51:48,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6277 states, 3617 states have (on average 1.2186895217030689) internal successors, (4408), 3756 states have internal predecessors, (4408), 2045 states have call successors, (2045), 599 states have call predecessors, (2045), 597 states have return successors, (2043), 2012 states have call predecessors, (2043), 2043 states have call successors, (2043) [2022-11-03 02:51:48,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6277 states to 6277 states and 8496 transitions. [2022-11-03 02:51:48,949 INFO L78 Accepts]: Start accepts. Automaton has 6277 states and 8496 transitions. Word has length 114 [2022-11-03 02:51:48,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:51:48,950 INFO L495 AbstractCegarLoop]: Abstraction has 6277 states and 8496 transitions. [2022-11-03 02:51:48,950 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) [2022-11-03 02:51:48,950 INFO L276 IsEmpty]: Start isEmpty. Operand 6277 states and 8496 transitions. [2022-11-03 02:51:48,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-03 02:51:48,952 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:51:48,952 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] [2022-11-03 02:51:48,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-03 02:51:48,953 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)] === [2022-11-03 02:51:48,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:51:48,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1167613232, now seen corresponding path program 1 times [2022-11-03 02:51:48,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:51:48,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019145487] [2022-11-03 02:51:48,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:51:48,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:51:49,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:51:49,672 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:51:49,672 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:51:49,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019145487] [2022-11-03 02:51:49,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019145487] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:51:49,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:51:49,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:51:49,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934020040] [2022-11-03 02:51:49,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:51:49,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:51:49,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:51:49,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:51:49,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:51:49,675 INFO L87 Difference]: Start difference. First operand 6277 states and 8496 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) [2022-11-03 02:51:53,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:51:54,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:51:57,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:51:57,639 INFO L93 Difference]: Finished difference Result 6277 states and 8496 transitions. [2022-11-03 02:51:57,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:51:57,639 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 [2022-11-03 02:51:57,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:51:57,658 INFO L225 Difference]: With dead ends: 6277 [2022-11-03 02:51:57,658 INFO L226 Difference]: Without dead ends: 6275 [2022-11-03 02:51:57,661 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 [2022-11-03 02:51:57,662 INFO L413 NwaCegarLoop]: 2754 mSDtfsCounter, 3117 mSDsluCounter, 3148 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3119 SdHoareTripleChecker+Valid, 5508 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:51:57,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3119 Valid, 5508 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2022-11-03 02:51:57,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6275 states. [2022-11-03 02:51:58,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6275 to 6275. [2022-11-03 02:51:58,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6275 states, 3616 states have (on average 1.2184734513274336) internal successors, (4406), 3754 states have internal predecessors, (4406), 2045 states have call successors, (2045), 599 states have call predecessors, (2045), 597 states have return successors, (2043), 2012 states have call predecessors, (2043), 2043 states have call successors, (2043) [2022-11-03 02:51:58,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6275 states to 6275 states and 8494 transitions. [2022-11-03 02:51:58,310 INFO L78 Accepts]: Start accepts. Automaton has 6275 states and 8494 transitions. Word has length 119 [2022-11-03 02:51:58,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:51:58,310 INFO L495 AbstractCegarLoop]: Abstraction has 6275 states and 8494 transitions. [2022-11-03 02:51:58,311 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) [2022-11-03 02:51:58,311 INFO L276 IsEmpty]: Start isEmpty. Operand 6275 states and 8494 transitions. [2022-11-03 02:51:58,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-03 02:51:58,313 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:51:58,313 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] [2022-11-03 02:51:58,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-03 02:51:58,314 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)] === [2022-11-03 02:51:58,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:51:58,314 INFO L85 PathProgramCache]: Analyzing trace with hash 979215550, now seen corresponding path program 1 times [2022-11-03 02:51:58,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:51:58,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300589475] [2022-11-03 02:51:58,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:51:58,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:51:58,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:51:58,775 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:51:58,775 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:51:58,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300589475] [2022-11-03 02:51:58,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300589475] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:51:58,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:51:58,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:51:58,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204779549] [2022-11-03 02:51:58,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:51:58,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:51:58,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:51:58,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:51:58,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:51:58,780 INFO L87 Difference]: Start difference. First operand 6275 states and 8494 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) [2022-11-03 02:52:01,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:52:02,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:52:04,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:52:08,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:52:12,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:52:12,194 INFO L93 Difference]: Finished difference Result 6338 states and 8564 transitions. [2022-11-03 02:52:12,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:52:12,194 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 [2022-11-03 02:52:12,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:52:12,212 INFO L225 Difference]: With dead ends: 6338 [2022-11-03 02:52:12,212 INFO L226 Difference]: Without dead ends: 6336 [2022-11-03 02:52:12,216 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 [2022-11-03 02:52:12,216 INFO L413 NwaCegarLoop]: 4304 mSDtfsCounter, 2026 mSDsluCounter, 8014 mSDsCounter, 0 mSdLazyCounter, 1578 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2034 SdHoareTripleChecker+Valid, 11336 SdHoareTripleChecker+Invalid, 1581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1578 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:52:12,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2034 Valid, 11336 Invalid, 1581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1578 Invalid, 2 Unknown, 0 Unchecked, 12.7s Time] [2022-11-03 02:52:12,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6336 states. [2022-11-03 02:52:12,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6336 to 6287. [2022-11-03 02:52:12,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6287 states, 3622 states have (on average 1.218111540585312) internal successors, (4412), 3760 states have internal predecessors, (4412), 2049 states have call successors, (2049), 601 states have call predecessors, (2049), 599 states have return successors, (2047), 2016 states have call predecessors, (2047), 2047 states have call successors, (2047) [2022-11-03 02:52:12,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6287 states to 6287 states and 8508 transitions. [2022-11-03 02:52:12,866 INFO L78 Accepts]: Start accepts. Automaton has 6287 states and 8508 transitions. Word has length 124 [2022-11-03 02:52:12,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:52:12,867 INFO L495 AbstractCegarLoop]: Abstraction has 6287 states and 8508 transitions. [2022-11-03 02:52:12,867 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) [2022-11-03 02:52:12,867 INFO L276 IsEmpty]: Start isEmpty. Operand 6287 states and 8508 transitions. [2022-11-03 02:52:12,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-03 02:52:12,868 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:52:12,869 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] [2022-11-03 02:52:12,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-03 02:52:12,869 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)] === [2022-11-03 02:52:12,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:52:12,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1834713284, now seen corresponding path program 1 times [2022-11-03 02:52:12,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:52:12,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876754999] [2022-11-03 02:52:12,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:52:12,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:52:12,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:52:13,287 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:52:13,288 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:52:13,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876754999] [2022-11-03 02:52:13,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876754999] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:52:13,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:52:13,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:52:13,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241313654] [2022-11-03 02:52:13,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:52:13,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:52:13,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:52:13,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:52:13,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:52:13,290 INFO L87 Difference]: Start difference. First operand 6287 states and 8508 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) [2022-11-03 02:52:14,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:52:16,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:52:20,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:52:20,936 INFO L93 Difference]: Finished difference Result 6287 states and 8508 transitions. [2022-11-03 02:52:20,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:52:20,937 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 [2022-11-03 02:52:20,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:52:20,962 INFO L225 Difference]: With dead ends: 6287 [2022-11-03 02:52:20,963 INFO L226 Difference]: Without dead ends: 6285 [2022-11-03 02:52:20,967 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 [2022-11-03 02:52:20,968 INFO L413 NwaCegarLoop]: 2752 mSDtfsCounter, 3113 mSDsluCounter, 3146 mSDsCounter, 0 mSdLazyCounter, 790 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3115 SdHoareTripleChecker+Valid, 5504 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 790 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:52:20,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3115 Valid, 5504 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 790 Invalid, 1 Unknown, 0 Unchecked, 7.0s Time] [2022-11-03 02:52:20,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6285 states. [2022-11-03 02:52:21,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6285 to 6285. [2022-11-03 02:52:21,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6285 states, 3621 states have (on average 1.2178956089478046) internal successors, (4410), 3758 states have internal predecessors, (4410), 2049 states have call successors, (2049), 601 states have call predecessors, (2049), 599 states have return successors, (2047), 2016 states have call predecessors, (2047), 2047 states have call successors, (2047) [2022-11-03 02:52:21,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6285 states to 6285 states and 8506 transitions. [2022-11-03 02:52:21,508 INFO L78 Accepts]: Start accepts. Automaton has 6285 states and 8506 transitions. Word has length 129 [2022-11-03 02:52:21,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:52:21,508 INFO L495 AbstractCegarLoop]: Abstraction has 6285 states and 8506 transitions. [2022-11-03 02:52:21,508 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) [2022-11-03 02:52:21,508 INFO L276 IsEmpty]: Start isEmpty. Operand 6285 states and 8506 transitions. [2022-11-03 02:52:21,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-03 02:52:21,510 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:52:21,511 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] [2022-11-03 02:52:21,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-03 02:52:21,511 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)] === [2022-11-03 02:52:21,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:52:21,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1198184820, now seen corresponding path program 1 times [2022-11-03 02:52:21,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:52:21,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360018111] [2022-11-03 02:52:21,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:52:21,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:52:21,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:52:22,243 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2022-11-03 02:52:22,243 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:52:22,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360018111] [2022-11-03 02:52:22,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360018111] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:52:22,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:52:22,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:52:22,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529919853] [2022-11-03 02:52:22,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:52:22,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:52:22,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:52:22,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:52:22,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:52:22,248 INFO L87 Difference]: Start difference. First operand 6285 states and 8506 transitions. Second operand has 6 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2022-11-03 02:52:24,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:52:27,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:52:34,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:52:34,983 INFO L93 Difference]: Finished difference Result 10325 states and 14199 transitions. [2022-11-03 02:52:34,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:52:34,983 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) Word has length 144 [2022-11-03 02:52:34,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:52:35,003 INFO L225 Difference]: With dead ends: 10325 [2022-11-03 02:52:35,004 INFO L226 Difference]: Without dead ends: 6947 [2022-11-03 02:52:35,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:52:35,022 INFO L413 NwaCegarLoop]: 3678 mSDtfsCounter, 525 mSDsluCounter, 15912 mSDsCounter, 0 mSdLazyCounter, 2517 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 821 SdHoareTripleChecker+Valid, 17654 SdHoareTripleChecker+Invalid, 2528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2517 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:52:35,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [821 Valid, 17654 Invalid, 2528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 2517 Invalid, 1 Unknown, 0 Unchecked, 11.7s Time] [2022-11-03 02:52:35,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6947 states. [2022-11-03 02:52:35,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6947 to 6289. [2022-11-03 02:52:35,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6289 states, 3624 states have (on average 1.2177152317880795) internal successors, (4413), 3761 states have internal predecessors, (4413), 2049 states have call successors, (2049), 601 states have call predecessors, (2049), 600 states have return successors, (2059), 2017 states have call predecessors, (2059), 2047 states have call successors, (2059) [2022-11-03 02:52:35,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6289 states to 6289 states and 8521 transitions. [2022-11-03 02:52:35,666 INFO L78 Accepts]: Start accepts. Automaton has 6289 states and 8521 transitions. Word has length 144 [2022-11-03 02:52:35,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:52:35,667 INFO L495 AbstractCegarLoop]: Abstraction has 6289 states and 8521 transitions. [2022-11-03 02:52:35,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2022-11-03 02:52:35,667 INFO L276 IsEmpty]: Start isEmpty. Operand 6289 states and 8521 transitions. [2022-11-03 02:52:35,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-03 02:52:35,670 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:52:35,671 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] [2022-11-03 02:52:35,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-03 02:52:35,671 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)] === [2022-11-03 02:52:35,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:52:35,671 INFO L85 PathProgramCache]: Analyzing trace with hash 394791702, now seen corresponding path program 1 times [2022-11-03 02:52:35,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:52:35,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573486258] [2022-11-03 02:52:35,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:52:35,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:52:35,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:52:36,159 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:52:36,160 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:52:36,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573486258] [2022-11-03 02:52:36,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573486258] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:52:36,160 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:52:36,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:52:36,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100529476] [2022-11-03 02:52:36,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:52:36,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:52:36,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:52:36,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:52:36,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:52:36,163 INFO L87 Difference]: Start difference. First operand 6289 states and 8521 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) [2022-11-03 02:52:38,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:52:40,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:52:42,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:52:47,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:52:50,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:52:50,808 INFO L93 Difference]: Finished difference Result 6332 states and 8559 transitions. [2022-11-03 02:52:50,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:52:50,809 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 [2022-11-03 02:52:50,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:52:50,831 INFO L225 Difference]: With dead ends: 6332 [2022-11-03 02:52:50,832 INFO L226 Difference]: Without dead ends: 6330 [2022-11-03 02:52:50,835 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 [2022-11-03 02:52:50,836 INFO L413 NwaCegarLoop]: 4297 mSDtfsCounter, 2022 mSDsluCounter, 8006 mSDsCounter, 0 mSdLazyCounter, 1578 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2024 SdHoareTripleChecker+Valid, 11320 SdHoareTripleChecker+Invalid, 1582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1578 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:52:50,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2024 Valid, 11320 Invalid, 1582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1578 Invalid, 3 Unknown, 0 Unchecked, 13.8s Time] [2022-11-03 02:52:50,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6330 states. [2022-11-03 02:52:51,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6330 to 6301. [2022-11-03 02:52:51,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6301 states, 3630 states have (on average 1.2173553719008265) internal successors, (4419), 3767 states have internal predecessors, (4419), 2053 states have call successors, (2053), 603 states have call predecessors, (2053), 602 states have return successors, (2063), 2021 states have call predecessors, (2063), 2051 states have call successors, (2063) [2022-11-03 02:52:51,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6301 states to 6301 states and 8535 transitions. [2022-11-03 02:52:51,481 INFO L78 Accepts]: Start accepts. Automaton has 6301 states and 8535 transitions. Word has length 134 [2022-11-03 02:52:51,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:52:51,481 INFO L495 AbstractCegarLoop]: Abstraction has 6301 states and 8535 transitions. [2022-11-03 02:52:51,482 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) [2022-11-03 02:52:51,482 INFO L276 IsEmpty]: Start isEmpty. Operand 6301 states and 8535 transitions. [2022-11-03 02:52:51,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-11-03 02:52:51,486 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:52:51,487 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] [2022-11-03 02:52:51,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-03 02:52:51,487 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)] === [2022-11-03 02:52:51,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:52:51,488 INFO L85 PathProgramCache]: Analyzing trace with hash 228519831, now seen corresponding path program 1 times [2022-11-03 02:52:51,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:52:51,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353888023] [2022-11-03 02:52:51,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:52:51,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:52:51,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:52:53,415 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2022-11-03 02:52:53,415 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:52:53,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353888023] [2022-11-03 02:52:53,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353888023] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:52:53,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [360760104] [2022-11-03 02:52:53,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:52:53,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:52:53,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:52:53,421 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:52:53,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 02:52:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:52:55,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 3439 conjuncts, 44 conjunts are in the unsatisfiable core [2022-11-03 02:52:55,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:52:55,563 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2022-11-03 02:52:55,563 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:52:55,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [360760104] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:52:55,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:52:55,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [8] total 17 [2022-11-03 02:52:55,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038895301] [2022-11-03 02:52:55,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:52:55,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 02:52:55,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:52:55,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 02:52:55,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=239, Unknown=0, NotChecked=0, Total=272 [2022-11-03 02:52:55,565 INFO L87 Difference]: Start difference. First operand 6301 states and 8535 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) [2022-11-03 02:52:58,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:53:00,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:53:02,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:53:04,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:53:19,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:53:19,624 INFO L93 Difference]: Finished difference Result 13048 states and 17839 transitions. [2022-11-03 02:53:19,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-03 02:53:19,625 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 [2022-11-03 02:53:19,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:53:19,647 INFO L225 Difference]: With dead ends: 13048 [2022-11-03 02:53:19,648 INFO L226 Difference]: Without dead ends: 6871 [2022-11-03 02:53:19,676 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 [2022-11-03 02:53:19,677 INFO L413 NwaCegarLoop]: 3019 mSDtfsCounter, 187 mSDsluCounter, 30185 mSDsCounter, 0 mSdLazyCounter, 4603 mSolverCounterSat, 275 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 29605 SdHoareTripleChecker+Invalid, 4879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 275 IncrementalHoareTripleChecker+Valid, 4603 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:53:19,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 29605 Invalid, 4879 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [275 Valid, 4603 Invalid, 1 Unknown, 0 Unchecked, 22.8s Time] [2022-11-03 02:53:19,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6871 states. [2022-11-03 02:53:20,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6871 to 6337. [2022-11-03 02:53:20,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6337 states, 3654 states have (on average 1.215927750410509) internal successors, (4443), 3791 states have internal predecessors, (4443), 2065 states have call successors, (2065), 603 states have call predecessors, (2065), 602 states have return successors, (2075), 2033 states have call predecessors, (2075), 2063 states have call successors, (2075) [2022-11-03 02:53:20,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6337 states to 6337 states and 8583 transitions. [2022-11-03 02:53:20,408 INFO L78 Accepts]: Start accepts. Automaton has 6337 states and 8583 transitions. Word has length 160 [2022-11-03 02:53:20,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:53:20,408 INFO L495 AbstractCegarLoop]: Abstraction has 6337 states and 8583 transitions. [2022-11-03 02:53:20,409 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) [2022-11-03 02:53:20,409 INFO L276 IsEmpty]: Start isEmpty. Operand 6337 states and 8583 transitions. [2022-11-03 02:53:20,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-11-03 02:53:20,412 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:53:20,413 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:53:20,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 02:53:20,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-11-03 02:53:20,622 INFO L420 AbstractCegarLoop]: === Iteration 24 === 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)] === [2022-11-03 02:53:20,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:53:20,622 INFO L85 PathProgramCache]: Analyzing trace with hash 263626427, now seen corresponding path program 1 times [2022-11-03 02:53:20,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:53:20,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956472417] [2022-11-03 02:53:20,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:53:20,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:53:20,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:53:21,980 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2022-11-03 02:53:21,981 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:53:21,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956472417] [2022-11-03 02:53:21,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956472417] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:53:21,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:53:21,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:53:21,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616716379] [2022-11-03 02:53:21,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:53:21,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:53:21,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:53:21,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:53:21,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:53:21,983 INFO L87 Difference]: Start difference. First operand 6337 states and 8583 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2022-11-03 02:53:23,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:53:25,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:53:31,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:53:31,562 INFO L93 Difference]: Finished difference Result 10685 states and 14761 transitions. [2022-11-03 02:53:31,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:53:31,562 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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 153 [2022-11-03 02:53:31,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:53:31,582 INFO L225 Difference]: With dead ends: 10685 [2022-11-03 02:53:31,582 INFO L226 Difference]: Without dead ends: 7265 [2022-11-03 02:53:31,592 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 [2022-11-03 02:53:31,593 INFO L413 NwaCegarLoop]: 3097 mSDtfsCounter, 270 mSDsluCounter, 6650 mSDsCounter, 0 mSdLazyCounter, 1237 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 8948 SdHoareTripleChecker+Invalid, 1409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 1237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:53:31,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 8948 Invalid, 1409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 1237 Invalid, 0 Unknown, 0 Unchecked, 8.5s Time] [2022-11-03 02:53:31,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7265 states. [2022-11-03 02:53:32,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7265 to 6343. [2022-11-03 02:53:32,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6343 states, 3660 states have (on average 1.2155737704918033) internal successors, (4449), 3797 states have internal predecessors, (4449), 2065 states have call successors, (2065), 603 states have call predecessors, (2065), 602 states have return successors, (2075), 2033 states have call predecessors, (2075), 2063 states have call successors, (2075) [2022-11-03 02:53:32,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6343 states to 6343 states and 8589 transitions. [2022-11-03 02:53:32,319 INFO L78 Accepts]: Start accepts. Automaton has 6343 states and 8589 transitions. Word has length 153 [2022-11-03 02:53:32,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:53:32,319 INFO L495 AbstractCegarLoop]: Abstraction has 6343 states and 8589 transitions. [2022-11-03 02:53:32,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2022-11-03 02:53:32,320 INFO L276 IsEmpty]: Start isEmpty. Operand 6343 states and 8589 transitions. [2022-11-03 02:53:32,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-03 02:53:32,322 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:53:32,322 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:53:32,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-03 02:53:32,323 INFO L420 AbstractCegarLoop]: === Iteration 25 === 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)] === [2022-11-03 02:53:32,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:53:32,323 INFO L85 PathProgramCache]: Analyzing trace with hash 989447936, now seen corresponding path program 1 times [2022-11-03 02:53:32,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:53:32,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053996630] [2022-11-03 02:53:32,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:53:32,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:53:32,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:53:32,831 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:53:32,831 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:53:32,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053996630] [2022-11-03 02:53:32,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053996630] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:53:32,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:53:32,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:53:32,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303332951] [2022-11-03 02:53:32,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:53:32,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:53:32,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:53:32,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:53:32,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:53:32,834 INFO L87 Difference]: Start difference. First operand 6343 states and 8589 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) [2022-11-03 02:53:35,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:53:41,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:53:44,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:53:44,656 INFO L93 Difference]: Finished difference Result 6372 states and 8611 transitions. [2022-11-03 02:53:44,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:53:44,657 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 [2022-11-03 02:53:44,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:53:44,672 INFO L225 Difference]: With dead ends: 6372 [2022-11-03 02:53:44,672 INFO L226 Difference]: Without dead ends: 6370 [2022-11-03 02:53:44,674 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 [2022-11-03 02:53:44,675 INFO L413 NwaCegarLoop]: 3754 mSDtfsCounter, 2019 mSDsluCounter, 7387 mSDsCounter, 0 mSdLazyCounter, 1427 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2021 SdHoareTripleChecker+Valid, 10234 SdHoareTripleChecker+Invalid, 1430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1427 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:53:44,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2021 Valid, 10234 Invalid, 1430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1427 Invalid, 2 Unknown, 0 Unchecked, 10.9s Time] [2022-11-03 02:53:44,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6370 states. [2022-11-03 02:53:45,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6370 to 6349. [2022-11-03 02:53:45,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6349 states, 3663 states have (on average 1.2153972153972155) internal successors, (4452), 3800 states have internal predecessors, (4452), 2067 states have call successors, (2067), 604 states have call predecessors, (2067), 603 states have return successors, (2077), 2035 states have call predecessors, (2077), 2065 states have call successors, (2077) [2022-11-03 02:53:45,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6349 states to 6349 states and 8596 transitions. [2022-11-03 02:53:45,399 INFO L78 Accepts]: Start accepts. Automaton has 6349 states and 8596 transitions. Word has length 139 [2022-11-03 02:53:45,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:53:45,399 INFO L495 AbstractCegarLoop]: Abstraction has 6349 states and 8596 transitions. [2022-11-03 02:53:45,399 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) [2022-11-03 02:53:45,400 INFO L276 IsEmpty]: Start isEmpty. Operand 6349 states and 8596 transitions. [2022-11-03 02:53:45,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-03 02:53:45,403 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:53:45,403 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] [2022-11-03 02:53:45,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-03 02:53:45,403 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)] === [2022-11-03 02:53:45,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:53:45,404 INFO L85 PathProgramCache]: Analyzing trace with hash -2018400197, now seen corresponding path program 1 times [2022-11-03 02:53:45,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:53:45,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108855169] [2022-11-03 02:53:45,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:53:45,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:53:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:53:45,849 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:53:45,850 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:53:45,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108855169] [2022-11-03 02:53:45,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108855169] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:53:45,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:53:45,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:53:45,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800181087] [2022-11-03 02:53:45,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:53:45,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:53:45,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:53:45,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:53:45,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:53:45,853 INFO L87 Difference]: Start difference. First operand 6349 states and 8596 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) [2022-11-03 02:53:48,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:53:50,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:53:52,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:53:59,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:53:59,184 INFO L93 Difference]: Finished difference Result 6370 states and 8609 transitions. [2022-11-03 02:53:59,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:53:59,185 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 [2022-11-03 02:53:59,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:53:59,210 INFO L225 Difference]: With dead ends: 6370 [2022-11-03 02:53:59,210 INFO L226 Difference]: Without dead ends: 6215 [2022-11-03 02:53:59,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:53:59,215 INFO L413 NwaCegarLoop]: 3823 mSDtfsCounter, 2015 mSDsluCounter, 7468 mSDsCounter, 0 mSdLazyCounter, 1448 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2015 SdHoareTripleChecker+Valid, 10372 SdHoareTripleChecker+Invalid, 1451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1448 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:53:59,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2015 Valid, 10372 Invalid, 1451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1448 Invalid, 3 Unknown, 0 Unchecked, 12.4s Time] [2022-11-03 02:53:59,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6215 states. [2022-11-03 02:53:59,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6215 to 6200. [2022-11-03 02:53:59,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6200 states, 3586 states have (on average 1.2183491355270497) internal successors, (4369), 3720 states have internal predecessors, (4369), 2016 states have call successors, (2016), 584 states have call predecessors, (2016), 582 states have return successors, (2024), 1986 states have call predecessors, (2024), 2012 states have call successors, (2024) [2022-11-03 02:54:00,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6200 states to 6200 states and 8409 transitions. [2022-11-03 02:54:00,010 INFO L78 Accepts]: Start accepts. Automaton has 6200 states and 8409 transitions. Word has length 144 [2022-11-03 02:54:00,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:54:00,010 INFO L495 AbstractCegarLoop]: Abstraction has 6200 states and 8409 transitions. [2022-11-03 02:54:00,010 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) [2022-11-03 02:54:00,010 INFO L276 IsEmpty]: Start isEmpty. Operand 6200 states and 8409 transitions. [2022-11-03 02:54:00,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-11-03 02:54:00,016 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:54:00,017 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] [2022-11-03 02:54:00,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-03 02:54:00,023 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)] === [2022-11-03 02:54:00,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:54:00,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1967441139, now seen corresponding path program 1 times [2022-11-03 02:54:00,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:54:00,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541013424] [2022-11-03 02:54:00,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:54:00,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:54:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:54:01,547 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2022-11-03 02:54:01,548 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:54:01,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541013424] [2022-11-03 02:54:01,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541013424] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:54:01,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1424809200] [2022-11-03 02:54:01,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:54:01,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:54:01,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:54:01,550 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:54:01,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 02:54:03,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:54:03,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 3536 conjuncts, 40 conjunts are in the unsatisfiable core [2022-11-03 02:54:03,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:54:03,319 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2022-11-03 02:54:03,319 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:54:03,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1424809200] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:54:03,319 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:54:03,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [8] total 18 [2022-11-03 02:54:03,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107788477] [2022-11-03 02:54:03,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:54:03,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-03 02:54:03,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:54:03,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-03 02:54:03,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=271, Unknown=0, NotChecked=0, Total=306 [2022-11-03 02:54:03,321 INFO L87 Difference]: Start difference. First operand 6200 states and 8409 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) [2022-11-03 02:54:05,923 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 [] [2022-11-03 02:54:07,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:54:18,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:54:18,997 INFO L93 Difference]: Finished difference Result 10397 states and 14301 transitions. [2022-11-03 02:54:18,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-03 02:54:18,998 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 [2022-11-03 02:54:18,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:54:19,015 INFO L225 Difference]: With dead ends: 10397 [2022-11-03 02:54:19,016 INFO L226 Difference]: Without dead ends: 4299 [2022-11-03 02:54:19,037 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 [2022-11-03 02:54:19,038 INFO L413 NwaCegarLoop]: 3119 mSDtfsCounter, 642 mSDsluCounter, 34263 mSDsCounter, 0 mSdLazyCounter, 5027 mSolverCounterSat, 371 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 885 SdHoareTripleChecker+Valid, 33445 SdHoareTripleChecker+Invalid, 5400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 371 IncrementalHoareTripleChecker+Valid, 5027 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:54:19,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [885 Valid, 33445 Invalid, 5400 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [371 Valid, 5027 Invalid, 2 Unknown, 0 Unchecked, 14.7s Time] [2022-11-03 02:54:19,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4299 states. [2022-11-03 02:54:19,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4299 to 3537. [2022-11-03 02:54:19,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3537 states, 2048 states have (on average 1.22265625) internal successors, (2504), 2135 states have internal predecessors, (2504), 1149 states have call successors, (1149), 324 states have call predecessors, (1149), 324 states have return successors, (1159), 1128 states have call predecessors, (1159), 1147 states have call successors, (1159) [2022-11-03 02:54:19,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3537 states to 3537 states and 4812 transitions. [2022-11-03 02:54:19,431 INFO L78 Accepts]: Start accepts. Automaton has 3537 states and 4812 transitions. Word has length 171 [2022-11-03 02:54:19,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:54:19,432 INFO L495 AbstractCegarLoop]: Abstraction has 3537 states and 4812 transitions. [2022-11-03 02:54:19,432 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) [2022-11-03 02:54:19,432 INFO L276 IsEmpty]: Start isEmpty. Operand 3537 states and 4812 transitions. [2022-11-03 02:54:19,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-11-03 02:54:19,434 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:54:19,435 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:54:19,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-03 02:54:19,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:54:19,662 INFO L420 AbstractCegarLoop]: === Iteration 28 === 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)] === [2022-11-03 02:54:19,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:54:19,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1836015712, now seen corresponding path program 1 times [2022-11-03 02:54:19,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:54:19,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624699286] [2022-11-03 02:54:19,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:54:19,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:54:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:54:22,439 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2022-11-03 02:54:22,439 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:54:22,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624699286] [2022-11-03 02:54:22,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624699286] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:54:22,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:54:22,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:54:22,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057109556] [2022-11-03 02:54:22,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:54:22,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:54:22,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:54:22,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:54:22,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:54:22,441 INFO L87 Difference]: Start difference. First operand 3537 states and 4812 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 3 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-03 02:54:27,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:54:32,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:54:32,765 INFO L93 Difference]: Finished difference Result 6954 states and 9483 transitions. [2022-11-03 02:54:32,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:54:32,766 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 3 states have call predecessors, (25), 2 states have call successors, (25) Word has length 170 [2022-11-03 02:54:32,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:54:32,777 INFO L225 Difference]: With dead ends: 6954 [2022-11-03 02:54:32,778 INFO L226 Difference]: Without dead ends: 3547 [2022-11-03 02:54:32,786 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 [2022-11-03 02:54:32,786 INFO L413 NwaCegarLoop]: 2749 mSDtfsCounter, 0 mSDsluCounter, 9418 mSDsCounter, 0 mSdLazyCounter, 1591 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10987 SdHoareTripleChecker+Invalid, 1592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1591 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:54:32,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10987 Invalid, 1592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1591 Invalid, 1 Unknown, 0 Unchecked, 9.8s Time] [2022-11-03 02:54:32,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3547 states. [2022-11-03 02:54:33,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3547 to 3543. [2022-11-03 02:54:33,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3543 states, 2052 states have (on average 1.2222222222222223) internal successors, (2508), 2140 states have internal predecessors, (2508), 1149 states have call successors, (1149), 324 states have call predecessors, (1149), 326 states have return successors, (1164), 1129 states have call predecessors, (1164), 1147 states have call successors, (1164) [2022-11-03 02:54:33,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3543 states to 3543 states and 4821 transitions. [2022-11-03 02:54:33,099 INFO L78 Accepts]: Start accepts. Automaton has 3543 states and 4821 transitions. Word has length 170 [2022-11-03 02:54:33,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:54:33,099 INFO L495 AbstractCegarLoop]: Abstraction has 3543 states and 4821 transitions. [2022-11-03 02:54:33,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 3 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-03 02:54:33,099 INFO L276 IsEmpty]: Start isEmpty. Operand 3543 states and 4821 transitions. [2022-11-03 02:54:33,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-11-03 02:54:33,101 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:54:33,101 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:54:33,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-03 02:54:33,102 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)] === [2022-11-03 02:54:33,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:54:33,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1410086703, now seen corresponding path program 1 times [2022-11-03 02:54:33,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:54:33,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388027292] [2022-11-03 02:54:33,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:54:33,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:54:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:54:37,684 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2022-11-03 02:54:37,685 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:54:37,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388027292] [2022-11-03 02:54:37,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388027292] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:54:37,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:54:37,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:54:37,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492325103] [2022-11-03 02:54:37,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:54:37,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-03 02:54:37,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:54:37,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-03 02:54:37,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:54:37,687 INFO L87 Difference]: Start difference. First operand 3543 states and 4821 transitions. Second operand has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 4 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 5 states have call predecessors, (28), 4 states have call successors, (28) [2022-11-03 02:54:40,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:54:42,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:54:45,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:54:47,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:54:48,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:54:51,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:54:55,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:54:59,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:55:01,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:55:03,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:55:05,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:55:13,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:55:15,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:55:15,246 INFO L93 Difference]: Finished difference Result 6922 states and 9450 transitions. [2022-11-03 02:55:15,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-03 02:55:15,247 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 4 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 5 states have call predecessors, (28), 4 states have call successors, (28) Word has length 183 [2022-11-03 02:55:15,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:55:15,280 INFO L225 Difference]: With dead ends: 6922 [2022-11-03 02:55:15,281 INFO L226 Difference]: Without dead ends: 6920 [2022-11-03 02:55:15,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2022-11-03 02:55:15,286 INFO L413 NwaCegarLoop]: 4371 mSDtfsCounter, 3179 mSDsluCounter, 24300 mSDsCounter, 0 mSdLazyCounter, 5293 mSolverCounterSat, 14 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3186 SdHoareTripleChecker+Valid, 25733 SdHoareTripleChecker+Invalid, 5315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 5293 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:55:15,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3186 Valid, 25733 Invalid, 5315 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [14 Valid, 5293 Invalid, 8 Unknown, 0 Unchecked, 36.4s Time] [2022-11-03 02:55:15,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6920 states. [2022-11-03 02:55:16,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6920 to 6758. [2022-11-03 02:55:16,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6758 states, 3928 states have (on average 1.2268329938900204) internal successors, (4819), 4083 states have internal predecessors, (4819), 2208 states have call successors, (2208), 605 states have call predecessors, (2208), 606 states have return successors, (2240), 2167 states have call predecessors, (2240), 2206 states have call successors, (2240) [2022-11-03 02:55:16,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6758 states to 6758 states and 9267 transitions. [2022-11-03 02:55:16,093 INFO L78 Accepts]: Start accepts. Automaton has 6758 states and 9267 transitions. Word has length 183 [2022-11-03 02:55:16,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:55:16,093 INFO L495 AbstractCegarLoop]: Abstraction has 6758 states and 9267 transitions. [2022-11-03 02:55:16,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 4 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 5 states have call predecessors, (28), 4 states have call successors, (28) [2022-11-03 02:55:16,094 INFO L276 IsEmpty]: Start isEmpty. Operand 6758 states and 9267 transitions. [2022-11-03 02:55:16,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-11-03 02:55:16,096 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:55:16,096 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] [2022-11-03 02:55:16,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-03 02:55:16,097 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)] === [2022-11-03 02:55:16,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:55:16,097 INFO L85 PathProgramCache]: Analyzing trace with hash -657541602, now seen corresponding path program 1 times [2022-11-03 02:55:16,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:55:16,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144409957] [2022-11-03 02:55:16,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:55:16,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:55:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:55:17,428 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2022-11-03 02:55:17,429 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:55:17,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144409957] [2022-11-03 02:55:17,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144409957] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:55:17,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:55:17,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:55:17,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279710737] [2022-11-03 02:55:17,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:55:17,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:55:17,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:55:17,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:55:17,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:55:17,431 INFO L87 Difference]: Start difference. First operand 6758 states and 9267 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) [2022-11-03 02:55:19,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:55:22,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:55:32,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:55:32,116 INFO L93 Difference]: Finished difference Result 7258 states and 9855 transitions. [2022-11-03 02:55:32,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:55:32,117 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 [2022-11-03 02:55:32,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:55:32,138 INFO L225 Difference]: With dead ends: 7258 [2022-11-03 02:55:32,139 INFO L226 Difference]: Without dead ends: 7256 [2022-11-03 02:55:32,143 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 [2022-11-03 02:55:32,144 INFO L413 NwaCegarLoop]: 2776 mSDtfsCounter, 3007 mSDsluCounter, 8230 mSDsCounter, 0 mSdLazyCounter, 3095 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3014 SdHoareTripleChecker+Valid, 9798 SdHoareTripleChecker+Invalid, 3097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3095 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:55:32,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3014 Valid, 9798 Invalid, 3097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 3095 Invalid, 0 Unknown, 0 Unchecked, 13.6s Time] [2022-11-03 02:55:32,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7256 states. [2022-11-03 02:55:32,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7256 to 7256. [2022-11-03 02:55:32,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7256 states, 4219 states have (on average 1.225408864659872) internal successors, (5170), 4373 states have internal predecessors, (5170), 2324 states have call successors, (2324), 697 states have call predecessors, (2324), 698 states have return successors, (2356), 2283 states have call predecessors, (2356), 2322 states have call successors, (2356) [2022-11-03 02:55:32,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7256 states to 7256 states and 9850 transitions. [2022-11-03 02:55:32,917 INFO L78 Accepts]: Start accepts. Automaton has 7256 states and 9850 transitions. Word has length 187 [2022-11-03 02:55:32,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:55:32,917 INFO L495 AbstractCegarLoop]: Abstraction has 7256 states and 9850 transitions. [2022-11-03 02:55:32,917 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) [2022-11-03 02:55:32,918 INFO L276 IsEmpty]: Start isEmpty. Operand 7256 states and 9850 transitions. [2022-11-03 02:55:32,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-11-03 02:55:32,919 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:55:32,919 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] [2022-11-03 02:55:32,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-03 02:55:32,920 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)] === [2022-11-03 02:55:32,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:55:32,920 INFO L85 PathProgramCache]: Analyzing trace with hash 679968506, now seen corresponding path program 1 times [2022-11-03 02:55:32,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:55:32,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984663119] [2022-11-03 02:55:32,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:55:32,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:55:33,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:55:33,278 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2022-11-03 02:55:33,278 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:55:33,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984663119] [2022-11-03 02:55:33,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984663119] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:55:33,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:55:33,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:55:33,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172792855] [2022-11-03 02:55:33,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:55:33,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:55:33,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:55:33,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:55:33,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:55:33,282 INFO L87 Difference]: Start difference. First operand 7256 states and 9850 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) [2022-11-03 02:55:35,403 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 [] [2022-11-03 02:55:38,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:55:38,231 INFO L93 Difference]: Finished difference Result 14368 states and 19606 transitions. [2022-11-03 02:55:38,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:55:38,235 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 [2022-11-03 02:55:38,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:55:38,255 INFO L225 Difference]: With dead ends: 14368 [2022-11-03 02:55:38,255 INFO L226 Difference]: Without dead ends: 7246 [2022-11-03 02:55:38,273 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 [2022-11-03 02:55:38,273 INFO L413 NwaCegarLoop]: 2741 mSDtfsCounter, 3068 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3068 SdHoareTripleChecker+Valid, 2741 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:55:38,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3068 Valid, 2741 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 396 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2022-11-03 02:55:38,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7246 states. [2022-11-03 02:55:39,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7246 to 7246. [2022-11-03 02:55:39,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7246 states, 4210 states have (on average 1.2239904988123516) internal successors, (5153), 4363 states have internal predecessors, (5153), 2324 states have call successors, (2324), 697 states have call predecessors, (2324), 698 states have return successors, (2356), 2283 states have call predecessors, (2356), 2322 states have call successors, (2356) [2022-11-03 02:55:39,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7246 states to 7246 states and 9833 transitions. [2022-11-03 02:55:39,293 INFO L78 Accepts]: Start accepts. Automaton has 7246 states and 9833 transitions. Word has length 190 [2022-11-03 02:55:39,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:55:39,294 INFO L495 AbstractCegarLoop]: Abstraction has 7246 states and 9833 transitions. [2022-11-03 02:55:39,294 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) [2022-11-03 02:55:39,294 INFO L276 IsEmpty]: Start isEmpty. Operand 7246 states and 9833 transitions. [2022-11-03 02:55:39,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-11-03 02:55:39,298 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:55:39,298 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] [2022-11-03 02:55:39,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-03 02:55:39,298 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)] === [2022-11-03 02:55:39,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:55:39,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1117706342, now seen corresponding path program 1 times [2022-11-03 02:55:39,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:55:39,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429882350] [2022-11-03 02:55:39,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:55:39,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:55:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:55:40,768 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2022-11-03 02:55:40,769 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:55:40,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429882350] [2022-11-03 02:55:40,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429882350] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:55:40,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:55:40,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:55:40,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430500033] [2022-11-03 02:55:40,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:55:40,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:55:40,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:55:40,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:55:40,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:55:40,771 INFO L87 Difference]: Start difference. First operand 7246 states and 9833 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) [2022-11-03 02:55:43,037 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 [] [2022-11-03 02:55:45,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:55:47,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:55:48,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:55:50,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:55:52,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:55:53,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:55:55,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:55:58,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:55:59,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:56:01,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:56:02,942 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 [] [2022-11-03 02:56:11,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:56:11,678 INFO L93 Difference]: Finished difference Result 8879 states and 11982 transitions. [2022-11-03 02:56:11,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 02:56:11,682 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 [2022-11-03 02:56:11,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:56:11,707 INFO L225 Difference]: With dead ends: 8879 [2022-11-03 02:56:11,707 INFO L226 Difference]: Without dead ends: 8877 [2022-11-03 02:56:11,710 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 [2022-11-03 02:56:11,710 INFO L413 NwaCegarLoop]: 3676 mSDtfsCounter, 1968 mSDsluCounter, 14641 mSDsCounter, 0 mSdLazyCounter, 3433 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1973 SdHoareTripleChecker+Valid, 16418 SdHoareTripleChecker+Invalid, 3437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3433 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:56:11,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1973 Valid, 16418 Invalid, 3437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3433 Invalid, 3 Unknown, 0 Unchecked, 29.6s Time] [2022-11-03 02:56:11,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8877 states. [2022-11-03 02:56:12,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8877 to 8725. [2022-11-03 02:56:12,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8725 states, 5060 states have (on average 1.2201581027667985) internal successors, (6174), 5239 states have internal predecessors, (6174), 2796 states have call successors, (2796), 854 states have call predecessors, (2796), 855 states have return successors, (2832), 2749 states have call predecessors, (2832), 2794 states have call successors, (2832) [2022-11-03 02:56:12,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8725 states to 8725 states and 11802 transitions. [2022-11-03 02:56:12,518 INFO L78 Accepts]: Start accepts. Automaton has 8725 states and 11802 transitions. Word has length 237 [2022-11-03 02:56:12,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:56:12,519 INFO L495 AbstractCegarLoop]: Abstraction has 8725 states and 11802 transitions. [2022-11-03 02:56:12,519 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) [2022-11-03 02:56:12,519 INFO L276 IsEmpty]: Start isEmpty. Operand 8725 states and 11802 transitions. [2022-11-03 02:56:12,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-11-03 02:56:12,523 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:56:12,523 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] [2022-11-03 02:56:12,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-03 02:56:12,523 INFO L420 AbstractCegarLoop]: === Iteration 33 === 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)] === [2022-11-03 02:56:12,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:56:12,524 INFO L85 PathProgramCache]: Analyzing trace with hash 275400797, now seen corresponding path program 1 times [2022-11-03 02:56:12,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:56:12,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224163292] [2022-11-03 02:56:12,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:56:12,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:56:12,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:56:13,039 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2022-11-03 02:56:13,039 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:56:13,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224163292] [2022-11-03 02:56:13,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224163292] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:56:13,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:56:13,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:56:13,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957906586] [2022-11-03 02:56:13,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:56:13,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:56:13,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:56:13,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:56:13,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:56:13,042 INFO L87 Difference]: Start difference. First operand 8725 states and 11802 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-03 02:56:15,183 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 [] [2022-11-03 02:56:19,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:56:19,679 INFO L93 Difference]: Finished difference Result 8725 states and 11802 transitions. [2022-11-03 02:56:19,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:56:19,680 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 242 [2022-11-03 02:56:19,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:56:19,702 INFO L225 Difference]: With dead ends: 8725 [2022-11-03 02:56:19,702 INFO L226 Difference]: Without dead ends: 8723 [2022-11-03 02:56:19,706 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 [2022-11-03 02:56:19,707 INFO L413 NwaCegarLoop]: 2739 mSDtfsCounter, 3053 mSDsluCounter, 3132 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3055 SdHoareTripleChecker+Valid, 5478 SdHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:56:19,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3055 Valid, 5478 Invalid, 790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 789 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2022-11-03 02:56:19,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8723 states. [2022-11-03 02:56:20,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8723 to 8723. [2022-11-03 02:56:20,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8723 states, 5059 states have (on average 1.2200039533504645) internal successors, (6172), 5237 states have internal predecessors, (6172), 2796 states have call successors, (2796), 854 states have call predecessors, (2796), 855 states have return successors, (2832), 2749 states have call predecessors, (2832), 2794 states have call successors, (2832) [2022-11-03 02:56:20,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8723 states to 8723 states and 11800 transitions. [2022-11-03 02:56:20,554 INFO L78 Accepts]: Start accepts. Automaton has 8723 states and 11800 transitions. Word has length 242 [2022-11-03 02:56:20,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:56:20,554 INFO L495 AbstractCegarLoop]: Abstraction has 8723 states and 11800 transitions. [2022-11-03 02:56:20,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-03 02:56:20,555 INFO L276 IsEmpty]: Start isEmpty. Operand 8723 states and 11800 transitions. [2022-11-03 02:56:20,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-11-03 02:56:20,559 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:56:20,559 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] [2022-11-03 02:56:20,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-11-03 02:56:20,560 INFO L420 AbstractCegarLoop]: === Iteration 34 === 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)] === [2022-11-03 02:56:20,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:56:20,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1687149175, now seen corresponding path program 1 times [2022-11-03 02:56:20,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:56:20,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710152902] [2022-11-03 02:56:20,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:56:20,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:56:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:56:24,906 INFO L134 CoverageAnalysis]: Checked inductivity of 509 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2022-11-03 02:56:24,906 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:56:24,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710152902] [2022-11-03 02:56:24,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710152902] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:56:24,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:56:24,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 02:56:24,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872226860] [2022-11-03 02:56:24,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:56:24,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-03 02:56:24,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:56:24,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-03 02:56:24,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:56:24,908 INFO L87 Difference]: Start difference. First operand 8723 states and 11800 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) [2022-11-03 02:56:26,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:56:29,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:56:31,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:56:33,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:56:37,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:56:47,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:56:53,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:56:53,867 INFO L93 Difference]: Finished difference Result 10355 states and 13949 transitions. [2022-11-03 02:56:53,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-03 02:56:53,868 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 [2022-11-03 02:56:53,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:56:53,890 INFO L225 Difference]: With dead ends: 10355 [2022-11-03 02:56:53,891 INFO L226 Difference]: Without dead ends: 10353 [2022-11-03 02:56:53,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:56:53,893 INFO L413 NwaCegarLoop]: 3679 mSDtfsCounter, 2008 mSDsluCounter, 19782 mSDsCounter, 0 mSdLazyCounter, 4134 mSolverCounterSat, 41 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2013 SdHoareTripleChecker+Valid, 20917 SdHoareTripleChecker+Invalid, 4176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 4134 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:56:53,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2013 Valid, 20917 Invalid, 4176 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [41 Valid, 4134 Invalid, 1 Unknown, 0 Unchecked, 27.5s Time] [2022-11-03 02:56:53,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10353 states. [2022-11-03 02:56:54,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10353 to 8725. [2022-11-03 02:56:54,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8725 states, 5061 states have (on average 1.2201146018573406) internal successors, (6175), 5238 states have internal predecessors, (6175), 2796 states have call successors, (2796), 854 states have call predecessors, (2796), 855 states have return successors, (2832), 2750 states have call predecessors, (2832), 2794 states have call successors, (2832) [2022-11-03 02:56:54,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8725 states to 8725 states and 11803 transitions. [2022-11-03 02:56:54,713 INFO L78 Accepts]: Start accepts. Automaton has 8725 states and 11803 transitions. Word has length 250 [2022-11-03 02:56:54,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:56:54,713 INFO L495 AbstractCegarLoop]: Abstraction has 8725 states and 11803 transitions. [2022-11-03 02:56:54,714 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) [2022-11-03 02:56:54,714 INFO L276 IsEmpty]: Start isEmpty. Operand 8725 states and 11803 transitions. [2022-11-03 02:56:54,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-11-03 02:56:54,718 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:56:54,718 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] [2022-11-03 02:56:54,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-11-03 02:56:54,718 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)] === [2022-11-03 02:56:54,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:56:54,719 INFO L85 PathProgramCache]: Analyzing trace with hash 858020495, now seen corresponding path program 1 times [2022-11-03 02:56:54,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:56:54,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233340528] [2022-11-03 02:56:54,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:56:54,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:56:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:56:58,111 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2022-11-03 02:56:58,111 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:56:58,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233340528] [2022-11-03 02:56:58,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233340528] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:56:58,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:56:58,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:56:58,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605856437] [2022-11-03 02:56:58,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:56:58,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:56:58,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:56:58,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:56:58,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:56:58,115 INFO L87 Difference]: Start difference. First operand 8725 states and 11803 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) [2022-11-03 02:56:59,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:57:01,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:57:04,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:57:05,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:57:10,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:57:10,263 INFO L93 Difference]: Finished difference Result 9015 states and 12243 transitions. [2022-11-03 02:57:10,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:57:10,263 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 [2022-11-03 02:57:10,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:57:10,285 INFO L225 Difference]: With dead ends: 9015 [2022-11-03 02:57:10,286 INFO L226 Difference]: Without dead ends: 9013 [2022-11-03 02:57:10,289 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 [2022-11-03 02:57:10,289 INFO L413 NwaCegarLoop]: 2815 mSDtfsCounter, 67 mSDsluCounter, 9507 mSDsCounter, 0 mSdLazyCounter, 1606 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 11138 SdHoareTripleChecker+Invalid, 1670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 1606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:57:10,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 11138 Invalid, 1670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 1606 Invalid, 0 Unknown, 0 Unchecked, 11.1s Time] [2022-11-03 02:57:10,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9013 states. [2022-11-03 02:57:11,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9013 to 8723. [2022-11-03 02:57:11,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8723 states, 5060 states have (on average 1.2191699604743083) internal successors, (6169), 5236 states have internal predecessors, (6169), 2796 states have call successors, (2796), 854 states have call predecessors, (2796), 855 states have return successors, (2832), 2750 states have call predecessors, (2832), 2794 states have call successors, (2832) [2022-11-03 02:57:11,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8723 states to 8723 states and 11797 transitions. [2022-11-03 02:57:11,136 INFO L78 Accepts]: Start accepts. Automaton has 8723 states and 11797 transitions. Word has length 274 [2022-11-03 02:57:11,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:57:11,137 INFO L495 AbstractCegarLoop]: Abstraction has 8723 states and 11797 transitions. [2022-11-03 02:57:11,137 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) [2022-11-03 02:57:11,137 INFO L276 IsEmpty]: Start isEmpty. Operand 8723 states and 11797 transitions. [2022-11-03 02:57:11,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2022-11-03 02:57:11,142 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:57:11,142 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2022-11-03 02:57:11,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-11-03 02:57:11,142 INFO L420 AbstractCegarLoop]: === Iteration 36 === 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)] === [2022-11-03 02:57:11,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:57:11,143 INFO L85 PathProgramCache]: Analyzing trace with hash 107069128, now seen corresponding path program 1 times [2022-11-03 02:57:11,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:57:11,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839036812] [2022-11-03 02:57:11,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:57:11,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:57:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:57:12,130 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2022-11-03 02:57:12,131 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:57:12,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839036812] [2022-11-03 02:57:12,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839036812] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:57:12,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:57:12,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:57:12,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238605562] [2022-11-03 02:57:12,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:57:12,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:57:12,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:57:12,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:57:12,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:57:12,133 INFO L87 Difference]: Start difference. First operand 8723 states and 11797 transitions. Second operand has 6 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (45), 3 states have call predecessors, (45), 2 states have call successors, (45) [2022-11-03 02:57:14,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:57:15,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:57:24,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:57:24,751 INFO L93 Difference]: Finished difference Result 17178 states and 23275 transitions. [2022-11-03 02:57:24,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:57:24,751 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (45), 3 states have call predecessors, (45), 2 states have call successors, (45) Word has length 280 [2022-11-03 02:57:24,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:57:24,773 INFO L225 Difference]: With dead ends: 17178 [2022-11-03 02:57:24,773 INFO L226 Difference]: Without dead ends: 8711 [2022-11-03 02:57:24,796 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 [2022-11-03 02:57:24,796 INFO L413 NwaCegarLoop]: 2761 mSDtfsCounter, 2966 mSDsluCounter, 8187 mSDsCounter, 0 mSdLazyCounter, 3097 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2971 SdHoareTripleChecker+Valid, 9739 SdHoareTripleChecker+Invalid, 3100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3097 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:57:24,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2971 Valid, 9739 Invalid, 3100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 3097 Invalid, 1 Unknown, 0 Unchecked, 11.3s Time] [2022-11-03 02:57:24,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8711 states. [2022-11-03 02:57:25,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8711 to 8711. [2022-11-03 02:57:25,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8711 states, 5049 states have (on average 1.2176668647256883) internal successors, (6148), 5224 states have internal predecessors, (6148), 2796 states have call successors, (2796), 854 states have call predecessors, (2796), 855 states have return successors, (2832), 2750 states have call predecessors, (2832), 2794 states have call successors, (2832) [2022-11-03 02:57:25,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8711 states to 8711 states and 11776 transitions. [2022-11-03 02:57:25,634 INFO L78 Accepts]: Start accepts. Automaton has 8711 states and 11776 transitions. Word has length 280 [2022-11-03 02:57:25,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:57:25,634 INFO L495 AbstractCegarLoop]: Abstraction has 8711 states and 11776 transitions. [2022-11-03 02:57:25,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (45), 3 states have call predecessors, (45), 2 states have call successors, (45) [2022-11-03 02:57:25,634 INFO L276 IsEmpty]: Start isEmpty. Operand 8711 states and 11776 transitions. [2022-11-03 02:57:25,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-11-03 02:57:25,639 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:57:25,639 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] [2022-11-03 02:57:25,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-11-03 02:57:25,639 INFO L420 AbstractCegarLoop]: === Iteration 37 === 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)] === [2022-11-03 02:57:25,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:57:25,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1824734268, now seen corresponding path program 1 times [2022-11-03 02:57:25,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:57:25,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127926894] [2022-11-03 02:57:25,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:57:25,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:57:25,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:57:26,218 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2022-11-03 02:57:26,219 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:57:26,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127926894] [2022-11-03 02:57:26,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127926894] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:57:26,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:57:26,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:57:26,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837574446] [2022-11-03 02:57:26,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:57:26,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:57:26,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:57:26,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:57:26,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:57:26,221 INFO L87 Difference]: Start difference. First operand 8711 states and 11776 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2022-11-03 02:57:30,183 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 [] [2022-11-03 02:57:33,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:57:33,610 INFO L93 Difference]: Finished difference Result 8721 states and 11825 transitions. [2022-11-03 02:57:33,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:57:33,614 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 272 [2022-11-03 02:57:33,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:57:33,634 INFO L225 Difference]: With dead ends: 8721 [2022-11-03 02:57:33,634 INFO L226 Difference]: Without dead ends: 8719 [2022-11-03 02:57:33,638 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 [2022-11-03 02:57:33,638 INFO L413 NwaCegarLoop]: 2732 mSDtfsCounter, 3037 mSDsluCounter, 3125 mSDsCounter, 0 mSdLazyCounter, 792 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3052 SdHoareTripleChecker+Valid, 5462 SdHoareTripleChecker+Invalid, 793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 792 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:57:33,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3052 Valid, 5462 Invalid, 793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 792 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2022-11-03 02:57:33,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8719 states. [2022-11-03 02:57:34,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8719 to 8709. [2022-11-03 02:57:34,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8709 states, 5048 states have (on average 1.2175118858954042) internal successors, (6146), 5222 states have internal predecessors, (6146), 2796 states have call successors, (2796), 854 states have call predecessors, (2796), 855 states have return successors, (2832), 2750 states have call predecessors, (2832), 2794 states have call successors, (2832) [2022-11-03 02:57:34,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8709 states to 8709 states and 11774 transitions. [2022-11-03 02:57:34,496 INFO L78 Accepts]: Start accepts. Automaton has 8709 states and 11774 transitions. Word has length 272 [2022-11-03 02:57:34,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:57:34,497 INFO L495 AbstractCegarLoop]: Abstraction has 8709 states and 11774 transitions. [2022-11-03 02:57:34,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2022-11-03 02:57:34,497 INFO L276 IsEmpty]: Start isEmpty. Operand 8709 states and 11774 transitions. [2022-11-03 02:57:34,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2022-11-03 02:57:34,502 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:57:34,502 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2022-11-03 02:57:34,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-11-03 02:57:34,502 INFO L420 AbstractCegarLoop]: === Iteration 38 === 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)] === [2022-11-03 02:57:34,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:57:34,502 INFO L85 PathProgramCache]: Analyzing trace with hash -975453058, now seen corresponding path program 1 times [2022-11-03 02:57:34,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:57:34,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652082474] [2022-11-03 02:57:34,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:57:34,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:57:34,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:57:35,035 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2022-11-03 02:57:35,036 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:57:35,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652082474] [2022-11-03 02:57:35,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652082474] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:57:35,036 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:57:35,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:57:35,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105197016] [2022-11-03 02:57:35,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:57:35,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:57:35,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:57:35,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:57:35,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:57:35,038 INFO L87 Difference]: Start difference. First operand 8709 states and 11774 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-11-03 02:57:37,048 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 [] [2022-11-03 02:57:42,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:57:42,044 INFO L93 Difference]: Finished difference Result 8709 states and 11774 transitions. [2022-11-03 02:57:42,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:57:42,045 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 281 [2022-11-03 02:57:42,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:57:42,075 INFO L225 Difference]: With dead ends: 8709 [2022-11-03 02:57:42,075 INFO L226 Difference]: Without dead ends: 8707 [2022-11-03 02:57:42,080 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 [2022-11-03 02:57:42,080 INFO L413 NwaCegarLoop]: 2727 mSDtfsCounter, 3029 mSDsluCounter, 3121 mSDsCounter, 0 mSdLazyCounter, 793 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3032 SdHoareTripleChecker+Valid, 5454 SdHoareTripleChecker+Invalid, 793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:57:42,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3032 Valid, 5454 Invalid, 793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 793 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2022-11-03 02:57:42,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8707 states. [2022-11-03 02:57:43,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8707 to 8707. [2022-11-03 02:57:43,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8707 states, 5047 states have (on average 1.216564295621161) internal successors, (6140), 5220 states have internal predecessors, (6140), 2796 states have call successors, (2796), 854 states have call predecessors, (2796), 855 states have return successors, (2832), 2750 states have call predecessors, (2832), 2794 states have call successors, (2832) [2022-11-03 02:57:43,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8707 states to 8707 states and 11768 transitions. [2022-11-03 02:57:43,036 INFO L78 Accepts]: Start accepts. Automaton has 8707 states and 11768 transitions. Word has length 281 [2022-11-03 02:57:43,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:57:43,037 INFO L495 AbstractCegarLoop]: Abstraction has 8707 states and 11768 transitions. [2022-11-03 02:57:43,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-11-03 02:57:43,038 INFO L276 IsEmpty]: Start isEmpty. Operand 8707 states and 11768 transitions. [2022-11-03 02:57:43,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-11-03 02:57:43,043 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:57:43,043 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] [2022-11-03 02:57:43,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-11-03 02:57:43,043 INFO L420 AbstractCegarLoop]: === Iteration 39 === 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)] === [2022-11-03 02:57:43,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:57:43,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1880512877, now seen corresponding path program 1 times [2022-11-03 02:57:43,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:57:43,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215389255] [2022-11-03 02:57:43,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:57:43,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:57:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:57:47,551 INFO L134 CoverageAnalysis]: Checked inductivity of 509 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2022-11-03 02:57:47,551 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:57:47,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215389255] [2022-11-03 02:57:47,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215389255] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:57:47,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:57:47,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:57:47,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195190175] [2022-11-03 02:57:47,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:57:47,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 02:57:47,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:57:47,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 02:57:47,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:57:47,553 INFO L87 Difference]: Start difference. First operand 8707 states and 11768 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) [2022-11-03 02:57:49,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:57:51,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:57:53,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:57:57,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:58:01,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:58:02,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:58:04,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:58:06,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:58:07,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:58:11,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:58:13,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:58:23,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:58:46,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:58:52,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:59:12,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:59:12,098 INFO L93 Difference]: Finished difference Result 19239 states and 26086 transitions. [2022-11-03 02:59:12,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-03 02:59:12,100 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 [2022-11-03 02:59:12,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:59:12,159 INFO L225 Difference]: With dead ends: 19239 [2022-11-03 02:59:12,159 INFO L226 Difference]: Without dead ends: 19237 [2022-11-03 02:59:12,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=126, Invalid=474, Unknown=0, NotChecked=0, Total=600 [2022-11-03 02:59:12,165 INFO L413 NwaCegarLoop]: 4906 mSDtfsCounter, 6792 mSDsluCounter, 12584 mSDsCounter, 0 mSdLazyCounter, 42465 mSolverCounterSat, 5228 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 72.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7821 SdHoareTripleChecker+Valid, 15243 SdHoareTripleChecker+Invalid, 47699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5228 IncrementalHoareTripleChecker+Valid, 42465 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 80.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:59:12,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7821 Valid, 15243 Invalid, 47699 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5228 Valid, 42465 Invalid, 6 Unknown, 0 Unchecked, 80.5s Time] [2022-11-03 02:59:12,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19237 states. [2022-11-03 02:59:14,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19237 to 18922. [2022-11-03 02:59:14,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18922 states, 10988 states have (on average 1.2205132872224245) internal successors, (13411), 11359 states have internal predecessors, (13411), 6097 states have call successors, (6097), 1824 states have call predecessors, (6097), 1828 states have return successors, (6195), 5994 states have call predecessors, (6195), 6095 states have call successors, (6195) [2022-11-03 02:59:14,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18922 states to 18922 states and 25703 transitions. [2022-11-03 02:59:14,304 INFO L78 Accepts]: Start accepts. Automaton has 18922 states and 25703 transitions. Word has length 277 [2022-11-03 02:59:14,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:59:14,305 INFO L495 AbstractCegarLoop]: Abstraction has 18922 states and 25703 transitions. [2022-11-03 02:59:14,305 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) [2022-11-03 02:59:14,305 INFO L276 IsEmpty]: Start isEmpty. Operand 18922 states and 25703 transitions. [2022-11-03 02:59:14,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2022-11-03 02:59:14,311 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:59:14,311 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] [2022-11-03 02:59:14,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-11-03 02:59:14,311 INFO L420 AbstractCegarLoop]: === Iteration 40 === 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)] === [2022-11-03 02:59:14,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:59:14,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1752364897, now seen corresponding path program 1 times [2022-11-03 02:59:14,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:59:14,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168580435] [2022-11-03 02:59:14,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:59:14,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:59:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:59:14,784 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2022-11-03 02:59:14,784 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:59:14,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168580435] [2022-11-03 02:59:14,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168580435] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:59:14,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:59:14,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:59:14,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081748162] [2022-11-03 02:59:14,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:59:14,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:59:14,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:59:14,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:59:14,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:59:14,786 INFO L87 Difference]: Start difference. First operand 18922 states and 25703 transitions. Second operand has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-11-03 02:59:16,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:59:17,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:59:20,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:59:24,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:59:24,831 INFO L93 Difference]: Finished difference Result 18922 states and 25703 transitions. [2022-11-03 02:59:24,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:59:24,831 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 294 [2022-11-03 02:59:24,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:59:24,879 INFO L225 Difference]: With dead ends: 18922 [2022-11-03 02:59:24,880 INFO L226 Difference]: Without dead ends: 18920 [2022-11-03 02:59:24,886 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 [2022-11-03 02:59:24,886 INFO L413 NwaCegarLoop]: 2726 mSDtfsCounter, 3030 mSDsluCounter, 3120 mSDsCounter, 0 mSdLazyCounter, 790 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3032 SdHoareTripleChecker+Valid, 5452 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 790 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:59:24,887 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3032 Valid, 5452 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 790 Invalid, 1 Unknown, 0 Unchecked, 7.9s Time] [2022-11-03 02:59:24,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18920 states. [2022-11-03 02:59:27,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18920 to 18920. [2022-11-03 02:59:27,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18920 states, 10987 states have (on average 1.2204423409483935) internal successors, (13409), 11357 states have internal predecessors, (13409), 6097 states have call successors, (6097), 1824 states have call predecessors, (6097), 1828 states have return successors, (6195), 5994 states have call predecessors, (6195), 6095 states have call successors, (6195) [2022-11-03 02:59:27,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18920 states to 18920 states and 25701 transitions. [2022-11-03 02:59:27,108 INFO L78 Accepts]: Start accepts. Automaton has 18920 states and 25701 transitions. Word has length 294 [2022-11-03 02:59:27,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:59:27,108 INFO L495 AbstractCegarLoop]: Abstraction has 18920 states and 25701 transitions. [2022-11-03 02:59:27,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-11-03 02:59:27,109 INFO L276 IsEmpty]: Start isEmpty. Operand 18920 states and 25701 transitions. [2022-11-03 02:59:27,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2022-11-03 02:59:27,115 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:59:27,115 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] [2022-11-03 02:59:27,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-11-03 02:59:27,115 INFO L420 AbstractCegarLoop]: === Iteration 41 === 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)] === [2022-11-03 02:59:27,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:59:27,116 INFO L85 PathProgramCache]: Analyzing trace with hash 2005516987, now seen corresponding path program 1 times [2022-11-03 02:59:27,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:59:27,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546324309] [2022-11-03 02:59:27,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:59:27,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:59:29,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:59:34,008 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 6 proven. 34 refuted. 0 times theorem prover too weak. 596 trivial. 0 not checked. [2022-11-03 02:59:34,009 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:59:34,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546324309] [2022-11-03 02:59:34,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546324309] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:59:34,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105788325] [2022-11-03 02:59:34,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:59:34,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:59:34,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:59:34,017 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:59:34,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e063d97-d796-47ef-8fa0-793392e40b80/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 02:59:38,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:59:38,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 5467 conjuncts, 43 conjunts are in the unsatisfiable core [2022-11-03 02:59:38,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:59:39,689 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 598 trivial. 0 not checked. [2022-11-03 02:59:39,689 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:59:40,987 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 598 trivial. 0 not checked. [2022-11-03 02:59:40,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105788325] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:59:40,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1537836884] [2022-11-03 02:59:41,021 INFO L159 IcfgInterpreter]: Started Sifa with 144 locations of interest [2022-11-03 02:59:41,022 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:59:41,026 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:59:41,032 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:59:41,032 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:59:48,160 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:59:48,729 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:59:48,983 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:59:49,556 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:59:50,652 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:59:51,079 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 02:59:51,278 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:01:56,453 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-03 03:01:56,469 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9