./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--memstick--core--ms_block.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/bin/utaipan-6cKwYrpEi9 --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 66bac413628aea28df41e5815c9797e59bd0b92879c97b090502234c31960876 --- 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-6b4ec56 [2022-11-20 20:53:02,612 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 20:53:02,615 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 20:53:02,660 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 20:53:02,660 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 20:53:02,664 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 20:53:02,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 20:53:02,670 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 20:53:02,672 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 20:53:02,678 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 20:53:02,679 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 20:53:02,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 20:53:02,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 20:53:02,681 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 20:53:02,682 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 20:53:02,684 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 20:53:02,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 20:53:02,685 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 20:53:02,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 20:53:02,696 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 20:53:02,699 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 20:53:02,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 20:53:02,704 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 20:53:02,705 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 20:53:02,715 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 20:53:02,716 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 20:53:02,716 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 20:53:02,718 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 20:53:02,718 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 20:53:02,720 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 20:53:02,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 20:53:02,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 20:53:02,723 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 20:53:02,725 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 20:53:02,726 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 20:53:02,726 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 20:53:02,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 20:53:02,729 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 20:53:02,729 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 20:53:02,731 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 20:53:02,731 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 20:53:02,732 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-20 20:53:02,754 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 20:53:02,755 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 20:53:02,755 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 20:53:02,755 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 20:53:02,756 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 20:53:02,756 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 20:53:02,757 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 20:53:02,757 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 20:53:02,757 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 20:53:02,757 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 20:53:02,758 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 20:53:02,758 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 20:53:02,758 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 20:53:02,758 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 20:53:02,759 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 20:53:02,759 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 20:53:02,759 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 20:53:02,760 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 20:53:02,760 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 20:53:02,761 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 20:53:02,761 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 20:53:02,761 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 20:53:02,761 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 20:53:02,762 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 20:53:02,762 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 20:53:02,762 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 20:53:02,762 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 20:53:02,763 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 20:53:02,763 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 20:53:02,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:53:02,763 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 20:53:02,764 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 20:53:02,764 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 20:53:02,764 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 20:53:02,764 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 20:53:02,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 20:53:02,765 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 20:53:02,765 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 20:53:02,765 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_0437bdde-5622-4cff-a492-0d1030aa96a6/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66bac413628aea28df41e5815c9797e59bd0b92879c97b090502234c31960876 [2022-11-20 20:53:03,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 20:53:03,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 20:53:03,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 20:53:03,077 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 20:53:03,078 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 20:53:03,079 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i [2022-11-20 20:53:06,094 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 20:53:06,815 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 20:53:06,816 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i [2022-11-20 20:53:06,865 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/bin/utaipan-6cKwYrpEi9/data/551fec630/3b26ec3ba9504e64b23ab4f84ba7f22f/FLAGdd4115220 [2022-11-20 20:53:06,890 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/bin/utaipan-6cKwYrpEi9/data/551fec630/3b26ec3ba9504e64b23ab4f84ba7f22f [2022-11-20 20:53:06,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 20:53:06,895 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 20:53:06,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 20:53:06,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 20:53:06,903 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 20:53:06,904 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:53:06" (1/1) ... [2022-11-20 20:53:06,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@729af49c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:53:06, skipping insertion in model container [2022-11-20 20:53:06,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:53:06" (1/1) ... [2022-11-20 20:53:06,913 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 20:53:07,086 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 20:53:11,126 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[345749,345762] [2022-11-20 20:53:11,130 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[345894,345907] [2022-11-20 20:53:11,130 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346040,346053] [2022-11-20 20:53:11,131 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346205,346218] [2022-11-20 20:53:11,131 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346363,346376] [2022-11-20 20:53:11,132 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346521,346534] [2022-11-20 20:53:11,132 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346679,346692] [2022-11-20 20:53:11,133 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346839,346852] [2022-11-20 20:53:11,133 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346998,347011] [2022-11-20 20:53:11,134 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347137,347150] [2022-11-20 20:53:11,134 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347279,347292] [2022-11-20 20:53:11,135 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347428,347441] [2022-11-20 20:53:11,135 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347567,347580] [2022-11-20 20:53:11,136 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347722,347735] [2022-11-20 20:53:11,136 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347882,347895] [2022-11-20 20:53:11,136 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348033,348046] [2022-11-20 20:53:11,137 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348184,348197] [2022-11-20 20:53:11,137 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348336,348349] [2022-11-20 20:53:11,138 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348485,348498] [2022-11-20 20:53:11,138 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348633,348646] [2022-11-20 20:53:11,139 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348790,348803] [2022-11-20 20:53:11,139 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348939,348952] [2022-11-20 20:53:11,140 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349095,349108] [2022-11-20 20:53:11,140 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349248,349261] [2022-11-20 20:53:11,140 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349394,349407] [2022-11-20 20:53:11,141 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349537,349550] [2022-11-20 20:53:11,141 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349689,349702] [2022-11-20 20:53:11,142 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349835,349848] [2022-11-20 20:53:11,142 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349980,349993] [2022-11-20 20:53:11,143 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350134,350147] [2022-11-20 20:53:11,143 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350285,350298] [2022-11-20 20:53:11,144 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350440,350453] [2022-11-20 20:53:11,144 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350592,350605] [2022-11-20 20:53:11,144 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350747,350760] [2022-11-20 20:53:11,145 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350911,350924] [2022-11-20 20:53:11,145 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351067,351080] [2022-11-20 20:53:11,146 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351231,351244] [2022-11-20 20:53:11,146 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351373,351386] [2022-11-20 20:53:11,147 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351531,351544] [2022-11-20 20:53:11,148 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351698,351711] [2022-11-20 20:53:11,148 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351857,351870] [2022-11-20 20:53:11,148 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352016,352029] [2022-11-20 20:53:11,149 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352165,352178] [2022-11-20 20:53:11,149 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352312,352325] [2022-11-20 20:53:11,150 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352451,352464] [2022-11-20 20:53:11,150 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352614,352627] [2022-11-20 20:53:11,151 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352780,352793] [2022-11-20 20:53:11,151 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352944,352957] [2022-11-20 20:53:11,152 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353109,353122] [2022-11-20 20:53:11,152 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353274,353287] [2022-11-20 20:53:11,153 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353440,353453] [2022-11-20 20:53:11,153 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353605,353618] [2022-11-20 20:53:11,153 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353772,353785] [2022-11-20 20:53:11,154 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353932,353945] [2022-11-20 20:53:11,154 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354094,354107] [2022-11-20 20:53:11,155 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354253,354266] [2022-11-20 20:53:11,155 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354399,354412] [2022-11-20 20:53:11,156 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354542,354555] [2022-11-20 20:53:11,156 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354686,354699] [2022-11-20 20:53:11,157 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354829,354842] [2022-11-20 20:53:11,157 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354973,354986] [2022-11-20 20:53:11,157 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355114,355127] [2022-11-20 20:53:11,158 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355252,355265] [2022-11-20 20:53:11,158 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355410,355423] [2022-11-20 20:53:11,159 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355569,355582] [2022-11-20 20:53:11,159 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355725,355738] [2022-11-20 20:53:11,160 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355874,355887] [2022-11-20 20:53:11,160 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356026,356039] [2022-11-20 20:53:11,161 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356177,356190] [2022-11-20 20:53:11,161 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356326,356339] [2022-11-20 20:53:11,161 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356478,356491] [2022-11-20 20:53:11,162 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356626,356639] [2022-11-20 20:53:11,162 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356779,356792] [2022-11-20 20:53:11,163 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356930,356943] [2022-11-20 20:53:11,163 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357080,357093] [2022-11-20 20:53:11,164 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357227,357240] [2022-11-20 20:53:11,164 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357378,357391] [2022-11-20 20:53:11,165 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357529,357542] [2022-11-20 20:53:11,165 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357677,357690] [2022-11-20 20:53:11,165 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357843,357856] [2022-11-20 20:53:11,166 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358012,358025] [2022-11-20 20:53:11,166 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358179,358192] [2022-11-20 20:53:11,167 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358347,358360] [2022-11-20 20:53:11,167 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358497,358510] [2022-11-20 20:53:11,167 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358644,358657] [2022-11-20 20:53:11,168 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358805,358818] [2022-11-20 20:53:11,168 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358975,358988] [2022-11-20 20:53:11,168 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[359137,359150] [2022-11-20 20:53:11,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:53:11,206 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 20:53:11,566 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[345749,345762] [2022-11-20 20:53:11,567 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[345894,345907] [2022-11-20 20:53:11,567 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346040,346053] [2022-11-20 20:53:11,568 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346205,346218] [2022-11-20 20:53:11,568 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346363,346376] [2022-11-20 20:53:11,569 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346521,346534] [2022-11-20 20:53:11,569 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346679,346692] [2022-11-20 20:53:11,570 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346839,346852] [2022-11-20 20:53:11,570 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346998,347011] [2022-11-20 20:53:11,570 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347137,347150] [2022-11-20 20:53:11,571 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347279,347292] [2022-11-20 20:53:11,571 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347428,347441] [2022-11-20 20:53:11,572 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347567,347580] [2022-11-20 20:53:11,572 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347722,347735] [2022-11-20 20:53:11,572 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347882,347895] [2022-11-20 20:53:11,573 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348033,348046] [2022-11-20 20:53:11,573 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348184,348197] [2022-11-20 20:53:11,574 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348336,348349] [2022-11-20 20:53:11,574 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348485,348498] [2022-11-20 20:53:11,575 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348633,348646] [2022-11-20 20:53:11,576 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348790,348803] [2022-11-20 20:53:11,577 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348939,348952] [2022-11-20 20:53:11,577 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349095,349108] [2022-11-20 20:53:11,578 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349248,349261] [2022-11-20 20:53:11,578 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349394,349407] [2022-11-20 20:53:11,579 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349537,349550] [2022-11-20 20:53:11,580 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349689,349702] [2022-11-20 20:53:11,580 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349835,349848] [2022-11-20 20:53:11,581 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349980,349993] [2022-11-20 20:53:11,581 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350134,350147] [2022-11-20 20:53:11,582 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350285,350298] [2022-11-20 20:53:11,582 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350440,350453] [2022-11-20 20:53:11,583 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350592,350605] [2022-11-20 20:53:11,583 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350747,350760] [2022-11-20 20:53:11,584 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350911,350924] [2022-11-20 20:53:11,585 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351067,351080] [2022-11-20 20:53:11,585 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351231,351244] [2022-11-20 20:53:11,586 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351373,351386] [2022-11-20 20:53:11,587 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351531,351544] [2022-11-20 20:53:11,587 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351698,351711] [2022-11-20 20:53:11,589 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351857,351870] [2022-11-20 20:53:11,590 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352016,352029] [2022-11-20 20:53:11,591 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352165,352178] [2022-11-20 20:53:11,592 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352312,352325] [2022-11-20 20:53:11,593 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352451,352464] [2022-11-20 20:53:11,593 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352614,352627] [2022-11-20 20:53:11,593 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352780,352793] [2022-11-20 20:53:11,594 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352944,352957] [2022-11-20 20:53:11,595 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353109,353122] [2022-11-20 20:53:11,595 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353274,353287] [2022-11-20 20:53:11,596 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353440,353453] [2022-11-20 20:53:11,596 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353605,353618] [2022-11-20 20:53:11,597 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353772,353785] [2022-11-20 20:53:11,598 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353932,353945] [2022-11-20 20:53:11,599 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354094,354107] [2022-11-20 20:53:11,600 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354253,354266] [2022-11-20 20:53:11,604 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354399,354412] [2022-11-20 20:53:11,605 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354542,354555] [2022-11-20 20:53:11,606 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354686,354699] [2022-11-20 20:53:11,606 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354829,354842] [2022-11-20 20:53:11,607 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354973,354986] [2022-11-20 20:53:11,607 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355114,355127] [2022-11-20 20:53:11,610 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355252,355265] [2022-11-20 20:53:11,614 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355410,355423] [2022-11-20 20:53:11,614 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355569,355582] [2022-11-20 20:53:11,620 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355725,355738] [2022-11-20 20:53:11,621 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355874,355887] [2022-11-20 20:53:11,621 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356026,356039] [2022-11-20 20:53:11,623 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356177,356190] [2022-11-20 20:53:11,623 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356326,356339] [2022-11-20 20:53:11,624 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356478,356491] [2022-11-20 20:53:11,624 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356626,356639] [2022-11-20 20:53:11,625 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356779,356792] [2022-11-20 20:53:11,626 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356930,356943] [2022-11-20 20:53:11,626 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357080,357093] [2022-11-20 20:53:11,627 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357227,357240] [2022-11-20 20:53:11,627 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357378,357391] [2022-11-20 20:53:11,627 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357529,357542] [2022-11-20 20:53:11,630 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357677,357690] [2022-11-20 20:53:11,631 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357843,357856] [2022-11-20 20:53:11,631 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358012,358025] [2022-11-20 20:53:11,632 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358179,358192] [2022-11-20 20:53:11,632 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358347,358360] [2022-11-20 20:53:11,632 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358497,358510] [2022-11-20 20:53:11,634 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358644,358657] [2022-11-20 20:53:11,634 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358805,358818] [2022-11-20 20:53:11,634 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358975,358988] [2022-11-20 20:53:11,635 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[359137,359150] [2022-11-20 20:53:11,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:53:11,887 INFO L208 MainTranslator]: Completed translation [2022-11-20 20:53:11,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:53:11 WrapperNode [2022-11-20 20:53:11,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 20:53:11,890 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 20:53:11,890 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 20:53:11,891 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 20:53:11,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:53:11" (1/1) ... [2022-11-20 20:53:12,044 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:53:11" (1/1) ... [2022-11-20 20:53:12,225 INFO L138 Inliner]: procedures = 602, calls = 2176, calls flagged for inlining = 265, calls inlined = 157, statements flattened = 3113 [2022-11-20 20:53:12,226 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 20:53:12,227 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 20:53:12,227 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 20:53:12,227 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 20:53:12,237 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:53:11" (1/1) ... [2022-11-20 20:53:12,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:53:11" (1/1) ... [2022-11-20 20:53:12,263 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:53:11" (1/1) ... [2022-11-20 20:53:12,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:53:11" (1/1) ... [2022-11-20 20:53:12,370 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:53:11" (1/1) ... [2022-11-20 20:53:12,383 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:53:11" (1/1) ... [2022-11-20 20:53:12,401 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:53:11" (1/1) ... [2022-11-20 20:53:12,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:53:11" (1/1) ... [2022-11-20 20:53:12,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 20:53:12,447 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 20:53:12,447 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 20:53:12,447 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 20:53:12,448 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:53:11" (1/1) ... [2022-11-20 20:53:12,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:53:12,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:53:12,480 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 20:53:12,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 20:53:12,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-20 20:53:12,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-20 20:53:12,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-20 20:53:12,530 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-20 20:53:12,530 INFO L130 BoogieDeclarations]: Found specification of procedure msb_stop [2022-11-20 20:53:12,530 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_stop [2022-11-20 20:53:12,531 INFO L130 BoogieDeclarations]: Found specification of procedure msb_get_zone_from_pba [2022-11-20 20:53:12,531 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_get_zone_from_pba [2022-11-20 20:53:12,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_msb_disk_lock [2022-11-20 20:53:12,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_msb_disk_lock [2022-11-20 20:53:12,533 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-20 20:53:12,533 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-20 20:53:12,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 20:53:12,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 20:53:12,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-20 20:53:12,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-20 20:53:12,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 20:53:12,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 20:53:12,534 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-20 20:53:12,534 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-20 20:53:12,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-20 20:53:12,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-20 20:53:12,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-20 20:53:12,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-20 20:53:12,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_idr_remove_msb_disk_idr [2022-11-20 20:53:12,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_idr_remove_msb_disk_idr [2022-11-20 20:53:12,535 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-20 20:53:12,535 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-20 20:53:12,535 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-20 20:53:12,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 20:53:12,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-20 20:53:12,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 20:53:12,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 20:53:12,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-20 20:53:12,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-20 20:53:12,536 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2022-11-20 20:53:12,536 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2022-11-20 20:53:12,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 20:53:12,536 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_get_drvdata [2022-11-20 20:53:12,536 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_get_drvdata [2022-11-20 20:53:12,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-20 20:53:12,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-20 20:53:12,537 INFO L130 BoogieDeclarations]: Found specification of procedure msb_data_clear [2022-11-20 20:53:12,537 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_data_clear [2022-11-20 20:53:12,537 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-20 20:53:12,537 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-20 20:53:12,537 INFO L130 BoogieDeclarations]: Found specification of procedure msb_read_bad_block_table [2022-11-20 20:53:12,538 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_read_bad_block_table [2022-11-20 20:53:12,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-20 20:53:12,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-20 20:53:12,538 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-20 20:53:12,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-20 20:53:12,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-20 20:53:12,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-20 20:53:12,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-20 20:53:12,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-20 20:53:12,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-20 20:53:12,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-20 20:53:12,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 20:53:12,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-20 20:53:12,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-20 20:53:12,539 INFO L130 BoogieDeclarations]: Found specification of procedure msb_get_zone_from_lba [2022-11-20 20:53:12,539 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_get_zone_from_lba [2022-11-20 20:53:12,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-20 20:53:12,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-20 20:53:12,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-20 20:53:12,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-20 20:53:12,544 INFO L130 BoogieDeclarations]: Found specification of procedure msb_reset [2022-11-20 20:53:12,544 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_reset [2022-11-20 20:53:12,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-20 20:53:12,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-20 20:53:12,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-20 20:53:12,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-20 20:53:12,546 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_queue [2022-11-20 20:53:12,547 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_queue [2022-11-20 20:53:12,547 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2022-11-20 20:53:12,547 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2022-11-20 20:53:12,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-20 20:53:12,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-20 20:53:12,547 INFO L130 BoogieDeclarations]: Found specification of procedure msb_remove [2022-11-20 20:53:12,547 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_remove [2022-11-20 20:53:12,547 INFO L130 BoogieDeclarations]: Found specification of procedure msb_mark_bad [2022-11-20 20:53:12,547 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_mark_bad [2022-11-20 20:53:12,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-20 20:53:12,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-20 20:53:12,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2022-11-20 20:53:12,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2022-11-20 20:53:12,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 20:53:12,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 20:53:12,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__not_initialized [2022-11-20 20:53:12,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__not_initialized [2022-11-20 20:53:12,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-20 20:53:12,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-20 20:53:12,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 20:53:12,549 INFO L130 BoogieDeclarations]: Found specification of procedure msb_read_page [2022-11-20 20:53:12,549 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_read_page [2022-11-20 20:53:12,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_q_lock_of_msb_data [2022-11-20 20:53:12,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_q_lock_of_msb_data [2022-11-20 20:53:12,549 INFO L130 BoogieDeclarations]: Found specification of procedure msb_mark_block_used [2022-11-20 20:53:12,606 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_mark_block_used [2022-11-20 20:53:12,607 INFO L130 BoogieDeclarations]: Found specification of procedure msb_cache_discard [2022-11-20 20:53:12,607 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_cache_discard [2022-11-20 20:53:12,607 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-20 20:53:12,607 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-20 20:53:12,607 INFO L130 BoogieDeclarations]: Found specification of procedure msb_start [2022-11-20 20:53:12,607 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_start [2022-11-20 20:53:12,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-20 20:53:12,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-20 20:53:12,607 INFO L130 BoogieDeclarations]: Found specification of procedure msb_init_card [2022-11-20 20:53:12,607 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_init_card [2022-11-20 20:53:12,608 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_one [2022-11-20 20:53:12,608 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_one [2022-11-20 20:53:12,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 20:53:12,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 20:53:12,608 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-20 20:53:12,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-20 20:53:12,608 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-11-20 20:53:12,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-11-20 20:53:12,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 20:53:12,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 20:53:12,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 20:53:12,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 20:53:12,609 INFO L130 BoogieDeclarations]: Found specification of procedure msb_switch_to_parallel [2022-11-20 20:53:12,609 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_switch_to_parallel [2022-11-20 20:53:12,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 20:53:12,609 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 20:53:12,609 INFO L130 BoogieDeclarations]: Found specification of procedure msb_validate_used_block_bitmap [2022-11-20 20:53:12,609 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_validate_used_block_bitmap [2022-11-20 20:53:12,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-20 20:53:12,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-20 20:53:12,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-20 20:53:12,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-20 20:53:12,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 20:53:12,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-20 20:53:12,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-20 20:53:12,610 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-20 20:53:12,610 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-20 20:53:12,610 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_set_drvdata [2022-11-20 20:53:12,610 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_set_drvdata [2022-11-20 20:53:12,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 20:53:12,611 INFO L130 BoogieDeclarations]: Found specification of procedure msb_invalidate_reg_window [2022-11-20 20:53:12,611 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_invalidate_reg_window [2022-11-20 20:53:12,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_101 [2022-11-20 20:53:12,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_101 [2022-11-20 20:53:12,611 INFO L130 BoogieDeclarations]: Found specification of procedure msb_erase_block [2022-11-20 20:53:12,611 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_erase_block [2022-11-20 20:53:12,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 20:53:12,611 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-20 20:53:12,611 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-20 20:53:12,611 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-20 20:53:12,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-20 20:53:12,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-20 20:53:12,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-20 20:53:12,612 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_next [2022-11-20 20:53:12,612 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_next [2022-11-20 20:53:12,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-20 20:53:12,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-20 20:53:12,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-20 20:53:12,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-20 20:53:12,612 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_start [2022-11-20 20:53:12,612 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_start [2022-11-20 20:53:12,613 INFO L130 BoogieDeclarations]: Found specification of procedure msb_run_state_machine [2022-11-20 20:53:12,613 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_run_state_machine [2022-11-20 20:53:12,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-20 20:53:12,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-20 20:53:12,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-20 20:53:12,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-20 20:53:12,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-20 20:53:12,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-20 20:53:12,613 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-20 20:53:12,613 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-20 20:53:12,614 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-20 20:53:12,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-20 20:53:12,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-20 20:53:12,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-20 20:53:12,614 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 20:53:12,614 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 20:53:12,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-20 20:53:12,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-20 20:53:12,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 20:53:12,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-20 20:53:12,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-20 20:53:12,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 20:53:12,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 20:53:12,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-20 20:53:12,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-20 20:53:12,618 INFO L130 BoogieDeclarations]: Found specification of procedure sg_nents [2022-11-20 20:53:12,619 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_nents [2022-11-20 20:53:12,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_msb_disk_lock [2022-11-20 20:53:12,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_msb_disk_lock [2022-11-20 20:53:12,619 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2022-11-20 20:53:12,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2022-11-20 20:53:12,619 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_stop [2022-11-20 20:53:12,619 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_stop [2022-11-20 20:53:12,619 INFO L130 BoogieDeclarations]: Found specification of procedure msb_set_overwrite_flag [2022-11-20 20:53:12,619 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_set_overwrite_flag [2022-11-20 20:53:12,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-20 20:53:12,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-20 20:53:12,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-20 20:53:12,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-20 20:53:12,623 INFO L130 BoogieDeclarations]: Found specification of procedure msb_disk_release [2022-11-20 20:53:12,624 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_disk_release [2022-11-20 20:53:12,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_memstick_host [2022-11-20 20:53:12,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_memstick_host [2022-11-20 20:53:12,624 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2022-11-20 20:53:12,624 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2022-11-20 20:53:12,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_put_disk [2022-11-20 20:53:12,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_put_disk [2022-11-20 20:53:12,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 20:53:12,624 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-11-20 20:53:12,624 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-11-20 20:53:13,317 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 20:53:13,327 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 20:53:13,405 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 20:53:16,094 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 20:53:16,973 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 20:53:16,974 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 20:53:16,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:53:16 BoogieIcfgContainer [2022-11-20 20:53:16,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 20:53:16,981 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 20:53:16,981 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 20:53:16,985 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 20:53:16,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:53:06" (1/3) ... [2022-11-20 20:53:16,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@296231ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:53:16, skipping insertion in model container [2022-11-20 20:53:16,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:53:11" (2/3) ... [2022-11-20 20:53:16,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@296231ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:53:16, skipping insertion in model container [2022-11-20 20:53:16,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:53:16" (3/3) ... [2022-11-20 20:53:16,988 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i [2022-11-20 20:53:17,009 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 20:53:17,009 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2022-11-20 20:53:17,080 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 20:53:17,086 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;@1e56d4f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 20:53:17,086 INFO L358 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2022-11-20 20:53:17,094 INFO L276 IsEmpty]: Start isEmpty. Operand has 1024 states, 582 states have (on average 1.3161512027491409) internal successors, (766), 637 states have internal predecessors, (766), 307 states have call successors, (307), 99 states have call predecessors, (307), 98 states have return successors, (304), 301 states have call predecessors, (304), 304 states have call successors, (304) [2022-11-20 20:53:17,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-20 20:53:17,104 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:53:17,105 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-20 20:53:17,105 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-20 20:53:17,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:53:17,110 INFO L85 PathProgramCache]: Analyzing trace with hash 580379619, now seen corresponding path program 1 times [2022-11-20 20:53:17,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:53:17,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650178433] [2022-11-20 20:53:17,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:53:17,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:53:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:53:18,077 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 20:53:18,078 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:53:18,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650178433] [2022-11-20 20:53:18,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650178433] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:53:18,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:53:18,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 20:53:18,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139361626] [2022-11-20 20:53:18,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:53:18,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 20:53:18,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:53:18,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 20:53:18,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 20:53:18,138 INFO L87 Difference]: Start difference. First operand has 1024 states, 582 states have (on average 1.3161512027491409) internal successors, (766), 637 states have internal predecessors, (766), 307 states have call successors, (307), 99 states have call predecessors, (307), 98 states have return successors, (304), 301 states have call predecessors, (304), 304 states have call successors, (304) Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-20 20:53:21,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-20 20:53:21,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:53:21,876 INFO L93 Difference]: Finished difference Result 2996 states and 4276 transitions. [2022-11-20 20:53:21,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 20:53:21,879 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 38 [2022-11-20 20:53:21,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:53:21,920 INFO L225 Difference]: With dead ends: 2996 [2022-11-20 20:53:21,921 INFO L226 Difference]: Without dead ends: 1986 [2022-11-20 20:53:21,936 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 [2022-11-20 20:53:21,939 INFO L413 NwaCegarLoop]: 1450 mSDtfsCounter, 1312 mSDsluCounter, 2570 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1314 SdHoareTripleChecker+Valid, 4020 SdHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-20 20:53:21,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1314 Valid, 4020 Invalid, 530 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 528 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-11-20 20:53:21,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1986 states. [2022-11-20 20:53:22,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1986 to 1804. [2022-11-20 20:53:22,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1804 states, 1038 states have (on average 1.25626204238921) internal successors, (1304), 1109 states have internal predecessors, (1304), 555 states have call successors, (555), 176 states have call predecessors, (555), 175 states have return successors, (553), 545 states have call predecessors, (553), 553 states have call successors, (553) [2022-11-20 20:53:22,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1804 states and 2412 transitions. [2022-11-20 20:53:22,194 INFO L78 Accepts]: Start accepts. Automaton has 1804 states and 2412 transitions. Word has length 38 [2022-11-20 20:53:22,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:53:22,195 INFO L495 AbstractCegarLoop]: Abstraction has 1804 states and 2412 transitions. [2022-11-20 20:53:22,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-20 20:53:22,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2412 transitions. [2022-11-20 20:53:22,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-20 20:53:22,199 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:53:22,199 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-20 20:53:22,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 20:53:22,201 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-20 20:53:22,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:53:22,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1571141024, now seen corresponding path program 1 times [2022-11-20 20:53:22,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:53:22,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102833992] [2022-11-20 20:53:22,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:53:22,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:53:22,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:53:23,382 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 20:53:23,382 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:53:23,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102833992] [2022-11-20 20:53:23,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102833992] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:53:23,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:53:23,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-20 20:53:23,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259922290] [2022-11-20 20:53:23,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:53:23,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-20 20:53:23,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:53:23,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-20 20:53:23,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-11-20 20:53:23,388 INFO L87 Difference]: Start difference. First operand 1804 states and 2412 transitions. Second operand has 11 states, 8 states have (on average 2.875) internal successors, (23), 10 states have internal predecessors, (23), 6 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2022-11-20 20:53:28,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-20 20:53:28,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:53:28,964 INFO L93 Difference]: Finished difference Result 1998 states and 2631 transitions. [2022-11-20 20:53:28,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 20:53:28,965 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 2.875) internal successors, (23), 10 states have internal predecessors, (23), 6 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) Word has length 42 [2022-11-20 20:53:28,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:53:28,977 INFO L225 Difference]: With dead ends: 1998 [2022-11-20 20:53:28,977 INFO L226 Difference]: Without dead ends: 1837 [2022-11-20 20:53:28,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2022-11-20 20:53:28,980 INFO L413 NwaCegarLoop]: 1154 mSDtfsCounter, 24 mSDsluCounter, 10232 mSDsCounter, 0 mSdLazyCounter, 2027 mSolverCounterSat, 93 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 11386 SdHoareTripleChecker+Invalid, 2121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 2027 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-11-20 20:53:28,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 11386 Invalid, 2121 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [93 Valid, 2027 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2022-11-20 20:53:28,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1837 states. [2022-11-20 20:53:29,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1837 to 1813. [2022-11-20 20:53:29,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1813 states, 1043 states have (on average 1.25503355704698) internal successors, (1309), 1114 states have internal predecessors, (1309), 559 states have call successors, (559), 176 states have call predecessors, (559), 175 states have return successors, (557), 549 states have call predecessors, (557), 557 states have call successors, (557) [2022-11-20 20:53:29,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1813 states to 1813 states and 2425 transitions. [2022-11-20 20:53:29,082 INFO L78 Accepts]: Start accepts. Automaton has 1813 states and 2425 transitions. Word has length 42 [2022-11-20 20:53:29,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:53:29,083 INFO L495 AbstractCegarLoop]: Abstraction has 1813 states and 2425 transitions. [2022-11-20 20:53:29,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 2.875) internal successors, (23), 10 states have internal predecessors, (23), 6 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2022-11-20 20:53:29,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 2425 transitions. [2022-11-20 20:53:29,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-20 20:53:29,094 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:53:29,094 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-20 20:53:29,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 20:53:29,096 INFO L420 AbstractCegarLoop]: === Iteration 3 === 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 34 more)] === [2022-11-20 20:53:29,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:53:29,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1539125199, now seen corresponding path program 1 times [2022-11-20 20:53:29,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:53:29,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773491491] [2022-11-20 20:53:29,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:53:29,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:53:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:53:29,381 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 20:53:29,382 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:53:29,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773491491] [2022-11-20 20:53:29,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773491491] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:53:29,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:53:29,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 20:53:29,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522875767] [2022-11-20 20:53:29,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:53:29,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 20:53:29,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:53:29,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 20:53:29,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 20:53:29,384 INFO L87 Difference]: Start difference. First operand 1813 states and 2425 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) [2022-11-20 20:53:32,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-20 20:53:32,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:53:32,899 INFO L93 Difference]: Finished difference Result 3539 states and 4734 transitions. [2022-11-20 20:53:32,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 20:53:32,900 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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 43 [2022-11-20 20:53:32,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:53:32,924 INFO L225 Difference]: With dead ends: 3539 [2022-11-20 20:53:32,924 INFO L226 Difference]: Without dead ends: 3537 [2022-11-20 20:53:32,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 20:53:32,933 INFO L413 NwaCegarLoop]: 1450 mSDtfsCounter, 1270 mSDsluCounter, 2554 mSDsCounter, 0 mSdLazyCounter, 537 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1272 SdHoareTripleChecker+Valid, 4004 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 537 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-20 20:53:32,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1272 Valid, 4004 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 537 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-11-20 20:53:32,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3537 states. [2022-11-20 20:53:33,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3537 to 3349. [2022-11-20 20:53:33,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3349 states, 1932 states have (on average 1.2562111801242235) internal successors, (2427), 2039 states have internal predecessors, (2427), 1049 states have call successors, (1049), 333 states have call predecessors, (1049), 332 states have return successors, (1059), 1029 states have call predecessors, (1059), 1047 states have call successors, (1059) [2022-11-20 20:53:33,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3349 states to 3349 states and 4535 transitions. [2022-11-20 20:53:33,162 INFO L78 Accepts]: Start accepts. Automaton has 3349 states and 4535 transitions. Word has length 43 [2022-11-20 20:53:33,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:53:33,163 INFO L495 AbstractCegarLoop]: Abstraction has 3349 states and 4535 transitions. [2022-11-20 20:53:33,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) [2022-11-20 20:53:33,163 INFO L276 IsEmpty]: Start isEmpty. Operand 3349 states and 4535 transitions. [2022-11-20 20:53:33,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-20 20:53:33,164 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:53:33,164 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-20 20:53:33,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 20:53:33,165 INFO L420 AbstractCegarLoop]: === Iteration 4 === 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 34 more)] === [2022-11-20 20:53:33,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:53:33,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1983067535, now seen corresponding path program 1 times [2022-11-20 20:53:33,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:53:33,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567840602] [2022-11-20 20:53:33,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:53:33,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:53:33,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:53:33,416 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 20:53:33,417 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:53:33,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567840602] [2022-11-20 20:53:33,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567840602] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:53:33,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:53:33,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 20:53:33,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423873378] [2022-11-20 20:53:33,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:53:33,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 20:53:33,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:53:33,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 20:53:33,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 20:53:33,419 INFO L87 Difference]: Start difference. First operand 3349 states and 4535 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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) [2022-11-20 20:53:36,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-20 20:53:37,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:53:37,174 INFO L93 Difference]: Finished difference Result 6591 states and 8916 transitions. [2022-11-20 20:53:37,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 20:53:37,175 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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 48 [2022-11-20 20:53:37,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:53:37,217 INFO L225 Difference]: With dead ends: 6591 [2022-11-20 20:53:37,217 INFO L226 Difference]: Without dead ends: 6589 [2022-11-20 20:53:37,221 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 [2022-11-20 20:53:37,225 INFO L413 NwaCegarLoop]: 1438 mSDtfsCounter, 1290 mSDsluCounter, 2528 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1292 SdHoareTripleChecker+Valid, 3966 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-20 20:53:37,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1292 Valid, 3966 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 529 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-11-20 20:53:37,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6589 states. [2022-11-20 20:53:37,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6589 to 6403. [2022-11-20 20:53:37,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6403 states, 3703 states have (on average 1.2592492573588983) internal successors, (4663), 3890 states have internal predecessors, (4663), 2021 states have call successors, (2021), 648 states have call predecessors, (2021), 643 states have return successors, (2039), 1969 states have call predecessors, (2039), 2019 states have call successors, (2039) [2022-11-20 20:53:37,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6403 states to 6403 states and 8723 transitions. [2022-11-20 20:53:37,600 INFO L78 Accepts]: Start accepts. Automaton has 6403 states and 8723 transitions. Word has length 48 [2022-11-20 20:53:37,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:53:37,601 INFO L495 AbstractCegarLoop]: Abstraction has 6403 states and 8723 transitions. [2022-11-20 20:53:37,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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) [2022-11-20 20:53:37,602 INFO L276 IsEmpty]: Start isEmpty. Operand 6403 states and 8723 transitions. [2022-11-20 20:53:37,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-20 20:53:37,603 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:53:37,604 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:53:37,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 20:53:37,604 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-20 20:53:37,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:53:37,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1158847928, now seen corresponding path program 1 times [2022-11-20 20:53:37,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:53:37,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298076120] [2022-11-20 20:53:37,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:53:37,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:53:37,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:53:38,218 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 20:53:38,219 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:53:38,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298076120] [2022-11-20 20:53:38,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298076120] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:53:38,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1667225082] [2022-11-20 20:53:38,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:53:38,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:53:38,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:53:38,227 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:53:38,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 20:53:38,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:53:38,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 1394 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-20 20:53:38,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:53:38,935 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 20:53:38,936 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:53:38,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1667225082] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:53:38,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 20:53:38,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 7 [2022-11-20 20:53:38,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093693817] [2022-11-20 20:53:38,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:53:38,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 20:53:38,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:53:38,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 20:53:38,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 20:53:38,939 INFO L87 Difference]: Start difference. First operand 6403 states and 8723 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-20 20:53:43,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-20 20:53:43,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:53:43,848 INFO L93 Difference]: Finished difference Result 6882 states and 9413 transitions. [2022-11-20 20:53:43,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 20:53:43,849 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 55 [2022-11-20 20:53:43,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:53:43,889 INFO L225 Difference]: With dead ends: 6882 [2022-11-20 20:53:43,889 INFO L226 Difference]: Without dead ends: 6680 [2022-11-20 20:53:43,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 55 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-20 20:53:43,896 INFO L413 NwaCegarLoop]: 1252 mSDtfsCounter, 49 mSDsluCounter, 6031 mSDsCounter, 0 mSdLazyCounter, 1220 mSolverCounterSat, 146 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 7283 SdHoareTripleChecker+Invalid, 1367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 1220 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-20 20:53:43,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 7283 Invalid, 1367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 1220 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2022-11-20 20:53:43,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6680 states. [2022-11-20 20:53:44,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6680 to 6405. [2022-11-20 20:53:44,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6405 states, 3705 states have (on average 1.2591093117408907) internal successors, (4665), 3892 states have internal predecessors, (4665), 2021 states have call successors, (2021), 648 states have call predecessors, (2021), 643 states have return successors, (2039), 1969 states have call predecessors, (2039), 2019 states have call successors, (2039) [2022-11-20 20:53:44,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6405 states to 6405 states and 8725 transitions. [2022-11-20 20:53:44,377 INFO L78 Accepts]: Start accepts. Automaton has 6405 states and 8725 transitions. Word has length 55 [2022-11-20 20:53:44,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:53:44,378 INFO L495 AbstractCegarLoop]: Abstraction has 6405 states and 8725 transitions. [2022-11-20 20:53:44,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-20 20:53:44,379 INFO L276 IsEmpty]: Start isEmpty. Operand 6405 states and 8725 transitions. [2022-11-20 20:53:44,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-20 20:53:44,380 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:53:44,380 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-20 20:53:44,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 20:53:44,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:53:44,599 INFO L420 AbstractCegarLoop]: === Iteration 6 === 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 34 more)] === [2022-11-20 20:53:44,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:53:44,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1892931426, now seen corresponding path program 1 times [2022-11-20 20:53:44,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:53:44,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256852020] [2022-11-20 20:53:44,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:53:44,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:53:44,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:53:44,878 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 20:53:44,878 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:53:44,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256852020] [2022-11-20 20:53:44,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256852020] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:53:44,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:53:44,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 20:53:44,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185027621] [2022-11-20 20:53:44,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:53:44,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 20:53:44,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:53:44,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 20:53:44,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 20:53:44,881 INFO L87 Difference]: Start difference. First operand 6405 states and 8725 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-20 20:53:47,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-20 20:53:48,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:53:48,592 INFO L93 Difference]: Finished difference Result 6611 states and 8939 transitions. [2022-11-20 20:53:48,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 20:53:48,593 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 53 [2022-11-20 20:53:48,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:53:48,648 INFO L225 Difference]: With dead ends: 6611 [2022-11-20 20:53:48,649 INFO L226 Difference]: Without dead ends: 6609 [2022-11-20 20:53:48,652 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 [2022-11-20 20:53:48,653 INFO L413 NwaCegarLoop]: 1441 mSDtfsCounter, 1294 mSDsluCounter, 2549 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1296 SdHoareTripleChecker+Valid, 3990 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-20 20:53:48,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1296 Valid, 3990 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 527 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-11-20 20:53:48,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6609 states. [2022-11-20 20:53:48,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6609 to 6447. [2022-11-20 20:53:48,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6447 states, 3726 states have (on average 1.2584541062801933) internal successors, (4689), 3913 states have internal predecessors, (4689), 2035 states have call successors, (2035), 655 states have call predecessors, (2035), 650 states have return successors, (2053), 1983 states have call predecessors, (2053), 2033 states have call successors, (2053) [2022-11-20 20:53:49,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6447 states to 6447 states and 8777 transitions. [2022-11-20 20:53:49,030 INFO L78 Accepts]: Start accepts. Automaton has 6447 states and 8777 transitions. Word has length 53 [2022-11-20 20:53:49,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:53:49,032 INFO L495 AbstractCegarLoop]: Abstraction has 6447 states and 8777 transitions. [2022-11-20 20:53:49,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-20 20:53:49,033 INFO L276 IsEmpty]: Start isEmpty. Operand 6447 states and 8777 transitions. [2022-11-20 20:53:49,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-20 20:53:49,034 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:53:49,034 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-20 20:53:49,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 20:53:49,034 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-20 20:53:49,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:53:49,035 INFO L85 PathProgramCache]: Analyzing trace with hash -491025950, now seen corresponding path program 1 times [2022-11-20 20:53:49,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:53:49,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188546249] [2022-11-20 20:53:49,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:53:49,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:53:49,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:53:50,136 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-20 20:53:50,137 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:53:50,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188546249] [2022-11-20 20:53:50,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188546249] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:53:50,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:53:50,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-20 20:53:50,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177554392] [2022-11-20 20:53:50,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:53:50,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-20 20:53:50,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:53:50,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 20:53:50,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-20 20:53:50,139 INFO L87 Difference]: Start difference. First operand 6447 states and 8777 transitions. Second operand has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 11 states have internal predecessors, (30), 7 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) [2022-11-20 20:53:55,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-20 20:53:56,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:53:56,311 INFO L93 Difference]: Finished difference Result 6969 states and 9412 transitions. [2022-11-20 20:53:56,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 20:53:56,312 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 11 states have internal predecessors, (30), 7 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) Word has length 59 [2022-11-20 20:53:56,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:53:56,344 INFO L225 Difference]: With dead ends: 6969 [2022-11-20 20:53:56,345 INFO L226 Difference]: Without dead ends: 6597 [2022-11-20 20:53:56,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2022-11-20 20:53:56,351 INFO L413 NwaCegarLoop]: 1153 mSDtfsCounter, 33 mSDsluCounter, 11327 mSDsCounter, 0 mSdLazyCounter, 2236 mSolverCounterSat, 120 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 12480 SdHoareTripleChecker+Invalid, 2357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 2236 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-11-20 20:53:56,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 12480 Invalid, 2357 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [120 Valid, 2236 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2022-11-20 20:53:56,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6597 states. [2022-11-20 20:53:56,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6597 to 6518. [2022-11-20 20:53:56,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6518 states, 3769 states have (on average 1.2555054391085168) internal successors, (4732), 3956 states have internal predecessors, (4732), 2063 states have call successors, (2063), 655 states have call predecessors, (2063), 650 states have return successors, (2081), 2011 states have call predecessors, (2081), 2061 states have call successors, (2081) [2022-11-20 20:53:56,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6518 states to 6518 states and 8876 transitions. [2022-11-20 20:53:56,775 INFO L78 Accepts]: Start accepts. Automaton has 6518 states and 8876 transitions. Word has length 59 [2022-11-20 20:53:56,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:53:56,776 INFO L495 AbstractCegarLoop]: Abstraction has 6518 states and 8876 transitions. [2022-11-20 20:53:56,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 11 states have internal predecessors, (30), 7 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) [2022-11-20 20:53:56,776 INFO L276 IsEmpty]: Start isEmpty. Operand 6518 states and 8876 transitions. [2022-11-20 20:53:56,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-20 20:53:56,777 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:53:56,777 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-20 20:53:56,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 20:53:56,778 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 34 more)] === [2022-11-20 20:53:56,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:53:56,778 INFO L85 PathProgramCache]: Analyzing trace with hash 845912774, now seen corresponding path program 1 times [2022-11-20 20:53:56,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:53:56,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483386512] [2022-11-20 20:53:56,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:53:56,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:53:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:53:56,973 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 20:53:56,973 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:53:56,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483386512] [2022-11-20 20:53:56,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483386512] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:53:56,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:53:56,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 20:53:56,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954040549] [2022-11-20 20:53:56,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:53:56,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 20:53:56,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:53:56,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 20:53:56,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 20:53:56,976 INFO L87 Difference]: Start difference. First operand 6518 states and 8876 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-20 20:53:59,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-20 20:54:00,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:54:00,697 INFO L93 Difference]: Finished difference Result 6680 states and 9036 transitions. [2022-11-20 20:54:00,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 20:54:00,697 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 58 [2022-11-20 20:54:00,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:54:00,727 INFO L225 Difference]: With dead ends: 6680 [2022-11-20 20:54:00,727 INFO L226 Difference]: Without dead ends: 6678 [2022-11-20 20:54:00,731 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 [2022-11-20 20:54:00,732 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 1291 mSDsluCounter, 2560 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1293 SdHoareTripleChecker+Valid, 4012 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-20 20:54:00,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1293 Valid, 4012 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-11-20 20:54:00,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6678 states. [2022-11-20 20:54:01,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6678 to 6524. [2022-11-20 20:54:01,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6524 states, 3772 states have (on average 1.255302226935313) internal successors, (4735), 3959 states have internal predecessors, (4735), 2065 states have call successors, (2065), 656 states have call predecessors, (2065), 651 states have return successors, (2083), 2013 states have call predecessors, (2083), 2063 states have call successors, (2083) [2022-11-20 20:54:01,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6524 states to 6524 states and 8883 transitions. [2022-11-20 20:54:01,103 INFO L78 Accepts]: Start accepts. Automaton has 6524 states and 8883 transitions. Word has length 58 [2022-11-20 20:54:01,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:54:01,104 INFO L495 AbstractCegarLoop]: Abstraction has 6524 states and 8883 transitions. [2022-11-20 20:54:01,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-20 20:54:01,104 INFO L276 IsEmpty]: Start isEmpty. Operand 6524 states and 8883 transitions. [2022-11-20 20:54:01,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-20 20:54:01,106 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:54:01,106 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-20 20:54:01,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 20:54:01,106 INFO L420 AbstractCegarLoop]: === Iteration 9 === 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 34 more)] === [2022-11-20 20:54:01,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:54:01,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1560602758, now seen corresponding path program 1 times [2022-11-20 20:54:01,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:54:01,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407456958] [2022-11-20 20:54:01,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:54:01,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:54:01,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:54:01,344 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 20:54:01,344 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:54:01,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407456958] [2022-11-20 20:54:01,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407456958] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:54:01,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:54:01,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 20:54:01,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828549164] [2022-11-20 20:54:01,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:54:01,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 20:54:01,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:54:01,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 20:54:01,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 20:54:01,347 INFO L87 Difference]: Start difference. First operand 6524 states and 8883 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (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) [2022-11-20 20:54:04,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-20 20:54:04,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:54:04,857 INFO L93 Difference]: Finished difference Result 6678 states and 9034 transitions. [2022-11-20 20:54:04,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 20:54:04,858 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (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 [2022-11-20 20:54:04,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:54:04,892 INFO L225 Difference]: With dead ends: 6678 [2022-11-20 20:54:04,893 INFO L226 Difference]: Without dead ends: 6676 [2022-11-20 20:54:04,898 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 [2022-11-20 20:54:04,899 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 1288 mSDsluCounter, 2560 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1290 SdHoareTripleChecker+Valid, 4012 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-20 20:54:04,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1290 Valid, 4012 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-11-20 20:54:04,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6676 states. [2022-11-20 20:54:05,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6676 to 6530. [2022-11-20 20:54:05,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6530 states, 3775 states have (on average 1.2550993377483444) internal successors, (4738), 3962 states have internal predecessors, (4738), 2067 states have call successors, (2067), 657 states have call predecessors, (2067), 652 states have return successors, (2085), 2015 states have call predecessors, (2085), 2065 states have call successors, (2085) [2022-11-20 20:54:05,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6530 states to 6530 states and 8890 transitions. [2022-11-20 20:54:05,363 INFO L78 Accepts]: Start accepts. Automaton has 6530 states and 8890 transitions. Word has length 63 [2022-11-20 20:54:05,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:54:05,364 INFO L495 AbstractCegarLoop]: Abstraction has 6530 states and 8890 transitions. [2022-11-20 20:54:05,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (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) [2022-11-20 20:54:05,364 INFO L276 IsEmpty]: Start isEmpty. Operand 6530 states and 8890 transitions. [2022-11-20 20:54:05,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-20 20:54:05,366 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:54:05,366 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-20 20:54:05,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 20:54:05,367 INFO L420 AbstractCegarLoop]: === Iteration 10 === 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 34 more)] === [2022-11-20 20:54:05,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:54:05,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1803948370, now seen corresponding path program 1 times [2022-11-20 20:54:05,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:54:05,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009392706] [2022-11-20 20:54:05,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:54:05,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:54:05,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:54:05,558 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 20:54:05,558 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:54:05,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009392706] [2022-11-20 20:54:05,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009392706] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:54:05,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:54:05,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 20:54:05,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475208527] [2022-11-20 20:54:05,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:54:05,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 20:54:05,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:54:05,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 20:54:05,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 20:54:05,562 INFO L87 Difference]: Start difference. First operand 6530 states and 8890 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (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) [2022-11-20 20:54:08,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-20 20:54:09,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:54:09,212 INFO L93 Difference]: Finished difference Result 6676 states and 9032 transitions. [2022-11-20 20:54:09,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 20:54:09,216 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (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 [2022-11-20 20:54:09,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:54:09,247 INFO L225 Difference]: With dead ends: 6676 [2022-11-20 20:54:09,247 INFO L226 Difference]: Without dead ends: 6674 [2022-11-20 20:54:09,253 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 [2022-11-20 20:54:09,253 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 1285 mSDsluCounter, 2560 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1287 SdHoareTripleChecker+Valid, 4012 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-20 20:54:09,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1287 Valid, 4012 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-11-20 20:54:09,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6674 states. [2022-11-20 20:54:09,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6674 to 6536. [2022-11-20 20:54:09,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6536 states, 3778 states have (on average 1.2548967707781895) internal successors, (4741), 3965 states have internal predecessors, (4741), 2069 states have call successors, (2069), 658 states have call predecessors, (2069), 653 states have return successors, (2087), 2017 states have call predecessors, (2087), 2067 states have call successors, (2087) [2022-11-20 20:54:09,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6536 states to 6536 states and 8897 transitions. [2022-11-20 20:54:09,745 INFO L78 Accepts]: Start accepts. Automaton has 6536 states and 8897 transitions. Word has length 68 [2022-11-20 20:54:09,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:54:09,747 INFO L495 AbstractCegarLoop]: Abstraction has 6536 states and 8897 transitions. [2022-11-20 20:54:09,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (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) [2022-11-20 20:54:09,747 INFO L276 IsEmpty]: Start isEmpty. Operand 6536 states and 8897 transitions. [2022-11-20 20:54:09,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-20 20:54:09,750 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:54:09,750 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1] [2022-11-20 20:54:09,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 20:54:09,751 INFO L420 AbstractCegarLoop]: === Iteration 11 === 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 34 more)] === [2022-11-20 20:54:09,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:54:09,751 INFO L85 PathProgramCache]: Analyzing trace with hash 221373780, now seen corresponding path program 1 times [2022-11-20 20:54:09,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:54:09,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203355278] [2022-11-20 20:54:09,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:54:09,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:54:09,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:54:09,947 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 20:54:09,947 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:54:09,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203355278] [2022-11-20 20:54:09,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203355278] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:54:09,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:54:09,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 20:54:09,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711019750] [2022-11-20 20:54:09,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:54:09,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 20:54:09,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:54:09,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 20:54:09,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 20:54:09,950 INFO L87 Difference]: Start difference. First operand 6536 states and 8897 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (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) [2022-11-20 20:54:12,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-20 20:54:13,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:54:13,481 INFO L93 Difference]: Finished difference Result 6674 states and 9030 transitions. [2022-11-20 20:54:13,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 20:54:13,482 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (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 [2022-11-20 20:54:13,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:54:13,508 INFO L225 Difference]: With dead ends: 6674 [2022-11-20 20:54:13,508 INFO L226 Difference]: Without dead ends: 6672 [2022-11-20 20:54:13,512 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 [2022-11-20 20:54:13,513 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 1290 mSDsluCounter, 2556 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1292 SdHoareTripleChecker+Valid, 4008 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-20 20:54:13,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1292 Valid, 4008 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-11-20 20:54:13,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6672 states. [2022-11-20 20:54:13,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6672 to 6544. [2022-11-20 20:54:13,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6544 states, 3783 states have (on average 1.2548242135871002) internal successors, (4747), 3970 states have internal predecessors, (4747), 2071 states have call successors, (2071), 659 states have call predecessors, (2071), 654 states have return successors, (2089), 2019 states have call predecessors, (2089), 2069 states have call successors, (2089) [2022-11-20 20:54:13,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6544 states to 6544 states and 8907 transitions. [2022-11-20 20:54:13,929 INFO L78 Accepts]: Start accepts. Automaton has 6544 states and 8907 transitions. Word has length 73 [2022-11-20 20:54:13,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:54:13,930 INFO L495 AbstractCegarLoop]: Abstraction has 6544 states and 8907 transitions. [2022-11-20 20:54:13,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (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) [2022-11-20 20:54:13,931 INFO L276 IsEmpty]: Start isEmpty. Operand 6544 states and 8907 transitions. [2022-11-20 20:54:13,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-20 20:54:13,932 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:54:13,933 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2022-11-20 20:54:13,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 20:54:13,933 INFO L420 AbstractCegarLoop]: === Iteration 12 === 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 34 more)] === [2022-11-20 20:54:13,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:54:13,934 INFO L85 PathProgramCache]: Analyzing trace with hash -2008027849, now seen corresponding path program 1 times [2022-11-20 20:54:13,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:54:13,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012939803] [2022-11-20 20:54:13,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:54:13,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:54:13,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:54:14,173 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 20:54:14,173 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:54:14,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012939803] [2022-11-20 20:54:14,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012939803] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:54:14,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:54:14,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 20:54:14,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880718517] [2022-11-20 20:54:14,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:54:14,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 20:54:14,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:54:14,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 20:54:14,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 20:54:14,176 INFO L87 Difference]: Start difference. First operand 6544 states and 8907 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, (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) [2022-11-20 20:54:16,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-20 20:54:17,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:54:17,586 INFO L93 Difference]: Finished difference Result 6672 states and 9028 transitions. [2022-11-20 20:54:17,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 20:54:17,586 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, (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 75 [2022-11-20 20:54:17,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:54:17,616 INFO L225 Difference]: With dead ends: 6672 [2022-11-20 20:54:17,616 INFO L226 Difference]: Without dead ends: 6670 [2022-11-20 20:54:17,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 20:54:17,622 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 1278 mSDsluCounter, 2560 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1280 SdHoareTripleChecker+Valid, 4012 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-20 20:54:17,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1280 Valid, 4012 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2022-11-20 20:54:17,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6670 states. [2022-11-20 20:54:18,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6670 to 6544. [2022-11-20 20:54:18,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6544 states, 3783 states have (on average 1.2545598731165741) internal successors, (4746), 3970 states have internal predecessors, (4746), 2071 states have call successors, (2071), 659 states have call predecessors, (2071), 654 states have return successors, (2089), 2019 states have call predecessors, (2089), 2069 states have call successors, (2089) [2022-11-20 20:54:18,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6544 states to 6544 states and 8906 transitions. [2022-11-20 20:54:18,225 INFO L78 Accepts]: Start accepts. Automaton has 6544 states and 8906 transitions. Word has length 75 [2022-11-20 20:54:18,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:54:18,226 INFO L495 AbstractCegarLoop]: Abstraction has 6544 states and 8906 transitions. [2022-11-20 20:54:18,226 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, (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) [2022-11-20 20:54:18,226 INFO L276 IsEmpty]: Start isEmpty. Operand 6544 states and 8906 transitions. [2022-11-20 20:54:18,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-20 20:54:18,227 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:54:18,227 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:54:18,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 20:54:18,228 INFO L420 AbstractCegarLoop]: === Iteration 13 === 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 34 more)] === [2022-11-20 20:54:18,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:54:18,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1920795639, now seen corresponding path program 1 times [2022-11-20 20:54:18,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:54:18,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627252465] [2022-11-20 20:54:18,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:54:18,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:54:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:54:18,409 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 20:54:18,409 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:54:18,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627252465] [2022-11-20 20:54:18,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627252465] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:54:18,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:54:18,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 20:54:18,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150499639] [2022-11-20 20:54:18,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:54:18,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 20:54:18,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:54:18,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 20:54:18,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 20:54:18,412 INFO L87 Difference]: Start difference. First operand 6544 states and 8906 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, (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) [2022-11-20 20:54:21,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-20 20:54:21,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:54:21,942 INFO L93 Difference]: Finished difference Result 6670 states and 9026 transitions. [2022-11-20 20:54:21,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 20:54:21,943 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, (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 80 [2022-11-20 20:54:21,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:54:21,970 INFO L225 Difference]: With dead ends: 6670 [2022-11-20 20:54:21,970 INFO L226 Difference]: Without dead ends: 6668 [2022-11-20 20:54:21,975 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 [2022-11-20 20:54:21,976 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 1277 mSDsluCounter, 2560 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1279 SdHoareTripleChecker+Valid, 4012 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-20 20:54:21,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1279 Valid, 4012 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-11-20 20:54:21,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6668 states. [2022-11-20 20:54:22,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6668 to 6550. [2022-11-20 20:54:22,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6550 states, 3786 states have (on average 1.2543581616481776) internal successors, (4749), 3973 states have internal predecessors, (4749), 2073 states have call successors, (2073), 660 states have call predecessors, (2073), 655 states have return successors, (2091), 2021 states have call predecessors, (2091), 2071 states have call successors, (2091) [2022-11-20 20:54:22,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6550 states to 6550 states and 8913 transitions. [2022-11-20 20:54:22,425 INFO L78 Accepts]: Start accepts. Automaton has 6550 states and 8913 transitions. Word has length 80 [2022-11-20 20:54:22,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:54:22,426 INFO L495 AbstractCegarLoop]: Abstraction has 6550 states and 8913 transitions. [2022-11-20 20:54:22,426 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, (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) [2022-11-20 20:54:22,426 INFO L276 IsEmpty]: Start isEmpty. Operand 6550 states and 8913 transitions. [2022-11-20 20:54:22,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-20 20:54:22,427 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:54:22,428 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:54:22,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-20 20:54:22,428 INFO L420 AbstractCegarLoop]: === Iteration 14 === 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 34 more)] === [2022-11-20 20:54:22,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:54:22,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1332796663, now seen corresponding path program 1 times [2022-11-20 20:54:22,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:54:22,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289714734] [2022-11-20 20:54:22,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:54:22,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:54:22,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:54:22,643 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 20:54:22,644 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:54:22,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289714734] [2022-11-20 20:54:22,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289714734] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:54:22,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:54:22,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 20:54:22,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822686577] [2022-11-20 20:54:22,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:54:22,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 20:54:22,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:54:22,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 20:54:22,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 20:54:22,647 INFO L87 Difference]: Start difference. First operand 6550 states and 8913 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, (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) [2022-11-20 20:54:25,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-20 20:54:26,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:54:26,255 INFO L93 Difference]: Finished difference Result 6668 states and 9024 transitions. [2022-11-20 20:54:26,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 20:54:26,255 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, (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 85 [2022-11-20 20:54:26,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:54:26,286 INFO L225 Difference]: With dead ends: 6668 [2022-11-20 20:54:26,286 INFO L226 Difference]: Without dead ends: 6666 [2022-11-20 20:54:26,291 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 [2022-11-20 20:54:26,292 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 1274 mSDsluCounter, 2560 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1276 SdHoareTripleChecker+Valid, 4012 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-20 20:54:26,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1276 Valid, 4012 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-11-20 20:54:26,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6666 states. [2022-11-20 20:54:26,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6666 to 6556. [2022-11-20 20:54:26,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6556 states, 3789 states have (on average 1.2541567695961995) internal successors, (4752), 3976 states have internal predecessors, (4752), 2075 states have call successors, (2075), 661 states have call predecessors, (2075), 656 states have return successors, (2093), 2023 states have call predecessors, (2093), 2073 states have call successors, (2093) [2022-11-20 20:54:26,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6556 states to 6556 states and 8920 transitions. [2022-11-20 20:54:26,825 INFO L78 Accepts]: Start accepts. Automaton has 6556 states and 8920 transitions. Word has length 85 [2022-11-20 20:54:26,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:54:26,827 INFO L495 AbstractCegarLoop]: Abstraction has 6556 states and 8920 transitions. [2022-11-20 20:54:26,827 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, (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) [2022-11-20 20:54:26,827 INFO L276 IsEmpty]: Start isEmpty. Operand 6556 states and 8920 transitions. [2022-11-20 20:54:26,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-20 20:54:26,832 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:54:26,832 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-20 20:54:26,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-20 20:54:26,833 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-20 20:54:26,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:54:26,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1379181229, now seen corresponding path program 1 times [2022-11-20 20:54:26,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:54:26,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201429734] [2022-11-20 20:54:26,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:54:26,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:54:26,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:54:27,414 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2022-11-20 20:54:27,414 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:54:27,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201429734] [2022-11-20 20:54:27,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201429734] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:54:27,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:54:27,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 20:54:27,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956325769] [2022-11-20 20:54:27,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:54:27,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 20:54:27,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:54:27,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 20:54:27,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 20:54:27,419 INFO L87 Difference]: Start difference. First operand 6556 states and 8920 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-20 20:54:30,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-20 20:54:31,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:54:31,531 INFO L93 Difference]: Finished difference Result 7654 states and 10282 transitions. [2022-11-20 20:54:31,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 20:54:31,532 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 119 [2022-11-20 20:54:31,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:54:31,568 INFO L225 Difference]: With dead ends: 7654 [2022-11-20 20:54:31,569 INFO L226 Difference]: Without dead ends: 7652 [2022-11-20 20:54:31,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-20 20:54:31,575 INFO L413 NwaCegarLoop]: 1465 mSDtfsCounter, 1244 mSDsluCounter, 3994 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1246 SdHoareTripleChecker+Valid, 5459 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-20 20:54:31,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1246 Valid, 5459 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 706 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2022-11-20 20:54:31,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7652 states. [2022-11-20 20:54:32,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7652 to 7462. [2022-11-20 20:54:32,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7462 states, 4336 states have (on average 1.253920664206642) internal successors, (5437), 4545 states have internal predecessors, (5437), 2310 states have call successors, (2310), 787 states have call predecessors, (2310), 780 states have return successors, (2330), 2245 states have call predecessors, (2330), 2308 states have call successors, (2330) [2022-11-20 20:54:32,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7462 states to 7462 states and 10077 transitions. [2022-11-20 20:54:32,105 INFO L78 Accepts]: Start accepts. Automaton has 7462 states and 10077 transitions. Word has length 119 [2022-11-20 20:54:32,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:54:32,106 INFO L495 AbstractCegarLoop]: Abstraction has 7462 states and 10077 transitions. [2022-11-20 20:54:32,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-20 20:54:32,107 INFO L276 IsEmpty]: Start isEmpty. Operand 7462 states and 10077 transitions. [2022-11-20 20:54:32,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-20 20:54:32,110 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:54:32,110 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:54:32,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-20 20:54:32,111 INFO L420 AbstractCegarLoop]: === Iteration 16 === 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 34 more)] === [2022-11-20 20:54:32,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:54:32,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1941809798, now seen corresponding path program 1 times [2022-11-20 20:54:32,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:54:32,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774704345] [2022-11-20 20:54:32,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:54:32,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:54:32,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:54:32,352 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 20:54:32,352 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:54:32,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774704345] [2022-11-20 20:54:32,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774704345] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:54:32,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:54:32,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 20:54:32,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747245427] [2022-11-20 20:54:32,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:54:32,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 20:54:32,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:54:32,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 20:54:32,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 20:54:32,354 INFO L87 Difference]: Start difference. First operand 7462 states and 10077 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, (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) [2022-11-20 20:54:35,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-20 20:54:36,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:54:36,083 INFO L93 Difference]: Finished difference Result 7572 states and 10179 transitions. [2022-11-20 20:54:36,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 20:54:36,083 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, (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 90 [2022-11-20 20:54:36,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:54:36,116 INFO L225 Difference]: With dead ends: 7572 [2022-11-20 20:54:36,116 INFO L226 Difference]: Without dead ends: 7570 [2022-11-20 20:54:36,121 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 [2022-11-20 20:54:36,122 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 1271 mSDsluCounter, 2560 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1273 SdHoareTripleChecker+Valid, 4012 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-20 20:54:36,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1273 Valid, 4012 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-11-20 20:54:36,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7570 states. [2022-11-20 20:54:36,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7570 to 7468. [2022-11-20 20:54:36,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7468 states, 4339 states have (on average 1.2537451025581932) internal successors, (5440), 4548 states have internal predecessors, (5440), 2312 states have call successors, (2312), 788 states have call predecessors, (2312), 781 states have return successors, (2332), 2247 states have call predecessors, (2332), 2310 states have call successors, (2332) [2022-11-20 20:54:36,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7468 states to 7468 states and 10084 transitions. [2022-11-20 20:54:36,581 INFO L78 Accepts]: Start accepts. Automaton has 7468 states and 10084 transitions. Word has length 90 [2022-11-20 20:54:36,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:54:36,581 INFO L495 AbstractCegarLoop]: Abstraction has 7468 states and 10084 transitions. [2022-11-20 20:54:36,581 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, (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) [2022-11-20 20:54:36,582 INFO L276 IsEmpty]: Start isEmpty. Operand 7468 states and 10084 transitions. [2022-11-20 20:54:36,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-20 20:54:36,583 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:54:36,583 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-20 20:54:36,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-20 20:54:36,584 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-20 20:54:36,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:54:36,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1475279590, now seen corresponding path program 1 times [2022-11-20 20:54:36,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:54:36,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448235478] [2022-11-20 20:54:36,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:54:36,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:54:36,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:54:37,187 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2022-11-20 20:54:37,188 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:54:37,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448235478] [2022-11-20 20:54:37,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448235478] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:54:37,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:54:37,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 20:54:37,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724666911] [2022-11-20 20:54:37,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:54:37,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 20:54:37,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:54:37,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 20:54:37,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 20:54:37,190 INFO L87 Difference]: Start difference. First operand 7468 states and 10084 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-20 20:54:41,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-20 20:54:42,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:54:42,543 INFO L93 Difference]: Finished difference Result 7570 states and 10177 transitions. [2022-11-20 20:54:42,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 20:54:42,544 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) Word has length 123 [2022-11-20 20:54:42,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:54:42,578 INFO L225 Difference]: With dead ends: 7570 [2022-11-20 20:54:42,578 INFO L226 Difference]: Without dead ends: 7568 [2022-11-20 20:54:42,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-20 20:54:42,584 INFO L413 NwaCegarLoop]: 1453 mSDtfsCounter, 1278 mSDsluCounter, 4855 mSDsCounter, 0 mSdLazyCounter, 1486 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1281 SdHoareTripleChecker+Valid, 6308 SdHoareTripleChecker+Invalid, 1488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1486 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-20 20:54:42,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1281 Valid, 6308 Invalid, 1488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1486 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2022-11-20 20:54:42,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7568 states. [2022-11-20 20:54:43,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7568 to 7468. [2022-11-20 20:54:43,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7468 states, 4339 states have (on average 1.2528232311592533) internal successors, (5436), 4548 states have internal predecessors, (5436), 2312 states have call successors, (2312), 788 states have call predecessors, (2312), 781 states have return successors, (2332), 2247 states have call predecessors, (2332), 2310 states have call successors, (2332) [2022-11-20 20:54:43,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7468 states to 7468 states and 10080 transitions. [2022-11-20 20:54:43,296 INFO L78 Accepts]: Start accepts. Automaton has 7468 states and 10080 transitions. Word has length 123 [2022-11-20 20:54:43,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:54:43,297 INFO L495 AbstractCegarLoop]: Abstraction has 7468 states and 10080 transitions. [2022-11-20 20:54:43,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-20 20:54:43,297 INFO L276 IsEmpty]: Start isEmpty. Operand 7468 states and 10080 transitions. [2022-11-20 20:54:43,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-20 20:54:43,299 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:54:43,299 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:54:43,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-20 20:54:43,300 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-20 20:54:43,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:54:43,300 INFO L85 PathProgramCache]: Analyzing trace with hash 114628181, now seen corresponding path program 1 times [2022-11-20 20:54:43,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:54:43,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801113402] [2022-11-20 20:54:43,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:54:43,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:54:43,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:54:43,549 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 20:54:43,550 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:54:43,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801113402] [2022-11-20 20:54:43,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801113402] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:54:43,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:54:43,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 20:54:43,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020392354] [2022-11-20 20:54:43,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:54:43,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 20:54:43,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:54:43,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 20:54:43,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 20:54:43,553 INFO L87 Difference]: Start difference. First operand 7468 states and 10080 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (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) [2022-11-20 20:54:46,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-20 20:54:47,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:54:47,250 INFO L93 Difference]: Finished difference Result 7568 states and 10172 transitions. [2022-11-20 20:54:47,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 20:54:47,251 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 95 [2022-11-20 20:54:47,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:54:47,276 INFO L225 Difference]: With dead ends: 7568 [2022-11-20 20:54:47,276 INFO L226 Difference]: Without dead ends: 7566 [2022-11-20 20:54:47,281 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 [2022-11-20 20:54:47,282 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 1266 mSDsluCounter, 2560 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1268 SdHoareTripleChecker+Valid, 4012 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-20 20:54:47,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1268 Valid, 4012 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-11-20 20:54:47,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7566 states. [2022-11-20 20:54:47,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7566 to 7474. [2022-11-20 20:54:47,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7474 states, 4342 states have (on average 1.2526485490557346) internal successors, (5439), 4551 states have internal predecessors, (5439), 2314 states have call successors, (2314), 789 states have call predecessors, (2314), 782 states have return successors, (2334), 2249 states have call predecessors, (2334), 2312 states have call successors, (2334) [2022-11-20 20:54:47,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7474 states to 7474 states and 10087 transitions. [2022-11-20 20:54:47,766 INFO L78 Accepts]: Start accepts. Automaton has 7474 states and 10087 transitions. Word has length 95 [2022-11-20 20:54:47,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:54:47,766 INFO L495 AbstractCegarLoop]: Abstraction has 7474 states and 10087 transitions. [2022-11-20 20:54:47,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (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) [2022-11-20 20:54:47,767 INFO L276 IsEmpty]: Start isEmpty. Operand 7474 states and 10087 transitions. [2022-11-20 20:54:47,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-20 20:54:47,768 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:54:47,768 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-20 20:54:47,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-20 20:54:47,769 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-20 20:54:47,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:54:47,769 INFO L85 PathProgramCache]: Analyzing trace with hash 435919057, now seen corresponding path program 1 times [2022-11-20 20:54:47,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:54:47,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291160081] [2022-11-20 20:54:47,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:54:47,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:54:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:54:47,966 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2022-11-20 20:54:47,966 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:54:47,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291160081] [2022-11-20 20:54:47,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291160081] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:54:47,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:54:47,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:54:47,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93409675] [2022-11-20 20:54:47,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:54:47,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:54:47,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:54:47,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:54:47,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:54:47,970 INFO L87 Difference]: Start difference. First operand 7474 states and 10087 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-20 20:54:50,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-20 20:54:51,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:54:51,507 INFO L93 Difference]: Finished difference Result 14998 states and 20261 transitions. [2022-11-20 20:54:51,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:54:51,508 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 126 [2022-11-20 20:54:51,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:54:51,537 INFO L225 Difference]: With dead ends: 14998 [2022-11-20 20:54:51,537 INFO L226 Difference]: Without dead ends: 7556 [2022-11-20 20:54:51,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:54:51,567 INFO L413 NwaCegarLoop]: 1453 mSDtfsCounter, 1253 mSDsluCounter, 1108 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1253 SdHoareTripleChecker+Valid, 2561 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-20 20:54:51,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1253 Valid, 2561 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 351 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2022-11-20 20:54:51,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7556 states. [2022-11-20 20:54:52,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7556 to 7466. [2022-11-20 20:54:52,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7466 states, 4334 states have (on average 1.251269035532995) internal successors, (5423), 4543 states have internal predecessors, (5423), 2314 states have call successors, (2314), 789 states have call predecessors, (2314), 782 states have return successors, (2334), 2249 states have call predecessors, (2334), 2312 states have call successors, (2334) [2022-11-20 20:54:52,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7466 states to 7466 states and 10071 transitions. [2022-11-20 20:54:52,199 INFO L78 Accepts]: Start accepts. Automaton has 7466 states and 10071 transitions. Word has length 126 [2022-11-20 20:54:52,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:54:52,200 INFO L495 AbstractCegarLoop]: Abstraction has 7466 states and 10071 transitions. [2022-11-20 20:54:52,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-20 20:54:52,201 INFO L276 IsEmpty]: Start isEmpty. Operand 7466 states and 10071 transitions. [2022-11-20 20:54:52,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-20 20:54:52,202 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:54:52,203 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-20 20:54:52,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-20 20:54:52,203 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-20 20:54:52,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:54:52,204 INFO L85 PathProgramCache]: Analyzing trace with hash -476971613, now seen corresponding path program 1 times [2022-11-20 20:54:52,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:54:52,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706384734] [2022-11-20 20:54:52,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:54:52,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:54:52,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:54:52,720 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2022-11-20 20:54:52,721 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:54:52,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706384734] [2022-11-20 20:54:52,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706384734] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:54:52,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:54:52,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 20:54:52,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504671408] [2022-11-20 20:54:52,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:54:52,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 20:54:52,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:54:52,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 20:54:52,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 20:54:52,724 INFO L87 Difference]: Start difference. First operand 7466 states and 10071 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-20 20:54:56,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-20 20:54:56,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:54:56,628 INFO L93 Difference]: Finished difference Result 7490 states and 10089 transitions. [2022-11-20 20:54:56,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 20:54:56,628 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 129 [2022-11-20 20:54:56,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:54:56,653 INFO L225 Difference]: With dead ends: 7490 [2022-11-20 20:54:56,653 INFO L226 Difference]: Without dead ends: 7488 [2022-11-20 20:54:56,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 20:54:56,657 INFO L413 NwaCegarLoop]: 1160 mSDtfsCounter, 89 mSDsluCounter, 3422 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 4582 SdHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-20 20:54:56,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 4582 Invalid, 714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2022-11-20 20:54:56,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7488 states. [2022-11-20 20:54:57,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7488 to 7471. [2022-11-20 20:54:57,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7471 states, 4338 states have (on average 1.2494236975564776) internal successors, (5420), 4547 states have internal predecessors, (5420), 2312 states have call successors, (2312), 792 states have call predecessors, (2312), 785 states have return successors, (2332), 2247 states have call predecessors, (2332), 2310 states have call successors, (2332) [2022-11-20 20:54:57,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7471 states to 7471 states and 10064 transitions. [2022-11-20 20:54:57,329 INFO L78 Accepts]: Start accepts. Automaton has 7471 states and 10064 transitions. Word has length 129 [2022-11-20 20:54:57,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:54:57,330 INFO L495 AbstractCegarLoop]: Abstraction has 7471 states and 10064 transitions. [2022-11-20 20:54:57,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-20 20:54:57,330 INFO L276 IsEmpty]: Start isEmpty. Operand 7471 states and 10064 transitions. [2022-11-20 20:54:57,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-20 20:54:57,331 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:54:57,331 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:54:57,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-20 20:54:57,332 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_kernel_rcu_srcu_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 34 more)] === [2022-11-20 20:54:57,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:54:57,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1157791755, now seen corresponding path program 1 times [2022-11-20 20:54:57,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:54:57,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771985704] [2022-11-20 20:54:57,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:54:57,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:54:57,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:54:57,588 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 20:54:57,588 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:54:57,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771985704] [2022-11-20 20:54:57,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771985704] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:54:57,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:54:57,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 20:54:57,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340755898] [2022-11-20 20:54:57,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:54:57,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 20:54:57,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:54:57,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 20:54:57,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 20:54:57,593 INFO L87 Difference]: Start difference. First operand 7471 states and 10064 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (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) [2022-11-20 20:55:00,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-20 20:55:01,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:55:01,561 INFO L93 Difference]: Finished difference Result 7561 states and 10146 transitions. [2022-11-20 20:55:01,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 20:55:01,562 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (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 [2022-11-20 20:55:01,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:55:01,595 INFO L225 Difference]: With dead ends: 7561 [2022-11-20 20:55:01,596 INFO L226 Difference]: Without dead ends: 7559 [2022-11-20 20:55:01,601 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 [2022-11-20 20:55:01,602 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 1258 mSDsluCounter, 2560 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1260 SdHoareTripleChecker+Valid, 4012 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-20 20:55:01,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1260 Valid, 4012 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-11-20 20:55:01,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7559 states. [2022-11-20 20:55:02,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7559 to 7477. [2022-11-20 20:55:02,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7477 states, 4341 states have (on average 1.24925132457959) internal successors, (5423), 4550 states have internal predecessors, (5423), 2314 states have call successors, (2314), 793 states have call predecessors, (2314), 786 states have return successors, (2334), 2249 states have call predecessors, (2334), 2312 states have call successors, (2334) [2022-11-20 20:55:02,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7477 states to 7477 states and 10071 transitions. [2022-11-20 20:55:02,097 INFO L78 Accepts]: Start accepts. Automaton has 7477 states and 10071 transitions. Word has length 100 [2022-11-20 20:55:02,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:55:02,098 INFO L495 AbstractCegarLoop]: Abstraction has 7477 states and 10071 transitions. [2022-11-20 20:55:02,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (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) [2022-11-20 20:55:02,099 INFO L276 IsEmpty]: Start isEmpty. Operand 7477 states and 10071 transitions. [2022-11-20 20:55:02,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-20 20:55:02,100 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:55:02,100 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:55:02,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-20 20:55:02,101 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_lib_idr_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 34 more)] === [2022-11-20 20:55:02,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:55:02,101 INFO L85 PathProgramCache]: Analyzing trace with hash -929126191, now seen corresponding path program 1 times [2022-11-20 20:55:02,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:55:02,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937766277] [2022-11-20 20:55:02,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:55:02,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:55:02,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:55:02,324 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 20:55:02,324 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:55:02,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937766277] [2022-11-20 20:55:02,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937766277] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:55:02,324 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:55:02,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 20:55:02,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460546207] [2022-11-20 20:55:02,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:55:02,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 20:55:02,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:55:02,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 20:55:02,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 20:55:02,326 INFO L87 Difference]: Start difference. First operand 7477 states and 10071 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (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) [2022-11-20 20:55:05,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-20 20:55:06,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:55:06,249 INFO L93 Difference]: Finished difference Result 9272 states and 12389 transitions. [2022-11-20 20:55:06,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 20:55:06,252 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (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 [2022-11-20 20:55:06,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:55:06,287 INFO L225 Difference]: With dead ends: 9272 [2022-11-20 20:55:06,287 INFO L226 Difference]: Without dead ends: 9270 [2022-11-20 20:55:06,292 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 [2022-11-20 20:55:06,293 INFO L413 NwaCegarLoop]: 1492 mSDtfsCounter, 1209 mSDsluCounter, 2565 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1211 SdHoareTripleChecker+Valid, 4057 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-20 20:55:06,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1211 Valid, 4057 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 547 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-11-20 20:55:06,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9270 states. [2022-11-20 20:55:06,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9270 to 9153. [2022-11-20 20:55:06,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9153 states, 5338 states have (on average 1.247658298988385) internal successors, (6660), 5584 states have internal predecessors, (6660), 2798 states have call successors, (2798), 989 states have call predecessors, (2798), 981 states have return successors, (2827), 2719 states have call predecessors, (2827), 2796 states have call successors, (2827) [2022-11-20 20:55:07,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9153 states to 9153 states and 12285 transitions. [2022-11-20 20:55:07,002 INFO L78 Accepts]: Start accepts. Automaton has 9153 states and 12285 transitions. Word has length 105 [2022-11-20 20:55:07,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:55:07,002 INFO L495 AbstractCegarLoop]: Abstraction has 9153 states and 12285 transitions. [2022-11-20 20:55:07,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (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) [2022-11-20 20:55:07,003 INFO L276 IsEmpty]: Start isEmpty. Operand 9153 states and 12285 transitions. [2022-11-20 20:55:07,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-20 20:55:07,010 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:55:07,010 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:55:07,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-20 20:55:07,010 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_mmc_sdio_func_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 34 more)] === [2022-11-20 20:55:07,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:55:07,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1128860326, now seen corresponding path program 1 times [2022-11-20 20:55:07,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:55:07,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35974954] [2022-11-20 20:55:07,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:55:07,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:55:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:55:07,427 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 20:55:07,427 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:55:07,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35974954] [2022-11-20 20:55:07,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35974954] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:55:07,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:55:07,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 20:55:07,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103916781] [2022-11-20 20:55:07,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:55:07,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 20:55:07,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:55:07,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 20:55:07,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 20:55:07,429 INFO L87 Difference]: Start difference. First operand 9153 states and 12285 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (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) [2022-11-20 20:55:10,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-20 20:55:11,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:55:11,409 INFO L93 Difference]: Finished difference Result 9259 states and 12381 transitions. [2022-11-20 20:55:11,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 20:55:11,410 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (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 [2022-11-20 20:55:11,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:55:11,436 INFO L225 Difference]: With dead ends: 9259 [2022-11-20 20:55:11,437 INFO L226 Difference]: Without dead ends: 9257 [2022-11-20 20:55:11,440 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 [2022-11-20 20:55:11,441 INFO L413 NwaCegarLoop]: 1468 mSDtfsCounter, 1254 mSDsluCounter, 2576 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1256 SdHoareTripleChecker+Valid, 4044 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-20 20:55:11,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1256 Valid, 4044 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 531 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-11-20 20:55:11,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9257 states. [2022-11-20 20:55:12,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9257 to 9193. [2022-11-20 20:55:12,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9193 states, 5362 states have (on average 1.2474822827303245) internal successors, (6689), 5608 states have internal predecessors, (6689), 2806 states have call successors, (2806), 997 states have call predecessors, (2806), 989 states have return successors, (2835), 2727 states have call predecessors, (2835), 2804 states have call successors, (2835) [2022-11-20 20:55:12,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9193 states to 9193 states and 12330 transitions. [2022-11-20 20:55:12,094 INFO L78 Accepts]: Start accepts. Automaton has 9193 states and 12330 transitions. Word has length 110 [2022-11-20 20:55:12,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:55:12,094 INFO L495 AbstractCegarLoop]: Abstraction has 9193 states and 12330 transitions. [2022-11-20 20:55:12,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (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) [2022-11-20 20:55:12,095 INFO L276 IsEmpty]: Start isEmpty. Operand 9193 states and 12330 transitions. [2022-11-20 20:55:12,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-20 20:55:12,097 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:55:12,097 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:55:12,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-20 20:55:12,097 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_net_rtnetlink_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 34 more)] === [2022-11-20 20:55:12,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:55:12,098 INFO L85 PathProgramCache]: Analyzing trace with hash -270282137, now seen corresponding path program 1 times [2022-11-20 20:55:12,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:55:12,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069547830] [2022-11-20 20:55:12,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:55:12,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:55:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:55:12,292 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 20:55:12,292 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:55:12,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069547830] [2022-11-20 20:55:12,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069547830] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:55:12,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:55:12,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 20:55:12,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41439157] [2022-11-20 20:55:12,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:55:12,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 20:55:12,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:55:12,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 20:55:12,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 20:55:12,295 INFO L87 Difference]: Start difference. First operand 9193 states and 12330 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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) [2022-11-20 20:55:15,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-20 20:55:16,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:55:16,530 INFO L93 Difference]: Finished difference Result 9257 states and 12378 transitions. [2022-11-20 20:55:16,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 20:55:16,531 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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 [2022-11-20 20:55:16,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:55:16,565 INFO L225 Difference]: With dead ends: 9257 [2022-11-20 20:55:16,565 INFO L226 Difference]: Without dead ends: 9255 [2022-11-20 20:55:16,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 20:55:16,573 INFO L413 NwaCegarLoop]: 1468 mSDtfsCounter, 1251 mSDsluCounter, 2576 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1253 SdHoareTripleChecker+Valid, 4044 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-20 20:55:16,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1253 Valid, 4044 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 531 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-11-20 20:55:16,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9255 states. [2022-11-20 20:55:17,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9255 to 9198. [2022-11-20 20:55:17,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9198 states, 5365 states have (on average 1.2471575023299162) internal successors, (6691), 5611 states have internal predecessors, (6691), 2807 states have call successors, (2807), 998 states have call predecessors, (2807), 990 states have return successors, (2836), 2728 states have call predecessors, (2836), 2805 states have call successors, (2836) [2022-11-20 20:55:17,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9198 states to 9198 states and 12334 transitions. [2022-11-20 20:55:17,362 INFO L78 Accepts]: Start accepts. Automaton has 9198 states and 12334 transitions. Word has length 115 [2022-11-20 20:55:17,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:55:17,363 INFO L495 AbstractCegarLoop]: Abstraction has 9198 states and 12334 transitions. [2022-11-20 20:55:17,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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) [2022-11-20 20:55:17,363 INFO L276 IsEmpty]: Start isEmpty. Operand 9198 states and 12334 transitions. [2022-11-20 20:55:17,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-20 20:55:17,365 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:55:17,365 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:55:17,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-20 20:55:17,365 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_net_sock_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 34 more)] === [2022-11-20 20:55:17,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:55:17,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1160499627, now seen corresponding path program 1 times [2022-11-20 20:55:17,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:55:17,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242295790] [2022-11-20 20:55:17,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:55:17,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:55:17,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:55:17,567 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 20:55:17,568 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:55:17,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242295790] [2022-11-20 20:55:17,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242295790] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:55:17,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:55:17,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 20:55:17,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252932541] [2022-11-20 20:55:17,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:55:17,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 20:55:17,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:55:17,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 20:55:17,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 20:55:17,570 INFO L87 Difference]: Start difference. First operand 9198 states and 12334 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-20 20:55:20,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-20 20:55:21,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:55:21,539 INFO L93 Difference]: Finished difference Result 9255 states and 12375 transitions. [2022-11-20 20:55:21,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 20:55:21,539 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 120 [2022-11-20 20:55:21,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:55:21,562 INFO L225 Difference]: With dead ends: 9255 [2022-11-20 20:55:21,563 INFO L226 Difference]: Without dead ends: 9253 [2022-11-20 20:55:21,566 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 [2022-11-20 20:55:21,567 INFO L413 NwaCegarLoop]: 1468 mSDtfsCounter, 1248 mSDsluCounter, 2576 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1250 SdHoareTripleChecker+Valid, 4044 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-20 20:55:21,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1250 Valid, 4044 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 531 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-11-20 20:55:21,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9253 states. [2022-11-20 20:55:22,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9253 to 9203. [2022-11-20 20:55:22,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9203 states, 5368 states have (on average 1.246833084947839) internal successors, (6693), 5614 states have internal predecessors, (6693), 2808 states have call successors, (2808), 999 states have call predecessors, (2808), 991 states have return successors, (2837), 2729 states have call predecessors, (2837), 2806 states have call successors, (2837) [2022-11-20 20:55:22,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9203 states to 9203 states and 12338 transitions. [2022-11-20 20:55:22,252 INFO L78 Accepts]: Start accepts. Automaton has 9203 states and 12338 transitions. Word has length 120 [2022-11-20 20:55:22,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:55:22,252 INFO L495 AbstractCegarLoop]: Abstraction has 9203 states and 12338 transitions. [2022-11-20 20:55:22,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-20 20:55:22,252 INFO L276 IsEmpty]: Start isEmpty. Operand 9203 states and 12338 transitions. [2022-11-20 20:55:22,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-11-20 20:55:22,253 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:55:22,253 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:55:22,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-20 20:55:22,253 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_usb_coherent_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 34 more)] === [2022-11-20 20:55:22,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:55:22,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1312275688, now seen corresponding path program 1 times [2022-11-20 20:55:22,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:55:22,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703868684] [2022-11-20 20:55:22,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:55:22,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:55:22,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:55:22,459 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 20:55:22,460 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:55:22,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703868684] [2022-11-20 20:55:22,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703868684] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:55:22,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:55:22,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 20:55:22,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322429225] [2022-11-20 20:55:22,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:55:22,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 20:55:22,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:55:22,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 20:55:22,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 20:55:22,462 INFO L87 Difference]: Start difference. First operand 9203 states and 12338 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-20 20:55:25,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-20 20:55:26,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:55:26,546 INFO L93 Difference]: Finished difference Result 9253 states and 12372 transitions. [2022-11-20 20:55:26,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 20:55:26,546 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 125 [2022-11-20 20:55:26,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:55:26,579 INFO L225 Difference]: With dead ends: 9253 [2022-11-20 20:55:26,579 INFO L226 Difference]: Without dead ends: 9251 [2022-11-20 20:55:26,586 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 [2022-11-20 20:55:26,586 INFO L413 NwaCegarLoop]: 1468 mSDtfsCounter, 1245 mSDsluCounter, 2576 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1247 SdHoareTripleChecker+Valid, 4044 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-20 20:55:26,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1247 Valid, 4044 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 531 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-11-20 20:55:26,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9251 states. [2022-11-20 20:55:27,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9251 to 9208. [2022-11-20 20:55:27,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9208 states, 5371 states have (on average 1.246509029975796) internal successors, (6695), 5617 states have internal predecessors, (6695), 2809 states have call successors, (2809), 1000 states have call predecessors, (2809), 992 states have return successors, (2838), 2730 states have call predecessors, (2838), 2807 states have call successors, (2838) [2022-11-20 20:55:27,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9208 states to 9208 states and 12342 transitions. [2022-11-20 20:55:27,325 INFO L78 Accepts]: Start accepts. Automaton has 9208 states and 12342 transitions. Word has length 125 [2022-11-20 20:55:27,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:55:27,326 INFO L495 AbstractCegarLoop]: Abstraction has 9208 states and 12342 transitions. [2022-11-20 20:55:27,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-20 20:55:27,326 INFO L276 IsEmpty]: Start isEmpty. Operand 9208 states and 12342 transitions. [2022-11-20 20:55:27,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-11-20 20:55:27,328 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:55:27,329 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-20 20:55:27,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-20 20:55:27,329 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-20 20:55:27,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:55:27,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1832114522, now seen corresponding path program 1 times [2022-11-20 20:55:27,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:55:27,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032117434] [2022-11-20 20:55:27,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:55:27,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:55:27,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:55:28,746 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 4 proven. 46 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2022-11-20 20:55:28,746 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:55:28,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032117434] [2022-11-20 20:55:28,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032117434] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:55:28,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553321726] [2022-11-20 20:55:28,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:55:28,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:55:28,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:55:28,754 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:55:28,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0437bdde-5622-4cff-a492-0d1030aa96a6/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 20:55:29,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:55:29,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 1891 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-20 20:55:29,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:55:29,856 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 164 proven. 2 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2022-11-20 20:55:29,856 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 20:55:30,401 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 4 proven. 42 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2022-11-20 20:55:30,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [553321726] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 20:55:30,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1266305219] [2022-11-20 20:55:30,427 INFO L159 IcfgInterpreter]: Started Sifa with 75 locations of interest [2022-11-20 20:55:30,427 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 20:55:30,432 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 20:55:30,437 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 20:55:30,438 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 20:55:32,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-20 20:55:32,585 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-20 20:55:32,841 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-20 20:55:32,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-20 20:56:03,023 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 [2022-11-20 20:56:03,031 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 [2022-11-20 20:56:14,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:14,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:14,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:14,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:14,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:14,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:14,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:14,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:14,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:14,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:14,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:14,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:14,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:14,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:14,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:14,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:14,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:14,619 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:56:14,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:14,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:14,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:14,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:14,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:14,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:14,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:14,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:14,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:14,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:14,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:14,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:14,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:14,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:14,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:14,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:14,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:14,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:14,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:14,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:14,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:14,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:14,675 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:56:14,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:14,679 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:56:14,976 INFO L321 Elim1Store]: treesize reduction 44, result has 37.1 percent of original size [2022-11-20 20:56:14,978 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 53 select indices, 53 select index equivalence classes, 374 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 3 case distinctions, treesize of input 4363 treesize of output 4210 [2022-11-20 20:56:15,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:15,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:15,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:15,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:15,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:15,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:15,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:15,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:15,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:15,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:15,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:15,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:15,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:15,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:15,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:15,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:15,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:15,683 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:56:15,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:15,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:15,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:15,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:15,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:15,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:15,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:15,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:15,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:15,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:15,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:15,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:15,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:15,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:15,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:15,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:15,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:15,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:15,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:15,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:15,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:15,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:15,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:56:15,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:15,742 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:56:16,073 INFO L321 Elim1Store]: treesize reduction 36, result has 48.6 percent of original size [2022-11-20 20:56:16,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 53 select indices, 53 select index equivalence classes, 374 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 3 case distinctions, treesize of input 4355 treesize of output 4210 [2022-11-20 20:56:16,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:56:16,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:16,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:17,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:17,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:17,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:17,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:17,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:56:17,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:17,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:17,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:17,021 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:56:17,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:56:17,026 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:56:17,506 INFO L321 Elim1Store]: treesize reduction 96, result has 41.1 percent of original size [2022-11-20 20:56:17,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 80 select indices, 80 select index equivalence classes, 775 disjoint index pairs (out of 3160 index pairs), introduced 80 new quantified variables, introduced 6 case distinctions, treesize of input 4335 treesize of output 4132 [2022-11-20 20:56:18,054 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-20 20:56:18,055 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 4283 treesize of output 4281 [2022-11-20 20:56:18,611 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-20 20:56:18,613 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 4278 treesize of output 4278 [2022-11-20 21:00:50,262 WARN L233 SmtUtils]: Spent 9.30s on a formula simplification that was a NOOP. DAG size: 1055 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:02:44,697 WARN L233 SmtUtils]: Spent 5.17s on a formula simplification that was a NOOP. DAG size: 1047 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 21:05:08,166 WARN L233 SmtUtils]: Spent 19.48s on a formula simplification. DAG size of input: 1157 DAG size of output: 1157 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)