./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/bin/utaipan-eEHZpOm5b7 --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 d203471fae7090e1b4b8d383383c7e1c0af1c27cf547904727a787feab3c21ea --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:32:11,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:32:11,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:32:11,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:32:11,081 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:32:11,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:32:11,084 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:32:11,088 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:32:11,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:32:11,093 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:32:11,094 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:32:11,096 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:32:11,097 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:32:11,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:32:11,101 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:32:11,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:32:11,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:32:11,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:32:11,110 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:32:11,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:32:11,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:32:11,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:32:11,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:32:11,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:32:11,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:32:11,129 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:32:11,130 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:32:11,132 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:32:11,133 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:32:11,134 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:32:11,135 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:32:11,137 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:32:11,138 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:32:11,139 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:32:11,141 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:32:11,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:32:11,143 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:32:11,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:32:11,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:32:11,147 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:32:11,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:32:11,150 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 19:32:11,200 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:32:11,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:32:11,202 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:32:11,202 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:32:11,203 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:32:11,204 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:32:11,204 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:32:11,204 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:32:11,205 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:32:11,205 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:32:11,206 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:32:11,207 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:32:11,207 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:32:11,207 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:32:11,208 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:32:11,208 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:32:11,208 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:32:11,209 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:32:11,210 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:32:11,210 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:32:11,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:32:11,211 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:32:11,211 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:32:11,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:32:11,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:32:11,212 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:32:11,214 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:32:11,214 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:32:11,215 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:32:11,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:32:11,215 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:32:11,216 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:32:11,216 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:32:11,216 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:32:11,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:32:11,217 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:32:11,217 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:32:11,218 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:32:11,218 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d203471fae7090e1b4b8d383383c7e1c0af1c27cf547904727a787feab3c21ea [2021-11-25 19:32:11,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:32:11,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:32:11,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:32:11,652 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:32:11,653 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:32:11,655 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i [2021-11-25 19:32:11,753 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/bin/utaipan-eEHZpOm5b7/data/0d5f5d01d/b94e2640b484471794a147e912efd445/FLAGa84077a37 [2021-11-25 19:32:13,220 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:32:13,221 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i [2021-11-25 19:32:13,321 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/bin/utaipan-eEHZpOm5b7/data/0d5f5d01d/b94e2640b484471794a147e912efd445/FLAGa84077a37 [2021-11-25 19:32:13,679 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/bin/utaipan-eEHZpOm5b7/data/0d5f5d01d/b94e2640b484471794a147e912efd445 [2021-11-25 19:32:13,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:32:13,685 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:32:13,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:32:13,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:32:13,696 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:32:13,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:32:13" (1/1) ... [2021-11-25 19:32:13,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@699449f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:13, skipping insertion in model container [2021-11-25 19:32:13,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:32:13" (1/1) ... [2021-11-25 19:32:13,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:32:13,986 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:32:22,066 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[571610,571623] [2021-11-25 19:32:22,070 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[571755,571768] [2021-11-25 19:32:22,071 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[571901,571914] [2021-11-25 19:32:22,072 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[572066,572079] [2021-11-25 19:32:22,072 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[572224,572237] [2021-11-25 19:32:22,073 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[572382,572395] [2021-11-25 19:32:22,074 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[572540,572553] [2021-11-25 19:32:22,074 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[572700,572713] [2021-11-25 19:32:22,075 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[572859,572872] [2021-11-25 19:32:22,076 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[572998,573011] [2021-11-25 19:32:22,076 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[573140,573153] [2021-11-25 19:32:22,077 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[573289,573302] [2021-11-25 19:32:22,089 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[573428,573441] [2021-11-25 19:32:22,090 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[573583,573596] [2021-11-25 19:32:22,091 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[573743,573756] [2021-11-25 19:32:22,091 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[573894,573907] [2021-11-25 19:32:22,092 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[574045,574058] [2021-11-25 19:32:22,100 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[574197,574210] [2021-11-25 19:32:22,100 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[574346,574359] [2021-11-25 19:32:22,101 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[574494,574507] [2021-11-25 19:32:22,102 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[574651,574664] [2021-11-25 19:32:22,102 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[574800,574813] [2021-11-25 19:32:22,103 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[574956,574969] [2021-11-25 19:32:22,104 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[575109,575122] [2021-11-25 19:32:22,105 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[575255,575268] [2021-11-25 19:32:22,105 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[575398,575411] [2021-11-25 19:32:22,106 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[575550,575563] [2021-11-25 19:32:22,107 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[575696,575709] [2021-11-25 19:32:22,108 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[575841,575854] [2021-11-25 19:32:22,109 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[575995,576008] [2021-11-25 19:32:22,112 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[576146,576159] [2021-11-25 19:32:22,112 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[576301,576314] [2021-11-25 19:32:22,113 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[576453,576466] [2021-11-25 19:32:22,114 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[576608,576621] [2021-11-25 19:32:22,114 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[576772,576785] [2021-11-25 19:32:22,115 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[576928,576941] [2021-11-25 19:32:22,115 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[577092,577105] [2021-11-25 19:32:22,116 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[577234,577247] [2021-11-25 19:32:22,116 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[577392,577405] [2021-11-25 19:32:22,117 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[577559,577572] [2021-11-25 19:32:22,118 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[577718,577731] [2021-11-25 19:32:22,118 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[577877,577890] [2021-11-25 19:32:22,119 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[578026,578039] [2021-11-25 19:32:22,119 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[578173,578186] [2021-11-25 19:32:22,120 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[578312,578325] [2021-11-25 19:32:22,121 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[578475,578488] [2021-11-25 19:32:22,121 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[578641,578654] [2021-11-25 19:32:22,123 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[578805,578818] [2021-11-25 19:32:22,124 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[578970,578983] [2021-11-25 19:32:22,125 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[579135,579148] [2021-11-25 19:32:22,130 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[579301,579314] [2021-11-25 19:32:22,131 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[579466,579479] [2021-11-25 19:32:22,131 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[579633,579646] [2021-11-25 19:32:22,132 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[579793,579806] [2021-11-25 19:32:22,133 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[579955,579968] [2021-11-25 19:32:22,142 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[580114,580127] [2021-11-25 19:32:22,143 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[580260,580273] [2021-11-25 19:32:22,144 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[580403,580416] [2021-11-25 19:32:22,144 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[580547,580560] [2021-11-25 19:32:22,145 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[580690,580703] [2021-11-25 19:32:22,146 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[580834,580847] [2021-11-25 19:32:22,146 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[580975,580988] [2021-11-25 19:32:22,147 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[581113,581126] [2021-11-25 19:32:22,148 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[581271,581284] [2021-11-25 19:32:22,148 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[581430,581443] [2021-11-25 19:32:22,149 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[581586,581599] [2021-11-25 19:32:22,149 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[581735,581748] [2021-11-25 19:32:22,150 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[581887,581900] [2021-11-25 19:32:22,150 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[582038,582051] [2021-11-25 19:32:22,151 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[582187,582200] [2021-11-25 19:32:22,152 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[582339,582352] [2021-11-25 19:32:22,152 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[582487,582500] [2021-11-25 19:32:22,153 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[582640,582653] [2021-11-25 19:32:22,154 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[582791,582804] [2021-11-25 19:32:22,155 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[582941,582954] [2021-11-25 19:32:22,155 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[583088,583101] [2021-11-25 19:32:22,156 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[583239,583252] [2021-11-25 19:32:22,156 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[583390,583403] [2021-11-25 19:32:22,157 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[583538,583551] [2021-11-25 19:32:22,157 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[583704,583717] [2021-11-25 19:32:22,158 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[583873,583886] [2021-11-25 19:32:22,158 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[584040,584053] [2021-11-25 19:32:22,159 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[584208,584221] [2021-11-25 19:32:22,160 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[584358,584371] [2021-11-25 19:32:22,162 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[584505,584518] [2021-11-25 19:32:22,162 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[584666,584679] [2021-11-25 19:32:22,163 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[584836,584849] [2021-11-25 19:32:22,165 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[584998,585011] [2021-11-25 19:32:22,172 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:32:22,267 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:32:23,226 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[571610,571623] [2021-11-25 19:32:23,227 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[571755,571768] [2021-11-25 19:32:23,227 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[571901,571914] [2021-11-25 19:32:23,228 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[572066,572079] [2021-11-25 19:32:23,228 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[572224,572237] [2021-11-25 19:32:23,229 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[572382,572395] [2021-11-25 19:32:23,229 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[572540,572553] [2021-11-25 19:32:23,230 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[572700,572713] [2021-11-25 19:32:23,230 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[572859,572872] [2021-11-25 19:32:23,231 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[572998,573011] [2021-11-25 19:32:23,231 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[573140,573153] [2021-11-25 19:32:23,232 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[573289,573302] [2021-11-25 19:32:23,232 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[573428,573441] [2021-11-25 19:32:23,233 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[573583,573596] [2021-11-25 19:32:23,233 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[573743,573756] [2021-11-25 19:32:23,234 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[573894,573907] [2021-11-25 19:32:23,234 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[574045,574058] [2021-11-25 19:32:23,235 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[574197,574210] [2021-11-25 19:32:23,235 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[574346,574359] [2021-11-25 19:32:23,236 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[574494,574507] [2021-11-25 19:32:23,236 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[574651,574664] [2021-11-25 19:32:23,237 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[574800,574813] [2021-11-25 19:32:23,237 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[574956,574969] [2021-11-25 19:32:23,238 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[575109,575122] [2021-11-25 19:32:23,238 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[575255,575268] [2021-11-25 19:32:23,239 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[575398,575411] [2021-11-25 19:32:23,240 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[575550,575563] [2021-11-25 19:32:23,240 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[575696,575709] [2021-11-25 19:32:23,241 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[575841,575854] [2021-11-25 19:32:23,241 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[575995,576008] [2021-11-25 19:32:23,242 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[576146,576159] [2021-11-25 19:32:23,242 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[576301,576314] [2021-11-25 19:32:23,243 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[576453,576466] [2021-11-25 19:32:23,243 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[576608,576621] [2021-11-25 19:32:23,244 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[576772,576785] [2021-11-25 19:32:23,244 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[576928,576941] [2021-11-25 19:32:23,245 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[577092,577105] [2021-11-25 19:32:23,245 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[577234,577247] [2021-11-25 19:32:23,246 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[577392,577405] [2021-11-25 19:32:23,246 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[577559,577572] [2021-11-25 19:32:23,247 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[577718,577731] [2021-11-25 19:32:23,247 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[577877,577890] [2021-11-25 19:32:23,248 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[578026,578039] [2021-11-25 19:32:23,248 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[578173,578186] [2021-11-25 19:32:23,249 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[578312,578325] [2021-11-25 19:32:23,249 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[578475,578488] [2021-11-25 19:32:23,250 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[578641,578654] [2021-11-25 19:32:23,250 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[578805,578818] [2021-11-25 19:32:23,251 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[578970,578983] [2021-11-25 19:32:23,252 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[579135,579148] [2021-11-25 19:32:23,252 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[579301,579314] [2021-11-25 19:32:23,253 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[579466,579479] [2021-11-25 19:32:23,253 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[579633,579646] [2021-11-25 19:32:23,254 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[579793,579806] [2021-11-25 19:32:23,254 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[579955,579968] [2021-11-25 19:32:23,255 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[580114,580127] [2021-11-25 19:32:23,255 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[580260,580273] [2021-11-25 19:32:23,256 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[580403,580416] [2021-11-25 19:32:23,256 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[580547,580560] [2021-11-25 19:32:23,257 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[580690,580703] [2021-11-25 19:32:23,257 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[580834,580847] [2021-11-25 19:32:23,258 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[580975,580988] [2021-11-25 19:32:23,258 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[581113,581126] [2021-11-25 19:32:23,259 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[581271,581284] [2021-11-25 19:32:23,259 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[581430,581443] [2021-11-25 19:32:23,260 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[581586,581599] [2021-11-25 19:32:23,260 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[581735,581748] [2021-11-25 19:32:23,261 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[581887,581900] [2021-11-25 19:32:23,261 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[582038,582051] [2021-11-25 19:32:23,262 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[582187,582200] [2021-11-25 19:32:23,262 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[582339,582352] [2021-11-25 19:32:23,263 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[582487,582500] [2021-11-25 19:32:23,263 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[582640,582653] [2021-11-25 19:32:23,264 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[582791,582804] [2021-11-25 19:32:23,265 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[582941,582954] [2021-11-25 19:32:23,265 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[583088,583101] [2021-11-25 19:32:23,266 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[583239,583252] [2021-11-25 19:32:23,266 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[583390,583403] [2021-11-25 19:32:23,266 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[583538,583551] [2021-11-25 19:32:23,267 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[583704,583717] [2021-11-25 19:32:23,267 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[583873,583886] [2021-11-25 19:32:23,268 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[584040,584053] [2021-11-25 19:32:23,268 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[584208,584221] [2021-11-25 19:32:23,269 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[584358,584371] [2021-11-25 19:32:23,269 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[584505,584518] [2021-11-25 19:32:23,270 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[584666,584679] [2021-11-25 19:32:23,270 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[584836,584849] [2021-11-25 19:32:23,271 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_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i[584998,585011] [2021-11-25 19:32:23,275 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:32:23,594 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:32:23,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:23 WrapperNode [2021-11-25 19:32:23,594 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:32:23,596 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:32:23,596 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:32:23,596 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:32:23,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:23" (1/1) ... [2021-11-25 19:32:23,839 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:23" (1/1) ... [2021-11-25 19:32:24,441 INFO L137 Inliner]: procedures = 698, calls = 5979, calls flagged for inlining = 308, calls inlined = 229, statements flattened = 12099 [2021-11-25 19:32:24,443 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:32:24,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:32:24,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:32:24,444 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:32:24,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:23" (1/1) ... [2021-11-25 19:32:24,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:23" (1/1) ... [2021-11-25 19:32:24,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:23" (1/1) ... [2021-11-25 19:32:24,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:23" (1/1) ... [2021-11-25 19:32:25,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:23" (1/1) ... [2021-11-25 19:32:25,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:23" (1/1) ... [2021-11-25 19:32:25,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:23" (1/1) ... [2021-11-25 19:32:25,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:32:25,334 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:32:25,334 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:32:25,334 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:32:25,335 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:23" (1/1) ... [2021-11-25 19:32:25,345 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:32:25,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:32:25,492 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:32:25,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:32:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure AdvResetSB [2021-11-25 19:32:25,563 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvResetSB [2021-11-25 19:32:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure AscCalSDTRData [2021-11-25 19:32:25,564 INFO L138 BoogieDeclarations]: Found implementation of procedure AscCalSDTRData [2021-11-25 19:32:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-25 19:32:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-25 19:32:25,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-25 19:32:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure AscMemSumLramWord [2021-11-25 19:32:25,566 INFO L138 BoogieDeclarations]: Found implementation of procedure AscMemSumLramWord [2021-11-25 19:32:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-25 19:32:25,566 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-25 19:32:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 19:32:25,569 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 19:32:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2021-11-25 19:32:25,569 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2021-11-25 19:32:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2021-11-25 19:32:25,570 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_putc [2021-11-25 19:32:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 19:32:25,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 19:32:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-25 19:32:25,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-25 19:32:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-25 19:32:25,571 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-25 19:32:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure AdvWaitEEPCmd [2021-11-25 19:32:25,571 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvWaitEEPCmd [2021-11-25 19:32:25,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-25 19:32:25,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-25 19:32:25,572 INFO L130 BoogieDeclarations]: Found specification of procedure AscResetChipAndScsiBus [2021-11-25 19:32:25,572 INFO L138 BoogieDeclarations]: Found implementation of procedure AscResetChipAndScsiBus [2021-11-25 19:32:25,572 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-25 19:32:25,573 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-25 19:32:25,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-25 19:32:25,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-25 19:32:25,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-25 19:32:25,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-25 19:32:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure AscAllocFreeQueue [2021-11-25 19:32:25,574 INFO L138 BoogieDeclarations]: Found implementation of procedure AscAllocFreeQueue [2021-11-25 19:32:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure AdvLoadMicrocode [2021-11-25 19:32:25,574 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvLoadMicrocode [2021-11-25 19:32:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2021-11-25 19:32:25,575 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2021-11-25 19:32:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure AscWaitEEPRead [2021-11-25 19:32:25,575 INFO L138 BoogieDeclarations]: Found implementation of procedure AscWaitEEPRead [2021-11-25 19:32:25,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-25 19:32:25,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-25 19:32:25,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 19:32:25,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 19:32:25,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-25 19:32:25,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-25 19:32:25,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:32:25,578 INFO L130 BoogieDeclarations]: Found specification of procedure AscGetChipVersion [2021-11-25 19:32:25,578 INFO L138 BoogieDeclarations]: Found implementation of procedure AscGetChipVersion [2021-11-25 19:32:25,578 INFO L130 BoogieDeclarations]: Found specification of procedure AscSetBank [2021-11-25 19:32:25,579 INFO L138 BoogieDeclarations]: Found implementation of procedure AscSetBank [2021-11-25 19:32:25,579 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-25 19:32:25,579 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-25 19:32:25,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-25 19:32:25,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-25 19:32:25,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 19:32:25,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_isa_register_driver [2021-11-25 19:32:25,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_isa_register_driver [2021-11-25 19:32:25,580 INFO L130 BoogieDeclarations]: Found specification of procedure AscSendScsiQueue [2021-11-25 19:32:25,581 INFO L138 BoogieDeclarations]: Found implementation of procedure AscSendScsiQueue [2021-11-25 19:32:25,581 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-25 19:32:25,581 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-25 19:32:25,581 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-25 19:32:25,584 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-25 19:32:25,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 19:32:25,585 INFO L130 BoogieDeclarations]: Found specification of procedure AscGetSynPeriodIndex [2021-11-25 19:32:25,586 INFO L138 BoogieDeclarations]: Found implementation of procedure AscGetSynPeriodIndex [2021-11-25 19:32:25,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-25 19:32:25,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-25 19:32:25,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-25 19:32:25,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-25 19:32:25,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-25 19:32:25,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-25 19:32:25,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:32:25,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-25 19:32:25,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-25 19:32:25,596 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-25 19:32:25,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-25 19:32:25,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-25 19:32:25,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-25 19:32:25,596 INFO L130 BoogieDeclarations]: Found specification of procedure AscReadEEPWord [2021-11-25 19:32:25,597 INFO L138 BoogieDeclarations]: Found implementation of procedure AscReadEEPWord [2021-11-25 19:32:25,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 19:32:25,597 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 19:32:25,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-25 19:32:25,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-25 19:32:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure AdvReadEEPWord [2021-11-25 19:32:25,598 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvReadEEPWord [2021-11-25 19:32:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-25 19:32:25,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-25 19:32:25,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-25 19:32:25,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-25 19:32:25,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_add_host [2021-11-25 19:32:25,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_add_host [2021-11-25 19:32:25,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-25 19:32:25,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-25 19:32:25,600 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-25 19:32:25,600 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-25 19:32:25,600 INFO L130 BoogieDeclarations]: Found specification of procedure AdvResetChipAndSB [2021-11-25 19:32:25,601 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvResetChipAndSB [2021-11-25 19:32:25,601 INFO L130 BoogieDeclarations]: Found specification of procedure AscMemWordCopyPtrToLram [2021-11-25 19:32:25,601 INFO L138 BoogieDeclarations]: Found implementation of procedure AscMemWordCopyPtrToLram [2021-11-25 19:32:25,601 INFO L130 BoogieDeclarations]: Found specification of procedure AscMsgOutSDTR [2021-11-25 19:32:25,601 INFO L138 BoogieDeclarations]: Found implementation of procedure AscMsgOutSDTR [2021-11-25 19:32:25,602 INFO L130 BoogieDeclarations]: Found specification of procedure AscSetChipSynRegAtID [2021-11-25 19:32:25,602 INFO L138 BoogieDeclarations]: Found implementation of procedure AscSetChipSynRegAtID [2021-11-25 19:32:25,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_host_lock_of_Scsi_Host [2021-11-25 19:32:25,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_host_lock_of_Scsi_Host [2021-11-25 19:32:25,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-25 19:32:25,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-25 19:32:25,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2021-11-25 19:32:25,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2021-11-25 19:32:25,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_host_template_scsi_host_template_instance_4 [2021-11-25 19:32:25,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_host_template_scsi_host_template_instance_4 [2021-11-25 19:32:25,604 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2021-11-25 19:32:25,604 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2021-11-25 19:32:25,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 19:32:25,605 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-25 19:32:25,606 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-25 19:32:25,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2021-11-25 19:32:25,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2021-11-25 19:32:25,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:32:25,607 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_release [2021-11-25 19:32:25,607 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_release [2021-11-25 19:32:25,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 19:32:25,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 19:32:25,607 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-25 19:32:25,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-25 19:32:25,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 19:32:25,608 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_pci_remove [2021-11-25 19:32:25,608 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_pci_remove [2021-11-25 19:32:25,609 INFO L130 BoogieDeclarations]: Found specification of procedure AscWriteLramByte [2021-11-25 19:32:25,609 INFO L138 BoogieDeclarations]: Found implementation of procedure AscWriteLramByte [2021-11-25 19:32:25,609 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 19:32:25,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 19:32:25,609 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2021-11-25 19:32:25,610 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2021-11-25 19:32:25,610 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_board_found [2021-11-25 19:32:25,610 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_board_found [2021-11-25 19:32:25,610 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-25 19:32:25,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-25 19:32:25,611 INFO L130 BoogieDeclarations]: Found specification of procedure AscMemDWordCopyPtrToLram [2021-11-25 19:32:25,611 INFO L138 BoogieDeclarations]: Found implementation of procedure AscMemDWordCopyPtrToLram [2021-11-25 19:32:25,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_add_host_107 [2021-11-25 19:32:25,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_add_host_107 [2021-11-25 19:32:25,611 INFO L130 BoogieDeclarations]: Found specification of procedure AscReadLramByte [2021-11-25 19:32:25,612 INFO L138 BoogieDeclarations]: Found implementation of procedure AscReadLramByte [2021-11-25 19:32:25,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-25 19:32:25,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-25 19:32:25,612 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_slave_configure [2021-11-25 19:32:25,612 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_slave_configure [2021-11-25 19:32:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure asc_scsi_done [2021-11-25 19:32:25,613 INFO L138 BoogieDeclarations]: Found implementation of procedure asc_scsi_done [2021-11-25 19:32:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2021-11-25 19:32:25,613 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2021-11-25 19:32:25,613 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-25 19:32:25,614 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-25 19:32:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2021-11-25 19:32:25,614 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2021-11-25 19:32:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-11-25 19:32:25,614 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-11-25 19:32:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure AdvInitAsc38C1600Driver [2021-11-25 19:32:25,615 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvInitAsc38C1600Driver [2021-11-25 19:32:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-11-25 19:32:25,615 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-11-25 19:32:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure AscMemWordSetLram [2021-11-25 19:32:25,616 INFO L138 BoogieDeclarations]: Found implementation of procedure AscMemWordSetLram [2021-11-25 19:32:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure isa_register_driver [2021-11-25 19:32:25,616 INFO L138 BoogieDeclarations]: Found implementation of procedure isa_register_driver [2021-11-25 19:32:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:32:25,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:32:25,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 19:32:25,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 19:32:25,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 19:32:25,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 19:32:25,618 INFO L130 BoogieDeclarations]: Found specification of procedure AscIsrQDone [2021-11-25 19:32:25,618 INFO L138 BoogieDeclarations]: Found implementation of procedure AscIsrQDone [2021-11-25 19:32:25,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-25 19:32:25,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-25 19:32:25,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_host_lock_of_Scsi_Host [2021-11-25 19:32:25,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_host_lock_of_Scsi_Host [2021-11-25 19:32:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure AscIsChipHalted [2021-11-25 19:32:25,619 INFO L138 BoogieDeclarations]: Found implementation of procedure AscIsChipHalted [2021-11-25 19:32:25,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_isa_unregister_driver_120 [2021-11-25 19:32:25,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_isa_unregister_driver_120 [2021-11-25 19:32:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2021-11-25 19:32:25,620 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2021-11-25 19:32:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure AdvISR [2021-11-25 19:32:25,620 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvISR [2021-11-25 19:32:25,620 INFO L130 BoogieDeclarations]: Found specification of procedure AscFindSignature [2021-11-25 19:32:25,625 INFO L138 BoogieDeclarations]: Found implementation of procedure AscFindSignature [2021-11-25 19:32:25,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-25 19:32:25,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-25 19:32:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_host_template_instance_probe_4_10 [2021-11-25 19:32:25,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_host_template_instance_probe_4_10 [2021-11-25 19:32:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sglist [2021-11-25 19:32:25,626 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sglist [2021-11-25 19:32:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-25 19:32:25,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-25 19:32:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_wide_free_mem [2021-11-25 19:32:25,628 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_wide_free_mem [2021-11-25 19:32:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure AscSetLibErrorCode [2021-11-25 19:32:25,629 INFO L138 BoogieDeclarations]: Found implementation of procedure AscSetLibErrorCode [2021-11-25 19:32:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-25 19:32:25,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-25 19:32:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure asc_isr_callback [2021-11-25 19:32:25,629 INFO L138 BoogieDeclarations]: Found implementation of procedure asc_isr_callback [2021-11-25 19:32:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-25 19:32:25,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-25 19:32:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-25 19:32:25,630 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-25 19:32:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:32:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-25 19:32:25,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-25 19:32:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_isa_remove [2021-11-25 19:32:25,631 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_isa_remove [2021-11-25 19:32:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_alloc [2021-11-25 19:32:25,632 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_alloc [2021-11-25 19:32:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure AscMemWordCopyPtrFromLram [2021-11-25 19:32:25,632 INFO L138 BoogieDeclarations]: Found implementation of procedure AscMemWordCopyPtrFromLram [2021-11-25 19:32:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 19:32:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_map [2021-11-25 19:32:25,633 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_map [2021-11-25 19:32:25,633 INFO L130 BoogieDeclarations]: Found specification of procedure AdvInitAsc38C0800Driver [2021-11-25 19:32:25,633 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvInitAsc38C0800Driver [2021-11-25 19:32:25,633 INFO L130 BoogieDeclarations]: Found specification of procedure AscSetChipSDTR [2021-11-25 19:32:25,633 INFO L138 BoogieDeclarations]: Found implementation of procedure AscSetChipSDTR [2021-11-25 19:32:25,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_101 [2021-11-25 19:32:25,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_101 [2021-11-25 19:32:25,634 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-11-25 19:32:25,634 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-11-25 19:32:25,634 INFO L130 BoogieDeclarations]: Found specification of procedure AdvSendIdleCmd [2021-11-25 19:32:25,634 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvSendIdleCmd [2021-11-25 19:32:25,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 19:32:25,635 INFO L130 BoogieDeclarations]: Found specification of procedure AscGetNumOfFreeQueue [2021-11-25 19:32:25,635 INFO L138 BoogieDeclarations]: Found implementation of procedure AscGetNumOfFreeQueue [2021-11-25 19:32:25,635 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 19:32:25,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 19:32:25,636 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-11-25 19:32:25,636 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-11-25 19:32:25,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-25 19:32:25,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-25 19:32:25,636 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-25 19:32:25,637 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-25 19:32:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-25 19:32:25,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-25 19:32:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-11-25 19:32:25,637 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-11-25 19:32:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-25 19:32:25,638 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-25 19:32:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure AscInitAsc1000Driver [2021-11-25 19:32:25,638 INFO L138 BoogieDeclarations]: Found implementation of procedure AscInitAsc1000Driver [2021-11-25 19:32:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-25 19:32:25,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-25 19:32:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-11-25 19:32:25,639 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-11-25 19:32:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-25 19:32:25,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-25 19:32:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-25 19:32:25,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-25 19:32:25,640 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2021-11-25 19:32:25,640 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2021-11-25 19:32:25,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_host_alloc [2021-11-25 19:32:25,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_host_alloc [2021-11-25 19:32:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_change_queue_depth [2021-11-25 19:32:25,641 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_change_queue_depth [2021-11-25 19:32:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure asc_get_eeprom_string [2021-11-25 19:32:25,641 INFO L138 BoogieDeclarations]: Found implementation of procedure asc_get_eeprom_string [2021-11-25 19:32:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-25 19:32:25,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-25 19:32:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-25 19:32:25,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-25 19:32:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-25 19:32:25,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-25 19:32:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure AscWriteEEPCmdReg [2021-11-25 19:32:25,643 INFO L138 BoogieDeclarations]: Found implementation of procedure AscWriteEEPCmdReg [2021-11-25 19:32:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-25 19:32:25,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-25 19:32:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-25 19:32:25,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-25 19:32:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 19:32:25,644 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 19:32:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_reset [2021-11-25 19:32:25,644 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_reset [2021-11-25 19:32:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure eisa_driver_unregister [2021-11-25 19:32:25,645 INFO L138 BoogieDeclarations]: Found implementation of procedure eisa_driver_unregister [2021-11-25 19:32:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:32:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure AscStopChip [2021-11-25 19:32:25,645 INFO L138 BoogieDeclarations]: Found implementation of procedure AscStopChip [2021-11-25 19:32:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_info [2021-11-25 19:32:25,646 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_info [2021-11-25 19:32:25,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-25 19:32:25,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-25 19:32:25,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 19:32:25,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 19:32:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-25 19:32:25,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-25 19:32:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_eisa_probe [2021-11-25 19:32:25,647 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_eisa_probe [2021-11-25 19:32:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure AscWriteEEPWord [2021-11-25 19:32:25,647 INFO L138 BoogieDeclarations]: Found implementation of procedure AscWriteEEPWord [2021-11-25 19:32:25,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_7_2 [2021-11-25 19:32:25,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_7_2 [2021-11-25 19:32:25,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_host_template_instance_release_4_2 [2021-11-25 19:32:25,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_host_template_instance_release_4_2 [2021-11-25 19:32:25,648 INFO L130 BoogieDeclarations]: Found specification of procedure AdvInitAsc3550Driver [2021-11-25 19:32:25,649 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvInitAsc3550Driver [2021-11-25 19:32:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure AscWriteLramWord [2021-11-25 19:32:25,649 INFO L138 BoogieDeclarations]: Found implementation of procedure AscWriteLramWord [2021-11-25 19:32:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-25 19:32:25,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-25 19:32:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure AdvBuildCarrierFreelist [2021-11-25 19:32:25,650 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvBuildCarrierFreelist [2021-11-25 19:32:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure AscStartChip [2021-11-25 19:32:25,650 INFO L138 BoogieDeclarations]: Found implementation of procedure AscStartChip [2021-11-25 19:32:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure AscReadLramWord [2021-11-25 19:32:25,651 INFO L138 BoogieDeclarations]: Found implementation of procedure AscReadLramWord [2021-11-25 19:32:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-25 19:32:25,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-25 19:32:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure AscSetChipIH [2021-11-25 19:32:25,651 INFO L138 BoogieDeclarations]: Found implementation of procedure AscSetChipIH [2021-11-25 19:32:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-11-25 19:32:25,652 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-11-25 19:32:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure AscPutReadyQueue [2021-11-25 19:32:25,652 INFO L138 BoogieDeclarations]: Found implementation of procedure AscPutReadyQueue [2021-11-25 19:32:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-25 19:32:25,652 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-25 19:32:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_set_resid [2021-11-25 19:32:25,653 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_set_resid [2021-11-25 19:32:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:32:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-11-25 19:32:25,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-11-25 19:32:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2021-11-25 19:32:25,654 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2021-11-25 19:32:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-11-25 19:32:25,654 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-11-25 19:32:27,447 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:32:27,454 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:32:28,167 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 19:33:13,182 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:33:18,897 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:33:18,898 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-25 19:33:18,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:33:18 BoogieIcfgContainer [2021-11-25 19:33:18,910 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:33:18,914 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:33:18,915 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:33:18,919 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:33:18,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:32:13" (1/3) ... [2021-11-25 19:33:18,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@709938b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:33:18, skipping insertion in model container [2021-11-25 19:33:18,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:23" (2/3) ... [2021-11-25 19:33:18,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@709938b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:33:18, skipping insertion in model container [2021-11-25 19:33:18,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:33:18" (3/3) ... [2021-11-25 19:33:18,925 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--scsi--advansys.ko.cil.i [2021-11-25 19:33:18,933 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:33:18,933 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2021-11-25 19:33:19,033 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:33:19,051 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 19:33:19,059 INFO L340 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2021-11-25 19:33:19,332 INFO L276 IsEmpty]: Start isEmpty. Operand has 3439 states, 1959 states have (on average 1.3221031138335886) internal successors, (2590), 2073 states have internal predecessors, (2590), 1295 states have call successors, (1295), 161 states have call predecessors, (1295), 160 states have return successors, (1291), 1288 states have call predecessors, (1291), 1291 states have call successors, (1291) [2021-11-25 19:33:19,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-25 19:33:19,344 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:33:19,346 INFO L514 BasicCegarLoop]: 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] [2021-11-25 19:33:19,346 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 19:33:19,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:33:19,353 INFO L85 PathProgramCache]: Analyzing trace with hash 977095339, now seen corresponding path program 1 times [2021-11-25 19:33:19,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:33:19,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995015676] [2021-11-25 19:33:19,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:33:19,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:33:20,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:33:20,562 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 19:33:20,563 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:33:20,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995015676] [2021-11-25 19:33:20,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995015676] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:33:20,564 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:33:20,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:33:20,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630481859] [2021-11-25 19:33:20,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:33:20,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 19:33:20,572 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:33:20,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 19:33:20,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:33:20,620 INFO L87 Difference]: Start difference. First operand has 3439 states, 1959 states have (on average 1.3221031138335886) internal successors, (2590), 2073 states have internal predecessors, (2590), 1295 states have call successors, (1295), 161 states have call predecessors, (1295), 160 states have return successors, (1291), 1288 states have call predecessors, (1291), 1291 states have call successors, (1291) Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-11-25 19:33:24,067 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:33:26,227 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:33:29,798 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:33:31,407 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:33:33,433 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:33:35,473 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:33:38,074 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:33:44,000 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:33:46,030 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:33:48,082 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:33:50,092 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:33:52,112 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:33:54,134 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:34:01,175 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:34:14,609 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:34:19,032 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:34:20,461 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:34:22,485 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:34:26,156 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:34:35,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:34:35,296 INFO L93 Difference]: Finished difference Result 9447 states and 14552 transitions. [2021-11-25 19:34:35,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 19:34:35,299 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 58 [2021-11-25 19:34:35,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:34:35,391 INFO L225 Difference]: With dead ends: 9447 [2021-11-25 19:34:35,392 INFO L226 Difference]: Without dead ends: 5997 [2021-11-25 19:34:35,441 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-25 19:34:35,445 INFO L933 BasicCegarLoop]: 5882 mSDtfsCounter, 5454 mSDsluCounter, 7692 mSDsCounter, 0 mSdLazyCounter, 7805 mSolverCounterSat, 2516 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6410 SdHoareTripleChecker+Valid, 12830 SdHoareTripleChecker+Invalid, 10337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2516 IncrementalHoareTripleChecker+Valid, 7805 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 73.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:34:35,446 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6410 Valid, 12830 Invalid, 10337 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2516 Valid, 7805 Invalid, 16 Unknown, 0 Unchecked, 73.4s Time] [2021-11-25 19:34:35,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5997 states. [2021-11-25 19:34:36,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5997 to 5457. [2021-11-25 19:34:36,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5457 states, 3065 states have (on average 1.299836867862969) internal successors, (3984), 3241 states have internal predecessors, (3984), 2093 states have call successors, (2093), 261 states have call predecessors, (2093), 271 states have return successors, (2145), 2092 states have call predecessors, (2145), 2091 states have call successors, (2145) [2021-11-25 19:34:36,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5457 states to 5457 states and 8222 transitions. [2021-11-25 19:34:36,737 INFO L78 Accepts]: Start accepts. Automaton has 5457 states and 8222 transitions. Word has length 58 [2021-11-25 19:34:36,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:34:36,739 INFO L470 AbstractCegarLoop]: Abstraction has 5457 states and 8222 transitions. [2021-11-25 19:34:36,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-11-25 19:34:36,739 INFO L276 IsEmpty]: Start isEmpty. Operand 5457 states and 8222 transitions. [2021-11-25 19:34:36,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-25 19:34:36,746 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:34:36,746 INFO L514 BasicCegarLoop]: 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] [2021-11-25 19:34:36,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 19:34:36,747 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 19:34:36,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:34:36,748 INFO L85 PathProgramCache]: Analyzing trace with hash 370338507, now seen corresponding path program 1 times [2021-11-25 19:34:36,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:34:36,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691660817] [2021-11-25 19:34:36,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:34:36,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:34:36,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:34:37,211 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 19:34:37,212 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:34:37,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691660817] [2021-11-25 19:34:37,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691660817] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:34:37,213 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:34:37,213 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:34:37,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923939264] [2021-11-25 19:34:37,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:34:37,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:34:37,215 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:34:37,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:34:37,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:34:37,216 INFO L87 Difference]: Start difference. First operand 5457 states and 8222 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-25 19:34:40,088 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:34:42,125 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:34:43,655 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:34:45,676 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:34:47,711 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:34:50,012 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:34:52,300 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:34:53,604 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:34:58,845 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:35:04,849 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:35:08,245 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:35:10,270 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:35:12,282 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:35:14,384 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:35:16,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:35:16,725 INFO L93 Difference]: Finished difference Result 7345 states and 11043 transitions. [2021-11-25 19:35:16,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:35:16,726 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 63 [2021-11-25 19:35:16,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:35:16,805 INFO L225 Difference]: With dead ends: 7345 [2021-11-25 19:35:16,805 INFO L226 Difference]: Without dead ends: 7343 [2021-11-25 19:35:16,811 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:35:16,813 INFO L933 BasicCegarLoop]: 6820 mSDtfsCounter, 3215 mSDsluCounter, 11844 mSDsCounter, 0 mSdLazyCounter, 1374 mSolverCounterSat, 0 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3221 SdHoareTripleChecker+Valid, 17801 SdHoareTripleChecker+Invalid, 1384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1374 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.9s IncrementalHoareTripleChecker+Time [2021-11-25 19:35:16,813 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3221 Valid, 17801 Invalid, 1384 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1374 Invalid, 10 Unknown, 0 Unchecked, 38.9s Time] [2021-11-25 19:35:16,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7343 states. [2021-11-25 19:35:17,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7343 to 7225. [2021-11-25 19:35:17,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7225 states, 4016 states have (on average 1.294820717131474) internal successors, (5200), 4231 states have internal predecessors, (5200), 2807 states have call successors, (2807), 364 states have call predecessors, (2807), 375 states have return successors, (2865), 2804 states have call predecessors, (2865), 2805 states have call successors, (2865) [2021-11-25 19:35:17,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7225 states to 7225 states and 10872 transitions. [2021-11-25 19:35:17,822 INFO L78 Accepts]: Start accepts. Automaton has 7225 states and 10872 transitions. Word has length 63 [2021-11-25 19:35:17,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:35:17,823 INFO L470 AbstractCegarLoop]: Abstraction has 7225 states and 10872 transitions. [2021-11-25 19:35:17,824 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-25 19:35:17,824 INFO L276 IsEmpty]: Start isEmpty. Operand 7225 states and 10872 transitions. [2021-11-25 19:35:17,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-25 19:35:17,829 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:35:17,830 INFO L514 BasicCegarLoop]: 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] [2021-11-25 19:35:17,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 19:35:17,830 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 19:35:17,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:35:17,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1050406398, now seen corresponding path program 1 times [2021-11-25 19:35:17,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:35:17,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687812142] [2021-11-25 19:35:17,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:35:17,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:35:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:35:18,228 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 19:35:18,229 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:35:18,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687812142] [2021-11-25 19:35:18,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687812142] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:35:18,229 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:35:18,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:35:18,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847622150] [2021-11-25 19:35:18,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:35:18,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:35:18,230 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:35:18,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:35:18,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:35:18,232 INFO L87 Difference]: Start difference. First operand 7225 states and 10872 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (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) [2021-11-25 19:35:20,972 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:35:23,148 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:35:24,745 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:35:26,777 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:35:28,531 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:35:30,795 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:35:33,024 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:35:37,013 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:35:39,041 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:35:43,610 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:35:47,967 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:35:49,992 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:35:52,007 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:35:54,096 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:35:55,966 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:35:56,984 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:35:58,098 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:35:59,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:35:59,581 INFO L93 Difference]: Finished difference Result 7243 states and 10883 transitions. [2021-11-25 19:35:59,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:35:59,582 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 68 [2021-11-25 19:35:59,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:35:59,648 INFO L225 Difference]: With dead ends: 7243 [2021-11-25 19:35:59,648 INFO L226 Difference]: Without dead ends: 7241 [2021-11-25 19:35:59,653 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:35:59,654 INFO L933 BasicCegarLoop]: 6816 mSDtfsCounter, 3212 mSDsluCounter, 11840 mSDsCounter, 0 mSdLazyCounter, 1374 mSolverCounterSat, 0 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3218 SdHoareTripleChecker+Valid, 17793 SdHoareTripleChecker+Invalid, 1384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1374 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.9s IncrementalHoareTripleChecker+Time [2021-11-25 19:35:59,654 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3218 Valid, 17793 Invalid, 1384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1374 Invalid, 10 Unknown, 0 Unchecked, 40.9s Time] [2021-11-25 19:35:59,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7241 states. [2021-11-25 19:36:00,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7241 to 7223. [2021-11-25 19:36:00,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7223 states, 4015 states have (on average 1.2946450809464507) internal successors, (5198), 4229 states have internal predecessors, (5198), 2807 states have call successors, (2807), 364 states have call predecessors, (2807), 375 states have return successors, (2865), 2804 states have call predecessors, (2865), 2805 states have call successors, (2865) [2021-11-25 19:36:00,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7223 states to 7223 states and 10870 transitions. [2021-11-25 19:36:00,611 INFO L78 Accepts]: Start accepts. Automaton has 7223 states and 10870 transitions. Word has length 68 [2021-11-25 19:36:00,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:36:00,613 INFO L470 AbstractCegarLoop]: Abstraction has 7223 states and 10870 transitions. [2021-11-25 19:36:00,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (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) [2021-11-25 19:36:00,614 INFO L276 IsEmpty]: Start isEmpty. Operand 7223 states and 10870 transitions. [2021-11-25 19:36:00,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-25 19:36:00,621 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:36:00,622 INFO L514 BasicCegarLoop]: 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] [2021-11-25 19:36:00,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 19:36:00,623 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 19:36:00,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:36:00,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1805296263, now seen corresponding path program 1 times [2021-11-25 19:36:00,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:36:00,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697723352] [2021-11-25 19:36:00,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:36:00,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:36:00,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:36:01,090 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 19:36:01,091 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:36:01,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697723352] [2021-11-25 19:36:01,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697723352] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:36:01,091 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:36:01,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:36:01,092 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532334300] [2021-11-25 19:36:01,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:36:01,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:36:01,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:36:01,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:36:01,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:36:01,093 INFO L87 Difference]: Start difference. First operand 7223 states and 10870 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (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) [2021-11-25 19:36:03,962 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:36:06,004 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:36:07,510 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:36:08,867 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:36:10,388 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:36:12,603 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:36:14,886 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:36:16,523 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:36:19,180 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:36:21,176 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:36:25,121 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:36:29,256 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:36:31,135 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:36:33,158 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:36:35,248 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:36:36,756 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:36:39,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:36:39,842 INFO L93 Difference]: Finished difference Result 7241 states and 10881 transitions. [2021-11-25 19:36:39,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:36:39,842 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 73 [2021-11-25 19:36:39,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:36:39,907 INFO L225 Difference]: With dead ends: 7241 [2021-11-25 19:36:39,907 INFO L226 Difference]: Without dead ends: 7239 [2021-11-25 19:36:39,914 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:36:39,915 INFO L933 BasicCegarLoop]: 6814 mSDtfsCounter, 3209 mSDsluCounter, 11838 mSDsCounter, 0 mSdLazyCounter, 1377 mSolverCounterSat, 0 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3215 SdHoareTripleChecker+Valid, 17789 SdHoareTripleChecker+Invalid, 1384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1377 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:36:39,915 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3215 Valid, 17789 Invalid, 1384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1377 Invalid, 7 Unknown, 0 Unchecked, 38.4s Time] [2021-11-25 19:36:39,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7239 states. [2021-11-25 19:36:40,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7239 to 7221. [2021-11-25 19:36:40,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7221 states, 4014 states have (on average 1.2944693572496264) internal successors, (5196), 4227 states have internal predecessors, (5196), 2807 states have call successors, (2807), 364 states have call predecessors, (2807), 375 states have return successors, (2865), 2804 states have call predecessors, (2865), 2805 states have call successors, (2865) [2021-11-25 19:36:40,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7221 states to 7221 states and 10868 transitions. [2021-11-25 19:36:40,795 INFO L78 Accepts]: Start accepts. Automaton has 7221 states and 10868 transitions. Word has length 73 [2021-11-25 19:36:40,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:36:40,795 INFO L470 AbstractCegarLoop]: Abstraction has 7221 states and 10868 transitions. [2021-11-25 19:36:40,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (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) [2021-11-25 19:36:40,796 INFO L276 IsEmpty]: Start isEmpty. Operand 7221 states and 10868 transitions. [2021-11-25 19:36:40,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-25 19:36:40,801 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:36:40,801 INFO L514 BasicCegarLoop]: 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] [2021-11-25 19:36:40,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 19:36:40,803 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 19:36:40,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:36:40,803 INFO L85 PathProgramCache]: Analyzing trace with hash -79180130, now seen corresponding path program 1 times [2021-11-25 19:36:40,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:36:40,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557250012] [2021-11-25 19:36:40,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:36:40,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:36:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:36:41,318 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 19:36:41,318 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:36:41,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557250012] [2021-11-25 19:36:41,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557250012] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:36:41,319 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:36:41,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:36:41,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860018643] [2021-11-25 19:36:41,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:36:41,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:36:41,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:36:41,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:36:41,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:36:41,321 INFO L87 Difference]: Start difference. First operand 7221 states and 10868 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (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) [2021-11-25 19:36:44,139 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:36:46,234 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:36:48,163 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:36:50,122 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:36:51,606 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:36:53,838 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:36:56,050 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:36:58,117 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:36:59,715 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:37:02,261 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:37:03,934 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:37:08,828 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:37:10,515 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:37:12,862 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:37:14,880 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:37:16,903 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:37:19,009 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:37:20,690 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:37:23,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:37:23,227 INFO L93 Difference]: Finished difference Result 7380 states and 11084 transitions. [2021-11-25 19:37:23,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:37:23,228 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 78 [2021-11-25 19:37:23,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:37:23,274 INFO L225 Difference]: With dead ends: 7380 [2021-11-25 19:37:23,275 INFO L226 Difference]: Without dead ends: 7378 [2021-11-25 19:37:23,279 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:37:23,281 INFO L933 BasicCegarLoop]: 6812 mSDtfsCounter, 3205 mSDsluCounter, 11835 mSDsCounter, 0 mSdLazyCounter, 1375 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3211 SdHoareTripleChecker+Valid, 17785 SdHoareTripleChecker+Invalid, 1384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1375 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.6s IncrementalHoareTripleChecker+Time [2021-11-25 19:37:23,281 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3211 Valid, 17785 Invalid, 1384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1375 Invalid, 9 Unknown, 0 Unchecked, 41.6s Time] [2021-11-25 19:37:23,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7378 states. [2021-11-25 19:37:24,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7378 to 7350. [2021-11-25 19:37:24,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7350 states, 4100 states have (on average 1.2946341463414635) internal successors, (5308), 4315 states have internal predecessors, (5308), 2838 states have call successors, (2838), 377 states have call predecessors, (2838), 388 states have return successors, (2896), 2834 states have call predecessors, (2896), 2836 states have call successors, (2896) [2021-11-25 19:37:24,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7350 states to 7350 states and 11042 transitions. [2021-11-25 19:37:24,076 INFO L78 Accepts]: Start accepts. Automaton has 7350 states and 11042 transitions. Word has length 78 [2021-11-25 19:37:24,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:37:24,077 INFO L470 AbstractCegarLoop]: Abstraction has 7350 states and 11042 transitions. [2021-11-25 19:37:24,077 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (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) [2021-11-25 19:37:24,077 INFO L276 IsEmpty]: Start isEmpty. Operand 7350 states and 11042 transitions. [2021-11-25 19:37:24,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-25 19:37:24,079 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:37:24,080 INFO L514 BasicCegarLoop]: 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] [2021-11-25 19:37:24,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 19:37:24,080 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 19:37:24,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:37:24,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1123101031, now seen corresponding path program 1 times [2021-11-25 19:37:24,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:37:24,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801050229] [2021-11-25 19:37:24,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:37:24,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:37:24,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:37:24,488 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 19:37:24,489 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:37:24,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801050229] [2021-11-25 19:37:24,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801050229] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:37:24,489 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:37:24,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:37:24,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610487048] [2021-11-25 19:37:24,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:37:24,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:37:24,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:37:24,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:37:24,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:37:24,491 INFO L87 Difference]: Start difference. First operand 7350 states and 11042 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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) [2021-11-25 19:37:27,330 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:37:29,366 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:37:30,799 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:37:32,824 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:37:34,236 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:37:36,468 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:37:38,710 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:37:42,592 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:37:46,984 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:37:50,780 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:37:52,868 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:37:54,443 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:37:56,455 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:37:57,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:37:57,383 INFO L93 Difference]: Finished difference Result 7450 states and 11140 transitions. [2021-11-25 19:37:57,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:37:57,384 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 83 [2021-11-25 19:37:57,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:37:57,422 INFO L225 Difference]: With dead ends: 7450 [2021-11-25 19:37:57,422 INFO L226 Difference]: Without dead ends: 7448 [2021-11-25 19:37:57,427 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:37:57,428 INFO L933 BasicCegarLoop]: 6515 mSDtfsCounter, 2887 mSDsluCounter, 11517 mSDsCounter, 0 mSdLazyCounter, 1334 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2894 SdHoareTripleChecker+Valid, 17191 SdHoareTripleChecker+Invalid, 1343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1334 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:37:57,429 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2894 Valid, 17191 Invalid, 1343 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1334 Invalid, 9 Unknown, 0 Unchecked, 32.5s Time] [2021-11-25 19:37:57,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7448 states. [2021-11-25 19:37:58,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7448 to 7430. [2021-11-25 19:37:58,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7430 states, 4143 states have (on average 1.2925416364952933) internal successors, (5355), 4357 states have internal predecessors, (5355), 2857 states have call successors, (2857), 396 states have call predecessors, (2857), 407 states have return successors, (2915), 2853 states have call predecessors, (2915), 2855 states have call successors, (2915) [2021-11-25 19:37:58,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7430 states to 7430 states and 11127 transitions. [2021-11-25 19:37:58,251 INFO L78 Accepts]: Start accepts. Automaton has 7430 states and 11127 transitions. Word has length 83 [2021-11-25 19:37:58,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:37:58,252 INFO L470 AbstractCegarLoop]: Abstraction has 7430 states and 11127 transitions. [2021-11-25 19:37:58,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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) [2021-11-25 19:37:58,253 INFO L276 IsEmpty]: Start isEmpty. Operand 7430 states and 11127 transitions. [2021-11-25 19:37:58,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-25 19:37:58,262 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:37:58,262 INFO L514 BasicCegarLoop]: 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] [2021-11-25 19:37:58,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 19:37:58,263 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 19:37:58,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:37:58,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1679332504, now seen corresponding path program 1 times [2021-11-25 19:37:58,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:37:58,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630677764] [2021-11-25 19:37:58,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:37:58,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:37:58,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:37:58,632 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 19:37:58,632 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:37:58,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630677764] [2021-11-25 19:37:58,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630677764] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:37:58,633 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:37:58,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:37:58,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626221077] [2021-11-25 19:37:58,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:37:58,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:37:58,634 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:37:58,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:37:58,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:37:58,635 INFO L87 Difference]: Start difference. First operand 7430 states and 11127 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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) [2021-11-25 19:38:01,482 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:38:03,583 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:38:05,385 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:38:06,544 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:38:08,272 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:38:10,507 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:38:12,749 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:38:15,123 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:38:17,421 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:38:19,443 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:38:24,018 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:38:27,787 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:38:29,810 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:38:31,821 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:38:33,897 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:38:36,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:38:36,120 INFO L93 Difference]: Finished difference Result 7448 states and 11138 transitions. [2021-11-25 19:38:36,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:38:36,121 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 88 [2021-11-25 19:38:36,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:38:36,163 INFO L225 Difference]: With dead ends: 7448 [2021-11-25 19:38:36,163 INFO L226 Difference]: Without dead ends: 7446 [2021-11-25 19:38:36,169 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:38:36,170 INFO L933 BasicCegarLoop]: 6808 mSDtfsCounter, 3200 mSDsluCounter, 11832 mSDsCounter, 0 mSdLazyCounter, 1375 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3206 SdHoareTripleChecker+Valid, 17777 SdHoareTripleChecker+Invalid, 1384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1375 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:38:36,171 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3206 Valid, 17777 Invalid, 1384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1375 Invalid, 9 Unknown, 0 Unchecked, 37.1s Time] [2021-11-25 19:38:36,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7446 states. [2021-11-25 19:38:36,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7446 to 7428. [2021-11-25 19:38:36,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7428 states, 4142 states have (on average 1.2923708353452439) internal successors, (5353), 4355 states have internal predecessors, (5353), 2857 states have call successors, (2857), 396 states have call predecessors, (2857), 407 states have return successors, (2915), 2853 states have call predecessors, (2915), 2855 states have call successors, (2915) [2021-11-25 19:38:36,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7428 states to 7428 states and 11125 transitions. [2021-11-25 19:38:36,988 INFO L78 Accepts]: Start accepts. Automaton has 7428 states and 11125 transitions. Word has length 88 [2021-11-25 19:38:36,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:38:36,990 INFO L470 AbstractCegarLoop]: Abstraction has 7428 states and 11125 transitions. [2021-11-25 19:38:36,990 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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) [2021-11-25 19:38:36,990 INFO L276 IsEmpty]: Start isEmpty. Operand 7428 states and 11125 transitions. [2021-11-25 19:38:36,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-25 19:38:36,993 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:38:36,993 INFO L514 BasicCegarLoop]: 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] [2021-11-25 19:38:36,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 19:38:36,994 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 19:38:36,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:38:36,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1516220820, now seen corresponding path program 1 times [2021-11-25 19:38:36,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:38:36,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145045178] [2021-11-25 19:38:36,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:38:36,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:38:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:38:37,299 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 19:38:37,300 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:38:37,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145045178] [2021-11-25 19:38:37,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145045178] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:38:37,300 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:38:37,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:38:37,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452729121] [2021-11-25 19:38:37,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:38:37,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:38:37,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:38:37,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:38:37,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:38:37,302 INFO L87 Difference]: Start difference. First operand 7428 states and 11125 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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) [2021-11-25 19:38:40,178 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:38:42,286 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:38:44,499 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:38:46,738 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:38:48,984 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:38:57,341 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:39:00,639 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:39:02,664 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:39:04,683 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:39:06,765 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:39:08,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:39:08,807 INFO L93 Difference]: Finished difference Result 7446 states and 11136 transitions. [2021-11-25 19:39:08,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:39:08,807 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 93 [2021-11-25 19:39:08,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:39:08,841 INFO L225 Difference]: With dead ends: 7446 [2021-11-25 19:39:08,842 INFO L226 Difference]: Without dead ends: 7444 [2021-11-25 19:39:08,847 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:39:08,848 INFO L933 BasicCegarLoop]: 6511 mSDtfsCounter, 2885 mSDsluCounter, 11509 mSDsCounter, 0 mSdLazyCounter, 1333 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2892 SdHoareTripleChecker+Valid, 17179 SdHoareTripleChecker+Invalid, 1342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1333 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:39:08,849 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2892 Valid, 17179 Invalid, 1342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1333 Invalid, 9 Unknown, 0 Unchecked, 31.1s Time] [2021-11-25 19:39:08,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7444 states. [2021-11-25 19:39:09,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7444 to 7426. [2021-11-25 19:39:09,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7426 states, 4141 states have (on average 1.2921999517024874) internal successors, (5351), 4353 states have internal predecessors, (5351), 2857 states have call successors, (2857), 396 states have call predecessors, (2857), 407 states have return successors, (2915), 2853 states have call predecessors, (2915), 2855 states have call successors, (2915) [2021-11-25 19:39:09,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7426 states to 7426 states and 11123 transitions. [2021-11-25 19:39:09,699 INFO L78 Accepts]: Start accepts. Automaton has 7426 states and 11123 transitions. Word has length 93 [2021-11-25 19:39:09,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:39:09,700 INFO L470 AbstractCegarLoop]: Abstraction has 7426 states and 11123 transitions. [2021-11-25 19:39:09,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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) [2021-11-25 19:39:09,700 INFO L276 IsEmpty]: Start isEmpty. Operand 7426 states and 11123 transitions. [2021-11-25 19:39:09,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-25 19:39:09,705 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:39:09,705 INFO L514 BasicCegarLoop]: 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] [2021-11-25 19:39:09,706 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-25 19:39:09,706 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 19:39:09,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:39:09,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1094438039, now seen corresponding path program 1 times [2021-11-25 19:39:09,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:39:09,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954705163] [2021-11-25 19:39:09,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:39:09,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:39:09,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:39:10,099 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 19:39:10,099 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:39:10,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954705163] [2021-11-25 19:39:10,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954705163] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:39:10,099 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:39:10,100 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:39:10,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115042722] [2021-11-25 19:39:10,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:39:10,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:39:10,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:39:10,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:39:10,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:39:10,101 INFO L87 Difference]: Start difference. First operand 7426 states and 11123 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (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) [2021-11-25 19:39:13,065 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:39:15,111 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:39:17,327 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:39:19,561 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:39:21,866 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:39:28,115 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:39:31,846 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:39:33,911 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:39:37,593 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:39:38,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:39:38,698 INFO L93 Difference]: Finished difference Result 7444 states and 11134 transitions. [2021-11-25 19:39:38,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:39:38,698 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (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 95 [2021-11-25 19:39:38,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:39:38,724 INFO L225 Difference]: With dead ends: 7444 [2021-11-25 19:39:38,724 INFO L226 Difference]: Without dead ends: 7442 [2021-11-25 19:39:38,729 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:39:38,730 INFO L933 BasicCegarLoop]: 6509 mSDtfsCounter, 2877 mSDsluCounter, 11509 mSDsCounter, 0 mSdLazyCounter, 1331 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2884 SdHoareTripleChecker+Valid, 17179 SdHoareTripleChecker+Invalid, 1340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1331 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:39:38,730 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2884 Valid, 17179 Invalid, 1340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1331 Invalid, 9 Unknown, 0 Unchecked, 28.2s Time] [2021-11-25 19:39:38,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7442 states. [2021-11-25 19:39:39,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7442 to 7424. [2021-11-25 19:39:39,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7424 states, 4140 states have (on average 1.2920289855072464) internal successors, (5349), 4351 states have internal predecessors, (5349), 2857 states have call successors, (2857), 396 states have call predecessors, (2857), 407 states have return successors, (2915), 2853 states have call predecessors, (2915), 2855 states have call successors, (2915) [2021-11-25 19:39:39,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7424 states to 7424 states and 11121 transitions. [2021-11-25 19:39:39,585 INFO L78 Accepts]: Start accepts. Automaton has 7424 states and 11121 transitions. Word has length 95 [2021-11-25 19:39:39,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:39:39,586 INFO L470 AbstractCegarLoop]: Abstraction has 7424 states and 11121 transitions. [2021-11-25 19:39:39,586 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (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) [2021-11-25 19:39:39,586 INFO L276 IsEmpty]: Start isEmpty. Operand 7424 states and 11121 transitions. [2021-11-25 19:39:39,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-25 19:39:39,589 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:39:39,590 INFO L514 BasicCegarLoop]: 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] [2021-11-25 19:39:39,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-25 19:39:39,590 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 19:39:39,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:39:39,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1685771319, now seen corresponding path program 1 times [2021-11-25 19:39:39,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:39:39,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767853945] [2021-11-25 19:39:39,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:39:39,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:39:39,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:39:39,904 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 19:39:39,904 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:39:39,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767853945] [2021-11-25 19:39:39,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767853945] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:39:39,905 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:39:39,905 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:39:39,905 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582741803] [2021-11-25 19:39:39,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:39:39,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:39:39,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:39:39,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:39:39,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:39:39,907 INFO L87 Difference]: Start difference. First operand 7424 states and 11121 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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) [2021-11-25 19:39:42,734 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:39:44,780 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:39:46,386 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:39:48,408 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:39:50,439 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:39:52,686 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:39:54,905 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:39:59,309 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:40:00,781 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:40:05,533 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:40:09,461 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:40:11,524 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:40:15,274 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:40:16,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:40:16,604 INFO L93 Difference]: Finished difference Result 7442 states and 11132 transitions. [2021-11-25 19:40:16,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:40:16,617 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 100 [2021-11-25 19:40:16,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:40:16,743 INFO L225 Difference]: With dead ends: 7442 [2021-11-25 19:40:16,747 INFO L226 Difference]: Without dead ends: 7440 [2021-11-25 19:40:16,749 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:40:16,750 INFO L933 BasicCegarLoop]: 6802 mSDtfsCounter, 3192 mSDsluCounter, 11824 mSDsCounter, 0 mSdLazyCounter, 1372 mSolverCounterSat, 0 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3198 SdHoareTripleChecker+Valid, 17765 SdHoareTripleChecker+Invalid, 1382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1372 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:40:16,750 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3198 Valid, 17765 Invalid, 1382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1372 Invalid, 10 Unknown, 0 Unchecked, 36.3s Time] [2021-11-25 19:40:16,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7440 states. [2021-11-25 19:40:17,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7440 to 7422. [2021-11-25 19:40:17,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7422 states, 4139 states have (on average 1.2918579366996858) internal successors, (5347), 4349 states have internal predecessors, (5347), 2857 states have call successors, (2857), 396 states have call predecessors, (2857), 407 states have return successors, (2915), 2853 states have call predecessors, (2915), 2855 states have call successors, (2915) [2021-11-25 19:40:17,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7422 states to 7422 states and 11119 transitions. [2021-11-25 19:40:17,302 INFO L78 Accepts]: Start accepts. Automaton has 7422 states and 11119 transitions. Word has length 100 [2021-11-25 19:40:17,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:40:17,303 INFO L470 AbstractCegarLoop]: Abstraction has 7422 states and 11119 transitions. [2021-11-25 19:40:17,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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) [2021-11-25 19:40:17,303 INFO L276 IsEmpty]: Start isEmpty. Operand 7422 states and 11119 transitions. [2021-11-25 19:40:17,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-25 19:40:17,307 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:40:17,307 INFO L514 BasicCegarLoop]: 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] [2021-11-25 19:40:17,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-25 19:40:17,308 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 19:40:17,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:40:17,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1847360671, now seen corresponding path program 1 times [2021-11-25 19:40:17,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:40:17,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488765758] [2021-11-25 19:40:17,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:40:17,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:40:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:40:17,627 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 19:40:17,627 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:40:17,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488765758] [2021-11-25 19:40:17,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488765758] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:40:17,627 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:40:17,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:40:17,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267197400] [2021-11-25 19:40:17,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:40:17,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:40:17,628 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:40:17,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:40:17,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:40:17,629 INFO L87 Difference]: Start difference. First operand 7422 states and 11119 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (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) [2021-11-25 19:40:20,585 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:40:22,680 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:40:24,904 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:40:27,155 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:40:29,432 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:40:36,872 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:40:41,624 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:40:43,737 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:40:46,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:40:46,918 INFO L93 Difference]: Finished difference Result 7440 states and 11130 transitions. [2021-11-25 19:40:46,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:40:46,920 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 105 [2021-11-25 19:40:46,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:40:46,947 INFO L225 Difference]: With dead ends: 7440 [2021-11-25 19:40:46,947 INFO L226 Difference]: Without dead ends: 7438 [2021-11-25 19:40:46,951 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:40:46,952 INFO L933 BasicCegarLoop]: 6505 mSDtfsCounter, 2873 mSDsluCounter, 11507 mSDsCounter, 0 mSdLazyCounter, 1335 mSolverCounterSat, 0 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2880 SdHoareTripleChecker+Valid, 17171 SdHoareTripleChecker+Invalid, 1342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1335 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:40:46,952 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2880 Valid, 17171 Invalid, 1342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1335 Invalid, 7 Unknown, 0 Unchecked, 28.8s Time] [2021-11-25 19:40:46,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7438 states. [2021-11-25 19:40:47,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7438 to 7420. [2021-11-25 19:40:47,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7420 states, 4138 states have (on average 1.291686805219913) internal successors, (5345), 4347 states have internal predecessors, (5345), 2857 states have call successors, (2857), 396 states have call predecessors, (2857), 407 states have return successors, (2915), 2853 states have call predecessors, (2915), 2855 states have call successors, (2915) [2021-11-25 19:40:47,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7420 states to 7420 states and 11117 transitions. [2021-11-25 19:40:47,508 INFO L78 Accepts]: Start accepts. Automaton has 7420 states and 11117 transitions. Word has length 105 [2021-11-25 19:40:47,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:40:47,509 INFO L470 AbstractCegarLoop]: Abstraction has 7420 states and 11117 transitions. [2021-11-25 19:40:47,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (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) [2021-11-25 19:40:47,510 INFO L276 IsEmpty]: Start isEmpty. Operand 7420 states and 11117 transitions. [2021-11-25 19:40:47,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-25 19:40:47,514 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:40:47,514 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-25 19:40:47,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-25 19:40:47,515 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_net_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 19:40:47,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:40:47,516 INFO L85 PathProgramCache]: Analyzing trace with hash -663691487, now seen corresponding path program 1 times [2021-11-25 19:40:47,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:40:47,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576281637] [2021-11-25 19:40:47,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:40:47,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:40:47,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:40:47,931 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2021-11-25 19:40:47,931 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:40:47,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576281637] [2021-11-25 19:40:47,932 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576281637] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:40:47,932 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:40:47,932 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:40:47,932 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633680212] [2021-11-25 19:40:47,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:40:47,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:40:47,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:40:47,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:40:47,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:40:47,934 INFO L87 Difference]: Start difference. First operand 7420 states and 11117 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-25 19:40:50,560 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:40:52,607 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:40:54,801 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:40:57,043 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:40:59,256 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:41:05,295 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:41:07,833 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:41:09,849 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:41:11,948 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:41:13,615 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:41:14,644 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:41:17,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:41:17,433 INFO L93 Difference]: Finished difference Result 18740 states and 28162 transitions. [2021-11-25 19:41:17,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:41:17,434 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 132 [2021-11-25 19:41:17,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:41:17,488 INFO L225 Difference]: With dead ends: 18740 [2021-11-25 19:41:17,488 INFO L226 Difference]: Without dead ends: 11473 [2021-11-25 19:41:17,548 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:41:17,549 INFO L933 BasicCegarLoop]: 6542 mSDtfsCounter, 3642 mSDsluCounter, 4797 mSDsCounter, 0 mSdLazyCounter, 847 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3645 SdHoareTripleChecker+Valid, 10964 SdHoareTripleChecker+Invalid, 856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 847 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:41:17,549 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3645 Valid, 10964 Invalid, 856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 847 Invalid, 8 Unknown, 0 Unchecked, 28.8s Time] [2021-11-25 19:41:17,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11473 states. [2021-11-25 19:41:18,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11473 to 11446. [2021-11-25 19:41:18,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11446 states, 6389 states have (on average 1.2928470809203318) internal successors, (8260), 6701 states have internal predecessors, (8260), 4410 states have call successors, (4410), 603 states have call predecessors, (4410), 629 states have return successors, (4545), 4413 states have call predecessors, (4545), 4408 states have call successors, (4545) [2021-11-25 19:41:18,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11446 states to 11446 states and 17215 transitions. [2021-11-25 19:41:18,728 INFO L78 Accepts]: Start accepts. Automaton has 11446 states and 17215 transitions. Word has length 132 [2021-11-25 19:41:18,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:41:18,729 INFO L470 AbstractCegarLoop]: Abstraction has 11446 states and 17215 transitions. [2021-11-25 19:41:18,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-25 19:41:18,729 INFO L276 IsEmpty]: Start isEmpty. Operand 11446 states and 17215 transitions. [2021-11-25 19:41:18,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-25 19:41:18,733 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:41:18,733 INFO L514 BasicCegarLoop]: 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] [2021-11-25 19:41:18,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-25 19:41:18,734 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 19:41:18,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:41:18,734 INFO L85 PathProgramCache]: Analyzing trace with hash -9699119, now seen corresponding path program 1 times [2021-11-25 19:41:18,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:41:18,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877040929] [2021-11-25 19:41:18,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:41:18,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:41:18,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:41:19,111 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 19:41:19,111 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:41:19,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877040929] [2021-11-25 19:41:19,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877040929] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:41:19,112 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:41:19,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:41:19,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21315212] [2021-11-25 19:41:19,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:41:19,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:41:19,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:41:19,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:41:19,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:41:19,114 INFO L87 Difference]: Start difference. First operand 11446 states and 17215 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, (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) [2021-11-25 19:41:21,917 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:41:23,994 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:41:25,657 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:41:27,694 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:41:29,721 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:41:31,972 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:41:34,249 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:41:38,631 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:41:43,188 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:41:45,843 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:41:47,993 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:41:49,908 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:41:51,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:41:51,867 INFO L93 Difference]: Finished difference Result 11464 states and 17226 transitions. [2021-11-25 19:41:51,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:41:51,868 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, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 110 [2021-11-25 19:41:51,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:41:51,908 INFO L225 Difference]: With dead ends: 11464 [2021-11-25 19:41:51,908 INFO L226 Difference]: Without dead ends: 11462 [2021-11-25 19:41:51,915 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:41:51,916 INFO L933 BasicCegarLoop]: 6799 mSDtfsCounter, 3186 mSDsluCounter, 11821 mSDsCounter, 0 mSdLazyCounter, 1373 mSolverCounterSat, 0 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3192 SdHoareTripleChecker+Valid, 17759 SdHoareTripleChecker+Invalid, 1383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1373 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:41:51,916 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3192 Valid, 17759 Invalid, 1383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1373 Invalid, 10 Unknown, 0 Unchecked, 32.2s Time] [2021-11-25 19:41:52,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11462 states. [2021-11-25 19:41:52,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11462 to 11444. [2021-11-25 19:41:52,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11444 states, 6388 states have (on average 1.2927363807138383) internal successors, (8258), 6699 states have internal predecessors, (8258), 4410 states have call successors, (4410), 603 states have call predecessors, (4410), 629 states have return successors, (4545), 4413 states have call predecessors, (4545), 4408 states have call successors, (4545) [2021-11-25 19:41:52,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11444 states to 11444 states and 17213 transitions. [2021-11-25 19:41:52,868 INFO L78 Accepts]: Start accepts. Automaton has 11444 states and 17213 transitions. Word has length 110 [2021-11-25 19:41:52,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:41:52,869 INFO L470 AbstractCegarLoop]: Abstraction has 11444 states and 17213 transitions. [2021-11-25 19:41:52,869 INFO L471 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, (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) [2021-11-25 19:41:52,869 INFO L276 IsEmpty]: Start isEmpty. Operand 11444 states and 17213 transitions. [2021-11-25 19:41:52,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-25 19:41:52,872 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:41:52,873 INFO L514 BasicCegarLoop]: 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] [2021-11-25 19:41:52,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-25 19:41:52,873 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 19:41:52,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:41:52,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1033918784, now seen corresponding path program 1 times [2021-11-25 19:41:52,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:41:52,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397102721] [2021-11-25 19:41:52,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:41:52,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:41:53,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:41:53,324 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 19:41:53,324 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:41:53,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397102721] [2021-11-25 19:41:53,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397102721] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:41:53,325 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:41:53,325 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:41:53,325 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967596959] [2021-11-25 19:41:53,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:41:53,325 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:41:53,326 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:41:53,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:41:53,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:41:53,326 INFO L87 Difference]: Start difference. First operand 11444 states and 17213 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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) [2021-11-25 19:41:56,245 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:41:58,322 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:42:00,551 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:42:02,812 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:42:05,081 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:42:12,147 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:42:14,954 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:42:17,126 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:42:18,385 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:42:19,486 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:42:21,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:42:21,955 INFO L93 Difference]: Finished difference Result 11462 states and 17224 transitions. [2021-11-25 19:42:21,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:42:21,956 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 115 [2021-11-25 19:42:21,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:42:21,999 INFO L225 Difference]: With dead ends: 11462 [2021-11-25 19:42:21,999 INFO L226 Difference]: Without dead ends: 11460 [2021-11-25 19:42:22,008 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:42:22,009 INFO L933 BasicCegarLoop]: 6502 mSDtfsCounter, 2867 mSDsluCounter, 11503 mSDsCounter, 0 mSdLazyCounter, 1334 mSolverCounterSat, 0 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2874 SdHoareTripleChecker+Valid, 17165 SdHoareTripleChecker+Invalid, 1342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1334 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:42:22,010 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2874 Valid, 17165 Invalid, 1342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1334 Invalid, 8 Unknown, 0 Unchecked, 28.1s Time] [2021-11-25 19:42:22,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11460 states. [2021-11-25 19:42:22,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11460 to 11442. [2021-11-25 19:42:22,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11442 states, 6387 states have (on average 1.292625645843119) internal successors, (8256), 6697 states have internal predecessors, (8256), 4410 states have call successors, (4410), 603 states have call predecessors, (4410), 629 states have return successors, (4545), 4413 states have call predecessors, (4545), 4408 states have call successors, (4545) [2021-11-25 19:42:22,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11442 states to 11442 states and 17211 transitions. [2021-11-25 19:42:22,995 INFO L78 Accepts]: Start accepts. Automaton has 11442 states and 17211 transitions. Word has length 115 [2021-11-25 19:42:22,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:42:22,996 INFO L470 AbstractCegarLoop]: Abstraction has 11442 states and 17211 transitions. [2021-11-25 19:42:22,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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) [2021-11-25 19:42:22,997 INFO L276 IsEmpty]: Start isEmpty. Operand 11442 states and 17211 transitions. [2021-11-25 19:42:23,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-25 19:42:23,001 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:42:23,001 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-25 19:42:23,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-25 19:42:23,001 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_usb_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 19:42:23,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:42:23,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1212199747, now seen corresponding path program 1 times [2021-11-25 19:42:23,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:42:23,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145155053] [2021-11-25 19:42:23,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:42:23,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:42:23,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:42:23,536 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2021-11-25 19:42:23,536 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:42:23,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145155053] [2021-11-25 19:42:23,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145155053] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 19:42:23,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1279804469] [2021-11-25 19:42:23,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:42:23,537 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:42:23,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:42:23,542 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:42:23,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 19:42:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:42:25,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 4497 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 19:42:25,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:42:25,942 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2021-11-25 19:42:25,942 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:42:25,943 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1279804469] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:42:25,943 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 19:42:25,943 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2021-11-25 19:42:25,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033877854] [2021-11-25 19:42:25,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:42:25,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:42:25,945 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:42:25,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:42:25,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-25 19:42:25,946 INFO L87 Difference]: Start difference. First operand 11442 states and 17211 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-25 19:42:28,416 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:42:30,458 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:42:31,850 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:42:33,039 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:42:35,279 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:42:37,449 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:42:40,069 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:42:44,926 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:42:47,015 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:42:49,029 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:42:51,092 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:42:52,665 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:42:56,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:42:56,074 INFO L93 Difference]: Finished difference Result 23353 states and 35112 transitions. [2021-11-25 19:42:56,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:42:56,075 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 140 [2021-11-25 19:42:56,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:42:56,121 INFO L225 Difference]: With dead ends: 23353 [2021-11-25 19:42:56,121 INFO L226 Difference]: Without dead ends: 12064 [2021-11-25 19:42:56,197 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-25 19:42:56,198 INFO L933 BasicCegarLoop]: 6811 mSDtfsCounter, 3903 mSDsluCounter, 4819 mSDsCounter, 0 mSdLazyCounter, 862 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3905 SdHoareTripleChecker+Valid, 11253 SdHoareTripleChecker+Invalid, 870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 862 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:42:56,198 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3905 Valid, 11253 Invalid, 870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 862 Invalid, 7 Unknown, 0 Unchecked, 29.4s Time] [2021-11-25 19:42:56,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12064 states. [2021-11-25 19:42:57,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12064 to 12041. [2021-11-25 19:42:57,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12041 states, 6697 states have (on average 1.2874421382708676) internal successors, (8622), 7016 states have internal predecessors, (8622), 4639 states have call successors, (4639), 663 states have call predecessors, (4639), 689 states have return successors, (4774), 4640 states have call predecessors, (4774), 4637 states have call successors, (4774) [2021-11-25 19:42:57,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12041 states to 12041 states and 18035 transitions. [2021-11-25 19:42:57,128 INFO L78 Accepts]: Start accepts. Automaton has 12041 states and 18035 transitions. Word has length 140 [2021-11-25 19:42:57,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:42:57,129 INFO L470 AbstractCegarLoop]: Abstraction has 12041 states and 18035 transitions. [2021-11-25 19:42:57,129 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-25 19:42:57,129 INFO L276 IsEmpty]: Start isEmpty. Operand 12041 states and 18035 transitions. [2021-11-25 19:42:57,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-25 19:42:57,134 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:42:57,134 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 7, 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, 1] [2021-11-25 19:42:57,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-25 19:42:57,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-25 19:42:57,361 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 19:42:57,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:42:57,361 INFO L85 PathProgramCache]: Analyzing trace with hash -677205852, now seen corresponding path program 1 times [2021-11-25 19:42:57,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:42:57,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398862433] [2021-11-25 19:42:57,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:42:57,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:42:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:42:58,241 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-25 19:42:58,242 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:42:58,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398862433] [2021-11-25 19:42:58,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398862433] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 19:42:58,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [304041747] [2021-11-25 19:42:58,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:42:58,243 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:42:58,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:42:58,244 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:42:58,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 19:43:00,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:43:00,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 4610 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-25 19:43:00,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:43:01,258 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-11-25 19:43:01,259 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:43:01,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [304041747] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:43:01,259 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 19:43:01,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [9] total 17 [2021-11-25 19:43:01,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293163610] [2021-11-25 19:43:01,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:43:01,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 19:43:01,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:43:01,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 19:43:01,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2021-11-25 19:43:01,261 INFO L87 Difference]: Start difference. First operand 12041 states and 18035 transitions. Second operand has 12 states, 8 states have (on average 7.75) internal successors, (62), 10 states have internal predecessors, (62), 5 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (27), 6 states have call predecessors, (27), 5 states have call successors, (27) [2021-11-25 19:43:07,541 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:43:09,592 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:43:11,521 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:43:13,024 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:43:14,102 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:43:15,793 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:43:17,654 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:43:19,687 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:43:21,331 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:43:22,872 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:43:24,198 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:43:25,771 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:43:27,107 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:43:29,843 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:43:32,674 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:43:52,336 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:43:54,374 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:43:56,388 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:43:58,399 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:44:00,422 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:44:02,437 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:44:04,453 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:44:06,468 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:44:08,480 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:44:10,496 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:44:12,518 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:44:16,498 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:44:18,927 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:44:25,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:44:25,470 INFO L93 Difference]: Finished difference Result 24302 states and 36439 transitions. [2021-11-25 19:44:25,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-25 19:44:25,471 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 8 states have (on average 7.75) internal successors, (62), 10 states have internal predecessors, (62), 5 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (27), 6 states have call predecessors, (27), 5 states have call successors, (27) Word has length 154 [2021-11-25 19:44:25,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:44:25,532 INFO L225 Difference]: With dead ends: 24302 [2021-11-25 19:44:25,532 INFO L226 Difference]: Without dead ends: 12262 [2021-11-25 19:44:25,591 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2021-11-25 19:44:25,591 INFO L933 BasicCegarLoop]: 4683 mSDtfsCounter, 39 mSDsluCounter, 50788 mSDsCounter, 0 mSdLazyCounter, 5099 mSolverCounterSat, 12 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 80.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 51363 SdHoareTripleChecker+Invalid, 5128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 5099 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 83.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:44:25,592 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 51363 Invalid, 5128 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12 Valid, 5099 Invalid, 17 Unknown, 0 Unchecked, 83.0s Time] [2021-11-25 19:44:25,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12262 states. [2021-11-25 19:44:26,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12262 to 12071. [2021-11-25 19:44:26,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12071 states, 6717 states have (on average 1.2865862736340627) internal successors, (8642), 7036 states have internal predecessors, (8642), 4649 states have call successors, (4649), 663 states have call predecessors, (4649), 689 states have return successors, (4784), 4650 states have call predecessors, (4784), 4647 states have call successors, (4784) [2021-11-25 19:44:26,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12071 states to 12071 states and 18075 transitions. [2021-11-25 19:44:26,720 INFO L78 Accepts]: Start accepts. Automaton has 12071 states and 18075 transitions. Word has length 154 [2021-11-25 19:44:26,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:44:26,721 INFO L470 AbstractCegarLoop]: Abstraction has 12071 states and 18075 transitions. [2021-11-25 19:44:26,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 8 states have (on average 7.75) internal successors, (62), 10 states have internal predecessors, (62), 5 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (27), 6 states have call predecessors, (27), 5 states have call successors, (27) [2021-11-25 19:44:26,722 INFO L276 IsEmpty]: Start isEmpty. Operand 12071 states and 18075 transitions. [2021-11-25 19:44:26,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-25 19:44:26,725 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:44:26,726 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 7, 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, 1] [2021-11-25 19:44:26,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 19:44:26,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-11-25 19:44:26,953 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 19:44:26,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:44:26,953 INFO L85 PathProgramCache]: Analyzing trace with hash -2006111579, now seen corresponding path program 1 times [2021-11-25 19:44:26,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:44:26,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826379619] [2021-11-25 19:44:26,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:44:26,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:44:27,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:44:27,615 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-25 19:44:27,616 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:44:27,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826379619] [2021-11-25 19:44:27,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826379619] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 19:44:27,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540586150] [2021-11-25 19:44:27,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:44:27,617 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:44:27,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:44:27,618 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:44:27,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7df2b3-fc4c-417e-9f47-d9e88114eadb/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 19:44:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:44:29,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 4611 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-25 19:44:29,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:44:30,584 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-11-25 19:44:30,584 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:44:30,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540586150] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:44:30,585 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 19:44:30,585 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [9] total 17 [2021-11-25 19:44:30,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698415868] [2021-11-25 19:44:30,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:44:30,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 19:44:30,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:44:30,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 19:44:30,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2021-11-25 19:44:30,588 INFO L87 Difference]: Start difference. First operand 12071 states and 18075 transitions. Second operand has 12 states, 8 states have (on average 7.75) internal successors, (62), 10 states have internal predecessors, (62), 5 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (27), 6 states have call predecessors, (27), 5 states have call successors, (27) [2021-11-25 19:44:36,630 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:44:38,697 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:44:40,591 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:44:43,581 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:44:45,609 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:44:46,707 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:44:48,732 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:44:50,003 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:44:51,385 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:44:52,830 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:44:54,133 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:44:55,455 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:44:58,231 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:45:01,185 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []