./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ac352421032347d7bf5d3bf9ef59e7281826004c82f3c932b159f55f0c829686 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 15:53:25,012 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:53:25,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:53:25,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:53:25,035 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:53:25,036 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:53:25,037 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:53:25,039 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:53:25,041 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:53:25,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:53:25,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:53:25,045 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:53:25,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:53:25,046 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:53:25,047 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:53:25,049 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:53:25,050 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:53:25,051 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:53:25,052 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:53:25,054 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:53:25,056 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:53:25,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:53:25,059 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:53:25,060 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:53:25,063 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:53:25,064 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:53:25,064 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:53:25,065 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:53:25,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:53:25,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:53:25,068 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:53:25,069 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:53:25,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:53:25,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:53:25,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:53:25,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:53:25,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:53:25,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:53:25,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:53:25,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:53:25,076 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:53:25,082 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 15:53:25,115 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:53:25,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:53:25,121 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:53:25,121 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:53:25,122 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:53:25,122 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:53:25,123 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:53:25,123 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:53:25,123 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:53:25,123 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:53:25,124 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:53:25,125 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:53:25,125 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:53:25,125 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:53:25,125 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:53:25,125 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:53:25,126 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:53:25,126 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:53:25,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:53:25,127 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:53:25,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:53:25,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:53:25,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:53:25,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:53:25,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:53:25,128 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:53:25,128 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:53:25,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:53:25,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:53:25,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:53:25,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:53:25,129 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:53:25,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:53:25,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:53:25,130 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:53:25,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:53:25,131 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:53:25,131 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:53:25,131 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/bin/utaipan-Q6hlc19bkW/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac352421032347d7bf5d3bf9ef59e7281826004c82f3c932b159f55f0c829686 [2022-11-23 15:53:25,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:53:25,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:53:25,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:53:25,448 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:53:25,449 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:53:25,450 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i [2022-11-23 15:53:28,570 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:53:29,404 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:53:29,404 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i [2022-11-23 15:53:29,470 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/bin/utaipan-Q6hlc19bkW/data/60c69af81/603a97d1fb8b4f73afd7cb2e2b4f24d9/FLAG244245234 [2022-11-23 15:53:29,489 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/bin/utaipan-Q6hlc19bkW/data/60c69af81/603a97d1fb8b4f73afd7cb2e2b4f24d9 [2022-11-23 15:53:29,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:53:29,496 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:53:29,500 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:53:29,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:53:29,504 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:53:29,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:29" (1/1) ... [2022-11-23 15:53:29,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b7f418c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:29, skipping insertion in model container [2022-11-23 15:53:29,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:29" (1/1) ... [2022-11-23 15:53:29,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:53:29,714 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:53:34,972 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486469,486482] [2022-11-23 15:53:34,977 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486614,486627] [2022-11-23 15:53:34,977 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486760,486773] [2022-11-23 15:53:34,978 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486925,486938] [2022-11-23 15:53:34,979 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487083,487096] [2022-11-23 15:53:34,979 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487241,487254] [2022-11-23 15:53:34,986 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487399,487412] [2022-11-23 15:53:34,987 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487559,487572] [2022-11-23 15:53:34,988 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487718,487731] [2022-11-23 15:53:34,988 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487857,487870] [2022-11-23 15:53:34,989 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487999,488012] [2022-11-23 15:53:34,990 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488148,488161] [2022-11-23 15:53:34,991 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488287,488300] [2022-11-23 15:53:34,992 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488442,488455] [2022-11-23 15:53:34,992 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488602,488615] [2022-11-23 15:53:34,993 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488753,488766] [2022-11-23 15:53:34,994 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488904,488917] [2022-11-23 15:53:34,995 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489056,489069] [2022-11-23 15:53:34,995 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489205,489218] [2022-11-23 15:53:34,998 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489353,489366] [2022-11-23 15:53:34,999 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489510,489523] [2022-11-23 15:53:34,999 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489659,489672] [2022-11-23 15:53:35,000 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489815,489828] [2022-11-23 15:53:35,001 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489968,489981] [2022-11-23 15:53:35,002 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490114,490127] [2022-11-23 15:53:35,003 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490257,490270] [2022-11-23 15:53:35,003 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490409,490422] [2022-11-23 15:53:35,005 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490555,490568] [2022-11-23 15:53:35,005 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490700,490713] [2022-11-23 15:53:35,006 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490854,490867] [2022-11-23 15:53:35,006 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491005,491018] [2022-11-23 15:53:35,010 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491160,491173] [2022-11-23 15:53:35,011 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491312,491325] [2022-11-23 15:53:35,013 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491467,491480] [2022-11-23 15:53:35,013 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491631,491644] [2022-11-23 15:53:35,014 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491787,491800] [2022-11-23 15:53:35,016 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491951,491964] [2022-11-23 15:53:35,017 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492093,492106] [2022-11-23 15:53:35,018 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492251,492264] [2022-11-23 15:53:35,019 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492418,492431] [2022-11-23 15:53:35,020 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492577,492590] [2022-11-23 15:53:35,021 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492736,492749] [2022-11-23 15:53:35,021 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492885,492898] [2022-11-23 15:53:35,022 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493032,493045] [2022-11-23 15:53:35,023 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493171,493184] [2022-11-23 15:53:35,023 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493334,493347] [2022-11-23 15:53:35,024 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493500,493513] [2022-11-23 15:53:35,025 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493664,493677] [2022-11-23 15:53:35,026 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493829,493842] [2022-11-23 15:53:35,026 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493994,494007] [2022-11-23 15:53:35,027 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494160,494173] [2022-11-23 15:53:35,028 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494325,494338] [2022-11-23 15:53:35,028 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494492,494505] [2022-11-23 15:53:35,029 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494652,494665] [2022-11-23 15:53:35,030 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494814,494827] [2022-11-23 15:53:35,030 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494973,494986] [2022-11-23 15:53:35,031 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495119,495132] [2022-11-23 15:53:35,033 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495262,495275] [2022-11-23 15:53:35,033 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495406,495419] [2022-11-23 15:53:35,034 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495549,495562] [2022-11-23 15:53:35,035 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495693,495706] [2022-11-23 15:53:35,035 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495834,495847] [2022-11-23 15:53:35,036 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495972,495985] [2022-11-23 15:53:35,036 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496130,496143] [2022-11-23 15:53:35,037 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496289,496302] [2022-11-23 15:53:35,038 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496445,496458] [2022-11-23 15:53:35,039 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496594,496607] [2022-11-23 15:53:35,040 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496746,496759] [2022-11-23 15:53:35,040 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496897,496910] [2022-11-23 15:53:35,041 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497046,497059] [2022-11-23 15:53:35,042 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497198,497211] [2022-11-23 15:53:35,042 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497346,497359] [2022-11-23 15:53:35,043 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497499,497512] [2022-11-23 15:53:35,043 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497650,497663] [2022-11-23 15:53:35,044 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497800,497813] [2022-11-23 15:53:35,044 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497947,497960] [2022-11-23 15:53:35,045 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498098,498111] [2022-11-23 15:53:35,045 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498249,498262] [2022-11-23 15:53:35,046 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498397,498410] [2022-11-23 15:53:35,046 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498563,498576] [2022-11-23 15:53:35,047 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498732,498745] [2022-11-23 15:53:35,047 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498899,498912] [2022-11-23 15:53:35,048 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499067,499080] [2022-11-23 15:53:35,048 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499217,499230] [2022-11-23 15:53:35,049 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499364,499377] [2022-11-23 15:53:35,050 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499525,499538] [2022-11-23 15:53:35,050 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499695,499708] [2022-11-23 15:53:35,051 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499857,499870] [2022-11-23 15:53:35,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:53:35,109 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:53:35,671 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486469,486482] [2022-11-23 15:53:35,672 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486614,486627] [2022-11-23 15:53:35,672 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486760,486773] [2022-11-23 15:53:35,673 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[486925,486938] [2022-11-23 15:53:35,673 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487083,487096] [2022-11-23 15:53:35,674 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487241,487254] [2022-11-23 15:53:35,674 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487399,487412] [2022-11-23 15:53:35,674 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487559,487572] [2022-11-23 15:53:35,675 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487718,487731] [2022-11-23 15:53:35,675 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487857,487870] [2022-11-23 15:53:35,675 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[487999,488012] [2022-11-23 15:53:35,676 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488148,488161] [2022-11-23 15:53:35,677 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488287,488300] [2022-11-23 15:53:35,677 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488442,488455] [2022-11-23 15:53:35,678 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488602,488615] [2022-11-23 15:53:35,678 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488753,488766] [2022-11-23 15:53:35,678 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[488904,488917] [2022-11-23 15:53:35,679 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489056,489069] [2022-11-23 15:53:35,680 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489205,489218] [2022-11-23 15:53:35,680 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489353,489366] [2022-11-23 15:53:35,681 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489510,489523] [2022-11-23 15:53:35,681 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489659,489672] [2022-11-23 15:53:35,682 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489815,489828] [2022-11-23 15:53:35,682 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[489968,489981] [2022-11-23 15:53:35,683 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490114,490127] [2022-11-23 15:53:35,683 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490257,490270] [2022-11-23 15:53:35,685 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490409,490422] [2022-11-23 15:53:35,685 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490555,490568] [2022-11-23 15:53:35,685 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490700,490713] [2022-11-23 15:53:35,686 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[490854,490867] [2022-11-23 15:53:35,686 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491005,491018] [2022-11-23 15:53:35,687 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491160,491173] [2022-11-23 15:53:35,687 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491312,491325] [2022-11-23 15:53:35,687 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491467,491480] [2022-11-23 15:53:35,688 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491631,491644] [2022-11-23 15:53:35,689 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491787,491800] [2022-11-23 15:53:35,689 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[491951,491964] [2022-11-23 15:53:35,690 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492093,492106] [2022-11-23 15:53:35,691 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492251,492264] [2022-11-23 15:53:35,691 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492418,492431] [2022-11-23 15:53:35,692 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492577,492590] [2022-11-23 15:53:35,692 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492736,492749] [2022-11-23 15:53:35,693 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[492885,492898] [2022-11-23 15:53:35,693 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493032,493045] [2022-11-23 15:53:35,694 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493171,493184] [2022-11-23 15:53:35,694 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493334,493347] [2022-11-23 15:53:35,694 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493500,493513] [2022-11-23 15:53:35,695 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493664,493677] [2022-11-23 15:53:35,695 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493829,493842] [2022-11-23 15:53:35,696 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[493994,494007] [2022-11-23 15:53:35,696 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494160,494173] [2022-11-23 15:53:35,697 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494325,494338] [2022-11-23 15:53:35,698 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494492,494505] [2022-11-23 15:53:35,698 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494652,494665] [2022-11-23 15:53:35,700 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494814,494827] [2022-11-23 15:53:35,701 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[494973,494986] [2022-11-23 15:53:35,704 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495119,495132] [2022-11-23 15:53:35,705 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495262,495275] [2022-11-23 15:53:35,705 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495406,495419] [2022-11-23 15:53:35,706 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495549,495562] [2022-11-23 15:53:35,707 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495693,495706] [2022-11-23 15:53:35,708 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495834,495847] [2022-11-23 15:53:35,709 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[495972,495985] [2022-11-23 15:53:35,709 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496130,496143] [2022-11-23 15:53:35,715 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496289,496302] [2022-11-23 15:53:35,720 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496445,496458] [2022-11-23 15:53:35,720 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496594,496607] [2022-11-23 15:53:35,721 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496746,496759] [2022-11-23 15:53:35,721 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[496897,496910] [2022-11-23 15:53:35,721 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497046,497059] [2022-11-23 15:53:35,722 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497198,497211] [2022-11-23 15:53:35,722 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497346,497359] [2022-11-23 15:53:35,722 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497499,497512] [2022-11-23 15:53:35,723 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497650,497663] [2022-11-23 15:53:35,724 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497800,497813] [2022-11-23 15:53:35,725 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[497947,497960] [2022-11-23 15:53:35,725 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498098,498111] [2022-11-23 15:53:35,725 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498249,498262] [2022-11-23 15:53:35,727 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498397,498410] [2022-11-23 15:53:35,727 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498563,498576] [2022-11-23 15:53:35,728 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498732,498745] [2022-11-23 15:53:35,728 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[498899,498912] [2022-11-23 15:53:35,728 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499067,499080] [2022-11-23 15:53:35,729 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499217,499230] [2022-11-23 15:53:35,729 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499364,499377] [2022-11-23 15:53:35,730 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499525,499538] [2022-11-23 15:53:35,730 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499695,499708] [2022-11-23 15:53:35,730 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i[499857,499870] [2022-11-23 15:53:35,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:53:36,062 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:53:36,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:36 WrapperNode [2022-11-23 15:53:36,063 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:53:36,064 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:53:36,064 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:53:36,064 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:53:36,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:36" (1/1) ... [2022-11-23 15:53:36,248 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:36" (1/1) ... [2022-11-23 15:53:36,557 INFO L138 Inliner]: procedures = 746, calls = 3640, calls flagged for inlining = 396, calls inlined = 313, statements flattened = 8774 [2022-11-23 15:53:36,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:53:36,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:53:36,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:53:36,558 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:53:36,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:36" (1/1) ... [2022-11-23 15:53:36,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:36" (1/1) ... [2022-11-23 15:53:36,651 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:36" (1/1) ... [2022-11-23 15:53:36,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:36" (1/1) ... [2022-11-23 15:53:36,877 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:36" (1/1) ... [2022-11-23 15:53:36,913 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:36" (1/1) ... [2022-11-23 15:53:36,950 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:36" (1/1) ... [2022-11-23 15:53:36,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:36" (1/1) ... [2022-11-23 15:53:37,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:53:37,028 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:53:37,028 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:53:37,028 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:53:37,029 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:36" (1/1) ... [2022-11-23 15:53:37,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:53:37,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:53:37,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:53:37,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:53:37,122 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-23 15:53:37,122 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-23 15:53:37,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2022-11-23 15:53:37,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2022-11-23 15:53:37,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2022-11-23 15:53:37,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2022-11-23 15:53:37,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-23 15:53:37,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-23 15:53:37,123 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_info [2022-11-23 15:53:37,124 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_info [2022-11-23 15:53:37,124 INFO L130 BoogieDeclarations]: Found specification of procedure mega_adapinq [2022-11-23 15:53:37,124 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_adapinq [2022-11-23 15:53:37,124 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2022-11-23 15:53:37,124 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2022-11-23 15:53:37,124 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-23 15:53:37,125 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-23 15:53:37,125 INFO L130 BoogieDeclarations]: Found specification of procedure mega_free_inquiry [2022-11-23 15:53:37,125 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_free_inquiry [2022-11-23 15:53:37,125 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2022-11-23 15:53:37,125 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_putc [2022-11-23 15:53:37,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 15:53:37,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 15:53:37,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-23 15:53:37,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-23 15:53:37,126 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-23 15:53:37,126 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-23 15:53:37,126 INFO L130 BoogieDeclarations]: Found specification of procedure mega_build_sglist [2022-11-23 15:53:37,126 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_build_sglist [2022-11-23 15:53:37,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-23 15:53:37,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-23 15:53:37,127 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-23 15:53:37,127 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-23 15:53:37,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-23 15:53:37,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-23 15:53:37,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-23 15:53:37,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-23 15:53:37,128 INFO L130 BoogieDeclarations]: Found specification of procedure megadev_unlocked_ioctl [2022-11-23 15:53:37,128 INFO L138 BoogieDeclarations]: Found implementation of procedure megadev_unlocked_ioctl [2022-11-23 15:53:37,128 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-23 15:53:37,128 INFO L130 BoogieDeclarations]: Found specification of procedure mega_free_scb [2022-11-23 15:53:37,128 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_free_scb [2022-11-23 15:53:37,129 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-23 15:53:37,129 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-23 15:53:37,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-23 15:53:37,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-23 15:53:37,129 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2022-11-23 15:53:37,129 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2022-11-23 15:53:37,130 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_abort_and_reset [2022-11-23 15:53:37,130 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_abort_and_reset [2022-11-23 15:53:37,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-23 15:53:37,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-23 15:53:37,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-23 15:53:37,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-23 15:53:37,130 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-23 15:53:37,131 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-23 15:53:37,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:53:37,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-23 15:53:37,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-23 15:53:37,131 INFO L130 BoogieDeclarations]: Found specification of procedure issue_scb_block [2022-11-23 15:53:37,131 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_scb_block [2022-11-23 15:53:37,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 15:53:37,132 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-23 15:53:37,132 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-23 15:53:37,133 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-23 15:53:37,136 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-23 15:53:37,137 INFO L130 BoogieDeclarations]: Found specification of procedure mega_free_sgl [2022-11-23 15:53:37,137 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_free_sgl [2022-11-23 15:53:37,137 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2022-11-23 15:53:37,137 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2022-11-23 15:53:37,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 15:53:37,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-23 15:53:37,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-23 15:53:37,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-23 15:53:37,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-23 15:53:37,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-23 15:53:37,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-23 15:53:37,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:53:37,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-23 15:53:37,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-23 15:53:37,140 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-23 15:53:37,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-23 15:53:37,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-23 15:53:37,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-23 15:53:37,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 15:53:37,141 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 15:53:37,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-23 15:53:37,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-23 15:53:37,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-23 15:53:37,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-23 15:53:37,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-23 15:53:37,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-23 15:53:37,143 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-23 15:53:37,143 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-23 15:53:37,143 INFO L130 BoogieDeclarations]: Found specification of procedure mega_runpendq [2022-11-23 15:53:37,144 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_runpendq [2022-11-23 15:53:37,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_fs_char_dev__double_registration [2022-11-23 15:53:37,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_fs_char_dev__double_registration [2022-11-23 15:53:37,144 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-23 15:53:37,144 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-23 15:53:37,144 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-23 15:53:37,144 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-23 15:53:37,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-23 15:53:37,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-23 15:53:37,145 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-23 15:53:37,145 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-23 15:53:37,145 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-23 15:53:37,145 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-23 15:53:37,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-23 15:53:37,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-23 15:53:37,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2022-11-23 15:53:37,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2022-11-23 15:53:37,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_int_mtx_of_NOT_ARG_SIGN [2022-11-23 15:53:37,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_int_mtx_of_NOT_ARG_SIGN [2022-11-23 15:53:37,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 15:53:37,146 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2022-11-23 15:53:37,146 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2022-11-23 15:53:37,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-23 15:53:37,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-23 15:53:37,147 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-23 15:53:37,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-23 15:53:37,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:53:37,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_NOT_ARG_SIGN [2022-11-23 15:53:37,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_NOT_ARG_SIGN [2022-11-23 15:53:37,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-23 15:53:37,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-23 15:53:37,148 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-23 15:53:37,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-23 15:53:37,148 INFO L130 BoogieDeclarations]: Found specification of procedure mega_n_to_m [2022-11-23 15:53:37,149 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_n_to_m [2022-11-23 15:53:37,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 15:53:37,149 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-23 15:53:37,149 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 15:53:37,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 15:53:37,149 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-23 15:53:37,149 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-23 15:53:37,149 INFO L130 BoogieDeclarations]: Found specification of procedure mega_internal_command [2022-11-23 15:53:37,150 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_internal_command [2022-11-23 15:53:37,150 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2022-11-23 15:53:37,150 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2022-11-23 15:53:37,150 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-23 15:53:37,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-23 15:53:37,150 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_shutdown [2022-11-23 15:53:37,150 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_shutdown [2022-11-23 15:53:37,151 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-23 15:53:37,151 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-23 15:53:37,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-23 15:53:37,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-23 15:53:37,151 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2022-11-23 15:53:37,151 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2022-11-23 15:53:37,151 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-23 15:53:37,151 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-23 15:53:37,152 INFO L130 BoogieDeclarations]: Found specification of procedure proc_show_rdrv [2022-11-23 15:53:37,152 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_show_rdrv [2022-11-23 15:53:37,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:53:37,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:53:37,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 15:53:37,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 15:53:37,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 15:53:37,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 15:53:37,153 INFO L130 BoogieDeclarations]: Found specification of procedure mega_allocate_inquiry [2022-11-23 15:53:37,153 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_allocate_inquiry [2022-11-23 15:53:37,153 INFO L130 BoogieDeclarations]: Found specification of procedure free_local_pdev [2022-11-23 15:53:37,153 INFO L138 BoogieDeclarations]: Found implementation of procedure free_local_pdev [2022-11-23 15:53:37,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-23 15:53:37,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-23 15:53:37,154 INFO L130 BoogieDeclarations]: Found specification of procedure proc_show_pdrv [2022-11-23 15:53:37,154 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_show_pdrv [2022-11-23 15:53:37,154 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-23 15:53:37,154 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-23 15:53:37,154 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2022-11-23 15:53:37,154 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2022-11-23 15:53:37,155 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-23 15:53:37,155 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-23 15:53:37,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_NOT_ARG_SIGN [2022-11-23 15:53:37,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_NOT_ARG_SIGN [2022-11-23 15:53:37,155 INFO L130 BoogieDeclarations]: Found specification of procedure __megaraid_shutdown [2022-11-23 15:53:37,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __megaraid_shutdown [2022-11-23 15:53:37,155 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-23 15:53:37,156 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-23 15:53:37,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 15:53:37,156 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 15:53:37,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-23 15:53:37,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-23 15:53:37,156 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sglist [2022-11-23 15:53:37,156 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sglist [2022-11-23 15:53:37,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-23 15:53:37,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-23 15:53:37,157 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-23 15:53:37,157 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-23 15:53:37,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-23 15:53:37,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-23 15:53:37,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-23 15:53:37,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-23 15:53:37,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:53:37,158 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_reset [2022-11-23 15:53:37,158 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_reset [2022-11-23 15:53:37,158 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-23 15:53:37,158 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-23 15:53:37,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-23 15:53:37,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-23 15:53:37,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 15:53:37,159 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_queue [2022-11-23 15:53:37,159 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_queue [2022-11-23 15:53:37,159 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_biosparam [2022-11-23 15:53:37,159 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_biosparam [2022-11-23 15:53:37,159 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_remove_one [2022-11-23 15:53:37,159 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_remove_one [2022-11-23 15:53:37,159 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-23 15:53:37,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-23 15:53:37,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 15:53:37,160 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-23 15:53:37,160 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-23 15:53:37,160 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-23 15:53:37,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-23 15:53:37,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-23 15:53:37,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-23 15:53:37,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-23 15:53:37,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-23 15:53:37,161 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-23 15:53:37,161 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-23 15:53:37,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-23 15:53:37,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-23 15:53:37,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-23 15:53:37,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-23 15:53:37,162 INFO L130 BoogieDeclarations]: Found specification of procedure seq_write [2022-11-23 15:53:37,162 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_write [2022-11-23 15:53:37,162 INFO L130 BoogieDeclarations]: Found specification of procedure mega_allocate_scb [2022-11-23 15:53:37,162 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_allocate_scb [2022-11-23 15:53:37,162 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-23 15:53:37,162 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-23 15:53:37,162 INFO L130 BoogieDeclarations]: Found specification of procedure make_local_pdev [2022-11-23 15:53:37,163 INFO L138 BoogieDeclarations]: Found implementation of procedure make_local_pdev [2022-11-23 15:53:37,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-23 15:53:37,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-23 15:53:37,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-23 15:53:37,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-23 15:53:37,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-23 15:53:37,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-23 15:53:37,163 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-23 15:53:37,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-23 15:53:37,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-23 15:53:37,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-23 15:53:37,164 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-23 15:53:37,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-23 15:53:37,164 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 15:53:37,164 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 15:53:37,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-23 15:53:37,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-23 15:53:37,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:53:37,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-23 15:53:37,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-23 15:53:37,165 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-11-23 15:53:37,165 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-11-23 15:53:37,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 15:53:37,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 15:53:37,166 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-23 15:53:37,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-23 15:53:37,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-23 15:53:37,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-23 15:53:37,166 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-23 15:53:37,166 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-23 15:53:37,166 INFO L130 BoogieDeclarations]: Found specification of procedure mega_rundoneq [2022-11-23 15:53:37,167 INFO L138 BoogieDeclarations]: Found implementation of procedure mega_rundoneq [2022-11-23 15:53:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-23 15:53:37,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-23 15:53:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-23 15:53:37,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-23 15:53:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-23 15:53:37,167 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-23 15:53:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:53:37,168 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-23 15:53:37,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-11-23 15:53:37,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2022-11-23 15:53:37,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2022-11-23 15:53:37,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_megadev_mutex [2022-11-23 15:53:37,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_megadev_mutex [2022-11-23 15:53:37,168 INFO L130 BoogieDeclarations]: Found specification of procedure megaraid_abort [2022-11-23 15:53:37,168 INFO L138 BoogieDeclarations]: Found implementation of procedure megaraid_abort [2022-11-23 15:53:37,169 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2022-11-23 15:53:37,169 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2022-11-23 15:53:38,520 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:53:38,524 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:53:38,857 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 15:53:42,617 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##180: mega_build_cmd_#res#1.base, mega_build_cmd_#res#1.offset := 0, 0;call ULTIMATE.dealloc(mega_build_cmd_~#seg~0#1.base, mega_build_cmd_~#seg~0#1.offset);havoc mega_build_cmd_~#seg~0#1.base, mega_build_cmd_~#seg~0#1.offset; [2022-11-23 15:53:46,853 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:53:48,975 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:53:48,976 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-11-23 15:53:48,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:53:48 BoogieIcfgContainer [2022-11-23 15:53:48,983 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:53:48,987 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:53:48,987 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:53:48,990 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:53:48,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:53:29" (1/3) ... [2022-11-23 15:53:48,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6928030a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:53:48, skipping insertion in model container [2022-11-23 15:53:48,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:36" (2/3) ... [2022-11-23 15:53:48,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6928030a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:53:48, skipping insertion in model container [2022-11-23 15:53:48,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:53:48" (3/3) ... [2022-11-23 15:53:48,994 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--scsi--megaraid.ko.cil.i [2022-11-23 15:53:49,015 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:53:49,015 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 35 error locations. [2022-11-23 15:53:49,128 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:53:49,142 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@47cfb338, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:53:49,142 INFO L358 AbstractCegarLoop]: Starting to check reachability of 35 error locations. [2022-11-23 15:53:49,155 INFO L276 IsEmpty]: Start isEmpty. Operand has 2166 states, 1275 states have (on average 1.3207843137254902) internal successors, (1684), 1367 states have internal predecessors, (1684), 725 states have call successors, (725), 131 states have call predecessors, (725), 130 states have return successors, (718), 708 states have call predecessors, (718), 718 states have call successors, (718) [2022-11-23 15:53:49,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-23 15:53:49,208 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:53:49,209 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:53:49,210 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-23 15:53:49,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:53:49,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1075959542, now seen corresponding path program 1 times [2022-11-23 15:53:49,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:53:49,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830237652] [2022-11-23 15:53:49,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:53:49,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:53:49,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:53:50,673 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-23 15:53:50,674 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:53:50,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830237652] [2022-11-23 15:53:50,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830237652] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:53:50,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:53:50,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:53:50,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446578735] [2022-11-23 15:53:50,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:53:50,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:53:50,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:53:50,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:53:50,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:53:50,736 INFO L87 Difference]: Start difference. First operand has 2166 states, 1275 states have (on average 1.3207843137254902) internal successors, (1684), 1367 states have internal predecessors, (1684), 725 states have call successors, (725), 131 states have call predecessors, (725), 130 states have return successors, (718), 708 states have call predecessors, (718), 718 states have call successors, (718) Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-23 15:53:53,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:53:58,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:54:00,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:54:02,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:54:04,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:54:04,143 INFO L93 Difference]: Finished difference Result 5606 states and 8198 transitions. [2022-11-23 15:54:04,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:54:04,146 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 46 [2022-11-23 15:54:04,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:54:04,194 INFO L225 Difference]: With dead ends: 5606 [2022-11-23 15:54:04,270 INFO L226 Difference]: Without dead ends: 3441 [2022-11-23 15:54:04,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-23 15:54:04,299 INFO L413 NwaCegarLoop]: 3225 mSDtfsCounter, 1824 mSDsluCounter, 9100 mSDsCounter, 0 mSdLazyCounter, 1458 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1825 SdHoareTripleChecker+Valid, 12325 SdHoareTripleChecker+Invalid, 1468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1458 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:54:04,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1825 Valid, 12325 Invalid, 1468 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1458 Invalid, 3 Unknown, 0 Unchecked, 12.8s Time] [2022-11-23 15:54:04,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3441 states. [2022-11-23 15:54:04,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3441 to 3371. [2022-11-23 15:54:04,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3371 states, 1979 states have (on average 1.2758969176351693) internal successors, (2525), 2104 states have internal predecessors, (2525), 1123 states have call successors, (1123), 235 states have call predecessors, (1123), 234 states have return successors, (1121), 1104 states have call predecessors, (1121), 1121 states have call successors, (1121) [2022-11-23 15:54:04,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3371 states to 3371 states and 4769 transitions. [2022-11-23 15:54:04,640 INFO L78 Accepts]: Start accepts. Automaton has 3371 states and 4769 transitions. Word has length 46 [2022-11-23 15:54:04,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:54:04,643 INFO L495 AbstractCegarLoop]: Abstraction has 3371 states and 4769 transitions. [2022-11-23 15:54:04,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-23 15:54:04,643 INFO L276 IsEmpty]: Start isEmpty. Operand 3371 states and 4769 transitions. [2022-11-23 15:54:04,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-23 15:54:04,652 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:54:04,652 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:54:04,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:54:04,653 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-23 15:54:04,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:54:04,653 INFO L85 PathProgramCache]: Analyzing trace with hash -302872922, now seen corresponding path program 1 times [2022-11-23 15:54:04,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:54:04,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640704840] [2022-11-23 15:54:04,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:54:04,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:54:04,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:54:05,389 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-11-23 15:54:05,389 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:54:05,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640704840] [2022-11-23 15:54:05,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640704840] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:54:05,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:54:05,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:54:05,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462023746] [2022-11-23 15:54:05,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:54:05,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:54:05,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:54:05,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:54:05,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:54:05,393 INFO L87 Difference]: Start difference. First operand 3371 states and 4769 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-23 15:54:08,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:54:10,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:54:14,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:54:16,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:54:16,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:54:16,797 INFO L93 Difference]: Finished difference Result 3371 states and 4769 transitions. [2022-11-23 15:54:16,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:54:16,798 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 61 [2022-11-23 15:54:16,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:54:16,819 INFO L225 Difference]: With dead ends: 3371 [2022-11-23 15:54:16,819 INFO L226 Difference]: Without dead ends: 3369 [2022-11-23 15:54:16,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-23 15:54:16,823 INFO L413 NwaCegarLoop]: 2703 mSDtfsCounter, 3049 mSDsluCounter, 5403 mSDsCounter, 0 mSdLazyCounter, 1077 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3050 SdHoareTripleChecker+Valid, 8106 SdHoareTripleChecker+Invalid, 1079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1077 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:54:16,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3050 Valid, 8106 Invalid, 1079 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1077 Invalid, 2 Unknown, 0 Unchecked, 11.1s Time] [2022-11-23 15:54:16,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3369 states. [2022-11-23 15:54:17,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3369 to 3369. [2022-11-23 15:54:17,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3369 states, 1978 states have (on average 1.275025278058645) internal successors, (2522), 2102 states have internal predecessors, (2522), 1123 states have call successors, (1123), 235 states have call predecessors, (1123), 234 states have return successors, (1121), 1104 states have call predecessors, (1121), 1121 states have call successors, (1121) [2022-11-23 15:54:17,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3369 states to 3369 states and 4766 transitions. [2022-11-23 15:54:17,102 INFO L78 Accepts]: Start accepts. Automaton has 3369 states and 4766 transitions. Word has length 61 [2022-11-23 15:54:17,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:54:17,102 INFO L495 AbstractCegarLoop]: Abstraction has 3369 states and 4766 transitions. [2022-11-23 15:54:17,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-23 15:54:17,103 INFO L276 IsEmpty]: Start isEmpty. Operand 3369 states and 4766 transitions. [2022-11-23 15:54:17,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-23 15:54:17,104 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:54:17,105 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:54:17,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:54:17,106 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-23 15:54:17,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:54:17,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1264569421, now seen corresponding path program 1 times [2022-11-23 15:54:17,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:54:17,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921651583] [2022-11-23 15:54:17,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:54:17,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:54:17,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:54:17,653 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-23 15:54:17,653 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:54:17,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921651583] [2022-11-23 15:54:17,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921651583] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:54:17,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:54:17,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:54:17,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761958379] [2022-11-23 15:54:17,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:54:17,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:54:17,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:54:17,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:54:17,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:54:17,656 INFO L87 Difference]: Start difference. First operand 3369 states and 4766 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-23 15:54:20,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:54:24,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:54:27,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:54:28,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:54:28,091 INFO L93 Difference]: Finished difference Result 5532 states and 7751 transitions. [2022-11-23 15:54:28,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:54:28,092 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 63 [2022-11-23 15:54:28,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:54:28,131 INFO L225 Difference]: With dead ends: 5532 [2022-11-23 15:54:28,131 INFO L226 Difference]: Without dead ends: 5530 [2022-11-23 15:54:28,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:54:28,137 INFO L413 NwaCegarLoop]: 3149 mSDtfsCounter, 1786 mSDsluCounter, 5836 mSDsCounter, 0 mSdLazyCounter, 1078 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1788 SdHoareTripleChecker+Valid, 8985 SdHoareTripleChecker+Invalid, 1082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1078 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:54:28,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1788 Valid, 8985 Invalid, 1082 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1078 Invalid, 3 Unknown, 0 Unchecked, 10.1s Time] [2022-11-23 15:54:28,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5530 states. [2022-11-23 15:54:28,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5530 to 5257. [2022-11-23 15:54:28,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5257 states, 3070 states have (on average 1.2641693811074919) internal successors, (3881), 3258 states have internal predecessors, (3881), 1779 states have call successors, (1779), 375 states have call predecessors, (1779), 374 states have return successors, (1786), 1749 states have call predecessors, (1786), 1777 states have call successors, (1786) [2022-11-23 15:54:28,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5257 states to 5257 states and 7446 transitions. [2022-11-23 15:54:28,514 INFO L78 Accepts]: Start accepts. Automaton has 5257 states and 7446 transitions. Word has length 63 [2022-11-23 15:54:28,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:54:28,514 INFO L495 AbstractCegarLoop]: Abstraction has 5257 states and 7446 transitions. [2022-11-23 15:54:28,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-23 15:54:28,516 INFO L276 IsEmpty]: Start isEmpty. Operand 5257 states and 7446 transitions. [2022-11-23 15:54:28,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-23 15:54:28,520 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:54:28,520 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:54:28,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 15:54:28,521 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-23 15:54:28,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:54:28,522 INFO L85 PathProgramCache]: Analyzing trace with hash -766156819, now seen corresponding path program 1 times [2022-11-23 15:54:28,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:54:28,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416315253] [2022-11-23 15:54:28,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:54:28,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:54:28,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:54:30,891 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-23 15:54:30,891 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:54:30,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416315253] [2022-11-23 15:54:30,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416315253] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:54:30,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:54:30,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-23 15:54:30,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378776775] [2022-11-23 15:54:30,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:54:30,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:54:30,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:54:30,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:54:30,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:54:30,893 INFO L87 Difference]: Start difference. First operand 5257 states and 7446 transitions. Second operand has 13 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 11 states have internal predecessors, (33), 7 states have call successors, (13), 1 states have call predecessors, (13), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2022-11-23 15:54:34,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:54:40,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:54:41,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:54:49,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:54:51,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:54:53,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:54:55,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:54:57,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:55:00,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:55:02,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:55:03,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:55:03,739 INFO L93 Difference]: Finished difference Result 7339 states and 10334 transitions. [2022-11-23 15:55:03,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-23 15:55:03,739 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 11 states have internal predecessors, (33), 7 states have call successors, (13), 1 states have call predecessors, (13), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) Word has length 66 [2022-11-23 15:55:03,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:55:03,768 INFO L225 Difference]: With dead ends: 7339 [2022-11-23 15:55:03,768 INFO L226 Difference]: Without dead ends: 5336 [2022-11-23 15:55:03,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-11-23 15:55:03,779 INFO L413 NwaCegarLoop]: 2686 mSDtfsCounter, 34 mSDsluCounter, 26615 mSDsCounter, 0 mSdLazyCounter, 4520 mSolverCounterSat, 118 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 29301 SdHoareTripleChecker+Invalid, 4643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 4520 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:55:03,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 29301 Invalid, 4643 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [118 Valid, 4520 Invalid, 5 Unknown, 0 Unchecked, 32.1s Time] [2022-11-23 15:55:03,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5336 states. [2022-11-23 15:55:04,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5336 to 5284. [2022-11-23 15:55:04,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5284 states, 3085 states have (on average 1.2628849270664506) internal successors, (3896), 3273 states have internal predecessors, (3896), 1791 states have call successors, (1791), 375 states have call predecessors, (1791), 374 states have return successors, (1798), 1761 states have call predecessors, (1798), 1789 states have call successors, (1798) [2022-11-23 15:55:04,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5284 states to 5284 states and 7485 transitions. [2022-11-23 15:55:04,141 INFO L78 Accepts]: Start accepts. Automaton has 5284 states and 7485 transitions. Word has length 66 [2022-11-23 15:55:04,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:55:04,142 INFO L495 AbstractCegarLoop]: Abstraction has 5284 states and 7485 transitions. [2022-11-23 15:55:04,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 11 states have internal predecessors, (33), 7 states have call successors, (13), 1 states have call predecessors, (13), 3 states have return successors, (13), 7 states have call predecessors, (13), 7 states have call successors, (13) [2022-11-23 15:55:04,142 INFO L276 IsEmpty]: Start isEmpty. Operand 5284 states and 7485 transitions. [2022-11-23 15:55:04,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-23 15:55:04,144 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:55:04,145 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:55:04,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 15:55:04,145 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-23 15:55:04,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:55:04,146 INFO L85 PathProgramCache]: Analyzing trace with hash 2117294401, now seen corresponding path program 1 times [2022-11-23 15:55:04,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:55:04,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122623069] [2022-11-23 15:55:04,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:55:04,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:55:04,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:55:04,637 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-23 15:55:04,638 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:55:04,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122623069] [2022-11-23 15:55:04,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122623069] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:55:04,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:55:04,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:55:04,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831793371] [2022-11-23 15:55:04,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:55:04,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:55:04,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:55:04,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:55:04,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:55:04,642 INFO L87 Difference]: Start difference. First operand 5284 states and 7485 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-23 15:55:06,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:55:11,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:55:13,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:55:13,270 INFO L93 Difference]: Finished difference Result 6312 states and 8846 transitions. [2022-11-23 15:55:13,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:55:13,271 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 68 [2022-11-23 15:55:13,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:55:13,310 INFO L225 Difference]: With dead ends: 6312 [2022-11-23 15:55:13,310 INFO L226 Difference]: Without dead ends: 6310 [2022-11-23 15:55:13,314 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:55:13,315 INFO L413 NwaCegarLoop]: 3147 mSDtfsCounter, 1796 mSDsluCounter, 5824 mSDsCounter, 0 mSdLazyCounter, 1083 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1798 SdHoareTripleChecker+Valid, 8971 SdHoareTripleChecker+Invalid, 1085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1083 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:55:13,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1798 Valid, 8971 Invalid, 1085 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1083 Invalid, 1 Unknown, 0 Unchecked, 8.3s Time] [2022-11-23 15:55:13,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6310 states. [2022-11-23 15:55:13,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6310 to 6158. [2022-11-23 15:55:13,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6158 states, 3593 states have (on average 1.26134149735597) internal successors, (4532), 3806 states have internal predecessors, (4532), 2082 states have call successors, (2082), 450 states have call predecessors, (2082), 449 states have return successors, (2089), 2049 states have call predecessors, (2089), 2080 states have call successors, (2089) [2022-11-23 15:55:13,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6158 states to 6158 states and 8703 transitions. [2022-11-23 15:55:13,702 INFO L78 Accepts]: Start accepts. Automaton has 6158 states and 8703 transitions. Word has length 68 [2022-11-23 15:55:13,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:55:13,703 INFO L495 AbstractCegarLoop]: Abstraction has 6158 states and 8703 transitions. [2022-11-23 15:55:13,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-23 15:55:13,703 INFO L276 IsEmpty]: Start isEmpty. Operand 6158 states and 8703 transitions. [2022-11-23 15:55:13,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-23 15:55:13,706 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:55:13,706 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:55:13,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 15:55:13,706 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-23 15:55:13,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:55:13,707 INFO L85 PathProgramCache]: Analyzing trace with hash 505860534, now seen corresponding path program 1 times [2022-11-23 15:55:13,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:55:13,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179853090] [2022-11-23 15:55:13,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:55:13,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:55:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:55:14,153 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-23 15:55:14,154 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:55:14,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179853090] [2022-11-23 15:55:14,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179853090] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:55:14,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:55:14,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:55:14,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871191063] [2022-11-23 15:55:14,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:55:14,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:55:14,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:55:14,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:55:14,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:55:14,156 INFO L87 Difference]: Start difference. First operand 6158 states and 8703 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-23 15:55:16,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:55:21,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:55:22,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:55:23,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:55:23,068 INFO L93 Difference]: Finished difference Result 6310 states and 8843 transitions. [2022-11-23 15:55:23,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:55:23,069 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 73 [2022-11-23 15:55:23,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:55:23,109 INFO L225 Difference]: With dead ends: 6310 [2022-11-23 15:55:23,109 INFO L226 Difference]: Without dead ends: 6308 [2022-11-23 15:55:23,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:55:23,114 INFO L413 NwaCegarLoop]: 3147 mSDtfsCounter, 1793 mSDsluCounter, 5824 mSDsCounter, 0 mSdLazyCounter, 1082 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1795 SdHoareTripleChecker+Valid, 8971 SdHoareTripleChecker+Invalid, 1085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1082 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:55:23,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1795 Valid, 8971 Invalid, 1085 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1082 Invalid, 2 Unknown, 0 Unchecked, 8.5s Time] [2022-11-23 15:55:23,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6308 states. [2022-11-23 15:55:23,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6308 to 6163. [2022-11-23 15:55:23,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6163 states, 3596 states have (on average 1.260845383759733) internal successors, (4534), 3809 states have internal predecessors, (4534), 2083 states have call successors, (2083), 451 states have call predecessors, (2083), 450 states have return successors, (2090), 2050 states have call predecessors, (2090), 2081 states have call successors, (2090) [2022-11-23 15:55:23,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6163 states to 6163 states and 8707 transitions. [2022-11-23 15:55:23,501 INFO L78 Accepts]: Start accepts. Automaton has 6163 states and 8707 transitions. Word has length 73 [2022-11-23 15:55:23,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:55:23,502 INFO L495 AbstractCegarLoop]: Abstraction has 6163 states and 8707 transitions. [2022-11-23 15:55:23,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-23 15:55:23,503 INFO L276 IsEmpty]: Start isEmpty. Operand 6163 states and 8707 transitions. [2022-11-23 15:55:23,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-23 15:55:23,505 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:55:23,505 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:55:23,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 15:55:23,506 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-23 15:55:23,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:55:23,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1258216811, now seen corresponding path program 1 times [2022-11-23 15:55:23,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:55:23,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837809627] [2022-11-23 15:55:23,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:55:23,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:55:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:55:23,953 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-23 15:55:23,954 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:55:23,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837809627] [2022-11-23 15:55:23,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837809627] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:55:23,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:55:23,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:55:23,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733319642] [2022-11-23 15:55:23,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:55:23,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:55:23,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:55:23,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:55:23,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:55:23,956 INFO L87 Difference]: Start difference. First operand 6163 states and 8707 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-23 15:55:26,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:55:30,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:55:32,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:55:32,172 INFO L93 Difference]: Finished difference Result 6163 states and 8707 transitions. [2022-11-23 15:55:32,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:55:32,172 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 78 [2022-11-23 15:55:32,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:55:32,207 INFO L225 Difference]: With dead ends: 6163 [2022-11-23 15:55:32,208 INFO L226 Difference]: Without dead ends: 6161 [2022-11-23 15:55:32,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:55:32,213 INFO L413 NwaCegarLoop]: 2703 mSDtfsCounter, 3033 mSDsluCounter, 2703 mSDsCounter, 0 mSdLazyCounter, 714 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3035 SdHoareTripleChecker+Valid, 5406 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 714 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:55:32,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3035 Valid, 5406 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 714 Invalid, 1 Unknown, 0 Unchecked, 7.9s Time] [2022-11-23 15:55:32,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6161 states. [2022-11-23 15:55:32,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6161 to 6161. [2022-11-23 15:55:32,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6161 states, 3595 states have (on average 1.2600834492350488) internal successors, (4530), 3807 states have internal predecessors, (4530), 2083 states have call successors, (2083), 451 states have call predecessors, (2083), 450 states have return successors, (2090), 2050 states have call predecessors, (2090), 2081 states have call successors, (2090) [2022-11-23 15:55:32,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6161 states to 6161 states and 8703 transitions. [2022-11-23 15:55:32,635 INFO L78 Accepts]: Start accepts. Automaton has 6161 states and 8703 transitions. Word has length 78 [2022-11-23 15:55:32,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:55:32,639 INFO L495 AbstractCegarLoop]: Abstraction has 6161 states and 8703 transitions. [2022-11-23 15:55:32,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-23 15:55:32,639 INFO L276 IsEmpty]: Start isEmpty. Operand 6161 states and 8703 transitions. [2022-11-23 15:55:32,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-23 15:55:32,643 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:55:32,644 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:55:32,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 15:55:32,645 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-23 15:55:32,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:55:32,645 INFO L85 PathProgramCache]: Analyzing trace with hash -144141409, now seen corresponding path program 1 times [2022-11-23 15:55:32,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:55:32,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097544256] [2022-11-23 15:55:32,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:55:32,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:55:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:55:33,129 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-23 15:55:33,129 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:55:33,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097544256] [2022-11-23 15:55:33,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097544256] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:55:33,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:55:33,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:55:33,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174605806] [2022-11-23 15:55:33,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:55:33,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:55:33,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:55:33,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:55:33,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:55:33,132 INFO L87 Difference]: Start difference. First operand 6161 states and 8703 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-23 15:55:35,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:55:37,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:55:38,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:55:42,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:55:44,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:55:45,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:55:45,378 INFO L93 Difference]: Finished difference Result 6304 states and 8834 transitions. [2022-11-23 15:55:45,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:55:45,378 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 83 [2022-11-23 15:55:45,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:55:45,409 INFO L225 Difference]: With dead ends: 6304 [2022-11-23 15:55:45,409 INFO L226 Difference]: Without dead ends: 6302 [2022-11-23 15:55:45,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:55:45,415 INFO L413 NwaCegarLoop]: 3145 mSDtfsCounter, 1787 mSDsluCounter, 5820 mSDsCounter, 0 mSdLazyCounter, 1082 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1789 SdHoareTripleChecker+Valid, 8965 SdHoareTripleChecker+Invalid, 1085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1082 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:55:45,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1789 Valid, 8965 Invalid, 1085 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1082 Invalid, 2 Unknown, 0 Unchecked, 11.9s Time] [2022-11-23 15:55:45,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6302 states. [2022-11-23 15:55:45,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6302 to 6171. [2022-11-23 15:55:45,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6171 states, 3601 states have (on average 1.259372396556512) internal successors, (4535), 3813 states have internal predecessors, (4535), 2085 states have call successors, (2085), 453 states have call predecessors, (2085), 452 states have return successors, (2092), 2052 states have call predecessors, (2092), 2083 states have call successors, (2092) [2022-11-23 15:55:45,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6171 states to 6171 states and 8712 transitions. [2022-11-23 15:55:45,918 INFO L78 Accepts]: Start accepts. Automaton has 6171 states and 8712 transitions. Word has length 83 [2022-11-23 15:55:45,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:55:45,919 INFO L495 AbstractCegarLoop]: Abstraction has 6171 states and 8712 transitions. [2022-11-23 15:55:45,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-23 15:55:45,919 INFO L276 IsEmpty]: Start isEmpty. Operand 6171 states and 8712 transitions. [2022-11-23 15:55:45,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-23 15:55:45,921 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:55:45,921 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:55:45,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 15:55:45,921 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_net_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-23 15:55:45,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:55:45,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1784626994, now seen corresponding path program 1 times [2022-11-23 15:55:45,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:55:45,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280256865] [2022-11-23 15:55:45,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:55:45,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:55:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:55:46,321 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2022-11-23 15:55:46,321 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:55:46,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280256865] [2022-11-23 15:55:46,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280256865] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:55:46,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:55:46,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:55:46,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660689938] [2022-11-23 15:55:46,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:55:46,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:55:46,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:55:46,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:55:46,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:55:46,325 INFO L87 Difference]: Start difference. First operand 6171 states and 8712 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-23 15:55:48,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:55:50,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:55:52,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:55:52,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:55:52,551 INFO L93 Difference]: Finished difference Result 12531 states and 17652 transitions. [2022-11-23 15:55:52,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:55:52,552 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 101 [2022-11-23 15:55:52,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:55:52,579 INFO L225 Difference]: With dead ends: 12531 [2022-11-23 15:55:52,579 INFO L226 Difference]: Without dead ends: 6380 [2022-11-23 15:55:52,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:55:52,607 INFO L413 NwaCegarLoop]: 2791 mSDtfsCounter, 2701 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2701 SdHoareTripleChecker+Valid, 3303 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:55:52,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2701 Valid, 3303 Invalid, 466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 464 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2022-11-23 15:55:52,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6380 states. [2022-11-23 15:55:53,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6380 to 6374. [2022-11-23 15:55:53,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6374 states, 3721 states have (on average 1.2571889277076054) internal successors, (4678), 3938 states have internal predecessors, (4678), 2135 states have call successors, (2135), 487 states have call predecessors, (2135), 485 states have return successors, (2142), 2102 states have call predecessors, (2142), 2133 states have call successors, (2142) [2022-11-23 15:55:53,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6374 states to 6374 states and 8955 transitions. [2022-11-23 15:55:53,074 INFO L78 Accepts]: Start accepts. Automaton has 6374 states and 8955 transitions. Word has length 101 [2022-11-23 15:55:53,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:55:53,075 INFO L495 AbstractCegarLoop]: Abstraction has 6374 states and 8955 transitions. [2022-11-23 15:55:53,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-23 15:55:53,076 INFO L276 IsEmpty]: Start isEmpty. Operand 6374 states and 8955 transitions. [2022-11-23 15:55:53,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-23 15:55:53,078 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:55:53,078 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:55:53,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-23 15:55:53,079 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-23 15:55:53,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:55:53,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1397217625, now seen corresponding path program 1 times [2022-11-23 15:55:53,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:55:53,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287212522] [2022-11-23 15:55:53,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:55:53,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:55:53,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:55:53,561 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-23 15:55:53,562 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:55:53,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287212522] [2022-11-23 15:55:53,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287212522] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:55:53,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:55:53,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:55:53,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283389351] [2022-11-23 15:55:53,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:55:53,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:55:53,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:55:53,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:55:53,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:55:53,564 INFO L87 Difference]: Start difference. First operand 6374 states and 8955 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-23 15:55:56,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:55:59,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:56:02,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:56:02,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:56:02,881 INFO L93 Difference]: Finished difference Result 7319 states and 10229 transitions. [2022-11-23 15:56:02,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:56:02,882 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 88 [2022-11-23 15:56:02,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:56:02,915 INFO L225 Difference]: With dead ends: 7319 [2022-11-23 15:56:02,916 INFO L226 Difference]: Without dead ends: 7317 [2022-11-23 15:56:02,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:56:02,922 INFO L413 NwaCegarLoop]: 3643 mSDtfsCounter, 3017 mSDsluCounter, 4790 mSDsCounter, 0 mSdLazyCounter, 982 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3021 SdHoareTripleChecker+Valid, 8433 SdHoareTripleChecker+Invalid, 986 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 982 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:56:02,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3021 Valid, 8433 Invalid, 986 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 982 Invalid, 2 Unknown, 0 Unchecked, 8.9s Time] [2022-11-23 15:56:02,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7317 states. [2022-11-23 15:56:03,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7317 to 7186. [2022-11-23 15:56:03,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7186 states, 4188 states have (on average 1.2550143266475644) internal successors, (5256), 4431 states have internal predecessors, (5256), 2419 states have call successors, (2419), 548 states have call predecessors, (2419), 546 states have return successors, (2426), 2382 states have call predecessors, (2426), 2417 states have call successors, (2426) [2022-11-23 15:56:03,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7186 states to 7186 states and 10101 transitions. [2022-11-23 15:56:03,578 INFO L78 Accepts]: Start accepts. Automaton has 7186 states and 10101 transitions. Word has length 88 [2022-11-23 15:56:03,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:56:03,579 INFO L495 AbstractCegarLoop]: Abstraction has 7186 states and 10101 transitions. [2022-11-23 15:56:03,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-23 15:56:03,579 INFO L276 IsEmpty]: Start isEmpty. Operand 7186 states and 10101 transitions. [2022-11-23 15:56:03,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-23 15:56:03,581 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:56:03,581 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:56:03,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-23 15:56:03,582 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-23 15:56:03,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:56:03,582 INFO L85 PathProgramCache]: Analyzing trace with hash 943110170, now seen corresponding path program 1 times [2022-11-23 15:56:03,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:56:03,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892094168] [2022-11-23 15:56:03,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:56:03,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:56:03,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:56:04,006 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-23 15:56:04,006 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:56:04,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892094168] [2022-11-23 15:56:04,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892094168] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:56:04,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:56:04,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:56:04,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068133750] [2022-11-23 15:56:04,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:56:04,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:56:04,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:56:04,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:56:04,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:56:04,008 INFO L87 Difference]: Start difference. First operand 7186 states and 10101 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-23 15:56:06,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:56:09,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:56:12,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:56:13,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:56:13,152 INFO L93 Difference]: Finished difference Result 7315 states and 10219 transitions. [2022-11-23 15:56:13,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:56:13,153 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 93 [2022-11-23 15:56:13,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:56:13,190 INFO L225 Difference]: With dead ends: 7315 [2022-11-23 15:56:13,191 INFO L226 Difference]: Without dead ends: 7313 [2022-11-23 15:56:13,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:56:13,197 INFO L413 NwaCegarLoop]: 3147 mSDtfsCounter, 1778 mSDsluCounter, 5822 mSDsCounter, 0 mSdLazyCounter, 1080 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1780 SdHoareTripleChecker+Valid, 8969 SdHoareTripleChecker+Invalid, 1083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1080 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:56:13,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1780 Valid, 8969 Invalid, 1083 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1080 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time] [2022-11-23 15:56:13,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7313 states. [2022-11-23 15:56:13,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7313 to 7196. [2022-11-23 15:56:13,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7196 states, 4194 states have (on average 1.2546494992846924) internal successors, (5262), 4437 states have internal predecessors, (5262), 2421 states have call successors, (2421), 550 states have call predecessors, (2421), 548 states have return successors, (2428), 2384 states have call predecessors, (2428), 2419 states have call successors, (2428) [2022-11-23 15:56:13,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7196 states to 7196 states and 10111 transitions. [2022-11-23 15:56:13,813 INFO L78 Accepts]: Start accepts. Automaton has 7196 states and 10111 transitions. Word has length 93 [2022-11-23 15:56:13,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:56:13,815 INFO L495 AbstractCegarLoop]: Abstraction has 7196 states and 10111 transitions. [2022-11-23 15:56:13,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-23 15:56:13,816 INFO L276 IsEmpty]: Start isEmpty. Operand 7196 states and 10111 transitions. [2022-11-23 15:56:13,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-23 15:56:13,820 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:56:13,820 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:56:13,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-23 15:56:13,820 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_usb_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-23 15:56:13,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:56:13,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1918272859, now seen corresponding path program 1 times [2022-11-23 15:56:13,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:56:13,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330561377] [2022-11-23 15:56:13,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:56:13,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:56:13,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:56:14,382 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-11-23 15:56:14,383 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:56:14,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330561377] [2022-11-23 15:56:14,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330561377] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:56:14,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [168307338] [2022-11-23 15:56:14,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:56:14,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:56:14,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:56:14,391 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:56:14,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 15:56:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:56:15,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 3197 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 15:56:15,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:56:16,030 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2022-11-23 15:56:16,030 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:56:16,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [168307338] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:56:16,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:56:16,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2022-11-23 15:56:16,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744471050] [2022-11-23 15:56:16,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:56:16,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:56:16,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:56:16,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:56:16,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:56:16,033 INFO L87 Difference]: Start difference. First operand 7196 states and 10111 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-23 15:56:18,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:56:23,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:56:23,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:56:23,578 INFO L93 Difference]: Finished difference Result 14487 states and 20329 transitions. [2022-11-23 15:56:23,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:56:23,579 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 109 [2022-11-23 15:56:23,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:56:23,615 INFO L225 Difference]: With dead ends: 14487 [2022-11-23 15:56:23,616 INFO L226 Difference]: Without dead ends: 7311 [2022-11-23 15:56:23,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:56:23,652 INFO L413 NwaCegarLoop]: 2837 mSDtfsCounter, 2683 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2685 SdHoareTripleChecker+Valid, 3474 SdHoareTripleChecker+Invalid, 487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:56:23,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2685 Valid, 3474 Invalid, 487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 484 Invalid, 2 Unknown, 0 Unchecked, 7.0s Time] [2022-11-23 15:56:23,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7311 states. [2022-11-23 15:56:24,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7311 to 7301. [2022-11-23 15:56:24,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7301 states, 4254 states have (on average 1.2538787023977433) internal successors, (5334), 4499 states have internal predecessors, (5334), 2444 states have call successors, (2444), 572 states have call predecessors, (2444), 570 states have return successors, (2451), 2405 states have call predecessors, (2451), 2442 states have call successors, (2451) [2022-11-23 15:56:24,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7301 states to 7301 states and 10229 transitions. [2022-11-23 15:56:24,338 INFO L78 Accepts]: Start accepts. Automaton has 7301 states and 10229 transitions. Word has length 109 [2022-11-23 15:56:24,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:56:24,338 INFO L495 AbstractCegarLoop]: Abstraction has 7301 states and 10229 transitions. [2022-11-23 15:56:24,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-23 15:56:24,339 INFO L276 IsEmpty]: Start isEmpty. Operand 7301 states and 10229 transitions. [2022-11-23 15:56:24,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-23 15:56:24,341 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:56:24,341 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:56:24,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 15:56:24,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-23 15:56:24,565 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-23 15:56:24,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:56:24,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1577683510, now seen corresponding path program 1 times [2022-11-23 15:56:24,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:56:24,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011552587] [2022-11-23 15:56:24,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:56:24,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:56:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:56:25,066 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-23 15:56:25,066 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:56:25,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011552587] [2022-11-23 15:56:25,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011552587] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:56:25,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:56:25,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:56:25,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509690423] [2022-11-23 15:56:25,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:56:25,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:56:25,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:56:25,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:56:25,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:56:25,070 INFO L87 Difference]: Start difference. First operand 7301 states and 10229 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-23 15:56:27,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:56:34,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:56:34,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:56:34,721 INFO L93 Difference]: Finished difference Result 7416 states and 10333 transitions. [2022-11-23 15:56:34,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:56:34,722 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 98 [2022-11-23 15:56:34,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:56:34,750 INFO L225 Difference]: With dead ends: 7416 [2022-11-23 15:56:34,751 INFO L226 Difference]: Without dead ends: 7414 [2022-11-23 15:56:34,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:56:34,757 INFO L413 NwaCegarLoop]: 3147 mSDtfsCounter, 1778 mSDsluCounter, 5818 mSDsCounter, 0 mSdLazyCounter, 1083 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1780 SdHoareTripleChecker+Valid, 8965 SdHoareTripleChecker+Invalid, 1085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1083 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:56:34,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1780 Valid, 8965 Invalid, 1085 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1083 Invalid, 1 Unknown, 0 Unchecked, 9.0s Time] [2022-11-23 15:56:34,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7414 states. [2022-11-23 15:56:35,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7414 to 7308. [2022-11-23 15:56:35,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7308 states, 4259 states have (on average 1.2535806527353839) internal successors, (5339), 4504 states have internal predecessors, (5339), 2445 states have call successors, (2445), 573 states have call predecessors, (2445), 571 states have return successors, (2452), 2406 states have call predecessors, (2452), 2443 states have call successors, (2452) [2022-11-23 15:56:35,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7308 states to 7308 states and 10236 transitions. [2022-11-23 15:56:35,426 INFO L78 Accepts]: Start accepts. Automaton has 7308 states and 10236 transitions. Word has length 98 [2022-11-23 15:56:35,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:56:35,427 INFO L495 AbstractCegarLoop]: Abstraction has 7308 states and 10236 transitions. [2022-11-23 15:56:35,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-23 15:56:35,427 INFO L276 IsEmpty]: Start isEmpty. Operand 7308 states and 10236 transitions. [2022-11-23 15:56:35,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-23 15:56:35,429 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:56:35,429 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:56:35,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-23 15:56:35,430 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-23 15:56:35,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:56:35,430 INFO L85 PathProgramCache]: Analyzing trace with hash 30539353, now seen corresponding path program 1 times [2022-11-23 15:56:35,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:56:35,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209214939] [2022-11-23 15:56:35,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:56:35,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:56:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:56:35,870 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-23 15:56:35,871 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:56:35,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209214939] [2022-11-23 15:56:35,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209214939] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:56:35,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:56:35,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:56:35,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031295396] [2022-11-23 15:56:35,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:56:35,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:56:35,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:56:35,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:56:35,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:56:35,874 INFO L87 Difference]: Start difference. First operand 7308 states and 10236 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-23 15:56:38,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:56:40,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:56:42,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:56:46,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:56:47,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:56:47,255 INFO L93 Difference]: Finished difference Result 7414 states and 10330 transitions. [2022-11-23 15:56:47,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:56:47,256 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 100 [2022-11-23 15:56:47,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:56:47,282 INFO L225 Difference]: With dead ends: 7414 [2022-11-23 15:56:47,282 INFO L226 Difference]: Without dead ends: 7412 [2022-11-23 15:56:47,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:56:47,288 INFO L413 NwaCegarLoop]: 3147 mSDtfsCounter, 1766 mSDsluCounter, 5822 mSDsCounter, 0 mSdLazyCounter, 1082 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1768 SdHoareTripleChecker+Valid, 8969 SdHoareTripleChecker+Invalid, 1085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1082 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:56:47,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1768 Valid, 8969 Invalid, 1085 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1082 Invalid, 2 Unknown, 0 Unchecked, 10.8s Time] [2022-11-23 15:56:47,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7412 states. [2022-11-23 15:56:47,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7412 to 7308. [2022-11-23 15:56:47,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7308 states, 4259 states have (on average 1.253111058934022) internal successors, (5337), 4504 states have internal predecessors, (5337), 2445 states have call successors, (2445), 573 states have call predecessors, (2445), 571 states have return successors, (2452), 2406 states have call predecessors, (2452), 2443 states have call successors, (2452) [2022-11-23 15:56:47,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7308 states to 7308 states and 10234 transitions. [2022-11-23 15:56:47,849 INFO L78 Accepts]: Start accepts. Automaton has 7308 states and 10234 transitions. Word has length 100 [2022-11-23 15:56:47,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:56:47,849 INFO L495 AbstractCegarLoop]: Abstraction has 7308 states and 10234 transitions. [2022-11-23 15:56:47,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-23 15:56:47,850 INFO L276 IsEmpty]: Start isEmpty. Operand 7308 states and 10234 transitions. [2022-11-23 15:56:47,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-23 15:56:47,852 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:56:47,852 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:56:47,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-23 15:56:47,853 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-23 15:56:47,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:56:47,854 INFO L85 PathProgramCache]: Analyzing trace with hash 75023880, now seen corresponding path program 1 times [2022-11-23 15:56:47,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:56:47,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501156544] [2022-11-23 15:56:47,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:56:47,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:56:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:56:48,939 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-11-23 15:56:48,939 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:56:48,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501156544] [2022-11-23 15:56:48,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501156544] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:56:48,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096723173] [2022-11-23 15:56:48,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:56:48,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:56:48,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:56:48,941 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:56:48,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 15:56:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:56:50,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 3186 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-23 15:56:50,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:56:50,609 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-11-23 15:56:50,609 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:56:50,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1096723173] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:56:50,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:56:50,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 7 [2022-11-23 15:56:50,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212591734] [2022-11-23 15:56:50,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:56:50,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 15:56:50,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:56:50,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 15:56:50,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-23 15:56:50,612 INFO L87 Difference]: Start difference. First operand 7308 states and 10234 transitions. Second operand has 7 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-23 15:56:53,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:56:55,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:56:56,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:56:59,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:05,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:07,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:09,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:09,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:57:09,591 INFO L93 Difference]: Finished difference Result 9174 states and 12835 transitions. [2022-11-23 15:57:09,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 15:57:09,591 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 108 [2022-11-23 15:57:09,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:57:09,623 INFO L225 Difference]: With dead ends: 9174 [2022-11-23 15:57:09,623 INFO L226 Difference]: Without dead ends: 7389 [2022-11-23 15:57:09,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-23 15:57:09,634 INFO L413 NwaCegarLoop]: 2711 mSDtfsCounter, 35 mSDsluCounter, 13381 mSDsCounter, 0 mSdLazyCounter, 2459 mSolverCounterSat, 76 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 16092 SdHoareTripleChecker+Invalid, 2537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 2459 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:57:09,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 16092 Invalid, 2537 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [76 Valid, 2459 Invalid, 2 Unknown, 0 Unchecked, 18.3s Time] [2022-11-23 15:57:09,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7389 states. [2022-11-23 15:57:10,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7389 to 7310. [2022-11-23 15:57:10,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7310 states, 4261 states have (on average 1.2529922553391222) internal successors, (5339), 4506 states have internal predecessors, (5339), 2445 states have call successors, (2445), 573 states have call predecessors, (2445), 571 states have return successors, (2452), 2406 states have call predecessors, (2452), 2443 states have call successors, (2452) [2022-11-23 15:57:10,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7310 states to 7310 states and 10236 transitions. [2022-11-23 15:57:10,111 INFO L78 Accepts]: Start accepts. Automaton has 7310 states and 10236 transitions. Word has length 108 [2022-11-23 15:57:10,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:57:10,112 INFO L495 AbstractCegarLoop]: Abstraction has 7310 states and 10236 transitions. [2022-11-23 15:57:10,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-23 15:57:10,112 INFO L276 IsEmpty]: Start isEmpty. Operand 7310 states and 10236 transitions. [2022-11-23 15:57:10,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-23 15:57:10,113 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:57:10,113 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:57:10,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 15:57:10,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:57:10,327 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-23 15:57:10,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:57:10,327 INFO L85 PathProgramCache]: Analyzing trace with hash 518266000, now seen corresponding path program 1 times [2022-11-23 15:57:10,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:57:10,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661684890] [2022-11-23 15:57:10,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:57:10,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:57:10,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:57:10,805 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-23 15:57:10,805 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:57:10,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661684890] [2022-11-23 15:57:10,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661684890] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:57:10,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:57:10,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:57:10,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847703744] [2022-11-23 15:57:10,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:57:10,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:57:10,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:57:10,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:57:10,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:57:10,809 INFO L87 Difference]: Start difference. First operand 7310 states and 10236 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-23 15:57:13,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:17,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:19,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:19,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:57:19,847 INFO L93 Difference]: Finished difference Result 7310 states and 10236 transitions. [2022-11-23 15:57:19,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:57:19,848 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 105 [2022-11-23 15:57:19,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:57:19,868 INFO L225 Difference]: With dead ends: 7310 [2022-11-23 15:57:19,869 INFO L226 Difference]: Without dead ends: 7308 [2022-11-23 15:57:19,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:57:19,874 INFO L413 NwaCegarLoop]: 2701 mSDtfsCounter, 3026 mSDsluCounter, 2701 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3028 SdHoareTripleChecker+Valid, 5402 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:57:19,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3028 Valid, 5402 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 2 Unknown, 0 Unchecked, 8.4s Time] [2022-11-23 15:57:19,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7308 states. [2022-11-23 15:57:20,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7308 to 7308. [2022-11-23 15:57:20,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7308 states, 4260 states have (on average 1.2523474178403755) internal successors, (5335), 4504 states have internal predecessors, (5335), 2445 states have call successors, (2445), 573 states have call predecessors, (2445), 571 states have return successors, (2452), 2406 states have call predecessors, (2452), 2443 states have call successors, (2452) [2022-11-23 15:57:20,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7308 states to 7308 states and 10232 transitions. [2022-11-23 15:57:20,554 INFO L78 Accepts]: Start accepts. Automaton has 7308 states and 10232 transitions. Word has length 105 [2022-11-23 15:57:20,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:57:20,555 INFO L495 AbstractCegarLoop]: Abstraction has 7308 states and 10232 transitions. [2022-11-23 15:57:20,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-23 15:57:20,555 INFO L276 IsEmpty]: Start isEmpty. Operand 7308 states and 10232 transitions. [2022-11-23 15:57:20,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-23 15:57:20,557 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:57:20,557 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:57:20,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-23 15:57:20,558 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-23 15:57:20,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:57:20,558 INFO L85 PathProgramCache]: Analyzing trace with hash -728249388, now seen corresponding path program 1 times [2022-11-23 15:57:20,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:57:20,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251086495] [2022-11-23 15:57:20,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:57:20,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:57:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:57:20,971 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-23 15:57:20,971 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:57:20,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251086495] [2022-11-23 15:57:20,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251086495] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:57:20,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:57:20,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:57:20,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229785660] [2022-11-23 15:57:20,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:57:20,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:57:20,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:57:20,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:57:20,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:57:20,974 INFO L87 Difference]: Start difference. First operand 7308 states and 10232 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-23 15:57:23,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:28,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:29,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:57:29,148 INFO L93 Difference]: Finished difference Result 7308 states and 10232 transitions. [2022-11-23 15:57:29,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:57:29,148 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 110 [2022-11-23 15:57:29,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:57:29,177 INFO L225 Difference]: With dead ends: 7308 [2022-11-23 15:57:29,177 INFO L226 Difference]: Without dead ends: 7306 [2022-11-23 15:57:29,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:57:29,183 INFO L413 NwaCegarLoop]: 2699 mSDtfsCounter, 3023 mSDsluCounter, 2699 mSDsCounter, 0 mSdLazyCounter, 714 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3025 SdHoareTripleChecker+Valid, 5398 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 714 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:57:29,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3025 Valid, 5398 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 714 Invalid, 1 Unknown, 0 Unchecked, 7.5s Time] [2022-11-23 15:57:29,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7306 states. [2022-11-23 15:57:29,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7306 to 7306. [2022-11-23 15:57:29,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7306 states, 4259 states have (on average 1.2517022775299367) internal successors, (5331), 4502 states have internal predecessors, (5331), 2445 states have call successors, (2445), 573 states have call predecessors, (2445), 571 states have return successors, (2452), 2406 states have call predecessors, (2452), 2443 states have call successors, (2452) [2022-11-23 15:57:29,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7306 states to 7306 states and 10228 transitions. [2022-11-23 15:57:29,916 INFO L78 Accepts]: Start accepts. Automaton has 7306 states and 10228 transitions. Word has length 110 [2022-11-23 15:57:29,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:57:29,917 INFO L495 AbstractCegarLoop]: Abstraction has 7306 states and 10228 transitions. [2022-11-23 15:57:29,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-23 15:57:29,917 INFO L276 IsEmpty]: Start isEmpty. Operand 7306 states and 10228 transitions. [2022-11-23 15:57:29,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-23 15:57:29,919 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:57:29,919 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:57:29,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-23 15:57:29,919 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-23 15:57:29,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:57:29,920 INFO L85 PathProgramCache]: Analyzing trace with hash 541383235, now seen corresponding path program 1 times [2022-11-23 15:57:29,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:57:29,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124610870] [2022-11-23 15:57:29,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:57:29,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:57:30,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:57:30,338 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-23 15:57:30,338 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:57:30,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124610870] [2022-11-23 15:57:30,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124610870] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:57:30,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:57:30,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:57:30,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037857739] [2022-11-23 15:57:30,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:57:30,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:57:30,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:57:30,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:57:30,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:57:30,342 INFO L87 Difference]: Start difference. First operand 7306 states and 10228 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-23 15:57:32,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:34,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:36,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:38,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:40,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:42,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:44,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:57:45,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:57:45,181 INFO L93 Difference]: Finished difference Result 7406 states and 10317 transitions. [2022-11-23 15:57:45,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:57:45,182 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 115 [2022-11-23 15:57:45,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:57:45,210 INFO L225 Difference]: With dead ends: 7406 [2022-11-23 15:57:45,210 INFO L226 Difference]: Without dead ends: 7404 [2022-11-23 15:57:45,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:57:45,216 INFO L413 NwaCegarLoop]: 3150 mSDtfsCounter, 1759 mSDsluCounter, 5821 mSDsCounter, 0 mSdLazyCounter, 1083 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1761 SdHoareTripleChecker+Valid, 8971 SdHoareTripleChecker+Invalid, 1087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1083 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:57:45,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1761 Valid, 8971 Invalid, 1087 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1083 Invalid, 3 Unknown, 0 Unchecked, 14.1s Time] [2022-11-23 15:57:45,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7404 states. [2022-11-23 15:57:45,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7404 to 7321. [2022-11-23 15:57:45,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7321 states, 4268 states have (on average 1.2509372071227742) internal successors, (5339), 4511 states have internal predecessors, (5339), 2448 states have call successors, (2448), 576 states have call predecessors, (2448), 574 states have return successors, (2455), 2409 states have call predecessors, (2455), 2446 states have call successors, (2455) [2022-11-23 15:57:45,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7321 states to 7321 states and 10242 transitions. [2022-11-23 15:57:45,792 INFO L78 Accepts]: Start accepts. Automaton has 7321 states and 10242 transitions. Word has length 115 [2022-11-23 15:57:45,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:57:45,792 INFO L495 AbstractCegarLoop]: Abstraction has 7321 states and 10242 transitions. [2022-11-23 15:57:45,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-23 15:57:45,792 INFO L276 IsEmpty]: Start isEmpty. Operand 7321 states and 10242 transitions. [2022-11-23 15:57:45,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-11-23 15:57:45,794 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:57:45,794 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:57:45,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-23 15:57:45,795 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2022-11-23 15:57:45,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:57:45,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1716474971, now seen corresponding path program 1 times [2022-11-23 15:57:45,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:57:45,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625206022] [2022-11-23 15:57:45,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:57:45,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:57:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:57:46,840 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-11-23 15:57:46,840 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:57:46,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625206022] [2022-11-23 15:57:46,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625206022] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:57:46,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56730073] [2022-11-23 15:57:46,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:57:46,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:57:46,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:57:46,842 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:57:46,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a08a672-534e-485f-97bd-429e1e07928b/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 15:57:48,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:57:48,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 3395 conjuncts, 40 conjunts are in the unsatisfiable core [2022-11-23 15:57:48,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:57:48,856 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 98 proven. 2 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-23 15:57:48,856 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:57:49,338 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-11-23 15:57:49,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [56730073] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:57:49,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1316076992] [2022-11-23 15:57:49,396 INFO L159 IcfgInterpreter]: Started Sifa with 75 locations of interest [2022-11-23 15:57:49,397 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:57:49,400 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:57:49,406 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:57:49,406 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:57:56,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 496 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 161 [2022-11-23 15:57:57,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 103 [2022-11-23 15:57:57,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-23 15:57:57,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 1065 treesize of output 891 [2022-11-23 15:57:59,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 496 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 161 [2022-11-23 15:58:00,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 496 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 161 [2022-11-23 15:58:00,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-23 15:58:00,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-23 15:58:01,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 109 [2022-11-23 15:58:01,601 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-23 15:58:02,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-23 15:58:02,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-23 15:58:02,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2022-11-23 16:00:11,047 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 16:00:11,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 16:00:58,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:58,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:58,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:58,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:58,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:58,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:58,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:58,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:58,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:58,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:58,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:58,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:58,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:58,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:58,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:58,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:58,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:58,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:58,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:58,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:00:58,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:04,972 WARN L233 SmtUtils]: Spent 6.09s on a formula simplification. DAG size of input: 84 DAG size of output: 67 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 16:01:04,973 INFO L321 Elim1Store]: treesize reduction 91, result has 56.9 percent of original size [2022-11-23 16:01:04,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 12069 treesize of output 11505 [2022-11-23 16:01:06,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:06,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:06,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:06,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:06,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:06,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:06,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:06,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:06,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:06,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:06,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:06,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:06,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:06,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:06,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:06,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:06,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:06,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:06,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:06,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:06,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:07,500 INFO L321 Elim1Store]: treesize reduction 107, result has 49.3 percent of original size [2022-11-23 16:01:07,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 11389 treesize of output 10809 [2022-11-23 16:01:10,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 16:01:10,453 INFO L217 Elim1Store]: Index analysis took 390 ms [2022-11-23 16:01:14,348 INFO L321 Elim1Store]: treesize reduction 510, result has 50.0 percent of original size [2022-11-23 16:01:14,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 31 select indices, 31 select index equivalence classes, 435 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 60 case distinctions, treesize of input 11085 treesize of output 10712 [2022-11-23 16:01:16,300 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 16:01:16,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 10196 treesize of output 10196 [2022-11-23 16:01:21,655 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-23 16:01:21,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 10201 treesize of output 10199 [2022-11-23 16:01:33,054 WARN L233 SmtUtils]: Spent 5.46s on a formula simplification. DAG size of input: 2384 DAG size of output: 2384 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-23 16:02:11,542 WARN L233 SmtUtils]: Spent 10.70s on a formula simplification. DAG size of input: 2397 DAG size of output: 2397 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-23 16:03:25,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 16:03:39,064 WARN L233 SmtUtils]: Spent 9.17s on a formula simplification that was a NOOP. DAG size: 2435 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-23 16:03:57,719 WARN L233 SmtUtils]: Spent 9.60s on a formula simplification that was a NOOP. DAG size: 2431 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-23 16:06:19,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7