./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--block--virtio_blk.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cc21d3f2365aa3e9759266a2897b17abd63f704e2f2c46d2220f73d4b814d4db --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:15:06,020 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:15:06,023 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:15:06,067 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:15:06,067 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:15:06,069 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:15:06,071 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:15:06,074 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:15:06,077 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:15:06,078 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:15:06,080 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:15:06,081 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:15:06,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:15:06,084 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:15:06,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:15:06,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:15:06,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:15:06,090 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:15:06,093 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:15:06,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:15:06,099 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:15:06,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:15:06,103 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:15:06,104 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:15:06,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:15:06,109 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:15:06,110 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:15:06,112 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:15:06,112 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:15:06,114 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:15:06,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:15:06,117 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:15:06,118 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:15:06,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:15:06,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:15:06,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:15:06,126 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:15:06,126 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:15:06,127 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:15:06,129 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:15:06,129 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:15:06,131 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 18:15:06,160 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:15:06,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:15:06,161 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:15:06,161 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:15:06,162 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:15:06,162 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:15:06,162 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:15:06,162 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:15:06,163 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:15:06,163 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:15:06,163 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:15:06,163 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:15:06,164 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:15:06,164 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:15:06,164 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:15:06,164 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:15:06,165 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:15:06,165 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:15:06,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:15:06,166 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:15:06,166 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:15:06,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:15:06,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:15:06,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:15:06,167 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:15:06,168 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:15:06,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:15:06,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:15:06,168 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:15:06,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:15:06,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:15:06,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:15:06,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:15:06,170 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:15:06,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:15:06,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:15:06,171 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:15:06,171 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:15:06,171 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc21d3f2365aa3e9759266a2897b17abd63f704e2f2c46d2220f73d4b814d4db [2021-11-25 18:15:06,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:15:06,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:15:06,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:15:06,490 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:15:06,491 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:15:06,492 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i [2021-11-25 18:15:06,561 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/data/a00e33b7f/53d10c04d8bb4787b4505ac11ea2b5be/FLAGa21326fc9 [2021-11-25 18:15:07,507 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:15:07,508 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i [2021-11-25 18:15:07,574 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/data/a00e33b7f/53d10c04d8bb4787b4505ac11ea2b5be/FLAGa21326fc9 [2021-11-25 18:15:07,941 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/data/a00e33b7f/53d10c04d8bb4787b4505ac11ea2b5be [2021-11-25 18:15:07,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:15:07,945 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:15:07,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:15:07,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:15:07,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:15:07,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:15:07" (1/1) ... [2021-11-25 18:15:07,953 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29f25ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:15:07, skipping insertion in model container [2021-11-25 18:15:07,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:15:07" (1/1) ... [2021-11-25 18:15:07,961 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:15:08,138 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:15:11,525 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[300556,300569] [2021-11-25 18:15:11,528 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[300701,300714] [2021-11-25 18:15:11,528 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[300847,300860] [2021-11-25 18:15:11,529 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301012,301025] [2021-11-25 18:15:11,530 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301170,301183] [2021-11-25 18:15:11,530 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301328,301341] [2021-11-25 18:15:11,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301486,301499] [2021-11-25 18:15:11,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301646,301659] [2021-11-25 18:15:11,532 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301805,301818] [2021-11-25 18:15:11,532 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301944,301957] [2021-11-25 18:15:11,533 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302086,302099] [2021-11-25 18:15:11,534 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302235,302248] [2021-11-25 18:15:11,534 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302374,302387] [2021-11-25 18:15:11,535 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302529,302542] [2021-11-25 18:15:11,535 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302689,302702] [2021-11-25 18:15:11,536 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302840,302853] [2021-11-25 18:15:11,537 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302991,303004] [2021-11-25 18:15:11,537 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303143,303156] [2021-11-25 18:15:11,539 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303292,303305] [2021-11-25 18:15:11,542 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303440,303453] [2021-11-25 18:15:11,542 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303597,303610] [2021-11-25 18:15:11,543 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303746,303759] [2021-11-25 18:15:11,544 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303902,303915] [2021-11-25 18:15:11,546 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304055,304068] [2021-11-25 18:15:11,546 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304201,304214] [2021-11-25 18:15:11,547 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304344,304357] [2021-11-25 18:15:11,547 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304496,304509] [2021-11-25 18:15:11,556 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304642,304655] [2021-11-25 18:15:11,558 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304787,304800] [2021-11-25 18:15:11,560 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304941,304954] [2021-11-25 18:15:11,562 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305092,305105] [2021-11-25 18:15:11,563 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305247,305260] [2021-11-25 18:15:11,564 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305399,305412] [2021-11-25 18:15:11,565 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305554,305567] [2021-11-25 18:15:11,565 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305718,305731] [2021-11-25 18:15:11,567 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305874,305887] [2021-11-25 18:15:11,568 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306038,306051] [2021-11-25 18:15:11,568 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306180,306193] [2021-11-25 18:15:11,569 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306338,306351] [2021-11-25 18:15:11,569 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306505,306518] [2021-11-25 18:15:11,570 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306664,306677] [2021-11-25 18:15:11,570 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306823,306836] [2021-11-25 18:15:11,571 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306972,306985] [2021-11-25 18:15:11,571 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307119,307132] [2021-11-25 18:15:11,572 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307258,307271] [2021-11-25 18:15:11,572 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307421,307434] [2021-11-25 18:15:11,573 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307587,307600] [2021-11-25 18:15:11,575 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307751,307764] [2021-11-25 18:15:11,575 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307916,307929] [2021-11-25 18:15:11,576 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308081,308094] [2021-11-25 18:15:11,577 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308247,308260] [2021-11-25 18:15:11,577 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308412,308425] [2021-11-25 18:15:11,577 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308579,308592] [2021-11-25 18:15:11,579 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308739,308752] [2021-11-25 18:15:11,579 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308901,308914] [2021-11-25 18:15:11,580 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309060,309073] [2021-11-25 18:15:11,581 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309206,309219] [2021-11-25 18:15:11,581 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309349,309362] [2021-11-25 18:15:11,582 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309493,309506] [2021-11-25 18:15:11,582 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309636,309649] [2021-11-25 18:15:11,583 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309780,309793] [2021-11-25 18:15:11,584 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309921,309934] [2021-11-25 18:15:11,584 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310059,310072] [2021-11-25 18:15:11,585 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310217,310230] [2021-11-25 18:15:11,586 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310376,310389] [2021-11-25 18:15:11,586 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310532,310545] [2021-11-25 18:15:11,587 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310681,310694] [2021-11-25 18:15:11,587 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310833,310846] [2021-11-25 18:15:11,588 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310984,310997] [2021-11-25 18:15:11,588 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311133,311146] [2021-11-25 18:15:11,589 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311285,311298] [2021-11-25 18:15:11,590 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311433,311446] [2021-11-25 18:15:11,591 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311586,311599] [2021-11-25 18:15:11,591 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311737,311750] [2021-11-25 18:15:11,592 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311887,311900] [2021-11-25 18:15:11,592 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312034,312047] [2021-11-25 18:15:11,593 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312185,312198] [2021-11-25 18:15:11,593 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312336,312349] [2021-11-25 18:15:11,594 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312484,312497] [2021-11-25 18:15:11,594 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312650,312663] [2021-11-25 18:15:11,595 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312819,312832] [2021-11-25 18:15:11,595 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312986,312999] [2021-11-25 18:15:11,596 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313154,313167] [2021-11-25 18:15:11,596 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313304,313317] [2021-11-25 18:15:11,597 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313451,313464] [2021-11-25 18:15:11,599 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313612,313625] [2021-11-25 18:15:11,599 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313782,313795] [2021-11-25 18:15:11,600 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313944,313957] [2021-11-25 18:15:11,614 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:15:11,663 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:15:12,073 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[300556,300569] [2021-11-25 18:15:12,074 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[300701,300714] [2021-11-25 18:15:12,075 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[300847,300860] [2021-11-25 18:15:12,075 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301012,301025] [2021-11-25 18:15:12,075 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301170,301183] [2021-11-25 18:15:12,076 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301328,301341] [2021-11-25 18:15:12,076 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301486,301499] [2021-11-25 18:15:12,077 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301646,301659] [2021-11-25 18:15:12,077 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301805,301818] [2021-11-25 18:15:12,077 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[301944,301957] [2021-11-25 18:15:12,079 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302086,302099] [2021-11-25 18:15:12,079 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302235,302248] [2021-11-25 18:15:12,079 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302374,302387] [2021-11-25 18:15:12,080 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302529,302542] [2021-11-25 18:15:12,080 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302689,302702] [2021-11-25 18:15:12,081 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302840,302853] [2021-11-25 18:15:12,081 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[302991,303004] [2021-11-25 18:15:12,081 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303143,303156] [2021-11-25 18:15:12,082 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303292,303305] [2021-11-25 18:15:12,082 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303440,303453] [2021-11-25 18:15:12,083 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303597,303610] [2021-11-25 18:15:12,083 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303746,303759] [2021-11-25 18:15:12,084 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[303902,303915] [2021-11-25 18:15:12,085 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304055,304068] [2021-11-25 18:15:12,085 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304201,304214] [2021-11-25 18:15:12,086 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304344,304357] [2021-11-25 18:15:12,086 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304496,304509] [2021-11-25 18:15:12,087 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304642,304655] [2021-11-25 18:15:12,087 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304787,304800] [2021-11-25 18:15:12,088 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[304941,304954] [2021-11-25 18:15:12,088 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305092,305105] [2021-11-25 18:15:12,089 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305247,305260] [2021-11-25 18:15:12,089 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305399,305412] [2021-11-25 18:15:12,090 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305554,305567] [2021-11-25 18:15:12,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305718,305731] [2021-11-25 18:15:12,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[305874,305887] [2021-11-25 18:15:12,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306038,306051] [2021-11-25 18:15:12,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306180,306193] [2021-11-25 18:15:12,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306338,306351] [2021-11-25 18:15:12,094 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306505,306518] [2021-11-25 18:15:12,095 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306664,306677] [2021-11-25 18:15:12,096 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306823,306836] [2021-11-25 18:15:12,096 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[306972,306985] [2021-11-25 18:15:12,096 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307119,307132] [2021-11-25 18:15:12,097 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307258,307271] [2021-11-25 18:15:12,097 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307421,307434] [2021-11-25 18:15:12,098 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307587,307600] [2021-11-25 18:15:12,098 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307751,307764] [2021-11-25 18:15:12,099 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[307916,307929] [2021-11-25 18:15:12,099 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308081,308094] [2021-11-25 18:15:12,100 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308247,308260] [2021-11-25 18:15:12,100 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308412,308425] [2021-11-25 18:15:12,100 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308579,308592] [2021-11-25 18:15:12,101 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308739,308752] [2021-11-25 18:15:12,102 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[308901,308914] [2021-11-25 18:15:12,103 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309060,309073] [2021-11-25 18:15:12,106 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309206,309219] [2021-11-25 18:15:12,108 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309349,309362] [2021-11-25 18:15:12,108 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309493,309506] [2021-11-25 18:15:12,109 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309636,309649] [2021-11-25 18:15:12,110 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309780,309793] [2021-11-25 18:15:12,111 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[309921,309934] [2021-11-25 18:15:12,116 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310059,310072] [2021-11-25 18:15:12,117 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310217,310230] [2021-11-25 18:15:12,118 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310376,310389] [2021-11-25 18:15:12,122 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310532,310545] [2021-11-25 18:15:12,123 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310681,310694] [2021-11-25 18:15:12,123 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310833,310846] [2021-11-25 18:15:12,124 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[310984,310997] [2021-11-25 18:15:12,124 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311133,311146] [2021-11-25 18:15:12,125 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311285,311298] [2021-11-25 18:15:12,126 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311433,311446] [2021-11-25 18:15:12,127 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311586,311599] [2021-11-25 18:15:12,127 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311737,311750] [2021-11-25 18:15:12,128 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[311887,311900] [2021-11-25 18:15:12,128 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312034,312047] [2021-11-25 18:15:12,129 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312185,312198] [2021-11-25 18:15:12,129 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312336,312349] [2021-11-25 18:15:12,131 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312484,312497] [2021-11-25 18:15:12,136 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312650,312663] [2021-11-25 18:15:12,136 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312819,312832] [2021-11-25 18:15:12,137 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[312986,312999] [2021-11-25 18:15:12,138 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313154,313167] [2021-11-25 18:15:12,139 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313304,313317] [2021-11-25 18:15:12,139 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313451,313464] [2021-11-25 18:15:12,140 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313612,313625] [2021-11-25 18:15:12,141 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313782,313795] [2021-11-25 18:15:12,141 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i[313944,313957] [2021-11-25 18:15:12,147 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:15:12,397 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:15:12,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:15:12 WrapperNode [2021-11-25 18:15:12,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:15:12,399 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:15:12,399 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:15:12,399 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:15:12,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:15:12" (1/1) ... [2021-11-25 18:15:12,536 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:15:12" (1/1) ... [2021-11-25 18:15:12,738 INFO L137 Inliner]: procedures = 554, calls = 1441, calls flagged for inlining = 247, calls inlined = 157, statements flattened = 3174 [2021-11-25 18:15:12,739 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:15:12,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:15:12,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:15:12,740 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:15:12,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:15:12" (1/1) ... [2021-11-25 18:15:12,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:15:12" (1/1) ... [2021-11-25 18:15:12,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:15:12" (1/1) ... [2021-11-25 18:15:12,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:15:12" (1/1) ... [2021-11-25 18:15:12,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:15:12" (1/1) ... [2021-11-25 18:15:12,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:15:12" (1/1) ... [2021-11-25 18:15:12,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:15:12" (1/1) ... [2021-11-25 18:15:12,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:15:12,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:15:12,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:15:12,948 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:15:12,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:15:12" (1/1) ... [2021-11-25 18:15:12,956 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:15:12,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:15:13,044 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:15:13,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:15:13,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2021-11-25 18:15:13,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2021-11-25 18:15:13,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-25 18:15:13,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-25 18:15:13,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 18:15:13,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 18:15:13,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-25 18:15:13,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-25 18:15:13,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_del_gendisk [2021-11-25 18:15:13,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_del_gendisk [2021-11-25 18:15:13,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-25 18:15:13,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-25 18:15:13,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-25 18:15:13,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-25 18:15:13,101 INFO L130 BoogieDeclarations]: Found specification of procedure init_vq [2021-11-25 18:15:13,101 INFO L138 BoogieDeclarations]: Found implementation of procedure init_vq [2021-11-25 18:15:13,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-25 18:15:13,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-25 18:15:13,102 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_config_changed [2021-11-25 18:15:13,102 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_config_changed [2021-11-25 18:15:13,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-25 18:15:13,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-25 18:15:13,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 18:15:13,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 18:15:13,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-25 18:15:13,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-25 18:15:13,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:15:13,104 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_get_cache_mode [2021-11-25 18:15:13,104 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_get_cache_mode [2021-11-25 18:15:13,104 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-25 18:15:13,104 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-25 18:15:13,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-25 18:15:13,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-25 18:15:13,105 INFO L130 BoogieDeclarations]: Found specification of procedure string_get_size [2021-11-25 18:15:13,106 INFO L138 BoogieDeclarations]: Found implementation of procedure string_get_size [2021-11-25 18:15:13,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 18:15:13,106 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_tag_set [2021-11-25 18:15:13,106 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_tag_set [2021-11-25 18:15:13,106 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_update_cache_mode [2021-11-25 18:15:13,107 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_update_cache_mode [2021-11-25 18:15:13,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 18:15:13,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_blk_cleanup_queue [2021-11-25 18:15:13,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_blk_cleanup_queue [2021-11-25 18:15:13,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-25 18:15:13,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-25 18:15:13,108 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2021-11-25 18:15:13,108 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2021-11-25 18:15:13,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-25 18:15:13,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-25 18:15:13,109 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_flush [2021-11-25 18:15:13,109 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_flush [2021-11-25 18:15:13,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-25 18:15:13,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-25 18:15:13,110 INFO L130 BoogieDeclarations]: Found specification of procedure ida_simple_remove [2021-11-25 18:15:13,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ida_simple_remove [2021-11-25 18:15:13,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:15:13,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-25 18:15:13,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-25 18:15:13,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-25 18:15:13,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-25 18:15:13,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-25 18:15:13,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-25 18:15:13,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-25 18:15:13,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-25 18:15:13,113 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2021-11-25 18:15:13,117 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2021-11-25 18:15:13,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-25 18:15:13,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-25 18:15:13,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-25 18:15:13,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-25 18:15:13,118 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_cread8 [2021-11-25 18:15:13,118 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_cread8 [2021-11-25 18:15:13,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:15:13,118 INFO L130 BoogieDeclarations]: Found specification of procedure revalidate_disk [2021-11-25 18:15:13,118 INFO L138 BoogieDeclarations]: Found implementation of procedure revalidate_disk [2021-11-25 18:15:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:15:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 18:15:13,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 18:15:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:15:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2021-11-25 18:15:13,124 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2021-11-25 18:15:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 18:15:13,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 18:15:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_remove [2021-11-25 18:15:13,124 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_remove [2021-11-25 18:15:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_cache_type_store [2021-11-25 18:15:13,125 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_cache_type_store [2021-11-25 18:15:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2021-11-25 18:15:13,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2021-11-25 18:15:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-25 18:15:13,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-25 18:15:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:15:13,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:15:13,126 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-25 18:15:13,126 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-25 18:15:13,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 18:15:13,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 18:15:13,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 18:15:13,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 18:15:13,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-25 18:15:13,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-25 18:15:13,127 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_cread32 [2021-11-25 18:15:13,127 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_cread32 [2021-11-25 18:15:13,127 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2021-11-25 18:15:13,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2021-11-25 18:15:13,128 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-11-25 18:15:13,128 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-11-25 18:15:13,128 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2021-11-25 18:15:13,128 INFO L138 BoogieDeclarations]: Found implementation of procedure del_gendisk [2021-11-25 18:15:13,128 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-11-25 18:15:13,129 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-11-25 18:15:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2021-11-25 18:15:13,129 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2021-11-25 18:15:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_cread16 [2021-11-25 18:15:13,129 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_cread16 [2021-11-25 18:15:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-25 18:15:13,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-25 18:15:13,130 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2021-11-25 18:15:13,130 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2021-11-25 18:15:13,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-25 18:15:13,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-25 18:15:13,131 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_cread64 [2021-11-25 18:15:13,131 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_cread64 [2021-11-25 18:15:13,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:15:13,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-25 18:15:13,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-25 18:15:13,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_block_request__double_get [2021-11-25 18:15:13,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_block_request__double_get [2021-11-25 18:15:13,132 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_rq_to_pdu [2021-11-25 18:15:13,133 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_rq_to_pdu [2021-11-25 18:15:13,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:15:13,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 18:15:13,133 INFO L130 BoogieDeclarations]: Found specification of procedure virtio32_to_cpu [2021-11-25 18:15:13,133 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio32_to_cpu [2021-11-25 18:15:13,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-25 18:15:13,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-25 18:15:13,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-25 18:15:13,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-25 18:15:13,134 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_start_stopped_hw_queues [2021-11-25 18:15:13,134 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_start_stopped_hw_queues [2021-11-25 18:15:13,134 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segment_size [2021-11-25 18:15:13,135 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segment_size [2021-11-25 18:15:13,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-25 18:15:13,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-25 18:15:13,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-25 18:15:13,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-25 18:15:13,135 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-25 18:15:13,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-25 18:15:13,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-25 18:15:13,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-25 18:15:13,136 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 18:15:13,136 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 18:15:13,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:15:13,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-25 18:15:13,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-25 18:15:13,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 18:15:13,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 18:15:13,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_virtio_blk_vq [2021-11-25 18:15:13,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_virtio_blk_vq [2021-11-25 18:15:13,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-25 18:15:13,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-25 18:15:13,138 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-25 18:15:13,138 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-25 18:15:13,138 INFO L130 BoogieDeclarations]: Found specification of procedure queue_logical_block_size [2021-11-25 18:15:13,138 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_logical_block_size [2021-11-25 18:15:13,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-25 18:15:13,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-25 18:15:13,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-25 18:15:13,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-25 18:15:13,139 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2021-11-25 18:15:13,139 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2021-11-25 18:15:13,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_put_disk [2021-11-25 18:15:13,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_put_disk [2021-11-25 18:15:13,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:15:13,140 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_device_ready [2021-11-25 18:15:13,140 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_device_ready [2021-11-25 18:15:13,864 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:15:13,867 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:15:14,425 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 18:15:16,124 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:15:16,589 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:15:16,589 INFO L301 CfgBuilder]: Removed 14 assume(true) statements. [2021-11-25 18:15:16,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:15:16 BoogieIcfgContainer [2021-11-25 18:15:16,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:15:16,598 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:15:16,598 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:15:16,602 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:15:16,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:15:07" (1/3) ... [2021-11-25 18:15:16,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19df4116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:15:16, skipping insertion in model container [2021-11-25 18:15:16,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:15:12" (2/3) ... [2021-11-25 18:15:16,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19df4116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:15:16, skipping insertion in model container [2021-11-25 18:15:16,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:15:16" (3/3) ... [2021-11-25 18:15:16,606 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.i [2021-11-25 18:15:16,612 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:15:16,612 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2021-11-25 18:15:16,740 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:15:16,756 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 18:15:16,760 INFO L340 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2021-11-25 18:15:16,824 INFO L276 IsEmpty]: Start isEmpty. Operand has 941 states, 559 states have (on average 1.3470483005366727) internal successors, (753), 600 states have internal predecessors, (753), 281 states have call successors, (281), 80 states have call predecessors, (281), 79 states have return successors, (278), 276 states have call predecessors, (278), 278 states have call successors, (278) [2021-11-25 18:15:16,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-25 18:15:16,834 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:15:16,835 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:15:16,836 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:15:16,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:15:16,843 INFO L85 PathProgramCache]: Analyzing trace with hash -72558991, now seen corresponding path program 1 times [2021-11-25 18:15:16,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:15:16,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466432805] [2021-11-25 18:15:16,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:15:16,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:15:17,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:15:17,490 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 18:15:17,491 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:15:17,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466432805] [2021-11-25 18:15:17,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466432805] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:15:17,492 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:15:17,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:15:17,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173977778] [2021-11-25 18:15:17,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:15:17,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:15:17,499 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:15:17,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:15:17,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:15:17,531 INFO L87 Difference]: Start difference. First operand has 941 states, 559 states have (on average 1.3470483005366727) internal successors, (753), 600 states have internal predecessors, (753), 281 states have call successors, (281), 80 states have call predecessors, (281), 79 states have return successors, (278), 276 states have call predecessors, (278), 278 states have call successors, (278) 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) [2021-11-25 18:15:18,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:15:18,914 INFO L93 Difference]: Finished difference Result 1745 states and 2481 transitions. [2021-11-25 18:15:18,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:15:18,916 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 [2021-11-25 18:15:18,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:15:18,952 INFO L225 Difference]: With dead ends: 1745 [2021-11-25 18:15:18,952 INFO L226 Difference]: Without dead ends: 819 [2021-11-25 18:15:18,969 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:15:18,976 INFO L933 BasicCegarLoop]: 907 mSDtfsCounter, 1054 mSDsluCounter, 1067 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1056 SdHoareTripleChecker+Valid, 1814 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:15:18,977 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1056 Valid, 1814 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-25 18:15:18,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2021-11-25 18:15:19,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 819. [2021-11-25 18:15:19,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 819 states, 474 states have (on average 1.238396624472574) internal successors, (587), 523 states have internal predecessors, (587), 236 states have call successors, (236), 79 states have call predecessors, (236), 78 states have return successors, (234), 232 states have call predecessors, (234), 234 states have call successors, (234) [2021-11-25 18:15:19,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 819 states and 1057 transitions. [2021-11-25 18:15:19,147 INFO L78 Accepts]: Start accepts. Automaton has 819 states and 1057 transitions. Word has length 38 [2021-11-25 18:15:19,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:15:19,151 INFO L470 AbstractCegarLoop]: Abstraction has 819 states and 1057 transitions. [2021-11-25 18:15:19,151 INFO L471 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) [2021-11-25 18:15:19,151 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1057 transitions. [2021-11-25 18:15:19,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 18:15:19,155 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:15:19,155 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:15:19,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:15:19,156 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:15:19,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:15:19,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1425836187, now seen corresponding path program 1 times [2021-11-25 18:15:19,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:15:19,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961289706] [2021-11-25 18:15:19,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:15:19,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:15:19,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:15:19,384 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 18:15:19,384 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:15:19,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961289706] [2021-11-25 18:15:19,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961289706] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:15:19,385 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:15:19,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:15:19,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379382692] [2021-11-25 18:15:19,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:15:19,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:15:19,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:15:19,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:15:19,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:15:19,388 INFO L87 Difference]: Start difference. First operand 819 states and 1057 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) [2021-11-25 18:15:20,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:15:20,806 INFO L93 Difference]: Finished difference Result 1483 states and 1908 transitions. [2021-11-25 18:15:20,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 18:15:20,807 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 [2021-11-25 18:15:20,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:15:20,822 INFO L225 Difference]: With dead ends: 1483 [2021-11-25 18:15:20,822 INFO L226 Difference]: Without dead ends: 1481 [2021-11-25 18:15:20,824 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:15:20,825 INFO L933 BasicCegarLoop]: 1170 mSDtfsCounter, 858 mSDsluCounter, 2368 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 860 SdHoareTripleChecker+Valid, 3206 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:15:20,826 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [860 Valid, 3206 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-25 18:15:20,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1481 states. [2021-11-25 18:15:20,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1481 to 1307. [2021-11-25 18:15:20,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1307 states, 756 states have (on average 1.2328042328042328) internal successors, (932), 821 states have internal predecessors, (932), 388 states have call successors, (388), 133 states have call predecessors, (388), 132 states have return successors, (401), 381 states have call predecessors, (401), 386 states have call successors, (401) [2021-11-25 18:15:20,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1307 states to 1307 states and 1721 transitions. [2021-11-25 18:15:20,961 INFO L78 Accepts]: Start accepts. Automaton has 1307 states and 1721 transitions. Word has length 43 [2021-11-25 18:15:20,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:15:20,962 INFO L470 AbstractCegarLoop]: Abstraction has 1307 states and 1721 transitions. [2021-11-25 18:15:20,962 INFO L471 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) [2021-11-25 18:15:20,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1307 states and 1721 transitions. [2021-11-25 18:15:20,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-25 18:15:20,967 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:15:20,968 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:15:20,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 18:15:20,968 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:15:20,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:15:20,969 INFO L85 PathProgramCache]: Analyzing trace with hash -661721421, now seen corresponding path program 1 times [2021-11-25 18:15:20,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:15:20,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702494611] [2021-11-25 18:15:20,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:15:20,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:15:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:15:21,167 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 18:15:21,167 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:15:21,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702494611] [2021-11-25 18:15:21,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702494611] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:15:21,168 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:15:21,168 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:15:21,168 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511227809] [2021-11-25 18:15:21,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:15:21,169 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:15:21,169 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:15:21,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:15:21,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:15:21,171 INFO L87 Difference]: Start difference. First operand 1307 states and 1721 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) [2021-11-25 18:15:22,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:15:22,051 INFO L93 Difference]: Finished difference Result 1307 states and 1721 transitions. [2021-11-25 18:15:22,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:15:22,052 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 [2021-11-25 18:15:22,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:15:22,065 INFO L225 Difference]: With dead ends: 1307 [2021-11-25 18:15:22,065 INFO L226 Difference]: Without dead ends: 1305 [2021-11-25 18:15:22,066 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:15:22,068 INFO L933 BasicCegarLoop]: 892 mSDtfsCounter, 1036 mSDsluCounter, 1051 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1038 SdHoareTripleChecker+Valid, 1784 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:15:22,068 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1038 Valid, 1784 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-25 18:15:22,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1305 states. [2021-11-25 18:15:22,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1305 to 1305. [2021-11-25 18:15:22,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1305 states, 755 states have (on average 1.2317880794701987) internal successors, (930), 819 states have internal predecessors, (930), 388 states have call successors, (388), 133 states have call predecessors, (388), 132 states have return successors, (401), 381 states have call predecessors, (401), 386 states have call successors, (401) [2021-11-25 18:15:22,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 1305 states and 1719 transitions. [2021-11-25 18:15:22,168 INFO L78 Accepts]: Start accepts. Automaton has 1305 states and 1719 transitions. Word has length 48 [2021-11-25 18:15:22,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:15:22,169 INFO L470 AbstractCegarLoop]: Abstraction has 1305 states and 1719 transitions. [2021-11-25 18:15:22,169 INFO L471 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) [2021-11-25 18:15:22,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 1719 transitions. [2021-11-25 18:15:22,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-25 18:15:22,172 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:15:22,172 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:15:22,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 18:15:22,172 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:15:22,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:15:22,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1691561906, now seen corresponding path program 1 times [2021-11-25 18:15:22,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:15:22,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458583206] [2021-11-25 18:15:22,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:15:22,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:15:22,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:15:22,317 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 18:15:22,317 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:15:22,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458583206] [2021-11-25 18:15:22,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458583206] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:15:22,318 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:15:22,318 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:15:22,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550412082] [2021-11-25 18:15:22,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:15:22,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:15:22,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:15:22,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:15:22,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:15:22,320 INFO L87 Difference]: Start difference. First operand 1305 states and 1719 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) [2021-11-25 18:15:23,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:15:23,429 INFO L93 Difference]: Finished difference Result 1721 states and 2195 transitions. [2021-11-25 18:15:23,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 18:15:23,429 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 [2021-11-25 18:15:23,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:15:23,444 INFO L225 Difference]: With dead ends: 1721 [2021-11-25 18:15:23,444 INFO L226 Difference]: Without dead ends: 1719 [2021-11-25 18:15:23,445 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:15:23,450 INFO L933 BasicCegarLoop]: 960 mSDtfsCounter, 1022 mSDsluCounter, 1427 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1024 SdHoareTripleChecker+Valid, 2178 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:15:23,451 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1024 Valid, 2178 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-25 18:15:23,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1719 states. [2021-11-25 18:15:23,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1719 to 1676. [2021-11-25 18:15:23,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1676 states, 968 states have (on average 1.225206611570248) internal successors, (1186), 1038 states have internal predecessors, (1186), 485 states have call successors, (485), 194 states have call predecessors, (485), 193 states have return successors, (498), 474 states have call predecessors, (498), 483 states have call successors, (498) [2021-11-25 18:15:23,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1676 states to 1676 states and 2169 transitions. [2021-11-25 18:15:23,611 INFO L78 Accepts]: Start accepts. Automaton has 1676 states and 2169 transitions. Word has length 53 [2021-11-25 18:15:23,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:15:23,611 INFO L470 AbstractCegarLoop]: Abstraction has 1676 states and 2169 transitions. [2021-11-25 18:15:23,612 INFO L471 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) [2021-11-25 18:15:23,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1676 states and 2169 transitions. [2021-11-25 18:15:23,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-25 18:15:23,615 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:15:23,615 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:15:23,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 18:15:23,616 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:15:23,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:15:23,616 INFO L85 PathProgramCache]: Analyzing trace with hash -907063550, now seen corresponding path program 1 times [2021-11-25 18:15:23,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:15:23,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441471765] [2021-11-25 18:15:23,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:15:23,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:15:23,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:15:23,751 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 18:15:23,751 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:15:23,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441471765] [2021-11-25 18:15:23,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441471765] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:15:23,752 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:15:23,752 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:15:23,752 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170305621] [2021-11-25 18:15:23,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:15:23,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:15:23,753 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:15:23,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:15:23,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:15:23,754 INFO L87 Difference]: Start difference. First operand 1676 states and 2169 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) [2021-11-25 18:15:24,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:15:24,852 INFO L93 Difference]: Finished difference Result 1676 states and 2169 transitions. [2021-11-25 18:15:24,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:15:24,853 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 [2021-11-25 18:15:24,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:15:24,867 INFO L225 Difference]: With dead ends: 1676 [2021-11-25 18:15:24,868 INFO L226 Difference]: Without dead ends: 1674 [2021-11-25 18:15:24,869 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:15:24,870 INFO L933 BasicCegarLoop]: 891 mSDtfsCounter, 1033 mSDsluCounter, 1050 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1035 SdHoareTripleChecker+Valid, 1782 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:15:24,870 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1035 Valid, 1782 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-25 18:15:24,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1674 states. [2021-11-25 18:15:24,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1674 to 1674. [2021-11-25 18:15:24,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1674 states, 967 states have (on average 1.2233712512926578) internal successors, (1183), 1036 states have internal predecessors, (1183), 485 states have call successors, (485), 194 states have call predecessors, (485), 193 states have return successors, (498), 474 states have call predecessors, (498), 483 states have call successors, (498) [2021-11-25 18:15:25,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1674 states to 1674 states and 2166 transitions. [2021-11-25 18:15:25,006 INFO L78 Accepts]: Start accepts. Automaton has 1674 states and 2166 transitions. Word has length 58 [2021-11-25 18:15:25,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:15:25,006 INFO L470 AbstractCegarLoop]: Abstraction has 1674 states and 2166 transitions. [2021-11-25 18:15:25,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (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) [2021-11-25 18:15:25,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1674 states and 2166 transitions. [2021-11-25 18:15:25,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-25 18:15:25,008 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:15:25,009 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:15:25,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 18:15:25,009 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:15:25,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:15:25,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1437075313, now seen corresponding path program 1 times [2021-11-25 18:15:25,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:15:25,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522660362] [2021-11-25 18:15:25,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:15:25,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:15:25,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:15:25,112 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 18:15:25,112 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:15:25,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522660362] [2021-11-25 18:15:25,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522660362] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:15:25,112 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:15:25,113 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:15:25,113 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171454857] [2021-11-25 18:15:25,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:15:25,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:15:25,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:15:25,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:15:25,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:15:25,115 INFO L87 Difference]: Start difference. First operand 1674 states and 2166 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) [2021-11-25 18:15:26,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:15:26,099 INFO L93 Difference]: Finished difference Result 1674 states and 2166 transitions. [2021-11-25 18:15:26,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:15:26,099 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 [2021-11-25 18:15:26,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:15:26,113 INFO L225 Difference]: With dead ends: 1674 [2021-11-25 18:15:26,113 INFO L226 Difference]: Without dead ends: 1672 [2021-11-25 18:15:26,114 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:15:26,115 INFO L933 BasicCegarLoop]: 889 mSDtfsCounter, 1030 mSDsluCounter, 1048 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1032 SdHoareTripleChecker+Valid, 1778 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:15:26,115 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1032 Valid, 1778 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-25 18:15:26,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2021-11-25 18:15:26,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1672. [2021-11-25 18:15:26,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1672 states, 966 states have (on average 1.2215320910973084) internal successors, (1180), 1034 states have internal predecessors, (1180), 485 states have call successors, (485), 194 states have call predecessors, (485), 193 states have return successors, (498), 474 states have call predecessors, (498), 483 states have call successors, (498) [2021-11-25 18:15:26,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2163 transitions. [2021-11-25 18:15:26,261 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 2163 transitions. Word has length 63 [2021-11-25 18:15:26,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:15:26,262 INFO L470 AbstractCegarLoop]: Abstraction has 1672 states and 2163 transitions. [2021-11-25 18:15:26,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-25 18:15:26,263 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2163 transitions. [2021-11-25 18:15:26,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-25 18:15:26,266 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:15:26,266 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:15:26,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 18:15:26,267 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:15:26,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:15:26,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1805829050, now seen corresponding path program 1 times [2021-11-25 18:15:26,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:15:26,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185478991] [2021-11-25 18:15:26,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:15:26,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:15:26,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:15:26,405 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 18:15:26,406 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:15:26,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185478991] [2021-11-25 18:15:26,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185478991] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:15:26,406 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:15:26,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:15:26,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531534374] [2021-11-25 18:15:26,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:15:26,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:15:26,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:15:26,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:15:26,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:15:26,408 INFO L87 Difference]: Start difference. First operand 1672 states and 2163 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) [2021-11-25 18:15:27,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:15:27,335 INFO L93 Difference]: Finished difference Result 1672 states and 2163 transitions. [2021-11-25 18:15:27,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:15:27,336 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 [2021-11-25 18:15:27,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:15:27,349 INFO L225 Difference]: With dead ends: 1672 [2021-11-25 18:15:27,349 INFO L226 Difference]: Without dead ends: 1670 [2021-11-25 18:15:27,350 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:15:27,351 INFO L933 BasicCegarLoop]: 887 mSDtfsCounter, 1027 mSDsluCounter, 1046 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1029 SdHoareTripleChecker+Valid, 1774 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:15:27,352 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1029 Valid, 1774 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-25 18:15:27,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1670 states. [2021-11-25 18:15:27,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1670 to 1670. [2021-11-25 18:15:27,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1670 states, 965 states have (on average 1.2196891191709844) internal successors, (1177), 1032 states have internal predecessors, (1177), 485 states have call successors, (485), 194 states have call predecessors, (485), 193 states have return successors, (498), 474 states have call predecessors, (498), 483 states have call successors, (498) [2021-11-25 18:15:27,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1670 states and 2160 transitions. [2021-11-25 18:15:27,468 INFO L78 Accepts]: Start accepts. Automaton has 1670 states and 2160 transitions. Word has length 68 [2021-11-25 18:15:27,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:15:27,468 INFO L470 AbstractCegarLoop]: Abstraction has 1670 states and 2160 transitions. [2021-11-25 18:15:27,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-25 18:15:27,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1670 states and 2160 transitions. [2021-11-25 18:15:27,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-25 18:15:27,471 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:15:27,471 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:15:27,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 18:15:27,472 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:15:27,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:15:27,473 INFO L85 PathProgramCache]: Analyzing trace with hash -317745981, now seen corresponding path program 1 times [2021-11-25 18:15:27,473 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:15:27,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786360885] [2021-11-25 18:15:27,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:15:27,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:15:27,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:15:27,633 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 18:15:27,633 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:15:27,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786360885] [2021-11-25 18:15:27,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786360885] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:15:27,634 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:15:27,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:15:27,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930146369] [2021-11-25 18:15:27,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:15:27,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:15:27,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:15:27,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:15:27,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:15:27,637 INFO L87 Difference]: Start difference. First operand 1670 states and 2160 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) [2021-11-25 18:15:28,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:15:28,669 INFO L93 Difference]: Finished difference Result 1670 states and 2160 transitions. [2021-11-25 18:15:28,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:15:28,670 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 [2021-11-25 18:15:28,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:15:28,684 INFO L225 Difference]: With dead ends: 1670 [2021-11-25 18:15:28,684 INFO L226 Difference]: Without dead ends: 1668 [2021-11-25 18:15:28,685 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:15:28,686 INFO L933 BasicCegarLoop]: 885 mSDtfsCounter, 1028 mSDsluCounter, 1040 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1030 SdHoareTripleChecker+Valid, 1766 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:15:28,686 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1030 Valid, 1766 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-25 18:15:28,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1668 states. [2021-11-25 18:15:28,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1668 to 1668. [2021-11-25 18:15:28,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1668 states, 964 states have (on average 1.2178423236514522) internal successors, (1174), 1030 states have internal predecessors, (1174), 485 states have call successors, (485), 194 states have call predecessors, (485), 193 states have return successors, (498), 474 states have call predecessors, (498), 483 states have call successors, (498) [2021-11-25 18:15:28,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 1668 states and 2157 transitions. [2021-11-25 18:15:28,801 INFO L78 Accepts]: Start accepts. Automaton has 1668 states and 2157 transitions. Word has length 73 [2021-11-25 18:15:28,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:15:28,802 INFO L470 AbstractCegarLoop]: Abstraction has 1668 states and 2157 transitions. [2021-11-25 18:15:28,802 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-25 18:15:28,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1668 states and 2157 transitions. [2021-11-25 18:15:28,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-25 18:15:28,804 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:15:28,804 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:15:28,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-25 18:15:28,804 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:15:28,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:15:28,805 INFO L85 PathProgramCache]: Analyzing trace with hash -411064634, now seen corresponding path program 1 times [2021-11-25 18:15:28,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:15:28,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144808107] [2021-11-25 18:15:28,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:15:28,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:15:28,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:15:28,897 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 18:15:28,897 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:15:28,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144808107] [2021-11-25 18:15:28,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144808107] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:15:28,898 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:15:28,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:15:28,898 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972428122] [2021-11-25 18:15:28,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:15:28,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:15:28,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:15:28,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:15:28,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:15:28,900 INFO L87 Difference]: Start difference. First operand 1668 states and 2157 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) [2021-11-25 18:15:29,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:15:29,864 INFO L93 Difference]: Finished difference Result 1668 states and 2157 transitions. [2021-11-25 18:15:29,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:15:29,865 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 [2021-11-25 18:15:29,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:15:29,878 INFO L225 Difference]: With dead ends: 1668 [2021-11-25 18:15:29,878 INFO L226 Difference]: Without dead ends: 1666 [2021-11-25 18:15:29,879 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:15:29,880 INFO L933 BasicCegarLoop]: 883 mSDtfsCounter, 1020 mSDsluCounter, 1042 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1022 SdHoareTripleChecker+Valid, 1766 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:15:29,881 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1022 Valid, 1766 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-25 18:15:29,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1666 states. [2021-11-25 18:15:29,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1666 to 1666. [2021-11-25 18:15:29,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1666 states, 963 states have (on average 1.2159916926272067) internal successors, (1171), 1028 states have internal predecessors, (1171), 485 states have call successors, (485), 194 states have call predecessors, (485), 193 states have return successors, (498), 474 states have call predecessors, (498), 483 states have call successors, (498) [2021-11-25 18:15:30,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1666 states and 2154 transitions. [2021-11-25 18:15:30,004 INFO L78 Accepts]: Start accepts. Automaton has 1666 states and 2154 transitions. Word has length 75 [2021-11-25 18:15:30,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:15:30,005 INFO L470 AbstractCegarLoop]: Abstraction has 1666 states and 2154 transitions. [2021-11-25 18:15:30,005 INFO L471 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) [2021-11-25 18:15:30,006 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states and 2154 transitions. [2021-11-25 18:15:30,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-25 18:15:30,010 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:15:30,011 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:15:30,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-25 18:15:30,011 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:15:30,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:15:30,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1334497226, now seen corresponding path program 1 times [2021-11-25 18:15:30,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:15:30,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246673453] [2021-11-25 18:15:30,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:15:30,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:15:30,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:15:30,114 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 18:15:30,114 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:15:30,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246673453] [2021-11-25 18:15:30,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246673453] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:15:30,115 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:15:30,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:15:30,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146026492] [2021-11-25 18:15:30,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:15:30,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:15:30,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:15:30,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:15:30,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:15:30,117 INFO L87 Difference]: Start difference. First operand 1666 states and 2154 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) [2021-11-25 18:15:31,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:15:31,012 INFO L93 Difference]: Finished difference Result 1666 states and 2154 transitions. [2021-11-25 18:15:31,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:15:31,013 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 [2021-11-25 18:15:31,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:15:31,024 INFO L225 Difference]: With dead ends: 1666 [2021-11-25 18:15:31,024 INFO L226 Difference]: Without dead ends: 1664 [2021-11-25 18:15:31,026 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:15:31,027 INFO L933 BasicCegarLoop]: 881 mSDtfsCounter, 1019 mSDsluCounter, 1040 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1021 SdHoareTripleChecker+Valid, 1762 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:15:31,027 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1021 Valid, 1762 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-25 18:15:31,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1664 states. [2021-11-25 18:15:31,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1664 to 1664. [2021-11-25 18:15:31,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1664 states, 962 states have (on average 1.2141372141372142) internal successors, (1168), 1026 states have internal predecessors, (1168), 485 states have call successors, (485), 194 states have call predecessors, (485), 193 states have return successors, (498), 474 states have call predecessors, (498), 483 states have call successors, (498) [2021-11-25 18:15:31,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1664 states to 1664 states and 2151 transitions. [2021-11-25 18:15:31,163 INFO L78 Accepts]: Start accepts. Automaton has 1664 states and 2151 transitions. Word has length 80 [2021-11-25 18:15:31,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:15:31,164 INFO L470 AbstractCegarLoop]: Abstraction has 1664 states and 2151 transitions. [2021-11-25 18:15:31,165 INFO L471 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) [2021-11-25 18:15:31,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1664 states and 2151 transitions. [2021-11-25 18:15:31,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-25 18:15:31,168 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:15:31,168 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:15:31,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-25 18:15:31,169 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:15:31,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:15:31,169 INFO L85 PathProgramCache]: Analyzing trace with hash -847188097, now seen corresponding path program 1 times [2021-11-25 18:15:31,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:15:31,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544118020] [2021-11-25 18:15:31,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:15:31,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:15:31,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:15:31,290 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 18:15:31,291 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:15:31,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544118020] [2021-11-25 18:15:31,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544118020] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:15:31,291 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:15:31,291 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:15:31,291 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880467373] [2021-11-25 18:15:31,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:15:31,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:15:31,292 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:15:31,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:15:31,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:15:31,293 INFO L87 Difference]: Start difference. First operand 1664 states and 2151 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) [2021-11-25 18:15:33,905 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:15:34,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:15:34,260 INFO L93 Difference]: Finished difference Result 1664 states and 2151 transitions. [2021-11-25 18:15:34,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:15:34,260 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 [2021-11-25 18:15:34,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:15:34,273 INFO L225 Difference]: With dead ends: 1664 [2021-11-25 18:15:34,273 INFO L226 Difference]: Without dead ends: 1662 [2021-11-25 18:15:34,275 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:15:34,276 INFO L933 BasicCegarLoop]: 879 mSDtfsCounter, 1016 mSDsluCounter, 1038 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1018 SdHoareTripleChecker+Valid, 1758 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:15:34,276 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1018 Valid, 1758 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 320 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2021-11-25 18:15:34,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1662 states. [2021-11-25 18:15:34,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1662 to 1662. [2021-11-25 18:15:34,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1662 states, 961 states have (on average 1.2122788761706556) internal successors, (1165), 1024 states have internal predecessors, (1165), 485 states have call successors, (485), 194 states have call predecessors, (485), 193 states have return successors, (498), 474 states have call predecessors, (498), 483 states have call successors, (498) [2021-11-25 18:15:34,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1662 states to 1662 states and 2148 transitions. [2021-11-25 18:15:34,408 INFO L78 Accepts]: Start accepts. Automaton has 1662 states and 2148 transitions. Word has length 85 [2021-11-25 18:15:34,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:15:34,409 INFO L470 AbstractCegarLoop]: Abstraction has 1662 states and 2148 transitions. [2021-11-25 18:15:34,409 INFO L471 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) [2021-11-25 18:15:34,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1662 states and 2148 transitions. [2021-11-25 18:15:34,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-25 18:15:34,412 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:15:34,412 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:15:34,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-25 18:15:34,412 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:15:34,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:15:34,413 INFO L85 PathProgramCache]: Analyzing trace with hash 817177368, now seen corresponding path program 1 times [2021-11-25 18:15:34,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:15:34,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014037269] [2021-11-25 18:15:34,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:15:34,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:15:34,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:15:34,540 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 18:15:34,540 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:15:34,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014037269] [2021-11-25 18:15:34,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014037269] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:15:34,541 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:15:34,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:15:34,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273591974] [2021-11-25 18:15:34,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:15:34,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:15:34,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:15:34,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:15:34,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:15:34,542 INFO L87 Difference]: Start difference. First operand 1662 states and 2148 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) [2021-11-25 18:15:35,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:15:35,786 INFO L93 Difference]: Finished difference Result 1662 states and 2148 transitions. [2021-11-25 18:15:35,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:15:35,787 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 [2021-11-25 18:15:35,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:15:35,801 INFO L225 Difference]: With dead ends: 1662 [2021-11-25 18:15:35,802 INFO L226 Difference]: Without dead ends: 1660 [2021-11-25 18:15:35,803 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:15:35,804 INFO L933 BasicCegarLoop]: 877 mSDtfsCounter, 1013 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1015 SdHoareTripleChecker+Valid, 1754 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:15:35,804 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1015 Valid, 1754 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-25 18:15:35,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1660 states. [2021-11-25 18:15:35,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1660 to 1660. [2021-11-25 18:15:35,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1660 states, 960 states have (on average 1.2104166666666667) internal successors, (1162), 1022 states have internal predecessors, (1162), 485 states have call successors, (485), 194 states have call predecessors, (485), 193 states have return successors, (498), 474 states have call predecessors, (498), 483 states have call successors, (498) [2021-11-25 18:15:35,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1660 states to 1660 states and 2145 transitions. [2021-11-25 18:15:35,938 INFO L78 Accepts]: Start accepts. Automaton has 1660 states and 2145 transitions. Word has length 90 [2021-11-25 18:15:35,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:15:35,939 INFO L470 AbstractCegarLoop]: Abstraction has 1660 states and 2145 transitions. [2021-11-25 18:15:35,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-25 18:15:35,939 INFO L276 IsEmpty]: Start isEmpty. Operand 1660 states and 2145 transitions. [2021-11-25 18:15:35,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-25 18:15:35,941 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:15:35,941 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:15:35,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-25 18:15:35,942 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:15:35,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:15:35,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1227200249, now seen corresponding path program 1 times [2021-11-25 18:15:35,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:15:35,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578578174] [2021-11-25 18:15:35,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:15:35,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:15:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:15:36,193 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2021-11-25 18:15:36,193 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:15:36,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578578174] [2021-11-25 18:15:36,193 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578578174] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:15:36,194 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:15:36,194 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-25 18:15:36,194 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900527058] [2021-11-25 18:15:36,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:15:36,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-25 18:15:36,195 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:15:36,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-25 18:15:36,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-25 18:15:36,196 INFO L87 Difference]: Start difference. First operand 1660 states and 2145 transitions. Second operand has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 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) [2021-11-25 18:15:40,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:15:40,223 INFO L93 Difference]: Finished difference Result 2071 states and 2824 transitions. [2021-11-25 18:15:40,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 18:15:40,224 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 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 114 [2021-11-25 18:15:40,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:15:40,246 INFO L225 Difference]: With dead ends: 2071 [2021-11-25 18:15:40,246 INFO L226 Difference]: Without dead ends: 2069 [2021-11-25 18:15:40,248 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-25 18:15:40,249 INFO L933 BasicCegarLoop]: 1001 mSDtfsCounter, 1286 mSDsluCounter, 3477 mSDsCounter, 0 mSdLazyCounter, 2530 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1288 SdHoareTripleChecker+Valid, 3779 SdHoareTripleChecker+Invalid, 2712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 2530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-11-25 18:15:40,249 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1288 Valid, 3779 Invalid, 2712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 2530 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-11-25 18:15:40,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2069 states. [2021-11-25 18:15:40,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2069 to 1658. [2021-11-25 18:15:40,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1658 states, 959 states have (on average 1.2085505735140771) internal successors, (1159), 1020 states have internal predecessors, (1159), 485 states have call successors, (485), 194 states have call predecessors, (485), 193 states have return successors, (498), 474 states have call predecessors, (498), 483 states have call successors, (498) [2021-11-25 18:15:40,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 1658 states and 2142 transitions. [2021-11-25 18:15:40,420 INFO L78 Accepts]: Start accepts. Automaton has 1658 states and 2142 transitions. Word has length 114 [2021-11-25 18:15:40,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:15:40,421 INFO L470 AbstractCegarLoop]: Abstraction has 1658 states and 2142 transitions. [2021-11-25 18:15:40,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 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) [2021-11-25 18:15:40,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1658 states and 2142 transitions. [2021-11-25 18:15:40,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-25 18:15:40,424 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:15:40,424 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:15:40,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-25 18:15:40,425 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:15:40,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:15:40,425 INFO L85 PathProgramCache]: Analyzing trace with hash -766703649, now seen corresponding path program 1 times [2021-11-25 18:15:40,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:15:40,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515135898] [2021-11-25 18:15:40,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:15:40,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:15:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:15:40,546 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 18:15:40,546 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:15:40,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515135898] [2021-11-25 18:15:40,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515135898] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:15:40,547 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:15:40,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:15:40,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648569896] [2021-11-25 18:15:40,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:15:40,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:15:40,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:15:40,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:15:40,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:15:40,549 INFO L87 Difference]: Start difference. First operand 1658 states and 2142 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) [2021-11-25 18:15:43,984 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:15:44,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:15:44,283 INFO L93 Difference]: Finished difference Result 1658 states and 2142 transitions. [2021-11-25 18:15:44,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:15:44,284 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 [2021-11-25 18:15:44,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:15:44,296 INFO L225 Difference]: With dead ends: 1658 [2021-11-25 18:15:44,296 INFO L226 Difference]: Without dead ends: 1656 [2021-11-25 18:15:44,298 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:15:44,298 INFO L933 BasicCegarLoop]: 873 mSDtfsCounter, 1008 mSDsluCounter, 1032 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1010 SdHoareTripleChecker+Valid, 1746 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:15:44,299 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1010 Valid, 1746 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 320 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2021-11-25 18:15:44,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1656 states. [2021-11-25 18:15:44,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1656 to 1656. [2021-11-25 18:15:44,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1656 states, 958 states have (on average 1.2066805845511481) internal successors, (1156), 1018 states have internal predecessors, (1156), 485 states have call successors, (485), 194 states have call predecessors, (485), 193 states have return successors, (498), 474 states have call predecessors, (498), 483 states have call successors, (498) [2021-11-25 18:15:44,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 1656 states and 2139 transitions. [2021-11-25 18:15:44,446 INFO L78 Accepts]: Start accepts. Automaton has 1656 states and 2139 transitions. Word has length 95 [2021-11-25 18:15:44,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:15:44,446 INFO L470 AbstractCegarLoop]: Abstraction has 1656 states and 2139 transitions. [2021-11-25 18:15:44,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-25 18:15:44,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 2139 transitions. [2021-11-25 18:15:44,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-25 18:15:44,450 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:15:44,450 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:15:44,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-25 18:15:44,450 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:15:44,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:15:44,451 INFO L85 PathProgramCache]: Analyzing trace with hash -686814740, now seen corresponding path program 1 times [2021-11-25 18:15:44,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:15:44,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403891005] [2021-11-25 18:15:44,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:15:44,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:15:44,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:15:44,612 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2021-11-25 18:15:44,613 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:15:44,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403891005] [2021-11-25 18:15:44,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403891005] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:15:44,613 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:15:44,614 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:15:44,614 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724769757] [2021-11-25 18:15:44,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:15:44,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:15:44,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:15:44,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:15:44,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:15:44,617 INFO L87 Difference]: Start difference. First operand 1656 states and 2139 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (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) [2021-11-25 18:15:45,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:15:45,454 INFO L93 Difference]: Finished difference Result 3284 states and 4252 transitions. [2021-11-25 18:15:45,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:15:45,455 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (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 117 [2021-11-25 18:15:45,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:15:45,468 INFO L225 Difference]: With dead ends: 3284 [2021-11-25 18:15:45,468 INFO L226 Difference]: Without dead ends: 1650 [2021-11-25 18:15:45,475 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:15:45,476 INFO L933 BasicCegarLoop]: 869 mSDtfsCounter, 994 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 994 SdHoareTripleChecker+Valid, 869 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-25 18:15:45,477 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [994 Valid, 869 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-25 18:15:45,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1650 states. [2021-11-25 18:15:45,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1650 to 1650. [2021-11-25 18:15:45,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1650 states, 953 states have (on average 1.2035676810073452) internal successors, (1147), 1012 states have internal predecessors, (1147), 485 states have call successors, (485), 194 states have call predecessors, (485), 193 states have return successors, (498), 474 states have call predecessors, (498), 483 states have call successors, (498) [2021-11-25 18:15:45,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1650 states to 1650 states and 2130 transitions. [2021-11-25 18:15:45,664 INFO L78 Accepts]: Start accepts. Automaton has 1650 states and 2130 transitions. Word has length 117 [2021-11-25 18:15:45,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:15:45,665 INFO L470 AbstractCegarLoop]: Abstraction has 1650 states and 2130 transitions. [2021-11-25 18:15:45,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (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) [2021-11-25 18:15:45,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1650 states and 2130 transitions. [2021-11-25 18:15:45,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-25 18:15:45,670 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:15:45,670 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:15:45,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-25 18:15:45,670 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:15:45,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:15:45,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1359350283, now seen corresponding path program 1 times [2021-11-25 18:15:45,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:15:45,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690381935] [2021-11-25 18:15:45,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:15:45,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:15:45,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:15:45,779 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 18:15:45,779 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:15:45,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690381935] [2021-11-25 18:15:45,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690381935] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:15:45,781 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:15:45,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:15:45,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287637105] [2021-11-25 18:15:45,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:15:45,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:15:45,783 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:15:45,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:15:45,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:15:45,784 INFO L87 Difference]: Start difference. First operand 1650 states and 2130 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) [2021-11-25 18:15:46,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:15:46,940 INFO L93 Difference]: Finished difference Result 1650 states and 2130 transitions. [2021-11-25 18:15:46,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:15:46,941 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 [2021-11-25 18:15:46,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:15:46,952 INFO L225 Difference]: With dead ends: 1650 [2021-11-25 18:15:46,952 INFO L226 Difference]: Without dead ends: 1648 [2021-11-25 18:15:46,953 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:15:46,954 INFO L933 BasicCegarLoop]: 866 mSDtfsCounter, 1000 mSDsluCounter, 1025 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1002 SdHoareTripleChecker+Valid, 1732 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:15:46,954 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1002 Valid, 1732 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-25 18:15:46,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1648 states. [2021-11-25 18:15:47,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1648 to 1648. [2021-11-25 18:15:47,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1648 states, 952 states have (on average 1.2016806722689075) internal successors, (1144), 1010 states have internal predecessors, (1144), 485 states have call successors, (485), 194 states have call predecessors, (485), 193 states have return successors, (498), 474 states have call predecessors, (498), 483 states have call successors, (498) [2021-11-25 18:15:47,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1648 states and 2127 transitions. [2021-11-25 18:15:47,110 INFO L78 Accepts]: Start accepts. Automaton has 1648 states and 2127 transitions. Word has length 100 [2021-11-25 18:15:47,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:15:47,110 INFO L470 AbstractCegarLoop]: Abstraction has 1648 states and 2127 transitions. [2021-11-25 18:15:47,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-25 18:15:47,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 2127 transitions. [2021-11-25 18:15:47,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-25 18:15:47,114 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:15:47,114 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:15:47,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-25 18:15:47,115 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:15:47,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:15:47,115 INFO L85 PathProgramCache]: Analyzing trace with hash -813067699, now seen corresponding path program 1 times [2021-11-25 18:15:47,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:15:47,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315731213] [2021-11-25 18:15:47,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:15:47,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:15:47,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:15:47,223 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 18:15:47,223 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:15:47,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315731213] [2021-11-25 18:15:47,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315731213] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:15:47,223 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:15:47,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:15:47,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21225762] [2021-11-25 18:15:47,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:15:47,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:15:47,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:15:47,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:15:47,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:15:47,226 INFO L87 Difference]: Start difference. First operand 1648 states and 2127 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) [2021-11-25 18:15:48,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:15:48,461 INFO L93 Difference]: Finished difference Result 1648 states and 2127 transitions. [2021-11-25 18:15:48,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:15:48,462 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 [2021-11-25 18:15:48,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:15:48,474 INFO L225 Difference]: With dead ends: 1648 [2021-11-25 18:15:48,475 INFO L226 Difference]: Without dead ends: 1646 [2021-11-25 18:15:48,476 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:15:48,477 INFO L933 BasicCegarLoop]: 864 mSDtfsCounter, 997 mSDsluCounter, 1023 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 999 SdHoareTripleChecker+Valid, 1728 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:15:48,477 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [999 Valid, 1728 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-25 18:15:48,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1646 states. [2021-11-25 18:15:48,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1646 to 1646. [2021-11-25 18:15:48,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1646 states, 951 states have (on average 1.199789695057834) internal successors, (1141), 1008 states have internal predecessors, (1141), 485 states have call successors, (485), 194 states have call predecessors, (485), 193 states have return successors, (498), 474 states have call predecessors, (498), 483 states have call successors, (498) [2021-11-25 18:15:48,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1646 states to 1646 states and 2124 transitions. [2021-11-25 18:15:48,654 INFO L78 Accepts]: Start accepts. Automaton has 1646 states and 2124 transitions. Word has length 105 [2021-11-25 18:15:48,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:15:48,655 INFO L470 AbstractCegarLoop]: Abstraction has 1646 states and 2124 transitions. [2021-11-25 18:15:48,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-25 18:15:48,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 2124 transitions. [2021-11-25 18:15:48,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-25 18:15:48,658 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:15:48,659 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:15:48,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-25 18:15:48,659 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_block_request__double_getErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:15:48,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:15:48,660 INFO L85 PathProgramCache]: Analyzing trace with hash 975979, now seen corresponding path program 1 times [2021-11-25 18:15:48,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:15:48,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845150022] [2021-11-25 18:15:48,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:15:48,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:15:48,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:15:48,793 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2021-11-25 18:15:48,793 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:15:48,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845150022] [2021-11-25 18:15:48,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845150022] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:15:48,794 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:15:48,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:15:48,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944261073] [2021-11-25 18:15:48,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:15:48,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 18:15:48,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:15:48,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 18:15:48,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:15:48,796 INFO L87 Difference]: Start difference. First operand 1646 states and 2124 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-25 18:15:50,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:15:50,425 INFO L93 Difference]: Finished difference Result 1667 states and 2137 transitions. [2021-11-25 18:15:50,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 18:15:50,426 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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 127 [2021-11-25 18:15:50,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:15:50,438 INFO L225 Difference]: With dead ends: 1667 [2021-11-25 18:15:50,438 INFO L226 Difference]: Without dead ends: 1665 [2021-11-25 18:15:50,439 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-25 18:15:50,440 INFO L933 BasicCegarLoop]: 930 mSDtfsCounter, 977 mSDsluCounter, 2464 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 978 SdHoareTripleChecker+Valid, 3025 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:15:50,440 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [978 Valid, 3025 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-25 18:15:50,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1665 states. [2021-11-25 18:15:50,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1665 to 1646. [2021-11-25 18:15:50,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1646 states, 951 states have (on average 1.1976866456361726) internal successors, (1139), 1008 states have internal predecessors, (1139), 485 states have call successors, (485), 194 states have call predecessors, (485), 193 states have return successors, (498), 474 states have call predecessors, (498), 483 states have call successors, (498) [2021-11-25 18:15:50,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1646 states to 1646 states and 2122 transitions. [2021-11-25 18:15:50,627 INFO L78 Accepts]: Start accepts. Automaton has 1646 states and 2122 transitions. Word has length 127 [2021-11-25 18:15:50,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:15:50,627 INFO L470 AbstractCegarLoop]: Abstraction has 1646 states and 2122 transitions. [2021-11-25 18:15:50,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-25 18:15:50,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 2122 transitions. [2021-11-25 18:15:50,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-25 18:15:50,631 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:15:50,631 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:15:50,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-25 18:15:50,632 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:15:50,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:15:50,633 INFO L85 PathProgramCache]: Analyzing trace with hash 2128218365, now seen corresponding path program 1 times [2021-11-25 18:15:50,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:15:50,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189665435] [2021-11-25 18:15:50,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:15:50,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:15:50,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:15:50,799 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-25 18:15:50,799 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:15:50,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189665435] [2021-11-25 18:15:50,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189665435] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:15:50,800 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:15:50,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:15:50,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293068498] [2021-11-25 18:15:50,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:15:50,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 18:15:50,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:15:50,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 18:15:50,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:15:50,801 INFO L87 Difference]: Start difference. First operand 1646 states and 2122 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 18:15:52,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:15:52,178 INFO L93 Difference]: Finished difference Result 1690 states and 2164 transitions. [2021-11-25 18:15:52,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 18:15:52,178 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 131 [2021-11-25 18:15:52,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:15:52,189 INFO L225 Difference]: With dead ends: 1690 [2021-11-25 18:15:52,189 INFO L226 Difference]: Without dead ends: 1688 [2021-11-25 18:15:52,190 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-25 18:15:52,191 INFO L933 BasicCegarLoop]: 867 mSDtfsCounter, 947 mSDsluCounter, 2110 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 948 SdHoareTripleChecker+Valid, 2644 SdHoareTripleChecker+Invalid, 501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:15:52,191 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [948 Valid, 2644 Invalid, 501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-25 18:15:52,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1688 states. [2021-11-25 18:15:52,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1688 to 1688. [2021-11-25 18:15:52,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1688 states, 974 states have (on average 1.1930184804928132) internal successors, (1162), 1030 states have internal predecessors, (1162), 493 states have call successors, (493), 206 states have call predecessors, (493), 205 states have return successors, (506), 482 states have call predecessors, (506), 491 states have call successors, (506) [2021-11-25 18:15:52,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1688 states to 1688 states and 2161 transitions. [2021-11-25 18:15:52,359 INFO L78 Accepts]: Start accepts. Automaton has 1688 states and 2161 transitions. Word has length 131 [2021-11-25 18:15:52,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:15:52,360 INFO L470 AbstractCegarLoop]: Abstraction has 1688 states and 2161 transitions. [2021-11-25 18:15:52,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 18:15:52,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1688 states and 2161 transitions. [2021-11-25 18:15:52,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-25 18:15:52,364 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:15:52,364 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:15:52,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-25 18:15:52,365 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_block_genhd_del_gendiskErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:15:52,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:15:52,366 INFO L85 PathProgramCache]: Analyzing trace with hash -574070957, now seen corresponding path program 1 times [2021-11-25 18:15:52,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:15:52,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524608050] [2021-11-25 18:15:52,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:15:52,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:15:52,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:15:52,893 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2021-11-25 18:15:52,894 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:15:52,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524608050] [2021-11-25 18:15:52,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524608050] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:15:52,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384480457] [2021-11-25 18:15:52,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:15:52,894 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:15:52,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:15:52,896 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:15:52,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:15:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:15:53,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 1482 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-25 18:15:53,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:15:53,937 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2021-11-25 18:15:53,937 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:15:53,937 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1384480457] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:15:53,938 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 18:15:53,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 15 [2021-11-25 18:15:53,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225866087] [2021-11-25 18:15:53,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:15:53,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 18:15:53,939 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:15:53,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 18:15:53,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2021-11-25 18:15:53,940 INFO L87 Difference]: Start difference. First operand 1688 states and 2161 transitions. Second operand has 10 states, 7 states have (on average 6.285714285714286) internal successors, (44), 9 states have internal predecessors, (44), 5 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (17), 5 states have call predecessors, (17), 5 states have call successors, (17) [2021-11-25 18:16:01,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:16:01,542 INFO L93 Difference]: Finished difference Result 3854 states and 5095 transitions. [2021-11-25 18:16:01,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-25 18:16:01,543 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 7 states have (on average 6.285714285714286) internal successors, (44), 9 states have internal predecessors, (44), 5 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (17), 5 states have call predecessors, (17), 5 states have call successors, (17) Word has length 132 [2021-11-25 18:16:01,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:16:01,572 INFO L225 Difference]: With dead ends: 3854 [2021-11-25 18:16:01,572 INFO L226 Difference]: Without dead ends: 2186 [2021-11-25 18:16:01,587 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2021-11-25 18:16:01,590 INFO L933 BasicCegarLoop]: 1237 mSDtfsCounter, 438 mSDsluCounter, 10686 mSDsCounter, 0 mSdLazyCounter, 1990 mSolverCounterSat, 338 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 10427 SdHoareTripleChecker+Invalid, 2328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 338 IncrementalHoareTripleChecker+Valid, 1990 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:16:01,590 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [438 Valid, 10427 Invalid, 2328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [338 Valid, 1990 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2021-11-25 18:16:01,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2186 states. [2021-11-25 18:16:01,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2186 to 1700. [2021-11-25 18:16:01,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1700 states, 982 states have (on average 1.1914460285132382) internal successors, (1170), 1038 states have internal predecessors, (1170), 497 states have call successors, (497), 206 states have call predecessors, (497), 205 states have return successors, (510), 486 states have call predecessors, (510), 495 states have call successors, (510) [2021-11-25 18:16:01,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1700 states and 2177 transitions. [2021-11-25 18:16:01,860 INFO L78 Accepts]: Start accepts. Automaton has 1700 states and 2177 transitions. Word has length 132 [2021-11-25 18:16:01,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:16:01,860 INFO L470 AbstractCegarLoop]: Abstraction has 1700 states and 2177 transitions. [2021-11-25 18:16:01,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 7 states have (on average 6.285714285714286) internal successors, (44), 9 states have internal predecessors, (44), 5 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (17), 5 states have call predecessors, (17), 5 states have call successors, (17) [2021-11-25 18:16:01,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 2177 transitions. [2021-11-25 18:16:01,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-25 18:16:01,864 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:16:01,864 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:16:01,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 18:16:02,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:16:02,087 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:16:02,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:16:02,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1951411581, now seen corresponding path program 1 times [2021-11-25 18:16:02,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:16:02,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928580732] [2021-11-25 18:16:02,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:16:02,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:16:02,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:16:02,237 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 18:16:02,238 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:16:02,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928580732] [2021-11-25 18:16:02,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928580732] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:16:02,238 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:16:02,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:16:02,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915303561] [2021-11-25 18:16:02,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:16:02,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:16:02,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:16:02,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:16:02,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:16:02,243 INFO L87 Difference]: Start difference. First operand 1700 states and 2177 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) [2021-11-25 18:16:03,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:16:03,616 INFO L93 Difference]: Finished difference Result 1700 states and 2177 transitions. [2021-11-25 18:16:03,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:16:03,616 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 [2021-11-25 18:16:03,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:16:03,626 INFO L225 Difference]: With dead ends: 1700 [2021-11-25 18:16:03,626 INFO L226 Difference]: Without dead ends: 1698 [2021-11-25 18:16:03,627 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:16:03,628 INFO L933 BasicCegarLoop]: 860 mSDtfsCounter, 992 mSDsluCounter, 1019 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 994 SdHoareTripleChecker+Valid, 1720 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:16:03,629 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [994 Valid, 1720 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-25 18:16:03,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1698 states. [2021-11-25 18:16:03,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1698 to 1698. [2021-11-25 18:16:03,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1698 states, 981 states have (on average 1.1896024464831805) internal successors, (1167), 1036 states have internal predecessors, (1167), 497 states have call successors, (497), 206 states have call predecessors, (497), 205 states have return successors, (510), 486 states have call predecessors, (510), 495 states have call successors, (510) [2021-11-25 18:16:03,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1698 states to 1698 states and 2174 transitions. [2021-11-25 18:16:03,869 INFO L78 Accepts]: Start accepts. Automaton has 1698 states and 2174 transitions. Word has length 110 [2021-11-25 18:16:03,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:16:03,869 INFO L470 AbstractCegarLoop]: Abstraction has 1698 states and 2174 transitions. [2021-11-25 18:16:03,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-25 18:16:03,870 INFO L276 IsEmpty]: Start isEmpty. Operand 1698 states and 2174 transitions. [2021-11-25 18:16:03,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-25 18:16:03,873 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:16:03,874 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:16:03,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-25 18:16:03,874 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_block_genhd_del_gendiskErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:16:03,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:16:03,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1606238707, now seen corresponding path program 1 times [2021-11-25 18:16:03,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:16:03,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999595501] [2021-11-25 18:16:03,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:16:03,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:16:04,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:16:04,203 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2021-11-25 18:16:04,203 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:16:04,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999595501] [2021-11-25 18:16:04,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999595501] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:16:04,204 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:16:04,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 18:16:04,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150644502] [2021-11-25 18:16:04,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:16:04,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-25 18:16:04,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:16:04,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-25 18:16:04,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-11-25 18:16:04,206 INFO L87 Difference]: Start difference. First operand 1698 states and 2174 transitions. Second operand has 11 states, 8 states have (on average 5.625) internal successors, (45), 10 states have internal predecessors, (45), 5 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (17), 5 states have call predecessors, (17), 5 states have call successors, (17) [2021-11-25 18:16:11,495 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:16:13,695 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:16:15,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:16:15,654 INFO L93 Difference]: Finished difference Result 4225 states and 5710 transitions. [2021-11-25 18:16:15,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-25 18:16:15,655 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 5.625) internal successors, (45), 10 states have internal predecessors, (45), 5 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (17), 5 states have call predecessors, (17), 5 states have call successors, (17) Word has length 134 [2021-11-25 18:16:15,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:16:15,667 INFO L225 Difference]: With dead ends: 4225 [2021-11-25 18:16:15,668 INFO L226 Difference]: Without dead ends: 2547 [2021-11-25 18:16:15,675 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2021-11-25 18:16:15,676 INFO L933 BasicCegarLoop]: 1378 mSDtfsCounter, 627 mSDsluCounter, 12979 mSDsCounter, 0 mSdLazyCounter, 2378 mSolverCounterSat, 693 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 633 SdHoareTripleChecker+Valid, 12637 SdHoareTripleChecker+Invalid, 3073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 693 IncrementalHoareTripleChecker+Valid, 2378 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:16:15,676 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [633 Valid, 12637 Invalid, 3073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [693 Valid, 2378 Invalid, 2 Unknown, 0 Unchecked, 10.9s Time] [2021-11-25 18:16:15,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2547 states. [2021-11-25 18:16:15,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2547 to 1717. [2021-11-25 18:16:15,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1717 states, 990 states have (on average 1.187878787878788) internal successors, (1176), 1044 states have internal predecessors, (1176), 507 states have call successors, (507), 206 states have call predecessors, (507), 205 states have return successors, (523), 497 states have call predecessors, (523), 505 states have call successors, (523) [2021-11-25 18:16:15,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1717 states to 1717 states and 2206 transitions. [2021-11-25 18:16:15,919 INFO L78 Accepts]: Start accepts. Automaton has 1717 states and 2206 transitions. Word has length 134 [2021-11-25 18:16:15,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:16:15,922 INFO L470 AbstractCegarLoop]: Abstraction has 1717 states and 2206 transitions. [2021-11-25 18:16:15,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 5.625) internal successors, (45), 10 states have internal predecessors, (45), 5 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (17), 5 states have call predecessors, (17), 5 states have call successors, (17) [2021-11-25 18:16:15,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1717 states and 2206 transitions. [2021-11-25 18:16:15,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-25 18:16:15,926 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:16:15,926 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:16:15,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-25 18:16:15,927 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:16:15,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:16:15,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1440836416, now seen corresponding path program 1 times [2021-11-25 18:16:15,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:16:15,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250341172] [2021-11-25 18:16:15,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:16:15,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:16:15,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:16:16,034 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 18:16:16,034 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:16:16,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250341172] [2021-11-25 18:16:16,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250341172] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:16:16,035 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:16:16,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:16:16,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176061499] [2021-11-25 18:16:16,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:16:16,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:16:16,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:16:16,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:16:16,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:16:16,037 INFO L87 Difference]: Start difference. First operand 1717 states and 2206 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) [2021-11-25 18:16:17,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:16:17,580 INFO L93 Difference]: Finished difference Result 1717 states and 2206 transitions. [2021-11-25 18:16:17,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:16:17,581 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 [2021-11-25 18:16:17,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:16:17,588 INFO L225 Difference]: With dead ends: 1717 [2021-11-25 18:16:17,589 INFO L226 Difference]: Without dead ends: 1715 [2021-11-25 18:16:17,590 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:16:17,591 INFO L933 BasicCegarLoop]: 858 mSDtfsCounter, 989 mSDsluCounter, 1017 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 991 SdHoareTripleChecker+Valid, 1716 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:16:17,592 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [991 Valid, 1716 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-25 18:16:17,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2021-11-25 18:16:17,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1715. [2021-11-25 18:16:17,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1715 states, 989 states have (on average 1.186046511627907) internal successors, (1173), 1042 states have internal predecessors, (1173), 507 states have call successors, (507), 206 states have call predecessors, (507), 205 states have return successors, (523), 497 states have call predecessors, (523), 505 states have call successors, (523) [2021-11-25 18:16:17,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 1715 states and 2203 transitions. [2021-11-25 18:16:17,871 INFO L78 Accepts]: Start accepts. Automaton has 1715 states and 2203 transitions. Word has length 115 [2021-11-25 18:16:17,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:16:17,871 INFO L470 AbstractCegarLoop]: Abstraction has 1715 states and 2203 transitions. [2021-11-25 18:16:17,871 INFO L471 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) [2021-11-25 18:16:17,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1715 states and 2203 transitions. [2021-11-25 18:16:17,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-25 18:16:17,876 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:16:17,876 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:16:17,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-25 18:16:17,876 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:16:17,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:16:17,877 INFO L85 PathProgramCache]: Analyzing trace with hash 2111674658, now seen corresponding path program 1 times [2021-11-25 18:16:17,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:16:17,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414545768] [2021-11-25 18:16:17,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:16:17,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:16:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:16:17,993 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 18:16:17,993 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:16:17,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414545768] [2021-11-25 18:16:17,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414545768] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:16:17,994 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:16:17,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:16:17,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822787890] [2021-11-25 18:16:17,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:16:17,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:16:17,995 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:16:17,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:16:17,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:16:17,996 INFO L87 Difference]: Start difference. First operand 1715 states and 2203 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) [2021-11-25 18:16:19,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:16:19,505 INFO L93 Difference]: Finished difference Result 1715 states and 2203 transitions. [2021-11-25 18:16:19,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:16:19,506 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 [2021-11-25 18:16:19,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:16:19,513 INFO L225 Difference]: With dead ends: 1715 [2021-11-25 18:16:19,513 INFO L226 Difference]: Without dead ends: 1713 [2021-11-25 18:16:19,515 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:16:19,516 INFO L933 BasicCegarLoop]: 856 mSDtfsCounter, 986 mSDsluCounter, 1015 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 988 SdHoareTripleChecker+Valid, 1712 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:16:19,516 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [988 Valid, 1712 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-25 18:16:19,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1713 states. [2021-11-25 18:16:19,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1713 to 1713. [2021-11-25 18:16:19,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1713 states, 988 states have (on average 1.1842105263157894) internal successors, (1170), 1040 states have internal predecessors, (1170), 507 states have call successors, (507), 206 states have call predecessors, (507), 205 states have return successors, (523), 497 states have call predecessors, (523), 505 states have call successors, (523) [2021-11-25 18:16:19,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1713 states and 2200 transitions. [2021-11-25 18:16:19,752 INFO L78 Accepts]: Start accepts. Automaton has 1713 states and 2200 transitions. Word has length 120 [2021-11-25 18:16:19,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:16:19,752 INFO L470 AbstractCegarLoop]: Abstraction has 1713 states and 2200 transitions. [2021-11-25 18:16:19,753 INFO L471 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) [2021-11-25 18:16:19,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 2200 transitions. [2021-11-25 18:16:19,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-25 18:16:19,758 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:16:19,759 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:16:19,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-25 18:16:19,761 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:16:19,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:16:19,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1613809332, now seen corresponding path program 1 times [2021-11-25 18:16:19,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:16:19,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480105376] [2021-11-25 18:16:19,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:16:19,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:16:19,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:16:19,866 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 18:16:19,866 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:16:19,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480105376] [2021-11-25 18:16:19,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480105376] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:16:19,867 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:16:19,867 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:16:19,867 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427870812] [2021-11-25 18:16:19,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:16:19,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:16:19,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:16:19,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:16:19,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:16:19,869 INFO L87 Difference]: Start difference. First operand 1713 states and 2200 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) [2021-11-25 18:16:21,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:16:21,200 INFO L93 Difference]: Finished difference Result 1713 states and 2200 transitions. [2021-11-25 18:16:21,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:16:21,202 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 [2021-11-25 18:16:21,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:16:21,210 INFO L225 Difference]: With dead ends: 1713 [2021-11-25 18:16:21,210 INFO L226 Difference]: Without dead ends: 1711 [2021-11-25 18:16:21,212 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:16:21,212 INFO L933 BasicCegarLoop]: 854 mSDtfsCounter, 983 mSDsluCounter, 1013 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 985 SdHoareTripleChecker+Valid, 1708 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:16:21,213 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [985 Valid, 1708 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-25 18:16:21,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1711 states. [2021-11-25 18:16:21,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1711 to 1711. [2021-11-25 18:16:21,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1711 states, 987 states have (on average 1.182370820668693) internal successors, (1167), 1038 states have internal predecessors, (1167), 507 states have call successors, (507), 206 states have call predecessors, (507), 205 states have return successors, (523), 497 states have call predecessors, (523), 505 states have call successors, (523) [2021-11-25 18:16:21,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1711 states to 1711 states and 2197 transitions. [2021-11-25 18:16:21,451 INFO L78 Accepts]: Start accepts. Automaton has 1711 states and 2197 transitions. Word has length 125 [2021-11-25 18:16:21,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:16:21,451 INFO L470 AbstractCegarLoop]: Abstraction has 1711 states and 2197 transitions. [2021-11-25 18:16:21,451 INFO L471 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) [2021-11-25 18:16:21,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1711 states and 2197 transitions. [2021-11-25 18:16:21,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-25 18:16:21,455 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:16:21,455 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1] [2021-11-25 18:16:21,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-25 18:16:21,456 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:16:21,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:16:21,456 INFO L85 PathProgramCache]: Analyzing trace with hash 157000332, now seen corresponding path program 1 times [2021-11-25 18:16:21,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:16:21,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294047026] [2021-11-25 18:16:21,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:16:21,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:16:21,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:16:21,594 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 18:16:21,594 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:16:21,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294047026] [2021-11-25 18:16:21,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294047026] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:16:21,595 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:16:21,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:16:21,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463932829] [2021-11-25 18:16:21,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:16:21,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:16:21,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:16:21,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:16:21,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:16:21,598 INFO L87 Difference]: Start difference. First operand 1711 states and 2197 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-25 18:16:24,774 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:16:25,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:16:25,389 INFO L93 Difference]: Finished difference Result 1711 states and 2197 transitions. [2021-11-25 18:16:25,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:16:25,390 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 130 [2021-11-25 18:16:25,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:16:25,396 INFO L225 Difference]: With dead ends: 1711 [2021-11-25 18:16:25,396 INFO L226 Difference]: Without dead ends: 1709 [2021-11-25 18:16:25,397 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:16:25,398 INFO L933 BasicCegarLoop]: 852 mSDtfsCounter, 980 mSDsluCounter, 1011 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 982 SdHoareTripleChecker+Valid, 1704 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:16:25,398 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [982 Valid, 1704 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 320 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2021-11-25 18:16:25,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1709 states. [2021-11-25 18:16:25,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1709 to 1709. [2021-11-25 18:16:25,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1709 states, 986 states have (on average 1.18052738336714) internal successors, (1164), 1036 states have internal predecessors, (1164), 507 states have call successors, (507), 206 states have call predecessors, (507), 205 states have return successors, (523), 497 states have call predecessors, (523), 505 states have call successors, (523) [2021-11-25 18:16:25,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1709 states to 1709 states and 2194 transitions. [2021-11-25 18:16:25,600 INFO L78 Accepts]: Start accepts. Automaton has 1709 states and 2194 transitions. Word has length 130 [2021-11-25 18:16:25,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:16:25,601 INFO L470 AbstractCegarLoop]: Abstraction has 1709 states and 2194 transitions. [2021-11-25 18:16:25,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-25 18:16:25,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1709 states and 2194 transitions. [2021-11-25 18:16:25,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-25 18:16:25,605 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:16:25,605 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 7, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:16:25,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-25 18:16:25,606 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:16:25,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:16:25,606 INFO L85 PathProgramCache]: Analyzing trace with hash 532088618, now seen corresponding path program 1 times [2021-11-25 18:16:25,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:16:25,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307735209] [2021-11-25 18:16:25,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:16:25,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:16:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:16:25,916 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2021-11-25 18:16:25,917 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:16:25,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307735209] [2021-11-25 18:16:25,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307735209] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:16:25,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [706496780] [2021-11-25 18:16:25,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:16:25,918 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:16:25,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:16:25,923 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:16:25,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 18:16:26,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:16:26,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 1634 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-25 18:16:26,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:16:26,924 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2021-11-25 18:16:26,925 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:16:26,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [706496780] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:16:26,925 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 18:16:26,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [11] total 14 [2021-11-25 18:16:26,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952202236] [2021-11-25 18:16:26,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:16:26,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-25 18:16:26,926 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:16:26,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-25 18:16:26,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-11-25 18:16:26,927 INFO L87 Difference]: Start difference. First operand 1709 states and 2194 transitions. Second operand has 11 states, 8 states have (on average 6.75) internal successors, (54), 10 states have internal predecessors, (54), 6 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2021-11-25 18:16:31,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:16:31,928 INFO L93 Difference]: Finished difference Result 2245 states and 2833 transitions. [2021-11-25 18:16:31,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-25 18:16:31,928 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 6.75) internal successors, (54), 10 states have internal predecessors, (54), 6 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) Word has length 157 [2021-11-25 18:16:31,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:16:31,934 INFO L225 Difference]: With dead ends: 2245 [2021-11-25 18:16:31,934 INFO L226 Difference]: Without dead ends: 1742 [2021-11-25 18:16:31,937 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2021-11-25 18:16:31,937 INFO L933 BasicCegarLoop]: 858 mSDtfsCounter, 21 mSDsluCounter, 9002 mSDsCounter, 0 mSdLazyCounter, 1838 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 8455 SdHoareTripleChecker+Invalid, 1934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 1838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2021-11-25 18:16:31,938 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 8455 Invalid, 1934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 1838 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2021-11-25 18:16:31,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1742 states. [2021-11-25 18:16:32,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1742 to 1718. [2021-11-25 18:16:32,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1718 states, 991 states have (on average 1.1796165489404642) internal successors, (1169), 1041 states have internal predecessors, (1169), 511 states have call successors, (511), 206 states have call predecessors, (511), 205 states have return successors, (527), 501 states have call predecessors, (527), 509 states have call successors, (527) [2021-11-25 18:16:32,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1718 states to 1718 states and 2207 transitions. [2021-11-25 18:16:32,243 INFO L78 Accepts]: Start accepts. Automaton has 1718 states and 2207 transitions. Word has length 157 [2021-11-25 18:16:32,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:16:32,244 INFO L470 AbstractCegarLoop]: Abstraction has 1718 states and 2207 transitions. [2021-11-25 18:16:32,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 6.75) internal successors, (54), 10 states have internal predecessors, (54), 6 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2021-11-25 18:16:32,244 INFO L276 IsEmpty]: Start isEmpty. Operand 1718 states and 2207 transitions. [2021-11-25 18:16:32,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-25 18:16:32,248 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:16:32,249 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:16:32,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 18:16:32,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-11-25 18:16:32,472 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:16:32,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:16:32,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1929643024, now seen corresponding path program 1 times [2021-11-25 18:16:32,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:16:32,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066893133] [2021-11-25 18:16:32,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:16:32,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:16:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:16:32,597 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 18:16:32,597 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:16:32,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066893133] [2021-11-25 18:16:32,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066893133] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:16:32,598 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:16:32,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:16:32,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436306598] [2021-11-25 18:16:32,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:16:32,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:16:32,600 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:16:32,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:16:32,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:16:32,601 INFO L87 Difference]: Start difference. First operand 1718 states and 2207 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-25 18:16:34,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:16:34,180 INFO L93 Difference]: Finished difference Result 1718 states and 2207 transitions. [2021-11-25 18:16:34,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:16:34,180 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 135 [2021-11-25 18:16:34,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:16:34,188 INFO L225 Difference]: With dead ends: 1718 [2021-11-25 18:16:34,188 INFO L226 Difference]: Without dead ends: 1500 [2021-11-25 18:16:34,190 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:16:34,191 INFO L933 BasicCegarLoop]: 851 mSDtfsCounter, 977 mSDsluCounter, 1011 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 977 SdHoareTripleChecker+Valid, 1702 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:16:34,191 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [977 Valid, 1702 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-25 18:16:34,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1500 states. [2021-11-25 18:16:34,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1500 to 1500. [2021-11-25 18:16:34,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1500 states, 872 states have (on average 1.1972477064220184) internal successors, (1044), 918 states have internal predecessors, (1044), 449 states have call successors, (449), 171 states have call predecessors, (449), 169 states have return successors, (464), 441 states have call predecessors, (464), 446 states have call successors, (464) [2021-11-25 18:16:34,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1500 states and 1957 transitions. [2021-11-25 18:16:34,469 INFO L78 Accepts]: Start accepts. Automaton has 1500 states and 1957 transitions. Word has length 135 [2021-11-25 18:16:34,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:16:34,470 INFO L470 AbstractCegarLoop]: Abstraction has 1500 states and 1957 transitions. [2021-11-25 18:16:34,470 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-25 18:16:34,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 1957 transitions. [2021-11-25 18:16:34,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-25 18:16:34,474 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:16:34,474 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 7, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:16:34,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-25 18:16:34,476 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:16:34,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:16:34,477 INFO L85 PathProgramCache]: Analyzing trace with hash 748851737, now seen corresponding path program 1 times [2021-11-25 18:16:34,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:16:34,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225512956] [2021-11-25 18:16:34,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:16:34,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:16:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:16:34,849 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2021-11-25 18:16:34,849 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:16:34,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225512956] [2021-11-25 18:16:34,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225512956] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:16:34,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [536907777] [2021-11-25 18:16:34,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:16:34,850 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:16:34,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:16:34,851 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:16:34,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 18:16:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:16:35,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 1665 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-25 18:16:35,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:16:35,894 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2021-11-25 18:16:35,894 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:16:35,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [536907777] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:16:35,895 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 18:16:35,895 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [12] total 14 [2021-11-25 18:16:35,895 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341212405] [2021-11-25 18:16:35,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:16:35,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:16:35,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:16:35,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:16:35,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2021-11-25 18:16:35,897 INFO L87 Difference]: Start difference. First operand 1500 states and 1957 transitions. Second operand has 12 states, 9 states have (on average 6.333333333333333) internal successors, (57), 11 states have internal predecessors, (57), 7 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) [2021-11-25 18:16:42,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:16:42,292 INFO L93 Difference]: Finished difference Result 1825 states and 2363 transitions. [2021-11-25 18:16:42,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-25 18:16:42,293 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 6.333333333333333) internal successors, (57), 11 states have internal predecessors, (57), 7 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) Word has length 162 [2021-11-25 18:16:42,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:16:42,299 INFO L225 Difference]: With dead ends: 1825 [2021-11-25 18:16:42,299 INFO L226 Difference]: Without dead ends: 1500 [2021-11-25 18:16:42,302 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 161 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2021-11-25 18:16:42,303 INFO L933 BasicCegarLoop]: 734 mSDtfsCounter, 17 mSDsluCounter, 8688 mSDsCounter, 0 mSdLazyCounter, 1829 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 8021 SdHoareTripleChecker+Invalid, 1849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1829 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:16:42,304 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 8021 Invalid, 1849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1829 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2021-11-25 18:16:42,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1500 states. [2021-11-25 18:16:42,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1500 to 1500. [2021-11-25 18:16:42,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1500 states, 872 states have (on average 1.1961009174311927) internal successors, (1043), 917 states have internal predecessors, (1043), 449 states have call successors, (449), 171 states have call predecessors, (449), 169 states have return successors, (464), 441 states have call predecessors, (464), 446 states have call successors, (464) [2021-11-25 18:16:42,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1500 states and 1956 transitions. [2021-11-25 18:16:42,564 INFO L78 Accepts]: Start accepts. Automaton has 1500 states and 1956 transitions. Word has length 162 [2021-11-25 18:16:42,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:16:42,564 INFO L470 AbstractCegarLoop]: Abstraction has 1500 states and 1956 transitions. [2021-11-25 18:16:42,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 6.333333333333333) internal successors, (57), 11 states have internal predecessors, (57), 7 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) [2021-11-25 18:16:42,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 1956 transitions. [2021-11-25 18:16:42,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-11-25 18:16:42,568 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:16:42,568 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 8, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:16:42,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 18:16:42,789 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-11-25 18:16:42,789 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:16:42,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:16:42,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1165984503, now seen corresponding path program 1 times [2021-11-25 18:16:42,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:16:42,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13267038] [2021-11-25 18:16:42,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:16:42,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:16:42,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:16:43,055 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2021-11-25 18:16:43,055 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:16:43,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13267038] [2021-11-25 18:16:43,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13267038] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:16:43,056 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:16:43,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-25 18:16:43,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440502139] [2021-11-25 18:16:43,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:16:43,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-25 18:16:43,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:16:43,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-25 18:16:43,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-25 18:16:43,058 INFO L87 Difference]: Start difference. First operand 1500 states and 1956 transitions. Second operand has 7 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 3 states have call successors, (28), 1 states have call predecessors, (28), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-11-25 18:16:46,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:16:46,166 INFO L93 Difference]: Finished difference Result 2100 states and 2697 transitions. [2021-11-25 18:16:46,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 18:16:46,167 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 3 states have call successors, (28), 1 states have call predecessors, (28), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 170 [2021-11-25 18:16:46,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:16:46,174 INFO L225 Difference]: With dead ends: 2100 [2021-11-25 18:16:46,174 INFO L226 Difference]: Without dead ends: 1512 [2021-11-25 18:16:46,177 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-25 18:16:46,177 INFO L933 BasicCegarLoop]: 732 mSDtfsCounter, 1 mSDsluCounter, 4338 mSDsCounter, 0 mSdLazyCounter, 992 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 4356 SdHoareTripleChecker+Invalid, 992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 992 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:16:46,178 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 4356 Invalid, 992 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 992 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-25 18:16:46,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1512 states. [2021-11-25 18:16:46,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1512 to 1508. [2021-11-25 18:16:46,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1508 states, 876 states have (on average 1.1952054794520548) internal successors, (1047), 925 states have internal predecessors, (1047), 449 states have call successors, (449), 171 states have call predecessors, (449), 173 states have return successors, (475), 441 states have call predecessors, (475), 446 states have call successors, (475) [2021-11-25 18:16:46,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 1508 states and 1971 transitions. [2021-11-25 18:16:46,419 INFO L78 Accepts]: Start accepts. Automaton has 1508 states and 1971 transitions. Word has length 170 [2021-11-25 18:16:46,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:16:46,420 INFO L470 AbstractCegarLoop]: Abstraction has 1508 states and 1971 transitions. [2021-11-25 18:16:46,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 3 states have call successors, (28), 1 states have call predecessors, (28), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-11-25 18:16:46,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1508 states and 1971 transitions. [2021-11-25 18:16:46,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-11-25 18:16:46,423 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:16:46,423 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 8, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:16:46,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-25 18:16:46,424 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:16:46,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:16:46,424 INFO L85 PathProgramCache]: Analyzing trace with hash 205768644, now seen corresponding path program 1 times [2021-11-25 18:16:46,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:16:46,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634151417] [2021-11-25 18:16:46,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:16:46,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:16:46,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:16:47,133 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 30 proven. 3 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2021-11-25 18:16:47,134 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:16:47,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634151417] [2021-11-25 18:16:47,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634151417] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:16:47,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1050196988] [2021-11-25 18:16:47,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:16:47,134 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:16:47,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:16:47,135 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:16:47,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 18:16:47,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:16:47,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 1776 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-25 18:16:47,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:16:48,123 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2021-11-25 18:16:48,123 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:16:48,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1050196988] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:16:48,124 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 18:16:48,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [16] total 19 [2021-11-25 18:16:48,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947108128] [2021-11-25 18:16:48,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:16:48,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-25 18:16:48,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:16:48,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-25 18:16:48,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2021-11-25 18:16:48,126 INFO L87 Difference]: Start difference. First operand 1508 states and 1971 transitions. Second operand has 7 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-25 18:16:50,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:16:50,975 INFO L93 Difference]: Finished difference Result 2181 states and 2925 transitions. [2021-11-25 18:16:50,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 18:16:50,976 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 183 [2021-11-25 18:16:50,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:16:50,983 INFO L225 Difference]: With dead ends: 2181 [2021-11-25 18:16:50,983 INFO L226 Difference]: Without dead ends: 1846 [2021-11-25 18:16:50,985 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=54, Invalid=408, Unknown=0, NotChecked=0, Total=462 [2021-11-25 18:16:50,986 INFO L933 BasicCegarLoop]: 811 mSDtfsCounter, 210 mSDsluCounter, 4668 mSDsCounter, 0 mSdLazyCounter, 1048 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 4743 SdHoareTripleChecker+Invalid, 1169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 1048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:16:50,986 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [252 Valid, 4743 Invalid, 1169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 1048 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-25 18:16:50,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1846 states. [2021-11-25 18:16:51,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1846 to 1510. [2021-11-25 18:16:51,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1510 states, 878 states have (on average 1.1947608200455582) internal successors, (1049), 927 states have internal predecessors, (1049), 449 states have call successors, (449), 171 states have call predecessors, (449), 173 states have return successors, (475), 441 states have call predecessors, (475), 446 states have call successors, (475) [2021-11-25 18:16:51,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1510 states and 1973 transitions. [2021-11-25 18:16:51,209 INFO L78 Accepts]: Start accepts. Automaton has 1510 states and 1973 transitions. Word has length 183 [2021-11-25 18:16:51,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:16:51,210 INFO L470 AbstractCegarLoop]: Abstraction has 1510 states and 1973 transitions. [2021-11-25 18:16:51,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-25 18:16:51,210 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 1973 transitions. [2021-11-25 18:16:51,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-11-25 18:16:51,214 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:16:51,214 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 8, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:16:51,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-25 18:16:51,430 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:16:51,431 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:16:51,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:16:51,431 INFO L85 PathProgramCache]: Analyzing trace with hash -91656930, now seen corresponding path program 1 times [2021-11-25 18:16:51,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:16:51,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321391108] [2021-11-25 18:16:51,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:16:51,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:16:51,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:16:51,900 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2021-11-25 18:16:51,900 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:16:51,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321391108] [2021-11-25 18:16:51,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321391108] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:16:51,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [918616667] [2021-11-25 18:16:51,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:16:51,901 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:16:51,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:16:51,902 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:16:51,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-25 18:16:52,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:16:52,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 1801 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-25 18:16:52,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:16:53,167 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2021-11-25 18:16:53,167 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:16:53,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [918616667] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:16:53,167 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 18:16:53,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [13] total 16 [2021-11-25 18:16:53,168 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318325236] [2021-11-25 18:16:53,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:16:53,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:16:53,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:16:53,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:16:53,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2021-11-25 18:16:53,169 INFO L87 Difference]: Start difference. First operand 1510 states and 1973 transitions. Second operand has 12 states, 9 states have (on average 7.333333333333333) internal successors, (66), 11 states have internal predecessors, (66), 7 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (33), 7 states have call predecessors, (33), 7 states have call successors, (33) [2021-11-25 18:16:58,552 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:17:01,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:17:01,031 INFO L93 Difference]: Finished difference Result 2174 states and 2805 transitions. [2021-11-25 18:17:01,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-25 18:17:01,031 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 7.333333333333333) internal successors, (66), 11 states have internal predecessors, (66), 7 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (33), 7 states have call predecessors, (33), 7 states have call successors, (33) Word has length 190 [2021-11-25 18:17:01,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:17:01,038 INFO L225 Difference]: With dead ends: 2174 [2021-11-25 18:17:01,039 INFO L226 Difference]: Without dead ends: 1514 [2021-11-25 18:17:01,044 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 188 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=72, Invalid=390, Unknown=0, NotChecked=0, Total=462 [2021-11-25 18:17:01,045 INFO L933 BasicCegarLoop]: 738 mSDtfsCounter, 28 mSDsluCounter, 8709 mSDsCounter, 0 mSdLazyCounter, 1849 mSolverCounterSat, 32 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 8046 SdHoareTripleChecker+Invalid, 1882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1849 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:17:01,045 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 8046 Invalid, 1882 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1849 Invalid, 1 Unknown, 0 Unchecked, 7.5s Time] [2021-11-25 18:17:01,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1514 states. [2021-11-25 18:17:01,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1514 to 1508. [2021-11-25 18:17:01,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1508 states, 877 states have (on average 1.1927023945267958) internal successors, (1046), 926 states have internal predecessors, (1046), 450 states have call successors, (450), 169 states have call predecessors, (450), 171 states have return successors, (476), 442 states have call predecessors, (476), 447 states have call successors, (476) [2021-11-25 18:17:01,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 1508 states and 1972 transitions. [2021-11-25 18:17:01,297 INFO L78 Accepts]: Start accepts. Automaton has 1508 states and 1972 transitions. Word has length 190 [2021-11-25 18:17:01,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:17:01,297 INFO L470 AbstractCegarLoop]: Abstraction has 1508 states and 1972 transitions. [2021-11-25 18:17:01,298 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 7.333333333333333) internal successors, (66), 11 states have internal predecessors, (66), 7 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (33), 7 states have call predecessors, (33), 7 states have call successors, (33) [2021-11-25 18:17:01,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1508 states and 1972 transitions. [2021-11-25 18:17:01,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-11-25 18:17:01,301 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:17:01,301 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:17:01,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-25 18:17:01,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:17:01,527 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:17:01,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:17:01,527 INFO L85 PathProgramCache]: Analyzing trace with hash -248238889, now seen corresponding path program 1 times [2021-11-25 18:17:01,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:17:01,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035130063] [2021-11-25 18:17:01,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:17:01,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:17:01,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:17:01,781 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2021-11-25 18:17:01,781 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:17:01,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035130063] [2021-11-25 18:17:01,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035130063] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:17:01,782 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:17:01,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:17:01,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491207277] [2021-11-25 18:17:01,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:17:01,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:17:01,783 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:17:01,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:17:01,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:17:01,784 INFO L87 Difference]: Start difference. First operand 1508 states and 1972 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-25 18:17:04,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:17:04,462 INFO L93 Difference]: Finished difference Result 1960 states and 2668 transitions. [2021-11-25 18:17:04,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 18:17:04,463 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 202 [2021-11-25 18:17:04,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:17:04,473 INFO L225 Difference]: With dead ends: 1960 [2021-11-25 18:17:04,473 INFO L226 Difference]: Without dead ends: 1958 [2021-11-25 18:17:04,475 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:17:04,476 INFO L933 BasicCegarLoop]: 1376 mSDtfsCounter, 972 mSDsluCounter, 2151 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1079 SdHoareTripleChecker+Valid, 3226 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:17:04,476 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1079 Valid, 3226 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 631 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-25 18:17:04,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1958 states. [2021-11-25 18:17:04,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1958 to 1510. [2021-11-25 18:17:04,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1510 states, 879 states have (on average 1.19226393629124) internal successors, (1048), 927 states have internal predecessors, (1048), 450 states have call successors, (450), 169 states have call predecessors, (450), 171 states have return successors, (476), 443 states have call predecessors, (476), 447 states have call successors, (476) [2021-11-25 18:17:04,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1510 states and 1974 transitions. [2021-11-25 18:17:04,802 INFO L78 Accepts]: Start accepts. Automaton has 1510 states and 1974 transitions. Word has length 202 [2021-11-25 18:17:04,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:17:04,803 INFO L470 AbstractCegarLoop]: Abstraction has 1510 states and 1974 transitions. [2021-11-25 18:17:04,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-25 18:17:04,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 1974 transitions. [2021-11-25 18:17:04,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-11-25 18:17:04,807 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:17:04,807 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:17:04,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-11-25 18:17:04,808 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_linux_block_genhd_put_diskErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:17:04,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:17:04,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1159833639, now seen corresponding path program 1 times [2021-11-25 18:17:04,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:17:04,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196907174] [2021-11-25 18:17:04,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:17:04,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:17:04,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:17:05,049 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2021-11-25 18:17:05,049 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:17:05,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196907174] [2021-11-25 18:17:05,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196907174] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:17:05,050 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:17:05,050 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-25 18:17:05,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403178509] [2021-11-25 18:17:05,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:17:05,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 18:17:05,051 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:17:05,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 18:17:05,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-25 18:17:05,052 INFO L87 Difference]: Start difference. First operand 1510 states and 1974 transitions. Second operand has 6 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-25 18:17:07,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:17:07,652 INFO L93 Difference]: Finished difference Result 3382 states and 4526 transitions. [2021-11-25 18:17:07,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 18:17:07,653 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 213 [2021-11-25 18:17:07,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:17:07,660 INFO L225 Difference]: With dead ends: 3382 [2021-11-25 18:17:07,661 INFO L226 Difference]: Without dead ends: 1892 [2021-11-25 18:17:07,668 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-25 18:17:07,668 INFO L933 BasicCegarLoop]: 897 mSDtfsCounter, 106 mSDsluCounter, 4063 mSDsCounter, 0 mSdLazyCounter, 833 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 4344 SdHoareTripleChecker+Invalid, 836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 833 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:17:07,669 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [177 Valid, 4344 Invalid, 836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 833 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-25 18:17:07,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1892 states. [2021-11-25 18:17:07,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1892 to 1518. [2021-11-25 18:17:07,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1518 states, 885 states have (on average 1.190960451977401) internal successors, (1054), 933 states have internal predecessors, (1054), 450 states have call successors, (450), 169 states have call predecessors, (450), 173 states have return successors, (480), 445 states have call predecessors, (480), 447 states have call successors, (480) [2021-11-25 18:17:07,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 1518 states and 1984 transitions. [2021-11-25 18:17:07,921 INFO L78 Accepts]: Start accepts. Automaton has 1518 states and 1984 transitions. Word has length 213 [2021-11-25 18:17:07,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:17:07,922 INFO L470 AbstractCegarLoop]: Abstraction has 1518 states and 1984 transitions. [2021-11-25 18:17:07,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-25 18:17:07,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 1984 transitions. [2021-11-25 18:17:07,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-11-25 18:17:07,925 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:17:07,926 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:17:07,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-11-25 18:17:07,926 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_linux_block_genhd_del_gendiskErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:17:07,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:17:07,927 INFO L85 PathProgramCache]: Analyzing trace with hash 541630790, now seen corresponding path program 1 times [2021-11-25 18:17:07,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:17:07,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073226366] [2021-11-25 18:17:07,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:17:07,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:17:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:17:08,229 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2021-11-25 18:17:08,229 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:17:08,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073226366] [2021-11-25 18:17:08,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073226366] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:17:08,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1860842274] [2021-11-25 18:17:08,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:17:08,230 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:17:08,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:17:08,231 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:17:08,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-25 18:17:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:17:08,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 2138 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-25 18:17:08,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:17:09,458 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2021-11-25 18:17:09,458 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:17:09,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1860842274] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:17:09,459 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 18:17:09,459 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [8] total 20 [2021-11-25 18:17:09,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797531058] [2021-11-25 18:17:09,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:17:09,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 18:17:09,460 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:17:09,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 18:17:09,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=343, Unknown=0, NotChecked=0, Total=380 [2021-11-25 18:17:09,461 INFO L87 Difference]: Start difference. First operand 1518 states and 1984 transitions. Second operand has 14 states, 10 states have (on average 8.0) internal successors, (80), 12 states have internal predecessors, (80), 6 states have call successors, (32), 2 states have call predecessors, (32), 5 states have return successors, (30), 7 states have call predecessors, (30), 6 states have call successors, (30) [2021-11-25 18:17:16,908 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:17:22,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:17:22,624 INFO L93 Difference]: Finished difference Result 3788 states and 5153 transitions. [2021-11-25 18:17:22,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-25 18:17:22,624 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 10 states have (on average 8.0) internal successors, (80), 12 states have internal predecessors, (80), 6 states have call successors, (32), 2 states have call predecessors, (32), 5 states have return successors, (30), 7 states have call predecessors, (30), 6 states have call successors, (30) Word has length 226 [2021-11-25 18:17:22,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:17:22,634 INFO L225 Difference]: With dead ends: 3788 [2021-11-25 18:17:22,634 INFO L226 Difference]: Without dead ends: 2288 [2021-11-25 18:17:22,643 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=106, Invalid=824, Unknown=0, NotChecked=0, Total=930 [2021-11-25 18:17:22,644 INFO L933 BasicCegarLoop]: 1172 mSDtfsCounter, 537 mSDsluCounter, 15249 mSDsCounter, 0 mSdLazyCounter, 3004 mSolverCounterSat, 456 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 541 SdHoareTripleChecker+Valid, 14243 SdHoareTripleChecker+Invalid, 3461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 456 IncrementalHoareTripleChecker+Valid, 3004 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:17:22,644 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [541 Valid, 14243 Invalid, 3461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [456 Valid, 3004 Invalid, 1 Unknown, 0 Unchecked, 12.5s Time] [2021-11-25 18:17:22,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2288 states. [2021-11-25 18:17:22,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2288 to 1518. [2021-11-25 18:17:22,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1518 states, 885 states have (on average 1.190960451977401) internal successors, (1054), 933 states have internal predecessors, (1054), 450 states have call successors, (450), 169 states have call predecessors, (450), 173 states have return successors, (480), 445 states have call predecessors, (480), 447 states have call successors, (480) [2021-11-25 18:17:22,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 1518 states and 1984 transitions. [2021-11-25 18:17:22,901 INFO L78 Accepts]: Start accepts. Automaton has 1518 states and 1984 transitions. Word has length 226 [2021-11-25 18:17:22,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:17:22,902 INFO L470 AbstractCegarLoop]: Abstraction has 1518 states and 1984 transitions. [2021-11-25 18:17:22,902 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 10 states have (on average 8.0) internal successors, (80), 12 states have internal predecessors, (80), 6 states have call successors, (32), 2 states have call predecessors, (32), 5 states have return successors, (30), 7 states have call predecessors, (30), 6 states have call successors, (30) [2021-11-25 18:17:22,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 1984 transitions. [2021-11-25 18:17:22,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-11-25 18:17:22,906 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:17:22,907 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 7, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:17:22,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-25 18:17:23,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-11-25 18:17:23,133 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_linux_block_genhd_put_diskErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:17:23,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:17:23,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1051051382, now seen corresponding path program 1 times [2021-11-25 18:17:23,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:17:23,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113552946] [2021-11-25 18:17:23,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:17:23,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:17:23,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:17:23,348 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2021-11-25 18:17:23,348 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:17:23,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113552946] [2021-11-25 18:17:23,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113552946] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:17:23,349 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:17:23,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:17:23,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402890970] [2021-11-25 18:17:23,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:17:23,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:17:23,351 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:17:23,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:17:23,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:17:23,352 INFO L87 Difference]: Start difference. First operand 1518 states and 1984 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-11-25 18:17:25,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:17:25,461 INFO L93 Difference]: Finished difference Result 3082 states and 4055 transitions. [2021-11-25 18:17:25,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 18:17:25,461 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), 3 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 244 [2021-11-25 18:17:25,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:17:25,465 INFO L225 Difference]: With dead ends: 3082 [2021-11-25 18:17:25,466 INFO L226 Difference]: Without dead ends: 1584 [2021-11-25 18:17:25,472 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:17:25,473 INFO L933 BasicCegarLoop]: 755 mSDtfsCounter, 38 mSDsluCounter, 1768 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 2240 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:17:25,473 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 2240 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-25 18:17:25,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1584 states. [2021-11-25 18:17:25,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1584 to 1550. [2021-11-25 18:17:25,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1550 states, 905 states have (on average 1.1955801104972377) internal successors, (1082), 957 states have internal predecessors, (1082), 462 states have call successors, (462), 169 states have call predecessors, (462), 173 states have return successors, (492), 457 states have call predecessors, (492), 459 states have call successors, (492) [2021-11-25 18:17:25,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1550 states and 2036 transitions. [2021-11-25 18:17:25,691 INFO L78 Accepts]: Start accepts. Automaton has 1550 states and 2036 transitions. Word has length 244 [2021-11-25 18:17:25,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:17:25,691 INFO L470 AbstractCegarLoop]: Abstraction has 1550 states and 2036 transitions. [2021-11-25 18:17:25,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-11-25 18:17:25,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 2036 transitions. [2021-11-25 18:17:25,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-11-25 18:17:25,695 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:17:25,696 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 7, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:17:25,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-11-25 18:17:25,696 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_linux_block_genhd_put_diskErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:17:25,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:17:25,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1281125141, now seen corresponding path program 1 times [2021-11-25 18:17:25,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:17:25,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229084581] [2021-11-25 18:17:25,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:17:25,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:17:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:17:25,925 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2021-11-25 18:17:25,925 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:17:25,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229084581] [2021-11-25 18:17:25,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229084581] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:17:25,926 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:17:25,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-25 18:17:25,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321602001] [2021-11-25 18:17:25,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:17:25,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-25 18:17:25,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:17:25,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-25 18:17:25,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-25 18:17:25,927 INFO L87 Difference]: Start difference. First operand 1550 states and 2036 transitions. Second operand has 7 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 4 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-25 18:17:30,418 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:17:31,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:17:31,213 INFO L93 Difference]: Finished difference Result 3492 states and 4708 transitions. [2021-11-25 18:17:31,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-25 18:17:31,214 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 4 states have call predecessors, (26), 3 states have call successors, (26) Word has length 248 [2021-11-25 18:17:31,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:17:31,220 INFO L225 Difference]: With dead ends: 3492 [2021-11-25 18:17:31,220 INFO L226 Difference]: Without dead ends: 1962 [2021-11-25 18:17:31,225 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-11-25 18:17:31,226 INFO L933 BasicCegarLoop]: 909 mSDtfsCounter, 141 mSDsluCounter, 5159 mSDsCounter, 0 mSdLazyCounter, 1006 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 5295 SdHoareTripleChecker+Invalid, 1023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1006 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:17:31,227 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [217 Valid, 5295 Invalid, 1023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1006 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2021-11-25 18:17:31,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2021-11-25 18:17:31,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1562. [2021-11-25 18:17:31,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1562 states, 913 states have (on average 1.1938663745892661) internal successors, (1090), 965 states have internal predecessors, (1090), 464 states have call successors, (464), 169 states have call predecessors, (464), 175 states have return successors, (498), 461 states have call predecessors, (498), 461 states have call successors, (498) [2021-11-25 18:17:31,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1562 states and 2052 transitions. [2021-11-25 18:17:31,419 INFO L78 Accepts]: Start accepts. Automaton has 1562 states and 2052 transitions. Word has length 248 [2021-11-25 18:17:31,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:17:31,420 INFO L470 AbstractCegarLoop]: Abstraction has 1562 states and 2052 transitions. [2021-11-25 18:17:31,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 4 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-25 18:17:31,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1562 states and 2052 transitions. [2021-11-25 18:17:31,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2021-11-25 18:17:31,424 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:17:31,424 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:17:31,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-11-25 18:17:31,425 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_linux_block_genhd_del_gendiskErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:17:31,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:17:31,425 INFO L85 PathProgramCache]: Analyzing trace with hash 172405108, now seen corresponding path program 1 times [2021-11-25 18:17:31,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:17:31,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964904626] [2021-11-25 18:17:31,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:17:31,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:17:31,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:17:31,723 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2021-11-25 18:17:31,723 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:17:31,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964904626] [2021-11-25 18:17:31,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964904626] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:17:31,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1741213234] [2021-11-25 18:17:31,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:17:31,724 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:17:31,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:17:31,727 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:17:31,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-25 18:17:32,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:17:32,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 2266 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-25 18:17:32,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:17:33,377 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2021-11-25 18:17:33,378 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:17:33,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1741213234] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:17:33,378 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 18:17:33,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [8] total 21 [2021-11-25 18:17:33,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918649394] [2021-11-25 18:17:33,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:17:33,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-25 18:17:33,379 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:17:33,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-25 18:17:33,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2021-11-25 18:17:33,380 INFO L87 Difference]: Start difference. First operand 1562 states and 2052 transitions. Second operand has 15 states, 11 states have (on average 7.636363636363637) internal successors, (84), 13 states have internal predecessors, (84), 7 states have call successors, (34), 2 states have call predecessors, (34), 5 states have return successors, (32), 8 states have call predecessors, (32), 7 states have call successors, (32) [2021-11-25 18:17:45,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:17:45,548 INFO L93 Difference]: Finished difference Result 3906 states and 5345 transitions. [2021-11-25 18:17:45,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-25 18:17:45,549 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 11 states have (on average 7.636363636363637) internal successors, (84), 13 states have internal predecessors, (84), 7 states have call successors, (34), 2 states have call predecessors, (34), 5 states have return successors, (32), 8 states have call predecessors, (32), 7 states have call successors, (32) Word has length 261 [2021-11-25 18:17:45,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:17:45,555 INFO L225 Difference]: With dead ends: 3906 [2021-11-25 18:17:45,555 INFO L226 Difference]: Without dead ends: 2362 [2021-11-25 18:17:45,559 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=119, Invalid=1003, Unknown=0, NotChecked=0, Total=1122 [2021-11-25 18:17:45,560 INFO L933 BasicCegarLoop]: 1187 mSDtfsCounter, 572 mSDsluCounter, 16789 mSDsCounter, 0 mSdLazyCounter, 3274 mSolverCounterSat, 471 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 15605 SdHoareTripleChecker+Invalid, 3745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 471 IncrementalHoareTripleChecker+Valid, 3274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:17:45,560 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [580 Valid, 15605 Invalid, 3745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [471 Valid, 3274 Invalid, 0 Unknown, 0 Unchecked, 11.4s Time] [2021-11-25 18:17:45,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2021-11-25 18:17:45,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 1554. [2021-11-25 18:17:45,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1554 states, 907 states have (on average 1.195148842337376) internal successors, (1084), 959 states have internal predecessors, (1084), 464 states have call successors, (464), 169 states have call predecessors, (464), 173 states have return successors, (494), 459 states have call predecessors, (494), 461 states have call successors, (494) [2021-11-25 18:17:45,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 1554 states and 2042 transitions. [2021-11-25 18:17:45,769 INFO L78 Accepts]: Start accepts. Automaton has 1554 states and 2042 transitions. Word has length 261 [2021-11-25 18:17:45,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:17:45,770 INFO L470 AbstractCegarLoop]: Abstraction has 1554 states and 2042 transitions. [2021-11-25 18:17:45,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 11 states have (on average 7.636363636363637) internal successors, (84), 13 states have internal predecessors, (84), 7 states have call successors, (34), 2 states have call predecessors, (34), 5 states have return successors, (32), 8 states have call predecessors, (32), 7 states have call successors, (32) [2021-11-25 18:17:45,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states and 2042 transitions. [2021-11-25 18:17:45,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2021-11-25 18:17:45,774 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:17:45,774 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 7, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:17:45,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-25 18:17:46,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-11-25 18:17:46,003 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ldv_linux_block_genhd_put_diskErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:17:46,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:17:46,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1453831777, now seen corresponding path program 1 times [2021-11-25 18:17:46,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:17:46,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244657370] [2021-11-25 18:17:46,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:17:46,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:17:46,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:17:46,349 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2021-11-25 18:17:46,349 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:17:46,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244657370] [2021-11-25 18:17:46,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244657370] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:17:46,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133997853] [2021-11-25 18:17:46,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:17:46,350 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:17:46,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:17:46,355 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:17:46,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-25 18:17:47,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:17:47,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 2451 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 18:17:47,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:17:48,178 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2021-11-25 18:17:48,178 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:17:48,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2133997853] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:17:48,178 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 18:17:48,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 9 [2021-11-25 18:17:48,179 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959631417] [2021-11-25 18:17:48,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:17:48,180 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:17:48,180 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:17:48,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:17:48,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-25 18:17:48,181 INFO L87 Difference]: Start difference. First operand 1554 states and 2042 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 2 states have internal predecessors, (78), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2021-11-25 18:17:50,376 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 18:17:52,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:17:52,213 INFO L93 Difference]: Finished difference Result 4493 states and 5873 transitions. [2021-11-25 18:17:52,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:17:52,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 2 states have internal predecessors, (78), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 261 [2021-11-25 18:17:52,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:17:52,222 INFO L225 Difference]: With dead ends: 4493 [2021-11-25 18:17:52,222 INFO L226 Difference]: Without dead ends: 2959 [2021-11-25 18:17:52,227 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-25 18:17:52,228 INFO L933 BasicCegarLoop]: 923 mSDtfsCounter, 597 mSDsluCounter, 855 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 597 SdHoareTripleChecker+Valid, 1640 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:17:52,228 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [597 Valid, 1640 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 291 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2021-11-25 18:17:52,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2959 states. [2021-11-25 18:17:52,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2959 to 2885. [2021-11-25 18:17:52,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2885 states, 1677 states have (on average 1.1967799642218246) internal successors, (2007), 1770 states have internal predecessors, (2007), 864 states have call successors, (864), 324 states have call predecessors, (864), 334 states have return successors, (921), 856 states have call predecessors, (921), 861 states have call successors, (921) [2021-11-25 18:17:52,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2885 states to 2885 states and 3792 transitions. [2021-11-25 18:17:52,620 INFO L78 Accepts]: Start accepts. Automaton has 2885 states and 3792 transitions. Word has length 261 [2021-11-25 18:17:52,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:17:52,620 INFO L470 AbstractCegarLoop]: Abstraction has 2885 states and 3792 transitions. [2021-11-25 18:17:52,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 2 states have internal predecessors, (78), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2021-11-25 18:17:52,621 INFO L276 IsEmpty]: Start isEmpty. Operand 2885 states and 3792 transitions. [2021-11-25 18:17:52,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-11-25 18:17:52,625 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:17:52,626 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 7, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:17:52,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-25 18:17:52,838 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:17:52,839 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ldv_linux_block_genhd_del_gendiskErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:17:52,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:17:52,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1434682222, now seen corresponding path program 1 times [2021-11-25 18:17:52,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:17:52,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136184806] [2021-11-25 18:17:52,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:17:52,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:17:52,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:17:53,170 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2021-11-25 18:17:53,170 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:17:53,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136184806] [2021-11-25 18:17:53,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136184806] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:17:53,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125263157] [2021-11-25 18:17:53,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:17:53,171 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:17:53,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:17:53,172 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:17:53,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-25 18:17:54,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:17:54,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 2444 conjuncts, 65 conjunts are in the unsatisfiable core [2021-11-25 18:17:54,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:17:55,067 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2021-11-25 18:17:55,067 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:17:55,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1125263157] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:17:55,067 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 18:17:55,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 10 [2021-11-25 18:17:55,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528170950] [2021-11-25 18:17:55,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:17:55,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-25 18:17:55,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:17:55,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-25 18:17:55,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-11-25 18:17:55,069 INFO L87 Difference]: Start difference. First operand 2885 states and 3792 transitions. Second operand has 9 states, 8 states have (on average 11.875) internal successors, (95), 6 states have internal predecessors, (95), 3 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (34), 6 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-25 18:17:59,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:17:59,099 INFO L93 Difference]: Finished difference Result 5794 states and 7659 transitions. [2021-11-25 18:17:59,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-25 18:17:59,100 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.875) internal successors, (95), 6 states have internal predecessors, (95), 3 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (34), 6 states have call predecessors, (34), 3 states have call successors, (34) Word has length 266 [2021-11-25 18:17:59,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:17:59,109 INFO L225 Difference]: With dead ends: 5794 [2021-11-25 18:17:59,110 INFO L226 Difference]: Without dead ends: 2929 [2021-11-25 18:17:59,118 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-11-25 18:17:59,119 INFO L933 BasicCegarLoop]: 746 mSDtfsCounter, 1 mSDsluCounter, 6213 mSDsCounter, 0 mSdLazyCounter, 1190 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5958 SdHoareTripleChecker+Invalid, 1190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:17:59,119 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 5958 Invalid, 1190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1190 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-11-25 18:17:59,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2929 states. [2021-11-25 18:17:59,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2929 to 2909. [2021-11-25 18:17:59,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2909 states, 1693 states have (on average 1.19492025989368) internal successors, (2023), 1782 states have internal predecessors, (2023), 868 states have call successors, (868), 324 states have call predecessors, (868), 338 states have return successors, (961), 868 states have call predecessors, (961), 865 states have call successors, (961) [2021-11-25 18:17:59,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2909 states to 2909 states and 3852 transitions. [2021-11-25 18:17:59,553 INFO L78 Accepts]: Start accepts. Automaton has 2909 states and 3852 transitions. Word has length 266 [2021-11-25 18:17:59,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:17:59,553 INFO L470 AbstractCegarLoop]: Abstraction has 2909 states and 3852 transitions. [2021-11-25 18:17:59,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.875) internal successors, (95), 6 states have internal predecessors, (95), 3 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (34), 6 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-25 18:17:59,554 INFO L276 IsEmpty]: Start isEmpty. Operand 2909 states and 3852 transitions. [2021-11-25 18:17:59,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2021-11-25 18:17:59,558 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:17:59,558 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 7, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:17:59,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-25 18:17:59,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-11-25 18:17:59,783 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ldv_linux_block_genhd_del_gendiskErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:17:59,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:17:59,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1503896207, now seen corresponding path program 1 times [2021-11-25 18:17:59,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:17:59,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467065082] [2021-11-25 18:17:59,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:17:59,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:17:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:18:00,148 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2021-11-25 18:18:00,148 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:18:00,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467065082] [2021-11-25 18:18:00,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467065082] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:18:00,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500861026] [2021-11-25 18:18:00,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:18:00,149 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:18:00,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:18:00,150 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:18:00,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-25 18:18:01,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:18:01,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 2493 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-25 18:18:01,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:18:01,569 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2021-11-25 18:18:01,570 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:18:01,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1500861026] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:18:01,570 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 18:18:01,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 8 [2021-11-25 18:18:01,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928086436] [2021-11-25 18:18:01,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:18:01,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-25 18:18:01,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:18:01,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-25 18:18:01,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-25 18:18:01,571 INFO L87 Difference]: Start difference. First operand 2909 states and 3852 transitions. Second operand has 8 states, 7 states have (on average 14.857142857142858) internal successors, (104), 6 states have internal predecessors, (104), 3 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (38), 5 states have call predecessors, (38), 3 states have call successors, (38) [2021-11-25 18:18:05,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:18:05,149 INFO L93 Difference]: Finished difference Result 6336 states and 8529 transitions. [2021-11-25 18:18:05,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 18:18:05,149 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 14.857142857142858) internal successors, (104), 6 states have internal predecessors, (104), 3 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (38), 5 states have call predecessors, (38), 3 states have call successors, (38) Word has length 279 [2021-11-25 18:18:05,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:18:05,166 INFO L225 Difference]: With dead ends: 6336 [2021-11-25 18:18:05,167 INFO L226 Difference]: Without dead ends: 3447 [2021-11-25 18:18:05,177 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-25 18:18:05,178 INFO L933 BasicCegarLoop]: 889 mSDtfsCounter, 66 mSDsluCounter, 6171 mSDsCounter, 0 mSdLazyCounter, 1166 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 6110 SdHoareTripleChecker+Invalid, 1166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:18:05,178 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 6110 Invalid, 1166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1166 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-25 18:18:05,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3447 states. [2021-11-25 18:18:05,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3447 to 2917. [2021-11-25 18:18:05,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2917 states, 1701 states have (on average 1.1940035273368608) internal successors, (2031), 1786 states have internal predecessors, (2031), 868 states have call successors, (868), 324 states have call predecessors, (868), 338 states have return successors, (961), 872 states have call predecessors, (961), 865 states have call successors, (961) [2021-11-25 18:18:05,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 2917 states and 3860 transitions. [2021-11-25 18:18:05,537 INFO L78 Accepts]: Start accepts. Automaton has 2917 states and 3860 transitions. Word has length 279 [2021-11-25 18:18:05,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:18:05,537 INFO L470 AbstractCegarLoop]: Abstraction has 2917 states and 3860 transitions. [2021-11-25 18:18:05,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 14.857142857142858) internal successors, (104), 6 states have internal predecessors, (104), 3 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (38), 5 states have call predecessors, (38), 3 states have call successors, (38) [2021-11-25 18:18:05,538 INFO L276 IsEmpty]: Start isEmpty. Operand 2917 states and 3860 transitions. [2021-11-25 18:18:05,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-11-25 18:18:05,541 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:18:05,542 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:18:05,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-25 18:18:05,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:18:05,767 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:18:05,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:18:05,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1273672181, now seen corresponding path program 1 times [2021-11-25 18:18:05,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:18:05,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528366730] [2021-11-25 18:18:05,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:18:05,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:18:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:18:06,260 INFO L134 CoverageAnalysis]: Checked inductivity of 939 backedges. 4 proven. 72 refuted. 0 times theorem prover too weak. 863 trivial. 0 not checked. [2021-11-25 18:18:06,260 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:18:06,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528366730] [2021-11-25 18:18:06,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528366730] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:18:06,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783056941] [2021-11-25 18:18:06,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:18:06,261 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:18:06,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:18:06,263 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:18:06,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-25 18:18:07,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:18:07,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 2170 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 18:18:07,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:18:07,781 INFO L134 CoverageAnalysis]: Checked inductivity of 939 backedges. 282 proven. 2 refuted. 0 times theorem prover too weak. 655 trivial. 0 not checked. [2021-11-25 18:18:07,781 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:18:08,747 INFO L134 CoverageAnalysis]: Checked inductivity of 939 backedges. 4 proven. 66 refuted. 0 times theorem prover too weak. 869 trivial. 0 not checked. [2021-11-25 18:18:08,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1783056941] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:18:08,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1374847237] [2021-11-25 18:18:08,772 INFO L159 IcfgInterpreter]: Started Sifa with 118 locations of interest [2021-11-25 18:18:08,773 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:18:08,778 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:18:08,783 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:18:08,784 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:18:10,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 18:18:10,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 18:18:13,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:14,488 INFO L354 Elim1Store]: treesize reduction 352, result has 45.6 percent of original size [2021-11-25 18:18:14,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 35 select indices, 35 select index equivalence classes, 597 disjoint index pairs (out of 595 index pairs), introduced 35 new quantified variables, introduced 34 case distinctions, treesize of input 182 treesize of output 410 [2021-11-25 18:18:15,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:18:15,040 INFO L244 Elim1Store]: Index analysis took 105 ms [2021-11-25 18:18:16,502 INFO L354 Elim1Store]: treesize reduction 612, result has 33.4 percent of original size [2021-11-25 18:18:16,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 37 select indices, 37 select index equivalence classes, 632 disjoint index pairs (out of 666 index pairs), introduced 37 new quantified variables, introduced 68 case distinctions, treesize of input 192 treesize of output 433 [2021-11-25 18:18:16,653 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 31 [2021-11-25 18:18:16,666 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 31 [2021-11-25 18:18:19,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 18:18:19,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 18:18:22,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 18:18:22,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 18:18:22,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 18:18:23,120 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 31 [2021-11-25 18:18:23,983 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_undef_int with input of size 252 for LOIs [2021-11-25 18:18:24,080 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_xmalloc with input of size 261 for LOIs [2021-11-25 18:18:24,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 18:18:24,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 18:18:24,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 18:18:24,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 18:18:25,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 18:18:25,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 18:18:25,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 18:18:25,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 18:18:26,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 18:18:26,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 18:18:26,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 18:18:26,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 18:18:27,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 18:18:27,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 18:18:27,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 18:18:27,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 18:18:27,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 18:18:27,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 18:18:27,910 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_assume with input of size 274 for LOIs [2021-11-25 18:18:28,132 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_is_err with input of size 272 for LOIs [2021-11-25 18:18:28,193 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:18:35,488 WARN L227 SmtUtils]: Spent 7.05s on a formula simplification that was a NOOP. DAG size: 1023 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 18:18:49,529 WARN L227 SmtUtils]: Spent 6.64s on a formula simplification that was a NOOP. DAG size: 1028 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 18:19:26,388 WARN L227 SmtUtils]: Spent 5.01s on a formula simplification. DAG size of input: 394 DAG size of output: 354 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 18:20:04,950 WARN L227 SmtUtils]: Spent 10.37s on a formula simplification. DAG size of input: 460 DAG size of output: 382 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 18:20:12,518 WARN L227 SmtUtils]: Spent 6.85s on a formula simplification. DAG size of input: 486 DAG size of output: 421 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 18:20:12,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1374847237] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:12,543 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-25 18:20:12,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [9, 9, 8] total 41 [2021-11-25 18:20:12,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566341715] [2021-11-25 18:20:12,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:12,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-11-25 18:20:12,545 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:12,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-25 18:20:12,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=1433, Unknown=0, NotChecked=0, Total=1640 [2021-11-25 18:20:12,547 INFO L87 Difference]: Start difference. First operand 2917 states and 3860 transitions. Second operand has 28 states, 17 states have (on average 3.9411764705882355) internal successors, (67), 16 states have internal predecessors, (67), 8 states have call successors, (39), 5 states have call predecessors, (39), 5 states have return successors, (39), 8 states have call predecessors, (39), 8 states have call successors, (39) [2021-11-25 18:20:33,934 WARN L227 SmtUtils]: Spent 21.01s on a formula simplification. DAG size of input: 1180 DAG size of output: 1051 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 18:20:58,262 WARN L227 SmtUtils]: Spent 24.00s on a formula simplification. DAG size of input: 1182 DAG size of output: 1053 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 18:21:41,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:21:41,863 INFO L93 Difference]: Finished difference Result 6283 states and 8326 transitions. [2021-11-25 18:21:41,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-25 18:21:41,863 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 17 states have (on average 3.9411764705882355) internal successors, (67), 16 states have internal predecessors, (67), 8 states have call successors, (39), 5 states have call predecessors, (39), 5 states have return successors, (39), 8 states have call predecessors, (39), 8 states have call successors, (39) Word has length 267 [2021-11-25 18:21:41,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:21:41,873 INFO L225 Difference]: With dead ends: 6283 [2021-11-25 18:21:41,873 INFO L226 Difference]: Without dead ends: 3380 [2021-11-25 18:21:41,887 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 812 GetRequests, 766 SyntacticMatches, 3 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 521 ImplicationChecksByTransitivity, 152.9s TimeCoverageRelationStatistics Valid=241, Invalid=1739, Unknown=0, NotChecked=0, Total=1980 [2021-11-25 18:21:41,888 INFO L933 BasicCegarLoop]: 882 mSDtfsCounter, 608 mSDsluCounter, 8629 mSDsCounter, 0 mSdLazyCounter, 6580 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 660 SdHoareTripleChecker+Valid, 7985 SdHoareTripleChecker+Invalid, 6713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 6580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:21:41,889 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [660 Valid, 7985 Invalid, 6713 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [133 Valid, 6580 Invalid, 0 Unknown, 0 Unchecked, 40.1s Time] [2021-11-25 18:21:41,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3380 states. [2021-11-25 18:21:42,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3380 to 3368. [2021-11-25 18:21:42,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3368 states, 1962 states have (on average 1.1926605504587156) internal successors, (2340), 2064 states have internal predecessors, (2340), 1009 states have call successors, (1009), 372 states have call predecessors, (1009), 387 states have return successors, (1123), 1010 states have call predecessors, (1123), 1006 states have call successors, (1123) [2021-11-25 18:21:42,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3368 states to 3368 states and 4472 transitions. [2021-11-25 18:21:42,657 INFO L78 Accepts]: Start accepts. Automaton has 3368 states and 4472 transitions. Word has length 267 [2021-11-25 18:21:42,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:21:42,657 INFO L470 AbstractCegarLoop]: Abstraction has 3368 states and 4472 transitions. [2021-11-25 18:21:42,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 17 states have (on average 3.9411764705882355) internal successors, (67), 16 states have internal predecessors, (67), 8 states have call successors, (39), 5 states have call predecessors, (39), 5 states have return successors, (39), 8 states have call predecessors, (39), 8 states have call successors, (39) [2021-11-25 18:21:42,658 INFO L276 IsEmpty]: Start isEmpty. Operand 3368 states and 4472 transitions. [2021-11-25 18:21:42,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-11-25 18:21:42,661 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:21:42,662 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:21:42,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-25 18:21:42,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2021-11-25 18:21:42,887 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_block_queue_blk_cleanup_queueErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-25 18:21:42,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:21:42,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1024708158, now seen corresponding path program 1 times [2021-11-25 18:21:42,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:21:42,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582724314] [2021-11-25 18:21:42,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:21:42,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:21:43,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:21:43,667 INFO L134 CoverageAnalysis]: Checked inductivity of 945 backedges. 54 proven. 3 refuted. 0 times theorem prover too weak. 888 trivial. 0 not checked. [2021-11-25 18:21:43,667 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:21:43,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582724314] [2021-11-25 18:21:43,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582724314] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:21:43,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489635423] [2021-11-25 18:21:43,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:21:43,668 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:21:43,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:21:43,669 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:21:43,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4267b1e9-c144-42c6-a279-663a0bfea945/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-25 18:21:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:21:44,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 2187 conjuncts, 70 conjunts are in the unsatisfiable core [2021-11-25 18:21:44,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:21:45,742 INFO L134 CoverageAnalysis]: Checked inductivity of 945 backedges. 61 proven. 2 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2021-11-25 18:21:45,742 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:21:47,174 INFO L134 CoverageAnalysis]: Checked inductivity of 945 backedges. 54 proven. 3 refuted. 0 times theorem prover too weak. 888 trivial. 0 not checked. [2021-11-25 18:21:47,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [489635423] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:21:47,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [820562382] [2021-11-25 18:21:47,180 INFO L159 IcfgInterpreter]: Started Sifa with 119 locations of interest [2021-11-25 18:21:47,181 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:21:47,181 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:21:47,182 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:21:47,182 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:21:48,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 18:21:48,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 18:21:50,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:52,230 INFO L354 Elim1Store]: treesize reduction 612, result has 33.4 percent of original size [2021-11-25 18:21:52,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 37 select indices, 37 select index equivalence classes, 632 disjoint index pairs (out of 666 index pairs), introduced 37 new quantified variables, introduced 68 case distinctions, treesize of input 192 treesize of output 433 [2021-11-25 18:21:52,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:52,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 35 select indices, 35 select index equivalence classes, 631 disjoint index pairs (out of 595 index pairs), introduced 35 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 286 [2021-11-25 18:22:05,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 18:22:05,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 18:22:06,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:06,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 36 select indices, 36 select index equivalence classes, 631 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 109 [2021-11-25 18:22:06,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:06,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 37 select indices, 37 select index equivalence classes, 666 disjoint index pairs (out of 666 index pairs), introduced 37 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 112 [2021-11-25 18:22:08,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:08,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 37 select indices, 37 select index equivalence classes, 666 disjoint index pairs (out of 666 index pairs), introduced 37 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 112 [2021-11-25 18:22:09,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:09,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 36 select indices, 36 select index equivalence classes, 631 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 109 [2021-11-25 18:22:14,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:14,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,026 INFO L244 Elim1Store]: Index analysis took 503 ms [2021-11-25 18:22:15,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,034 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:15,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,044 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:15,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,046 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:15,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,048 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:15,049 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:15,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:15,053 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:15,054 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:15,056 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:17,074 INFO L354 Elim1Store]: treesize reduction 96, result has 48.1 percent of original size [2021-11-25 18:22:17,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 67 select indices, 67 select index equivalence classes, 442 disjoint index pairs (out of 2211 index pairs), introduced 67 new quantified variables, introduced 8 case distinctions, treesize of input 5057 treesize of output 4900 [2021-11-25 18:22:17,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:17,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,235 INFO L244 Elim1Store]: Index analysis took 485 ms [2021-11-25 18:22:18,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,240 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:18,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,261 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:18,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,306 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:18,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,317 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:18,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:18,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,027 INFO L354 Elim1Store]: treesize reduction 144, result has 41.0 percent of original size [2021-11-25 18:22:19,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 86 select indices, 86 select index equivalence classes, 390 disjoint index pairs (out of 3655 index pairs), introduced 86 new quantified variables, introduced 9 case distinctions, treesize of input 4997 treesize of output 4814 [2021-11-25 18:22:19,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:19,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,513 INFO L244 Elim1Store]: Index analysis took 735 ms [2021-11-25 18:22:20,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:20,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,544 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:20,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,552 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:20,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,558 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:20,559 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:20,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:20,568 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:20,569 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:20,571 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:22:21,028 INFO L354 Elim1Store]: treesize reduction 124, result has 33.0 percent of original size [2021-11-25 18:22:21,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 67 select indices, 67 select index equivalence classes, 442 disjoint index pairs (out of 2211 index pairs), introduced 67 new quantified variables, introduced 8 case distinctions, treesize of input 4921 treesize of output 4736 [2021-11-25 18:23:59,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 18:24:02,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2021-11-25 18:24:03,442 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:25:15,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2021-11-25 18:25:16,457 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:25:17,057 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 18